mirror of
https://https.git.savannah.gnu.org/git/bash.git
synced 2026-06-26 07:13:10 +02:00
initial fork from devel branch
This commit is contained in:
Chet Ramey
-553
@@ -1,553 +0,0 @@
|
||||
This document details the changes between this version, bash-4.3-alpha,
|
||||
and the previous version, bash-4.2-release.
|
||||
|
||||
1. Changes to Bash
|
||||
|
||||
a. Fixed several bugs concerning incomplete bracket expressions in filename
|
||||
generation (globbing) patterns.
|
||||
|
||||
b. Fixed a bug with single quotes and WORD in ${param op WORD} when running
|
||||
in Posix mode.
|
||||
|
||||
c. Fixed a bug that caused the pattern removal and pattern substitution word
|
||||
expansions and case statement word expansion to not match the empty string.
|
||||
|
||||
d. Fixed a bug that caused the tzset() function to not work after changing
|
||||
the TZ enviroment variable.
|
||||
|
||||
e. Fixed a bug that caused the RHS of an assignment statement to undergo
|
||||
word splitting when it contained an unquoted $@.
|
||||
|
||||
f. Fixed bugs that caused the shell to not react to a SIGINT sent while
|
||||
waiting for a child process to exit.
|
||||
|
||||
g. Bash doesn't try to run things in a signal handler context when it gets a
|
||||
signal (SIGINT/SIGHUP/etc) while reading input using readline but still
|
||||
be responsive to terminating signals.
|
||||
|
||||
h. Fixed a bug that caused bash to go into an infinite loop if a filename
|
||||
to be matched contained an invalid multibyte character.
|
||||
|
||||
i. Fixed a bug that caused PS4 to end up being truncated if it is longer
|
||||
than 128 bytes.
|
||||
|
||||
j. Fixed a bug that caused brace expansion to not skip over double-quoted
|
||||
command substitution.
|
||||
|
||||
k. System-specific updates for: DJGPP, HP/UX, Mac OS X
|
||||
|
||||
l. Fixed a bug in displaying commands that caused redirections to be associated
|
||||
with the wrong part of the command.
|
||||
|
||||
m. Fixed the coproc cleanup to unset the appropriate shell variables when a
|
||||
coproc terminates.
|
||||
|
||||
n. Fixed a bug that caused `fc' to dump core due to incorrect calculation of
|
||||
the last history entry.
|
||||
|
||||
o. Added workarounds for FreeBSD's implementation of faccessat/eaccess and
|
||||
`test -x'.
|
||||
|
||||
p. Fixed a bug that caused the shell to not match patterns containing
|
||||
control-A.
|
||||
|
||||
q. Fixed a bug that could result in doubled error messages when the `printf'
|
||||
builtin got a write error.
|
||||
|
||||
r. Fixed a bug that caused the shell to not correctly expand words containing
|
||||
multiple consecutive quoted empty strings (""""""aa).
|
||||
|
||||
s. Fixed a bug that caused the shell to not correctly parse multi-line
|
||||
process substitutions containing comments and quoted strings.
|
||||
|
||||
t. Fixed a problem with the bash malloc's internal idea of the top of the
|
||||
memory heap that resulted in incorrect decisions to try to reduce the
|
||||
break and give memory back to the kernel.
|
||||
|
||||
u. There are changes to the expansions peformed on compound array assignments,
|
||||
in an effort to make foo=( [ind1]=bar [ind2]=baz ) identical to
|
||||
foo[ind1]=bar foo[ind2]=baz.
|
||||
|
||||
v. Bash now reports an error if `read -a name' is used when `name' is an
|
||||
existing associative array.
|
||||
|
||||
w. Fixed a bug that allowed an attempted assignment to a readonly variable
|
||||
in an arithmetic expression to not return failure.
|
||||
|
||||
x. Fixed several bugs that caused completion functions to be invoked even when
|
||||
the cursor was before the first word in the command.
|
||||
|
||||
y. Fixed a bug that caused parsing a command substitution to overwrite the
|
||||
parsing state associated with the complete input line.
|
||||
|
||||
z. Fixed several bugs with the built-in snprintf replacement and field widths
|
||||
and floating point.
|
||||
|
||||
aa. Fixed a bug that caused incorrect offset calculations and input buffer
|
||||
corruption when reading files longer than 2^31 bytes.
|
||||
|
||||
bb. Fixed several bugs where bash performed arithmetic evaluation in contexts
|
||||
where evaluation is suppressed.
|
||||
|
||||
cc. Fixed a bug that caused bash to close FIFOs used for process substitution
|
||||
too early when a shell function was executing, but protect against using
|
||||
all file descriptors when the shell functions are invoked inside loops.
|
||||
|
||||
dd. Added checks for printable (and non-printable) multibyte characters for
|
||||
use in error messages.
|
||||
|
||||
ee. Fixed a bug that caused ^O (operate-and-get-next) to not work correctly
|
||||
at the end of the history list.
|
||||
|
||||
ff. Fixed a bug that caused command-oriented history to incorrectly combine
|
||||
here documents into one line.
|
||||
|
||||
gg. Fixed a bug that caused importing SHELLOPTS from the environment into a
|
||||
Posix-mode shell to print an error message and refuse to parse it.
|
||||
|
||||
hh. Fixed a bug that caused the shell to delete an extra history entry when
|
||||
using `history -s'.
|
||||
|
||||
ii. Fixed a bug that caused floating-point exceptions and overflow errors
|
||||
for the / and % arithmetic operators when using INTMAX_MIN and -1.
|
||||
|
||||
jj. Fixed a bug that caused parsing errors when reading an arithmetic for
|
||||
loop inside a command substitution.
|
||||
|
||||
kk. Fixed a bug that caused a readonly function to be unset when unset was
|
||||
called without the -f or -v option.
|
||||
|
||||
ll. Fixed several bugs in the code that quotes characters special to regular
|
||||
expressions when used in a quoted string on the RHS of the =~ operator
|
||||
to the [[ command.
|
||||
|
||||
mm. Fixed a bug that caused redirections to fail because the file descriptor
|
||||
limit was set to a value less than 10.
|
||||
|
||||
nn. Fixed a bug that caused the `read' builtin to execute code in a signal
|
||||
handler context if read timed out.
|
||||
|
||||
oo. Fixed a bug that caused extended globbing patterns to not match files
|
||||
beginning with `.' correctly when a `.' was explicitly supplied in the
|
||||
pattern.
|
||||
|
||||
pp. Fixed a bug that caused key sequences longer than two characters to not
|
||||
work when used with `bind -x'.
|
||||
|
||||
qq. Fixed a bug that resulted in redefined functions having the wrong source
|
||||
file names in BASH_SOURCE.
|
||||
|
||||
rr. Fixed a bug that caused the read builtin to assign null strings to variables
|
||||
when using `read -N', which caused core dumps when referenced
|
||||
|
||||
ss. Fixed a bug that caused `bash -m script' to not enable job control while
|
||||
running the script.
|
||||
|
||||
tt. Fixed a bug that caused `printf -v var' to dump core when used with the
|
||||
%b format code.
|
||||
|
||||
uu. Fixed a bug that caused the shell to exit with the wrong status if -e was
|
||||
active and the shell exited on a substitution error.
|
||||
|
||||
vv. Fixed a bug that caused the shell to seg fault if an array variable with
|
||||
the same name as an existing associative array was implicitly created by
|
||||
an assignment (declare a[n]=b).
|
||||
|
||||
ww. Fixed a bug that caused a redirection to misbehave if the number specified
|
||||
for a file descriptor overflows an intmax_t.
|
||||
|
||||
xx. Fixed several bugs with the handling of valid and invalid unicode character
|
||||
values when used with the \u and \U escape sequences to printf and $'...'.
|
||||
|
||||
yy. Fixed a bug that caused tildes to not be escaped in expanded filenames,
|
||||
making them subject to later expansion.
|
||||
|
||||
zz. When using the pattern substitution word expansion, bash now runs the
|
||||
replacement string through quote removal, since it allows quotes in that
|
||||
string to act as escape characters. This is not backwards compatible, so
|
||||
it can be disabled by setting the bash compatibility mode to 4.2.
|
||||
|
||||
aaa. Fixed the rest of the cases where the shell runs non-allowed code in a
|
||||
signal handler context.
|
||||
|
||||
bbb. Fixed a bug that caused spurious DEL characters (\177) to appear in
|
||||
double-quoted expansion where the RHS is evaluated to the empty string.
|
||||
|
||||
ccc. Fixed a bug that caused the use of the shell's internal random number
|
||||
generator for temporary file names to perturb the random number
|
||||
sequence.
|
||||
|
||||
ddd. Fixed several bugs that caused `declare -g' to not set the right global
|
||||
variables or to misbehave when declaring global indexed arrays.
|
||||
|
||||
eee. Fixed a logic bug that caused extended globbing in a multibyte locale to
|
||||
cause failures when using the pattern substititution word expansions.
|
||||
|
||||
fff. Fixed a bug that caused the `lastpipe' option to corrupt the file
|
||||
descriptor used to read the script.
|
||||
|
||||
ggg. Fixed a bug that causes the shell to delete DEL characters in the
|
||||
expanded value of variables used in the same quoted string as variables
|
||||
that expand to nothing.
|
||||
|
||||
hhh. Fixed a bug that caused the shell to assign the wrong value from an
|
||||
assignment like (( x=7 )) when `x' was an existing array variable.
|
||||
|
||||
iii. Fixed a bug that caused the shell to misbehave when generating sequences
|
||||
and the boundary values overflow an intmax_t.
|
||||
|
||||
jjj. Fixed a bug caused expansion errors if an expansion of "$@" appeared
|
||||
next to another expansion (e.g.. "${@}${x}").
|
||||
|
||||
kkk. Fixed a potential buffer overflow bug when performing /dev/fd expansion.
|
||||
|
||||
lll. Fixed a bug that resulted in an extra semicolon being added to compound
|
||||
assignments when they were added to the history list.
|
||||
|
||||
mmm. Fixed a bug that caused mapfile to read one extra line from the input.
|
||||
|
||||
nnn. Fixed a bug that caused the mail checking code to use uninitialized
|
||||
values.
|
||||
|
||||
ooo. Fixed a bug that prevented history timestamps from being saved if the
|
||||
history comment character is unset.
|
||||
|
||||
ppp. Fixed a bug that caused the case-modifying expansions to not work with
|
||||
multibyte characters.
|
||||
|
||||
qqq. Fixed a bug that caused the edit-and-execute bindable readline command
|
||||
to see the wrong data if invoked in the middle of a multi-line quoted
|
||||
string.
|
||||
|
||||
rrr. Fixed a bug that resulted in the shell returning the wrong exit status
|
||||
for a background command on systems that recycle PIDs very quickly.
|
||||
|
||||
sss. Fixed a bug that caused asynchronous group commands to not run any EXIT
|
||||
trap defined in the body of the command.
|
||||
|
||||
ttt. Fixed a bug that caused `eval "... ; return"' to not clean up properly.
|
||||
|
||||
uuu. Fixed a bug that caused the shell to dump core if `read' reads an escaped
|
||||
IFS whitespace character.
|
||||
|
||||
vvv. Fixed a bug that caused BASH_COMMAND to be set to an incorrect value when
|
||||
executing a (...) subshell.
|
||||
|
||||
www. Fixed a couple of pointer aliasing bugs with the token string in arithmetic
|
||||
evaluation.
|
||||
|
||||
xxx. Fixed a bug with parsing multi-line command substitutions when reading
|
||||
the `do' keyword followed by whitespace.
|
||||
|
||||
yyy. Fixed a bug that caused the shell to seg fault if the time given to the
|
||||
printf %(...)T format overflowed the value accepted by localtime(3).
|
||||
|
||||
zzz. Fixed a problem with displaying help topics in two columns when the
|
||||
translated text contained multibyte characters.
|
||||
|
||||
aaaa. Fixed a bug with the extended globbing pattern matcher where a `*' was
|
||||
followed by a negated extended glob pattern.
|
||||
|
||||
bbbb. Fixed a race condition with short-lived coproc creation and reaping that
|
||||
caused the child process to be reaped before the various coproc shell
|
||||
variables were initialized.
|
||||
|
||||
cccc. Fixed a bug where turning off `errexit' in command substitution subshells
|
||||
was not reflected in $SHELLOPTS.
|
||||
|
||||
dddd. Partially fixed an inconsistency in how the shell treated shell
|
||||
functions run from an EXIT trap.
|
||||
|
||||
eeee. Fixed a bug in how the shell invalidated FIFOs used for process
|
||||
substitution when executing a pipeline (once rather than in every child).
|
||||
|
||||
ffff. Fixed a bug that occurred when expanding a special variable ($@, $*)
|
||||
within double quotes and the expansion resulted in an empty string.
|
||||
|
||||
gggg. Fixed bugs with executing a SIGCHLD trap handler to make sure that it's
|
||||
executed once per exited child.
|
||||
|
||||
hhhh. Fixed a bug that caused `declare' and `test' to find variables that
|
||||
had been given attributes but not assigned values. Such variables are
|
||||
not set.
|
||||
|
||||
iiii. Fixed a bug that caused commands in process substitutions to not look in
|
||||
the local temporary environment when performing word expansions.
|
||||
|
||||
jjjj. Fixed several problems with globstar expansions (**/**) returning null
|
||||
filenames and multiple instances of the same pathname.
|
||||
|
||||
kkkk. Fixed an oversight that did not allow the exit status of `coproc' to
|
||||
be inverted using `!'.
|
||||
|
||||
llll. Fixed a bug that caused the -e option to be re-enabled using `set -e'
|
||||
even when executing in a context where -e is ignored.
|
||||
|
||||
mmmm. Fixed a (mostly theoretical) bug with input lines longer than SIZE_MAX.
|
||||
|
||||
nnnn. Fixed a bug that could result in double evaluation of command
|
||||
substitutions when they appear in failed redirections.
|
||||
|
||||
oooo. Fixed a bug that could cause seg faults during `mapfile' callbacks if
|
||||
the callback unsets the array variable mapfile is using.
|
||||
|
||||
pppp. Fixed several problems with variable assignments using ${var:=value}
|
||||
when the variable assignment is supposed to have side effects.
|
||||
|
||||
qqqq. Fixed a bug that caused a failure of an assignment statement preceding a
|
||||
builtin caused the next invocation of a special builtin to exit the shell.
|
||||
|
||||
rrrr. Fixed several problems with IFS when it appears in the temporary environment
|
||||
and is used in redirections.
|
||||
|
||||
ssss. Fixed a problem that caused IFS changes using ${IFS:=value} to modify
|
||||
how preceding expansions were split.
|
||||
|
||||
tttt. Fixed a problem that caused subshells to not run an EXIT trap they set.
|
||||
|
||||
uuuu. Fixed a problem that caused shells started in posix mode to attempt to
|
||||
import shell functions with invalid names from the environment. We now
|
||||
print a warning.
|
||||
|
||||
vvvv. Worked around a kernel problem that caused SIGCHLD to interrupt open(2)
|
||||
on a FIFO used for process substitution, even if the SIGCHLD handler was
|
||||
installed with the SA_RESTART flag.
|
||||
|
||||
wwww. Fixed a problem that resulted in inconsistent expansion of $* and ${a[*]}.
|
||||
|
||||
xxxx. Fixed a problem that caused `read -t' to crash when interrupted by
|
||||
SIGINT.
|
||||
|
||||
yyyy. Fixed a problem that caused pattern removal to fail randomly because the
|
||||
pattern matcher read beyond the end of a string.
|
||||
|
||||
zzzz. Fixed a bug that caused core dumps when shell functions tried to create
|
||||
local shadow copies of special variables like GROUPS.
|
||||
|
||||
aaaaa. Fixed a bug that caused SIGTERM to be occasionally lost by children of
|
||||
interactive shells when it arrived before the child process reset the
|
||||
handler from SIG_DFL.
|
||||
|
||||
bbbbb. Fixed a bug that caused redirections like <&n- to leave file descriptor
|
||||
n closed if executed with a builtin command.
|
||||
|
||||
2. Changes to Readline
|
||||
|
||||
a. Fixed a bug that did not allow the `dd', `cc', or `yy' vi editing mode
|
||||
commands to work on the entire line.
|
||||
|
||||
b. Fixed a bug that caused redisplay problems with prompts longer than 128
|
||||
characters and history searches.
|
||||
|
||||
c. Fixed a bug that caused readline to try and run code to modify its idea
|
||||
of the screen size in a signal handler context upon receiving a SIGWINCH.
|
||||
|
||||
d. Fixed a bug that caused the `meta' key to be enabled beyond the duration
|
||||
of an individual call top readline().
|
||||
|
||||
e. Added a workaround for a wcwidth bug in Mac OS X that caused readline's
|
||||
redisplay to mishandle zero-width combining characters.
|
||||
|
||||
f. Fixed a bug that caused readline to `forget' part of a key sequence when
|
||||
a multiple-key sequence caused it to break out of an incremental search.
|
||||
|
||||
g. Fixed bugs that caused readline to execute code in a signal handler
|
||||
context if interrupted while reading from the file system during completion.
|
||||
|
||||
h. Fixed a bug that caused readline to `forget' part of a key sequence when
|
||||
reading an unbound multi-character key sequence.
|
||||
|
||||
i. Fixed a bug that caused Readline's signal handlers to be installed beyond
|
||||
the bounds of a single call to readline().
|
||||
|
||||
j. Fixed a bug that caused the `.' command to not redo the most recent `R'
|
||||
command in vi mode.
|
||||
|
||||
k. Fixed a bug that caused ignoring case in completion matches to result in
|
||||
readline using the wrong match.
|
||||
|
||||
l. Paren matching now works in vi insert mode.
|
||||
|
||||
m. Fix menu-completion to make show-all-if-ambiguous and menu-complete-display-prefix
|
||||
work together.
|
||||
|
||||
n. Fixed a bug that didn't allow the `cc', `dd', or `yy' commands to be redone
|
||||
in vi editing mode.
|
||||
|
||||
o. Fixed a bug that caused the filename comparison code to not compare
|
||||
multibyte characters correctly when using case-sensitive or case-mapping
|
||||
comparisons.
|
||||
|
||||
p. Fixed the input reading loop to call the input hook function only when there
|
||||
is no terminal input available.
|
||||
|
||||
q. Fixed a bug that caused binding a macro to a multi-character key sequence
|
||||
where the sequence and macro value share a common prefix to not perform
|
||||
the macro replacement.
|
||||
|
||||
r. Fixed several redisplay errors with multibyte characters and prompts
|
||||
containing invisible characters when using horizontal scrolling.
|
||||
|
||||
s. Fixed a bug that caused redisplay errors when trying to overwrite
|
||||
existing characters using multibyte characters.
|
||||
|
||||
3. New Features in Bash
|
||||
|
||||
a. The `helptopic' completion action now maps to all the help topics, not just
|
||||
the shell builtins.
|
||||
|
||||
b. The `help' builtin no longer does prefix substring matching, so `help read'
|
||||
does not match `readonly'.
|
||||
|
||||
c. The shell can be compiled to not display a message about processes that
|
||||
terminate due to SIGTERM.
|
||||
|
||||
d. Non-interactive shells now react to the setting of checkwinsize and set
|
||||
LINES and COLUMNS after a foreground job exits.
|
||||
|
||||
e. There is a new shell option, `globasciiranges', which, when set to on,
|
||||
forces globbing range comparisons to use character ordering as if they
|
||||
were run in the C locale.
|
||||
|
||||
f. There is a new shell option, `direxpand', which makes filename completion
|
||||
expand variables in directory names in the way bash-4.1 did.
|
||||
|
||||
g. In Posix mode, the `command' builtin does not change whether or not a
|
||||
builtin it shadows is treated as an assignment builtin.
|
||||
|
||||
h. The `return' and `exit' builtins accept negative exit status arguments.
|
||||
|
||||
i. The word completion code checks whether or not a filename containing a
|
||||
shell variable expands to a directory name and appends `/' to the word
|
||||
as appropriate. The same code expands shell variables in command names
|
||||
when performing command completion.
|
||||
|
||||
j. In Posix mode, it is now an error to attempt to define a shell function
|
||||
with the same name as a Posix special builtin.
|
||||
|
||||
k. When compiled for strict Posix conformance, history expansion is disabled
|
||||
by default.
|
||||
|
||||
l. The history expansion character (!) does not cause history expansion when
|
||||
followed by the closing quote in a double-quoted string.
|
||||
|
||||
m. `complete' and its siblings compgen/compopt now takes a new `-o noquote'
|
||||
option to inhibit quoting of the completions.
|
||||
|
||||
n. Setting HISTSIZE to a value less than zero causes the history list to be
|
||||
unlimited (setting it 0 zero disables the history list).
|
||||
|
||||
o. Setting HISTFILESIZE to a value less than zero causes the history file size
|
||||
to be unlimited (setting it to 0 causes the history file to be truncated
|
||||
to zero size).
|
||||
|
||||
p. The `read' builtin now skips NUL bytes in the input.
|
||||
|
||||
q. There is a new `bind -X' option to print all key sequences bound to Unix
|
||||
commands.
|
||||
|
||||
r. When in Posix mode, `read' is interruptible by a trapped signal. After
|
||||
running the trap handler, read returns 128+signal and throws away any
|
||||
partially-read input.
|
||||
|
||||
s. The command completion code skips whitespace and assignment statements
|
||||
before looking for the command name word to be completed.
|
||||
|
||||
t. The build process has a new mechanism for constructing separate help files
|
||||
that better reflects the current set of compilation options.
|
||||
|
||||
u. The -nt and -ot options to test now work with files with nanosecond
|
||||
timestamp resolution.
|
||||
|
||||
v. The shell saves the command history in any shell for which history is
|
||||
enabled and HISTFILE is set, not just interactive shells.
|
||||
|
||||
w. The shell has `nameref' variables and new -n(/+n) options to declare and
|
||||
unset to use them, and a `test -R' option to test for them.
|
||||
|
||||
x. The shell now allows assigning, referencing, and unsetting elements of
|
||||
indexed arrays using negative subscripts (a[-1]=2, echo ${a[-1]}) which
|
||||
count back from the last element of the array.
|
||||
|
||||
y. The {x}<word redirection feature now allows words like {array[ind]} and
|
||||
can use variables with special meanings to the shell (e.g., BASH_XTRACEFD).
|
||||
|
||||
z. There is a new CHILD_MAX special shell variable; its value controls the
|
||||
number of exited child statues the shell remembers.
|
||||
|
||||
aa. There is a new configuration option (--enable-direxpand-default) that
|
||||
causes the `direxpand' shell option to be enabled by default.
|
||||
|
||||
bb. Bash does not do anything special to ensure that the file descriptor
|
||||
assigned to X in {x}<foo remains open after the block containing it
|
||||
completes.
|
||||
|
||||
cc. The `wait' builtin has a new `-n' option to wait for the next child to
|
||||
change status.
|
||||
|
||||
dd. The `printf' %(...)T format specifier now uses the current time if no
|
||||
argument is supplied.
|
||||
|
||||
ee. There is a new variable, BASH_COMPAT, that controls the current shell
|
||||
compatibility level.
|
||||
|
||||
ff. The `popd' builtin now treats additional arguments as errors.
|
||||
|
||||
gg. The brace expansion code now treats a failed sequence expansion as a
|
||||
simple string and will continue to expand brace terms in the remainder
|
||||
of the word.
|
||||
|
||||
4. New Features in Readline
|
||||
|
||||
a. Readline is now more responsive to SIGHUP and other fatal signals when
|
||||
reading input from the terminal or performing word completion but no
|
||||
longer attempts to run any not-allowable functions from a signal handler
|
||||
context.
|
||||
|
||||
b. There are new bindable commands to search the history for the string of
|
||||
characters between the beginning of the line and the point
|
||||
(history-substring-search-forward, history-substring-search-backward)
|
||||
|
||||
c. Readline allows quoted strings as the values of variables when setting
|
||||
them with `set'. As a side effect, trailing spaces and tabs are ignored
|
||||
when setting a string variable's value.
|
||||
|
||||
d. The history library creates a backup of the history file when writing it
|
||||
and restores the backup on a write error.
|
||||
|
||||
e. New application-settable variable: rl_filename_stat_hook: a function called
|
||||
with a filename before using it in a call to stat(2). Bash uses it to
|
||||
expand shell variables so things like $HOME/Downloads have a slash
|
||||
appended.
|
||||
|
||||
f. New bindable function `print-last-kbd-macro', prints the most-recently-
|
||||
defined keyboard macro in a reusable format.
|
||||
|
||||
g. New user-settable variable `colored-stats', enables use of colored text
|
||||
to denote file types when displaying possible completions (colored analog
|
||||
of visible-stats).
|
||||
|
||||
h. New user-settable variable `keyseq-timout', acts as an inter-character
|
||||
timeout when reading input or incremental search strings.
|
||||
|
||||
i. New application-callable function: rl_clear_history. Clears the history list
|
||||
and frees all readline-associated private data.
|
||||
|
||||
j. New user-settable variable, show-mode-in-prompt, adds a characters to the
|
||||
beginning of the prompt indicating the current editing mode.
|
||||
|
||||
k. New application-settable variable: rl_input_available_hook; function to be
|
||||
called when readline detects there is data available on its input file
|
||||
descriptor.
|
||||
|
||||
l. Readline calls an application-set event hook (rl_event_hook) after it gets
|
||||
a signal while reading input (read returns -1/EINTR but readline does not
|
||||
handle the signal immediately) to allow the application to handle or
|
||||
otherwise note it.
|
||||
|
||||
m. If the user-settable variable `history-size' is set to a value less than
|
||||
0, the history list size is unlimited.
|
||||
|
||||
n. New application-settable variable: rl_signal_event_hook; function that is
|
||||
called when readline is reading terminal input and read(2) is interrupted
|
||||
by a signal. Currently not called for SIGHUP or SIGTERM.
|
||||
@@ -1,347 +0,0 @@
|
||||
GNU GENERAL PUBLIC LICENSE
|
||||
Version 2, June 1991
|
||||
|
||||
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
|
||||
59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
|
||||
Everyone is permitted to copy and distribute verbatim copies
|
||||
of this license document, but changing it is not allowed.
|
||||
|
||||
The Free Software Foundation has exempted Bash from the requirement of
|
||||
Paragraph 2c of the General Public License. This is to say, there is
|
||||
no requirement for Bash to print a notice when it is started
|
||||
interactively in the usual way. We made this exception because users
|
||||
and standards expect shells not to print such messages. This
|
||||
exception applies to any program that serves as a shell and that is
|
||||
based primarily on Bash as opposed to other GNU software.
|
||||
|
||||
Preamble
|
||||
|
||||
The licenses for most software are designed to take away your
|
||||
freedom to share and change it. By contrast, the GNU General Public
|
||||
License is intended to guarantee your freedom to share and change free
|
||||
software--to make sure the software is free for all its users. This
|
||||
General Public License applies to most of the Free Software
|
||||
Foundation's software and to any other program whose authors commit to
|
||||
using it. (Some other Free Software Foundation software is covered by
|
||||
the GNU Library General Public License instead.) You can apply it to
|
||||
your programs, too.
|
||||
|
||||
When we speak of free software, we are referring to freedom, not
|
||||
price. Our General Public Licenses are designed to make sure that you
|
||||
have the freedom to distribute copies of free software (and charge for
|
||||
this service if you wish), that you receive source code or can get it
|
||||
if you want it, that you can change the software or use pieces of it
|
||||
in new free programs; and that you know you can do these things.
|
||||
|
||||
To protect your rights, we need to make restrictions that forbid
|
||||
anyone to deny you these rights or to ask you to surrender the rights.
|
||||
These restrictions translate to certain responsibilities for you if you
|
||||
distribute copies of the software, or if you modify it.
|
||||
|
||||
For example, if you distribute copies of such a program, whether
|
||||
gratis or for a fee, you must give the recipients all the rights that
|
||||
you have. You must make sure that they, too, receive or can get the
|
||||
source code. And you must show them these terms so they know their
|
||||
rights.
|
||||
|
||||
We protect your rights with two steps: (1) copyright the software, and
|
||||
(2) offer you this license which gives you legal permission to copy,
|
||||
distribute and/or modify the software.
|
||||
|
||||
Also, for each author's protection and ours, we want to make certain
|
||||
that everyone understands that there is no warranty for this free
|
||||
software. If the software is modified by someone else and passed on, we
|
||||
want its recipients to know that what they have is not the original, so
|
||||
that any problems introduced by others will not reflect on the original
|
||||
authors' reputations.
|
||||
|
||||
Finally, any free program is threatened constantly by software
|
||||
patents. We wish to avoid the danger that redistributors of a free
|
||||
program will individually obtain patent licenses, in effect making the
|
||||
program proprietary. To prevent this, we have made it clear that any
|
||||
patent must be licensed for everyone's free use or not licensed at all.
|
||||
|
||||
The precise terms and conditions for copying, distribution and
|
||||
modification follow.
|
||||
|
||||
GNU GENERAL PUBLIC LICENSE
|
||||
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
|
||||
|
||||
0. This License applies to any program or other work which contains
|
||||
a notice placed by the copyright holder saying it may be distributed
|
||||
under the terms of this General Public License. The "Program", below,
|
||||
refers to any such program or work, and a "work based on the Program"
|
||||
means either the Program or any derivative work under copyright law:
|
||||
that is to say, a work containing the Program or a portion of it,
|
||||
either verbatim or with modifications and/or translated into another
|
||||
language. (Hereinafter, translation is included without limitation in
|
||||
the term "modification".) Each licensee is addressed as "you".
|
||||
|
||||
Activities other than copying, distribution and modification are not
|
||||
covered by this License; they are outside its scope. The act of
|
||||
running the Program is not restricted, and the output from the Program
|
||||
is covered only if its contents constitute a work based on the
|
||||
Program (independent of having been made by running the Program).
|
||||
Whether that is true depends on what the Program does.
|
||||
|
||||
1. You may copy and distribute verbatim copies of the Program's
|
||||
source code as you receive it, in any medium, provided that you
|
||||
conspicuously and appropriately publish on each copy an appropriate
|
||||
copyright notice and disclaimer of warranty; keep intact all the
|
||||
notices that refer to this License and to the absence of any warranty;
|
||||
and give any other recipients of the Program a copy of this License
|
||||
along with the Program.
|
||||
|
||||
You may charge a fee for the physical act of transferring a copy, and
|
||||
you may at your option offer warranty protection in exchange for a fee.
|
||||
|
||||
2. You may modify your copy or copies of the Program or any portion
|
||||
of it, thus forming a work based on the Program, and copy and
|
||||
distribute such modifications or work under the terms of Section 1
|
||||
above, provided that you also meet all of these conditions:
|
||||
|
||||
a) You must cause the modified files to carry prominent notices
|
||||
stating that you changed the files and the date of any change.
|
||||
|
||||
b) You must cause any work that you distribute or publish, that in
|
||||
whole or in part contains or is derived from the Program or any
|
||||
part thereof, to be licensed as a whole at no charge to all third
|
||||
parties under the terms of this License.
|
||||
|
||||
c) If the modified program normally reads commands interactively
|
||||
when run, you must cause it, when started running for such
|
||||
interactive use in the most ordinary way, to print or display an
|
||||
announcement including an appropriate copyright notice and a
|
||||
notice that there is no warranty (or else, saying that you provide
|
||||
a warranty) and that users may redistribute the program under
|
||||
these conditions, and telling the user how to view a copy of this
|
||||
License. (Exception: if the Program itself is interactive but
|
||||
does not normally print such an announcement, your work based on
|
||||
the Program is not required to print an announcement.)
|
||||
|
||||
These requirements apply to the modified work as a whole. If
|
||||
identifiable sections of that work are not derived from the Program,
|
||||
and can be reasonably considered independent and separate works in
|
||||
themselves, then this License, and its terms, do not apply to those
|
||||
sections when you distribute them as separate works. But when you
|
||||
distribute the same sections as part of a whole which is a work based
|
||||
on the Program, the distribution of the whole must be on the terms of
|
||||
this License, whose permissions for other licensees extend to the
|
||||
entire whole, and thus to each and every part regardless of who wrote it.
|
||||
|
||||
Thus, it is not the intent of this section to claim rights or contest
|
||||
your rights to work written entirely by you; rather, the intent is to
|
||||
exercise the right to control the distribution of derivative or
|
||||
collective works based on the Program.
|
||||
|
||||
In addition, mere aggregation of another work not based on the Program
|
||||
with the Program (or with a work based on the Program) on a volume of
|
||||
a storage or distribution medium does not bring the other work under
|
||||
the scope of this License.
|
||||
|
||||
3. You may copy and distribute the Program (or a work based on it,
|
||||
under Section 2) in object code or executable form under the terms of
|
||||
Sections 1 and 2 above provided that you also do one of the following:
|
||||
|
||||
a) Accompany it with the complete corresponding machine-readable
|
||||
source code, which must be distributed under the terms of Sections
|
||||
1 and 2 above on a medium customarily used for software interchange; or,
|
||||
|
||||
b) Accompany it with a written offer, valid for at least three
|
||||
years, to give any third party, for a charge no more than your
|
||||
cost of physically performing source distribution, a complete
|
||||
machine-readable copy of the corresponding source code, to be
|
||||
distributed under the terms of Sections 1 and 2 above on a medium
|
||||
customarily used for software interchange; or,
|
||||
|
||||
c) Accompany it with the information you received as to the offer
|
||||
to distribute corresponding source code. (This alternative is
|
||||
allowed only for noncommercial distribution and only if you
|
||||
received the program in object code or executable form with such
|
||||
an offer, in accord with Subsection b above.)
|
||||
|
||||
The source code for a work means the preferred form of the work for
|
||||
making modifications to it. For an executable work, complete source
|
||||
code means all the source code for all modules it contains, plus any
|
||||
associated interface definition files, plus the scripts used to
|
||||
control compilation and installation of the executable. However, as a
|
||||
special exception, the source code distributed need not include
|
||||
anything that is normally distributed (in either source or binary
|
||||
form) with the major components (compiler, kernel, and so on) of the
|
||||
operating system on which the executable runs, unless that component
|
||||
itself accompanies the executable.
|
||||
|
||||
If distribution of executable or object code is made by offering
|
||||
access to copy from a designated place, then offering equivalent
|
||||
access to copy the source code from the same place counts as
|
||||
distribution of the source code, even though third parties are not
|
||||
compelled to copy the source along with the object code.
|
||||
|
||||
4. You may not copy, modify, sublicense, or distribute the Program
|
||||
except as expressly provided under this License. Any attempt
|
||||
otherwise to copy, modify, sublicense or distribute the Program is
|
||||
void, and will automatically terminate your rights under this License.
|
||||
However, parties who have received copies, or rights, from you under
|
||||
this License will not have their licenses terminated so long as such
|
||||
parties remain in full compliance.
|
||||
|
||||
5. You are not required to accept this License, since you have not
|
||||
signed it. However, nothing else grants you permission to modify or
|
||||
distribute the Program or its derivative works. These actions are
|
||||
prohibited by law if you do not accept this License. Therefore, by
|
||||
modifying or distributing the Program (or any work based on the
|
||||
Program), you indicate your acceptance of this License to do so, and
|
||||
all its terms and conditions for copying, distributing or modifying
|
||||
the Program or works based on it.
|
||||
|
||||
6. Each time you redistribute the Program (or any work based on the
|
||||
Program), the recipient automatically receives a license from the
|
||||
original licensor to copy, distribute or modify the Program subject to
|
||||
these terms and conditions. You may not impose any further
|
||||
restrictions on the recipients' exercise of the rights granted herein.
|
||||
You are not responsible for enforcing compliance by third parties to
|
||||
this License.
|
||||
|
||||
7. If, as a consequence of a court judgment or allegation of patent
|
||||
infringement or for any other reason (not limited to patent issues),
|
||||
conditions are imposed on you (whether by court order, agreement or
|
||||
otherwise) that contradict the conditions of this License, they do not
|
||||
excuse you from the conditions of this License. If you cannot
|
||||
distribute so as to satisfy simultaneously your obligations under this
|
||||
License and any other pertinent obligations, then as a consequence you
|
||||
may not distribute the Program at all. For example, if a patent
|
||||
license would not permit royalty-free redistribution of the Program by
|
||||
all those who receive copies directly or indirectly through you, then
|
||||
the only way you could satisfy both it and this License would be to
|
||||
refrain entirely from distribution of the Program.
|
||||
|
||||
If any portion of this section is held invalid or unenforceable under
|
||||
any particular circumstance, the balance of the section is intended to
|
||||
apply and the section as a whole is intended to apply in other
|
||||
circumstances.
|
||||
|
||||
It is not the purpose of this section to induce you to infringe any
|
||||
patents or other property right claims or to contest validity of any
|
||||
such claims; this section has the sole purpose of protecting the
|
||||
integrity of the free software distribution system, which is
|
||||
implemented by public license practices. Many people have made
|
||||
generous contributions to the wide range of software distributed
|
||||
through that system in reliance on consistent application of that
|
||||
system; it is up to the author/donor to decide if he or she is willing
|
||||
to distribute software through any other system and a licensee cannot
|
||||
impose that choice.
|
||||
|
||||
This section is intended to make thoroughly clear what is believed to
|
||||
be a consequence of the rest of this License.
|
||||
|
||||
8. If the distribution and/or use of the Program is restricted in
|
||||
certain countries either by patents or by copyrighted interfaces, the
|
||||
original copyright holder who places the Program under this License
|
||||
may add an explicit geographical distribution limitation excluding
|
||||
those countries, so that distribution is permitted only in or among
|
||||
countries not thus excluded. In such case, this License incorporates
|
||||
the limitation as if written in the body of this License.
|
||||
|
||||
9. The Free Software Foundation may publish revised and/or new versions
|
||||
of the General Public License from time to time. Such new versions will
|
||||
be similar in spirit to the present version, but may differ in detail to
|
||||
address new problems or concerns.
|
||||
|
||||
Each version is given a distinguishing version number. If the Program
|
||||
specifies a version number of this License which applies to it and "any
|
||||
later version", you have the option of following the terms and conditions
|
||||
either of that version or of any later version published by the Free
|
||||
Software Foundation. If the Program does not specify a version number of
|
||||
this License, you may choose any version ever published by the Free Software
|
||||
Foundation.
|
||||
|
||||
10. If you wish to incorporate parts of the Program into other free
|
||||
programs whose distribution conditions are different, write to the author
|
||||
to ask for permission. For software which is copyrighted by the Free
|
||||
Software Foundation, write to the Free Software Foundation; we sometimes
|
||||
make exceptions for this. Our decision will be guided by the two goals
|
||||
of preserving the free status of all derivatives of our free software and
|
||||
of promoting the sharing and reuse of software generally.
|
||||
|
||||
NO WARRANTY
|
||||
|
||||
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
|
||||
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
|
||||
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
|
||||
PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
|
||||
OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
|
||||
TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
|
||||
PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
|
||||
REPAIR OR CORRECTION.
|
||||
|
||||
12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
|
||||
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
|
||||
REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
|
||||
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
|
||||
OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
|
||||
TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
|
||||
YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
|
||||
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
|
||||
POSSIBILITY OF SUCH DAMAGES.
|
||||
|
||||
END OF TERMS AND CONDITIONS
|
||||
|
||||
Appendix: How to Apply These Terms to Your New Programs
|
||||
|
||||
If you develop a new program, and you want it to be of the greatest
|
||||
possible use to the public, the best way to achieve this is to make it
|
||||
free software which everyone can redistribute and change under these terms.
|
||||
|
||||
To do so, attach the following notices to the program. It is safest
|
||||
to attach them to the start of each source file to most effectively
|
||||
convey the exclusion of warranty; and each file should have at least
|
||||
the "copyright" line and a pointer to where the full notice is found.
|
||||
|
||||
<one line to give the program's name and a brief idea of what it does.>
|
||||
Copyright (C) 19yy <name of author>
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
|
||||
|
||||
Also add information on how to contact you by electronic and paper mail.
|
||||
|
||||
If the program is interactive, make it output a short notice like this
|
||||
when it starts in an interactive mode:
|
||||
|
||||
Gnomovision version 69, Copyright (C) 19yy name of author
|
||||
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
|
||||
This is free software, and you are welcome to redistribute it
|
||||
under certain conditions; type `show c' for details.
|
||||
|
||||
The hypothetical commands `show w' and `show c' should show the appropriate
|
||||
parts of the General Public License. Of course, the commands you use may
|
||||
be called something other than `show w' and `show c'; they could even be
|
||||
mouse-clicks or menu items--whatever suits your program.
|
||||
|
||||
You should also get your employer (if you work as a programmer) or your
|
||||
school, if any, to sign a "copyright disclaimer" for the program, if
|
||||
necessary. Here is a sample; alter the names:
|
||||
|
||||
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
|
||||
`Gnomovision' (which makes passes at compilers) written by James Hacker.
|
||||
|
||||
<signature of Ty Coon>, 1 April 1989
|
||||
Ty Coon, President of Vice
|
||||
|
||||
This General Public License does not permit incorporating your program into
|
||||
proprietary programs. If your program is a subroutine library, you may
|
||||
consider it more useful to permit linking proprietary applications with the
|
||||
library. If this is what you want to do, use the GNU Library General
|
||||
Public License instead of this License.
|
||||
@@ -1,674 +0,0 @@
|
||||
GNU GENERAL PUBLIC LICENSE
|
||||
Version 3, 29 June 2007
|
||||
|
||||
Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
|
||||
Everyone is permitted to copy and distribute verbatim copies
|
||||
of this license document, but changing it is not allowed.
|
||||
|
||||
Preamble
|
||||
|
||||
The GNU General Public License is a free, copyleft license for
|
||||
software and other kinds of works.
|
||||
|
||||
The licenses for most software and other practical works are designed
|
||||
to take away your freedom to share and change the works. By contrast,
|
||||
the GNU General Public License is intended to guarantee your freedom to
|
||||
share and change all versions of a program--to make sure it remains free
|
||||
software for all its users. We, the Free Software Foundation, use the
|
||||
GNU General Public License for most of our software; it applies also to
|
||||
any other work released this way by its authors. You can apply it to
|
||||
your programs, too.
|
||||
|
||||
When we speak of free software, we are referring to freedom, not
|
||||
price. Our General Public Licenses are designed to make sure that you
|
||||
have the freedom to distribute copies of free software (and charge for
|
||||
them if you wish), that you receive source code or can get it if you
|
||||
want it, that you can change the software or use pieces of it in new
|
||||
free programs, and that you know you can do these things.
|
||||
|
||||
To protect your rights, we need to prevent others from denying you
|
||||
these rights or asking you to surrender the rights. Therefore, you have
|
||||
certain responsibilities if you distribute copies of the software, or if
|
||||
you modify it: responsibilities to respect the freedom of others.
|
||||
|
||||
For example, if you distribute copies of such a program, whether
|
||||
gratis or for a fee, you must pass on to the recipients the same
|
||||
freedoms that you received. You must make sure that they, too, receive
|
||||
or can get the source code. And you must show them these terms so they
|
||||
know their rights.
|
||||
|
||||
Developers that use the GNU GPL protect your rights with two steps:
|
||||
(1) assert copyright on the software, and (2) offer you this License
|
||||
giving you legal permission to copy, distribute and/or modify it.
|
||||
|
||||
For the developers' and authors' protection, the GPL clearly explains
|
||||
that there is no warranty for this free software. For both users' and
|
||||
authors' sake, the GPL requires that modified versions be marked as
|
||||
changed, so that their problems will not be attributed erroneously to
|
||||
authors of previous versions.
|
||||
|
||||
Some devices are designed to deny users access to install or run
|
||||
modified versions of the software inside them, although the manufacturer
|
||||
can do so. This is fundamentally incompatible with the aim of
|
||||
protecting users' freedom to change the software. The systematic
|
||||
pattern of such abuse occurs in the area of products for individuals to
|
||||
use, which is precisely where it is most unacceptable. Therefore, we
|
||||
have designed this version of the GPL to prohibit the practice for those
|
||||
products. If such problems arise substantially in other domains, we
|
||||
stand ready to extend this provision to those domains in future versions
|
||||
of the GPL, as needed to protect the freedom of users.
|
||||
|
||||
Finally, every program is threatened constantly by software patents.
|
||||
States should not allow patents to restrict development and use of
|
||||
software on general-purpose computers, but in those that do, we wish to
|
||||
avoid the special danger that patents applied to a free program could
|
||||
make it effectively proprietary. To prevent this, the GPL assures that
|
||||
patents cannot be used to render the program non-free.
|
||||
|
||||
The precise terms and conditions for copying, distribution and
|
||||
modification follow.
|
||||
|
||||
TERMS AND CONDITIONS
|
||||
|
||||
0. Definitions.
|
||||
|
||||
"This License" refers to version 3 of the GNU General Public License.
|
||||
|
||||
"Copyright" also means copyright-like laws that apply to other kinds of
|
||||
works, such as semiconductor masks.
|
||||
|
||||
"The Program" refers to any copyrightable work licensed under this
|
||||
License. Each licensee is addressed as "you". "Licensees" and
|
||||
"recipients" may be individuals or organizations.
|
||||
|
||||
To "modify" a work means to copy from or adapt all or part of the work
|
||||
in a fashion requiring copyright permission, other than the making of an
|
||||
exact copy. The resulting work is called a "modified version" of the
|
||||
earlier work or a work "based on" the earlier work.
|
||||
|
||||
A "covered work" means either the unmodified Program or a work based
|
||||
on the Program.
|
||||
|
||||
To "propagate" a work means to do anything with it that, without
|
||||
permission, would make you directly or secondarily liable for
|
||||
infringement under applicable copyright law, except executing it on a
|
||||
computer or modifying a private copy. Propagation includes copying,
|
||||
distribution (with or without modification), making available to the
|
||||
public, and in some countries other activities as well.
|
||||
|
||||
To "convey" a work means any kind of propagation that enables other
|
||||
parties to make or receive copies. Mere interaction with a user through
|
||||
a computer network, with no transfer of a copy, is not conveying.
|
||||
|
||||
An interactive user interface displays "Appropriate Legal Notices"
|
||||
to the extent that it includes a convenient and prominently visible
|
||||
feature that (1) displays an appropriate copyright notice, and (2)
|
||||
tells the user that there is no warranty for the work (except to the
|
||||
extent that warranties are provided), that licensees may convey the
|
||||
work under this License, and how to view a copy of this License. If
|
||||
the interface presents a list of user commands or options, such as a
|
||||
menu, a prominent item in the list meets this criterion.
|
||||
|
||||
1. Source Code.
|
||||
|
||||
The "source code" for a work means the preferred form of the work
|
||||
for making modifications to it. "Object code" means any non-source
|
||||
form of a work.
|
||||
|
||||
A "Standard Interface" means an interface that either is an official
|
||||
standard defined by a recognized standards body, or, in the case of
|
||||
interfaces specified for a particular programming language, one that
|
||||
is widely used among developers working in that language.
|
||||
|
||||
The "System Libraries" of an executable work include anything, other
|
||||
than the work as a whole, that (a) is included in the normal form of
|
||||
packaging a Major Component, but which is not part of that Major
|
||||
Component, and (b) serves only to enable use of the work with that
|
||||
Major Component, or to implement a Standard Interface for which an
|
||||
implementation is available to the public in source code form. A
|
||||
"Major Component", in this context, means a major essential component
|
||||
(kernel, window system, and so on) of the specific operating system
|
||||
(if any) on which the executable work runs, or a compiler used to
|
||||
produce the work, or an object code interpreter used to run it.
|
||||
|
||||
The "Corresponding Source" for a work in object code form means all
|
||||
the source code needed to generate, install, and (for an executable
|
||||
work) run the object code and to modify the work, including scripts to
|
||||
control those activities. However, it does not include the work's
|
||||
System Libraries, or general-purpose tools or generally available free
|
||||
programs which are used unmodified in performing those activities but
|
||||
which are not part of the work. For example, Corresponding Source
|
||||
includes interface definition files associated with source files for
|
||||
the work, and the source code for shared libraries and dynamically
|
||||
linked subprograms that the work is specifically designed to require,
|
||||
such as by intimate data communication or control flow between those
|
||||
subprograms and other parts of the work.
|
||||
|
||||
The Corresponding Source need not include anything that users
|
||||
can regenerate automatically from other parts of the Corresponding
|
||||
Source.
|
||||
|
||||
The Corresponding Source for a work in source code form is that
|
||||
same work.
|
||||
|
||||
2. Basic Permissions.
|
||||
|
||||
All rights granted under this License are granted for the term of
|
||||
copyright on the Program, and are irrevocable provided the stated
|
||||
conditions are met. This License explicitly affirms your unlimited
|
||||
permission to run the unmodified Program. The output from running a
|
||||
covered work is covered by this License only if the output, given its
|
||||
content, constitutes a covered work. This License acknowledges your
|
||||
rights of fair use or other equivalent, as provided by copyright law.
|
||||
|
||||
You may make, run and propagate covered works that you do not
|
||||
convey, without conditions so long as your license otherwise remains
|
||||
in force. You may convey covered works to others for the sole purpose
|
||||
of having them make modifications exclusively for you, or provide you
|
||||
with facilities for running those works, provided that you comply with
|
||||
the terms of this License in conveying all material for which you do
|
||||
not control copyright. Those thus making or running the covered works
|
||||
for you must do so exclusively on your behalf, under your direction
|
||||
and control, on terms that prohibit them from making any copies of
|
||||
your copyrighted material outside their relationship with you.
|
||||
|
||||
Conveying under any other circumstances is permitted solely under
|
||||
the conditions stated below. Sublicensing is not allowed; section 10
|
||||
makes it unnecessary.
|
||||
|
||||
3. Protecting Users' Legal Rights From Anti-Circumvention Law.
|
||||
|
||||
No covered work shall be deemed part of an effective technological
|
||||
measure under any applicable law fulfilling obligations under article
|
||||
11 of the WIPO copyright treaty adopted on 20 December 1996, or
|
||||
similar laws prohibiting or restricting circumvention of such
|
||||
measures.
|
||||
|
||||
When you convey a covered work, you waive any legal power to forbid
|
||||
circumvention of technological measures to the extent such circumvention
|
||||
is effected by exercising rights under this License with respect to
|
||||
the covered work, and you disclaim any intention to limit operation or
|
||||
modification of the work as a means of enforcing, against the work's
|
||||
users, your or third parties' legal rights to forbid circumvention of
|
||||
technological measures.
|
||||
|
||||
4. Conveying Verbatim Copies.
|
||||
|
||||
You may convey verbatim copies of the Program's source code as you
|
||||
receive it, in any medium, provided that you conspicuously and
|
||||
appropriately publish on each copy an appropriate copyright notice;
|
||||
keep intact all notices stating that this License and any
|
||||
non-permissive terms added in accord with section 7 apply to the code;
|
||||
keep intact all notices of the absence of any warranty; and give all
|
||||
recipients a copy of this License along with the Program.
|
||||
|
||||
You may charge any price or no price for each copy that you convey,
|
||||
and you may offer support or warranty protection for a fee.
|
||||
|
||||
5. Conveying Modified Source Versions.
|
||||
|
||||
You may convey a work based on the Program, or the modifications to
|
||||
produce it from the Program, in the form of source code under the
|
||||
terms of section 4, provided that you also meet all of these conditions:
|
||||
|
||||
a) The work must carry prominent notices stating that you modified
|
||||
it, and giving a relevant date.
|
||||
|
||||
b) The work must carry prominent notices stating that it is
|
||||
released under this License and any conditions added under section
|
||||
7. This requirement modifies the requirement in section 4 to
|
||||
"keep intact all notices".
|
||||
|
||||
c) You must license the entire work, as a whole, under this
|
||||
License to anyone who comes into possession of a copy. This
|
||||
License will therefore apply, along with any applicable section 7
|
||||
additional terms, to the whole of the work, and all its parts,
|
||||
regardless of how they are packaged. This License gives no
|
||||
permission to license the work in any other way, but it does not
|
||||
invalidate such permission if you have separately received it.
|
||||
|
||||
d) If the work has interactive user interfaces, each must display
|
||||
Appropriate Legal Notices; however, if the Program has interactive
|
||||
interfaces that do not display Appropriate Legal Notices, your
|
||||
work need not make them do so.
|
||||
|
||||
A compilation of a covered work with other separate and independent
|
||||
works, which are not by their nature extensions of the covered work,
|
||||
and which are not combined with it such as to form a larger program,
|
||||
in or on a volume of a storage or distribution medium, is called an
|
||||
"aggregate" if the compilation and its resulting copyright are not
|
||||
used to limit the access or legal rights of the compilation's users
|
||||
beyond what the individual works permit. Inclusion of a covered work
|
||||
in an aggregate does not cause this License to apply to the other
|
||||
parts of the aggregate.
|
||||
|
||||
6. Conveying Non-Source Forms.
|
||||
|
||||
You may convey a covered work in object code form under the terms
|
||||
of sections 4 and 5, provided that you also convey the
|
||||
machine-readable Corresponding Source under the terms of this License,
|
||||
in one of these ways:
|
||||
|
||||
a) Convey the object code in, or embodied in, a physical product
|
||||
(including a physical distribution medium), accompanied by the
|
||||
Corresponding Source fixed on a durable physical medium
|
||||
customarily used for software interchange.
|
||||
|
||||
b) Convey the object code in, or embodied in, a physical product
|
||||
(including a physical distribution medium), accompanied by a
|
||||
written offer, valid for at least three years and valid for as
|
||||
long as you offer spare parts or customer support for that product
|
||||
model, to give anyone who possesses the object code either (1) a
|
||||
copy of the Corresponding Source for all the software in the
|
||||
product that is covered by this License, on a durable physical
|
||||
medium customarily used for software interchange, for a price no
|
||||
more than your reasonable cost of physically performing this
|
||||
conveying of source, or (2) access to copy the
|
||||
Corresponding Source from a network server at no charge.
|
||||
|
||||
c) Convey individual copies of the object code with a copy of the
|
||||
written offer to provide the Corresponding Source. This
|
||||
alternative is allowed only occasionally and noncommercially, and
|
||||
only if you received the object code with such an offer, in accord
|
||||
with subsection 6b.
|
||||
|
||||
d) Convey the object code by offering access from a designated
|
||||
place (gratis or for a charge), and offer equivalent access to the
|
||||
Corresponding Source in the same way through the same place at no
|
||||
further charge. You need not require recipients to copy the
|
||||
Corresponding Source along with the object code. If the place to
|
||||
copy the object code is a network server, the Corresponding Source
|
||||
may be on a different server (operated by you or a third party)
|
||||
that supports equivalent copying facilities, provided you maintain
|
||||
clear directions next to the object code saying where to find the
|
||||
Corresponding Source. Regardless of what server hosts the
|
||||
Corresponding Source, you remain obligated to ensure that it is
|
||||
available for as long as needed to satisfy these requirements.
|
||||
|
||||
e) Convey the object code using peer-to-peer transmission, provided
|
||||
you inform other peers where the object code and Corresponding
|
||||
Source of the work are being offered to the general public at no
|
||||
charge under subsection 6d.
|
||||
|
||||
A separable portion of the object code, whose source code is excluded
|
||||
from the Corresponding Source as a System Library, need not be
|
||||
included in conveying the object code work.
|
||||
|
||||
A "User Product" is either (1) a "consumer product", which means any
|
||||
tangible personal property which is normally used for personal, family,
|
||||
or household purposes, or (2) anything designed or sold for incorporation
|
||||
into a dwelling. In determining whether a product is a consumer product,
|
||||
doubtful cases shall be resolved in favor of coverage. For a particular
|
||||
product received by a particular user, "normally used" refers to a
|
||||
typical or common use of that class of product, regardless of the status
|
||||
of the particular user or of the way in which the particular user
|
||||
actually uses, or expects or is expected to use, the product. A product
|
||||
is a consumer product regardless of whether the product has substantial
|
||||
commercial, industrial or non-consumer uses, unless such uses represent
|
||||
the only significant mode of use of the product.
|
||||
|
||||
"Installation Information" for a User Product means any methods,
|
||||
procedures, authorization keys, or other information required to install
|
||||
and execute modified versions of a covered work in that User Product from
|
||||
a modified version of its Corresponding Source. The information must
|
||||
suffice to ensure that the continued functioning of the modified object
|
||||
code is in no case prevented or interfered with solely because
|
||||
modification has been made.
|
||||
|
||||
If you convey an object code work under this section in, or with, or
|
||||
specifically for use in, a User Product, and the conveying occurs as
|
||||
part of a transaction in which the right of possession and use of the
|
||||
User Product is transferred to the recipient in perpetuity or for a
|
||||
fixed term (regardless of how the transaction is characterized), the
|
||||
Corresponding Source conveyed under this section must be accompanied
|
||||
by the Installation Information. But this requirement does not apply
|
||||
if neither you nor any third party retains the ability to install
|
||||
modified object code on the User Product (for example, the work has
|
||||
been installed in ROM).
|
||||
|
||||
The requirement to provide Installation Information does not include a
|
||||
requirement to continue to provide support service, warranty, or updates
|
||||
for a work that has been modified or installed by the recipient, or for
|
||||
the User Product in which it has been modified or installed. Access to a
|
||||
network may be denied when the modification itself materially and
|
||||
adversely affects the operation of the network or violates the rules and
|
||||
protocols for communication across the network.
|
||||
|
||||
Corresponding Source conveyed, and Installation Information provided,
|
||||
in accord with this section must be in a format that is publicly
|
||||
documented (and with an implementation available to the public in
|
||||
source code form), and must require no special password or key for
|
||||
unpacking, reading or copying.
|
||||
|
||||
7. Additional Terms.
|
||||
|
||||
"Additional permissions" are terms that supplement the terms of this
|
||||
License by making exceptions from one or more of its conditions.
|
||||
Additional permissions that are applicable to the entire Program shall
|
||||
be treated as though they were included in this License, to the extent
|
||||
that they are valid under applicable law. If additional permissions
|
||||
apply only to part of the Program, that part may be used separately
|
||||
under those permissions, but the entire Program remains governed by
|
||||
this License without regard to the additional permissions.
|
||||
|
||||
When you convey a copy of a covered work, you may at your option
|
||||
remove any additional permissions from that copy, or from any part of
|
||||
it. (Additional permissions may be written to require their own
|
||||
removal in certain cases when you modify the work.) You may place
|
||||
additional permissions on material, added by you to a covered work,
|
||||
for which you have or can give appropriate copyright permission.
|
||||
|
||||
Notwithstanding any other provision of this License, for material you
|
||||
add to a covered work, you may (if authorized by the copyright holders of
|
||||
that material) supplement the terms of this License with terms:
|
||||
|
||||
a) Disclaiming warranty or limiting liability differently from the
|
||||
terms of sections 15 and 16 of this License; or
|
||||
|
||||
b) Requiring preservation of specified reasonable legal notices or
|
||||
author attributions in that material or in the Appropriate Legal
|
||||
Notices displayed by works containing it; or
|
||||
|
||||
c) Prohibiting misrepresentation of the origin of that material, or
|
||||
requiring that modified versions of such material be marked in
|
||||
reasonable ways as different from the original version; or
|
||||
|
||||
d) Limiting the use for publicity purposes of names of licensors or
|
||||
authors of the material; or
|
||||
|
||||
e) Declining to grant rights under trademark law for use of some
|
||||
trade names, trademarks, or service marks; or
|
||||
|
||||
f) Requiring indemnification of licensors and authors of that
|
||||
material by anyone who conveys the material (or modified versions of
|
||||
it) with contractual assumptions of liability to the recipient, for
|
||||
any liability that these contractual assumptions directly impose on
|
||||
those licensors and authors.
|
||||
|
||||
All other non-permissive additional terms are considered "further
|
||||
restrictions" within the meaning of section 10. If the Program as you
|
||||
received it, or any part of it, contains a notice stating that it is
|
||||
governed by this License along with a term that is a further
|
||||
restriction, you may remove that term. If a license document contains
|
||||
a further restriction but permits relicensing or conveying under this
|
||||
License, you may add to a covered work material governed by the terms
|
||||
of that license document, provided that the further restriction does
|
||||
not survive such relicensing or conveying.
|
||||
|
||||
If you add terms to a covered work in accord with this section, you
|
||||
must place, in the relevant source files, a statement of the
|
||||
additional terms that apply to those files, or a notice indicating
|
||||
where to find the applicable terms.
|
||||
|
||||
Additional terms, permissive or non-permissive, may be stated in the
|
||||
form of a separately written license, or stated as exceptions;
|
||||
the above requirements apply either way.
|
||||
|
||||
8. Termination.
|
||||
|
||||
You may not propagate or modify a covered work except as expressly
|
||||
provided under this License. Any attempt otherwise to propagate or
|
||||
modify it is void, and will automatically terminate your rights under
|
||||
this License (including any patent licenses granted under the third
|
||||
paragraph of section 11).
|
||||
|
||||
However, if you cease all violation of this License, then your
|
||||
license from a particular copyright holder is reinstated (a)
|
||||
provisionally, unless and until the copyright holder explicitly and
|
||||
finally terminates your license, and (b) permanently, if the copyright
|
||||
holder fails to notify you of the violation by some reasonable means
|
||||
prior to 60 days after the cessation.
|
||||
|
||||
Moreover, your license from a particular copyright holder is
|
||||
reinstated permanently if the copyright holder notifies you of the
|
||||
violation by some reasonable means, this is the first time you have
|
||||
received notice of violation of this License (for any work) from that
|
||||
copyright holder, and you cure the violation prior to 30 days after
|
||||
your receipt of the notice.
|
||||
|
||||
Termination of your rights under this section does not terminate the
|
||||
licenses of parties who have received copies or rights from you under
|
||||
this License. If your rights have been terminated and not permanently
|
||||
reinstated, you do not qualify to receive new licenses for the same
|
||||
material under section 10.
|
||||
|
||||
9. Acceptance Not Required for Having Copies.
|
||||
|
||||
You are not required to accept this License in order to receive or
|
||||
run a copy of the Program. Ancillary propagation of a covered work
|
||||
occurring solely as a consequence of using peer-to-peer transmission
|
||||
to receive a copy likewise does not require acceptance. However,
|
||||
nothing other than this License grants you permission to propagate or
|
||||
modify any covered work. These actions infringe copyright if you do
|
||||
not accept this License. Therefore, by modifying or propagating a
|
||||
covered work, you indicate your acceptance of this License to do so.
|
||||
|
||||
10. Automatic Licensing of Downstream Recipients.
|
||||
|
||||
Each time you convey a covered work, the recipient automatically
|
||||
receives a license from the original licensors, to run, modify and
|
||||
propagate that work, subject to this License. You are not responsible
|
||||
for enforcing compliance by third parties with this License.
|
||||
|
||||
An "entity transaction" is a transaction transferring control of an
|
||||
organization, or substantially all assets of one, or subdividing an
|
||||
organization, or merging organizations. If propagation of a covered
|
||||
work results from an entity transaction, each party to that
|
||||
transaction who receives a copy of the work also receives whatever
|
||||
licenses to the work the party's predecessor in interest had or could
|
||||
give under the previous paragraph, plus a right to possession of the
|
||||
Corresponding Source of the work from the predecessor in interest, if
|
||||
the predecessor has it or can get it with reasonable efforts.
|
||||
|
||||
You may not impose any further restrictions on the exercise of the
|
||||
rights granted or affirmed under this License. For example, you may
|
||||
not impose a license fee, royalty, or other charge for exercise of
|
||||
rights granted under this License, and you may not initiate litigation
|
||||
(including a cross-claim or counterclaim in a lawsuit) alleging that
|
||||
any patent claim is infringed by making, using, selling, offering for
|
||||
sale, or importing the Program or any portion of it.
|
||||
|
||||
11. Patents.
|
||||
|
||||
A "contributor" is a copyright holder who authorizes use under this
|
||||
License of the Program or a work on which the Program is based. The
|
||||
work thus licensed is called the contributor's "contributor version".
|
||||
|
||||
A contributor's "essential patent claims" are all patent claims
|
||||
owned or controlled by the contributor, whether already acquired or
|
||||
hereafter acquired, that would be infringed by some manner, permitted
|
||||
by this License, of making, using, or selling its contributor version,
|
||||
but do not include claims that would be infringed only as a
|
||||
consequence of further modification of the contributor version. For
|
||||
purposes of this definition, "control" includes the right to grant
|
||||
patent sublicenses in a manner consistent with the requirements of
|
||||
this License.
|
||||
|
||||
Each contributor grants you a non-exclusive, worldwide, royalty-free
|
||||
patent license under the contributor's essential patent claims, to
|
||||
make, use, sell, offer for sale, import and otherwise run, modify and
|
||||
propagate the contents of its contributor version.
|
||||
|
||||
In the following three paragraphs, a "patent license" is any express
|
||||
agreement or commitment, however denominated, not to enforce a patent
|
||||
(such as an express permission to practice a patent or covenant not to
|
||||
sue for patent infringement). To "grant" such a patent license to a
|
||||
party means to make such an agreement or commitment not to enforce a
|
||||
patent against the party.
|
||||
|
||||
If you convey a covered work, knowingly relying on a patent license,
|
||||
and the Corresponding Source of the work is not available for anyone
|
||||
to copy, free of charge and under the terms of this License, through a
|
||||
publicly available network server or other readily accessible means,
|
||||
then you must either (1) cause the Corresponding Source to be so
|
||||
available, or (2) arrange to deprive yourself of the benefit of the
|
||||
patent license for this particular work, or (3) arrange, in a manner
|
||||
consistent with the requirements of this License, to extend the patent
|
||||
license to downstream recipients. "Knowingly relying" means you have
|
||||
actual knowledge that, but for the patent license, your conveying the
|
||||
covered work in a country, or your recipient's use of the covered work
|
||||
in a country, would infringe one or more identifiable patents in that
|
||||
country that you have reason to believe are valid.
|
||||
|
||||
If, pursuant to or in connection with a single transaction or
|
||||
arrangement, you convey, or propagate by procuring conveyance of, a
|
||||
covered work, and grant a patent license to some of the parties
|
||||
receiving the covered work authorizing them to use, propagate, modify
|
||||
or convey a specific copy of the covered work, then the patent license
|
||||
you grant is automatically extended to all recipients of the covered
|
||||
work and works based on it.
|
||||
|
||||
A patent license is "discriminatory" if it does not include within
|
||||
the scope of its coverage, prohibits the exercise of, or is
|
||||
conditioned on the non-exercise of one or more of the rights that are
|
||||
specifically granted under this License. You may not convey a covered
|
||||
work if you are a party to an arrangement with a third party that is
|
||||
in the business of distributing software, under which you make payment
|
||||
to the third party based on the extent of your activity of conveying
|
||||
the work, and under which the third party grants, to any of the
|
||||
parties who would receive the covered work from you, a discriminatory
|
||||
patent license (a) in connection with copies of the covered work
|
||||
conveyed by you (or copies made from those copies), or (b) primarily
|
||||
for and in connection with specific products or compilations that
|
||||
contain the covered work, unless you entered into that arrangement,
|
||||
or that patent license was granted, prior to 28 March 2007.
|
||||
|
||||
Nothing in this License shall be construed as excluding or limiting
|
||||
any implied license or other defenses to infringement that may
|
||||
otherwise be available to you under applicable patent law.
|
||||
|
||||
12. No Surrender of Others' Freedom.
|
||||
|
||||
If conditions are imposed on you (whether by court order, agreement or
|
||||
otherwise) that contradict the conditions of this License, they do not
|
||||
excuse you from the conditions of this License. If you cannot convey a
|
||||
covered work so as to satisfy simultaneously your obligations under this
|
||||
License and any other pertinent obligations, then as a consequence you may
|
||||
not convey it at all. For example, if you agree to terms that obligate you
|
||||
to collect a royalty for further conveying from those to whom you convey
|
||||
the Program, the only way you could satisfy both those terms and this
|
||||
License would be to refrain entirely from conveying the Program.
|
||||
|
||||
13. Use with the GNU Affero General Public License.
|
||||
|
||||
Notwithstanding any other provision of this License, you have
|
||||
permission to link or combine any covered work with a work licensed
|
||||
under version 3 of the GNU Affero General Public License into a single
|
||||
combined work, and to convey the resulting work. The terms of this
|
||||
License will continue to apply to the part which is the covered work,
|
||||
but the special requirements of the GNU Affero General Public License,
|
||||
section 13, concerning interaction through a network will apply to the
|
||||
combination as such.
|
||||
|
||||
14. Revised Versions of this License.
|
||||
|
||||
The Free Software Foundation may publish revised and/or new versions of
|
||||
the GNU General Public License from time to time. Such new versions will
|
||||
be similar in spirit to the present version, but may differ in detail to
|
||||
address new problems or concerns.
|
||||
|
||||
Each version is given a distinguishing version number. If the
|
||||
Program specifies that a certain numbered version of the GNU General
|
||||
Public License "or any later version" applies to it, you have the
|
||||
option of following the terms and conditions either of that numbered
|
||||
version or of any later version published by the Free Software
|
||||
Foundation. If the Program does not specify a version number of the
|
||||
GNU General Public License, you may choose any version ever published
|
||||
by the Free Software Foundation.
|
||||
|
||||
If the Program specifies that a proxy can decide which future
|
||||
versions of the GNU General Public License can be used, that proxy's
|
||||
public statement of acceptance of a version permanently authorizes you
|
||||
to choose that version for the Program.
|
||||
|
||||
Later license versions may give you additional or different
|
||||
permissions. However, no additional obligations are imposed on any
|
||||
author or copyright holder as a result of your choosing to follow a
|
||||
later version.
|
||||
|
||||
15. Disclaimer of Warranty.
|
||||
|
||||
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
|
||||
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
|
||||
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
|
||||
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
|
||||
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
|
||||
IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
|
||||
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
|
||||
|
||||
16. Limitation of Liability.
|
||||
|
||||
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
|
||||
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
|
||||
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
|
||||
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
|
||||
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
|
||||
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
|
||||
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
|
||||
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
|
||||
SUCH DAMAGES.
|
||||
|
||||
17. Interpretation of Sections 15 and 16.
|
||||
|
||||
If the disclaimer of warranty and limitation of liability provided
|
||||
above cannot be given local legal effect according to their terms,
|
||||
reviewing courts shall apply local law that most closely approximates
|
||||
an absolute waiver of all civil liability in connection with the
|
||||
Program, unless a warranty or assumption of liability accompanies a
|
||||
copy of the Program in return for a fee.
|
||||
|
||||
END OF TERMS AND CONDITIONS
|
||||
|
||||
How to Apply These Terms to Your New Programs
|
||||
|
||||
If you develop a new program, and you want it to be of the greatest
|
||||
possible use to the public, the best way to achieve this is to make it
|
||||
free software which everyone can redistribute and change under these terms.
|
||||
|
||||
To do so, attach the following notices to the program. It is safest
|
||||
to attach them to the start of each source file to most effectively
|
||||
state the exclusion of warranty; and each file should have at least
|
||||
the "copyright" line and a pointer to where the full notice is found.
|
||||
|
||||
<one line to give the program's name and a brief idea of what it does.>
|
||||
Copyright (C) <year> <name of author>
|
||||
|
||||
This program is free software: you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation, either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
This program is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
|
||||
Also add information on how to contact you by electronic and paper mail.
|
||||
|
||||
If the program does terminal interaction, make it output a short
|
||||
notice like this when it starts in an interactive mode:
|
||||
|
||||
<program> Copyright (C) <year> <name of author>
|
||||
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
|
||||
This is free software, and you are welcome to redistribute it
|
||||
under certain conditions; type `show c' for details.
|
||||
|
||||
The hypothetical commands `show w' and `show c' should show the appropriate
|
||||
parts of the General Public License. Of course, your program's commands
|
||||
might be different; for a GUI interface, you would use an "about box".
|
||||
|
||||
You should also get your employer (if you work as a programmer) or school,
|
||||
if any, to sign a "copyright disclaimer" for the program, if necessary.
|
||||
For more information on this, and how to apply and follow the GNU GPL, see
|
||||
<http://www.gnu.org/licenses/>.
|
||||
|
||||
The GNU General Public License does not permit incorporating your program
|
||||
into proprietary programs. If your program is a subroutine library, you
|
||||
may consider it more useful to permit linking proprietary applications with
|
||||
the library. If this is what you want to do, use the GNU Lesser General
|
||||
Public License instead of this License. But first, please read
|
||||
<http://www.gnu.org/philosophy/why-not-lgpl.html>.
|
||||
@@ -1,164 +0,0 @@
|
||||
This is a terse description of the new features added to bash-4.3 since
|
||||
the release of bash-4.2. As always, the manual page (doc/bash.1) is
|
||||
the place to look for complete descriptions.
|
||||
|
||||
1. New Features in Bash
|
||||
|
||||
a. The `helptopic' completion action now maps to all the help topics, not just
|
||||
the shell builtins.
|
||||
|
||||
b. The `help' builtin no longer does prefix substring matching, so `help read'
|
||||
does not match `readonly'.
|
||||
|
||||
c. The shell can be compiled to not display a message about processes that
|
||||
terminate due to SIGTERM.
|
||||
|
||||
d. Non-interactive shells now react to the setting of checkwinsize and set
|
||||
LINES and COLUMNS after a foreground job exits.
|
||||
|
||||
e. There is a new shell option, `globasciiranges', which, when set to on,
|
||||
forces globbing range comparisons to use character ordering as if they
|
||||
were run in the C locale.
|
||||
|
||||
f. There is a new shell option, `direxpand', which makes filename completion
|
||||
expand variables in directory names in the way bash-4.1 did.
|
||||
|
||||
g. In Posix mode, the `command' builtin does not change whether or not a
|
||||
builtin it shadows is treated as an assignment builtin.
|
||||
|
||||
h. The `return' and `exit' builtins accept negative exit status arguments.
|
||||
|
||||
i. The word completion code checks whether or not a filename containing a
|
||||
shell variable expands to a directory name and appends `/' to the word
|
||||
as appropriate. The same code expands shell variables in command names
|
||||
when performing command completion.
|
||||
|
||||
j. In Posix mode, it is now an error to attempt to define a shell function
|
||||
with the same name as a Posix special builtin.
|
||||
|
||||
k. When compiled for strict Posix conformance, history expansion is disabled
|
||||
by default.
|
||||
|
||||
l. The history expansion character (!) does not cause history expansion when
|
||||
followed by the closing quote in a double-quoted string.
|
||||
|
||||
m. `complete' and its siblings compgen/compopt now takes a new `-o noquote'
|
||||
option to inhibit quoting of the completions.
|
||||
|
||||
n. Setting HISTSIZE to a value less than zero causes the history list to be
|
||||
unlimited (setting it 0 zero disables the history list).
|
||||
|
||||
o. Setting HISTFILESIZE to a value less than zero causes the history file size
|
||||
to be unlimited (setting it to 0 causes the history file to be truncated
|
||||
to zero size).
|
||||
|
||||
p. The `read' builtin now skips NUL bytes in the input.
|
||||
|
||||
q. There is a new `bind -X' option to print all key sequences bound to Unix
|
||||
commands.
|
||||
|
||||
r. When in Posix mode, `read' is interruptible by a trapped signal. After
|
||||
running the trap handler, read returns 128+signal and throws away any
|
||||
partially-read input.
|
||||
|
||||
s. The command completion code skips whitespace and assignment statements
|
||||
before looking for the command name word to be completed.
|
||||
|
||||
t. The build process has a new mechanism for constructing separate help files
|
||||
that better reflects the current set of compilation options.
|
||||
|
||||
u. The -nt and -ot options to test now work with files with nanosecond
|
||||
timestamp resolution.
|
||||
|
||||
v. The shell saves the command history in any shell for which history is
|
||||
enabled and HISTFILE is set, not just interactive shells.
|
||||
|
||||
w. The shell has `nameref' variables and new -n(/+n) options to declare and
|
||||
unset to use them, and a `test -R' option to test for them.
|
||||
|
||||
x. The shell now allows assigning, referencing, and unsetting elements of
|
||||
indexed arrays using negative subscripts (a[-1]=2, echo ${a[-1]}) which
|
||||
count back from the last element of the array.
|
||||
|
||||
y. The {x}<word redirection feature now allows words like {array[ind]} and
|
||||
can use variables with special meanings to the shell (e.g., BASH_XTRACEFD).
|
||||
|
||||
z. There is a new CHILD_MAX special shell variable; its value controls the
|
||||
number of exited child statues the shell remembers.
|
||||
|
||||
aa. There is a new configuration option (--enable-direxpand-default) that
|
||||
causes the `direxpand' shell option to be enabled by default.
|
||||
|
||||
bb. Bash does not do anything special to ensure that the file descriptor
|
||||
assigned to X in {x}<foo remains open after the block containing it
|
||||
completes.
|
||||
|
||||
cc. The `wait' builtin has a new `-n' option to wait for the next child to
|
||||
change status.
|
||||
|
||||
dd. The `printf' %(...)T format specifier now uses the current time if no
|
||||
argument is supplied.
|
||||
|
||||
ee. There is a new variable, BASH_COMPAT, that controls the current shell
|
||||
compatibility level.
|
||||
|
||||
ff. The `popd' builtin now treats additional arguments as errors.
|
||||
|
||||
gg. The brace expansion code now treats a failed sequence expansion as a
|
||||
simple string and will continue to expand brace terms in the remainder
|
||||
of the word.
|
||||
|
||||
2. New Features in Readline
|
||||
|
||||
a. Readline is now more responsive to SIGHUP and other fatal signals when
|
||||
reading input from the terminal or performing word completion but no
|
||||
longer attempts to run any not-allowable functions from a signal handler
|
||||
context.
|
||||
|
||||
b. There are new bindable commands to search the history for the string of
|
||||
characters between the beginning of the line and the point
|
||||
(history-substring-search-forward, history-substring-search-backward)
|
||||
|
||||
c. Readline allows quoted strings as the values of variables when setting
|
||||
them with `set'. As a side effect, trailing spaces and tabs are ignored
|
||||
when setting a string variable's value.
|
||||
|
||||
d. The history library creates a backup of the history file when writing it
|
||||
and restores the backup on a write error.
|
||||
|
||||
e. New application-settable variable: rl_filename_stat_hook: a function called
|
||||
with a filename before using it in a call to stat(2). Bash uses it to
|
||||
expand shell variables so things like $HOME/Downloads have a slash
|
||||
appended.
|
||||
|
||||
f. New bindable function `print-last-kbd-macro', prints the most-recently-
|
||||
defined keyboard macro in a reusable format.
|
||||
|
||||
g. New user-settable variable `colored-stats', enables use of colored text
|
||||
to denote file types when displaying possible completions (colored analog
|
||||
of visible-stats).
|
||||
|
||||
h. New user-settable variable `keyseq-timout', acts as an inter-character
|
||||
timeout when reading input or incremental search strings.
|
||||
|
||||
i. New application-callable function: rl_clear_history. Clears the history list
|
||||
and frees all readline-associated private data.
|
||||
|
||||
j. New user-settable variable, show-mode-in-prompt, adds a characters to the
|
||||
beginning of the prompt indicating the current editing mode.
|
||||
|
||||
k. New application-settable variable: rl_input_available_hook; function to be
|
||||
called when readline detects there is data available on its input file
|
||||
descriptor.
|
||||
|
||||
l. Readline calls an application-set event hook (rl_event_hook) after it gets
|
||||
a signal while reading input (read returns -1/EINTR but readline does not
|
||||
handle the signal immediately) to allow the application to handle or
|
||||
otherwise note it.
|
||||
|
||||
m. If the user-settable variable `history-size' is set to a value less than
|
||||
0, the history list size is unlimited.
|
||||
|
||||
n. New application-settable variable: rl_signal_event_hook; function that is
|
||||
called when readline is reading terminal input and read(2) is interrupted
|
||||
by a signal. Currently not called for SIGHUP or SIGTERM.
|
||||
Reference in New Issue
Block a user