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commit bash-20100225 snapshot
This commit is contained in:
Chet Ramey
@@ -9495,3 +9495,87 @@ builtins/hash.def
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- change add_hashed_command to remove the command being looked up from
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the hash table before trying to add it. That way, if it's not found,
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there won't be anything remaining in the hash table
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2/26
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----
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trap.[ch]
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- move IMPOSSIBLE_TRAP_HANDLER define to trap.h so other parts of the
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shell can use it
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parse.y
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- change yy_readline_get to use IMPOSSIBLE_TRAP_HANDER instead of NULL
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as a sentinel value for the SIGINT signal handler
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- make sure yy_readline_get resets interrupt_immediately to 0 after
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calling readline() using the same criteria it used to set it to 1
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before the call -- make the code symmetric. Suggested by Werner
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Fink <werner@suse.de>
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builtins/read.def
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- move assignment to `retval' before decrement of interrupt_immediately
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and terminate_immediately and call to discard_unwind_frame
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- move assign_vars label before decrement of interrupt_immediately and
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terminate_immediately so those variables get reset appropriately
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if read -t times out
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subst.h
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- new define for Q_DOLBRACE, indicates double-quoted ${...}
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subst.c
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- in parameter_brace_expand, before calling parameter_brace_expand_rhs,
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add Q_DOLBRACE to `quoted' if we're within double quotes.
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- in expand_word_internal, if the Q_DOLBRACE flag is set, remove a
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backslash escaping a { or }. Result of a Posix discussion on the
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austin-group list
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2/27
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----
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variables.c
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- new functions to save and restore the PIPESTATUS variable's internal
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array: save_pipestatus_array and restore_pipestatus_array
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variables.h
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- new extern declarations for save_pipestatus_array and
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restore_pipestatus_array
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trap.c
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- in run_pending_traps, _run_trap_internal, and run_exit_trap, save
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and restore $PIPESTATUS while traps are running. Fixes bug
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reported by Florian Bruhin <me@the-compiler.org>
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parse.y
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- use save_pipestatus_array and restore_pipestatus_array in
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save_parser_state and restore_parser_state, respectively, replacing
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inline code
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lib/readline/histfile.c
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- fix callers of history_filename to be prepared to cope with it
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returning NULL
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- change history_filename to return NULL if $HOME is not set, rather
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than trying to write the history file in the current directory.
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This is the default directory, used only if the application does
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not specify a history filename. Changed due to long-ago (unsent)
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bug report from OpenBSD
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{Makefile,config.h,configure}.in,externs.h,lib/sh/{dprintf.c,Makefile.in}
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- change fdprintf to dprintf, which is the Posix standard interface,
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look for it with configure, replace it if not available
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2/28
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----
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command.h
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- add new subshell flag, SUBSHELL_RESETTRAP. Indicates to the trap
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builtin that the shell is executing a command substitution and
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should free the trap strings we left unfreed by reset_signal_handlers()
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trap.c
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- free_trap_string() and free_trap_strings() are now compiled in
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builtins/trap.def
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- if changing a signal disposition and the SUBSHELL_RESETTRAP flag is
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set in subshell_environment, free the trap strings left unfreed by
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reset_signal_handlers
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subst.c
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- in command_substitute, set the SUBSHELL_RESETTRAP flag. This change
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is for Austin Group Posix interpretation 53
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(http://austingroupbugs.net/view.php?id=53)
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+104
-1
@@ -9475,4 +9475,107 @@ builtins/exec.def
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shell.c
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- if exec_argv0 is set, set dollar_vars[0] to it and set it to NULL,
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assuming it was set by `exec -a'. `exec -a foo' now sets $0 to
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foo in an executable shell script without a leading `#!'
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foo in an executable shell script without a leading `#!' (fixes
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longstanding bug)
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2/8
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---
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variables.c
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- in push_func_var, if a variable is in a special builtin's temporary
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environment and needs to be propagated because we're in Posix mode,
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or we just need to propagate a variable, and we are executing in a
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function without any local variables (so the function-local variable
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context has no variable hash table), make sure we create a hash
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table so we have a place to save the variable to be propagated.
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Fixes bug reported by Crestez Dan Leonard <cdleonard@gmail.com>.
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2/18
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----
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builtins/hash.def
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- change add_hashed_command to remove the command being looked up from
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the hash table before trying to add it. That way, if it's not found,
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there won't be anything remaining in the hash table
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2/26
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----
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trap.[ch]
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- move IMPOSSIBLE_TRAP_HANDLER define to trap.h so other parts of the
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shell can use it
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parse.y
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- change yy_readline_get to use IMPOSSIBLE_TRAP_HANDER instead of NULL
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as a sentinel value for the SIGINT signal handler
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- make sure yy_readline_get resets interrupt_immediately to 0 after
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calling readline() using the same criteria it used to set it to 1
|
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before the call -- make the code symmetric. Suggested by Werner
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Fink <werner@suse.de>
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builtins/read.def
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- move assignment to `retval' before decrement of interrupt_immediately
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and terminate_immediately and call to discard_unwind_frame
|
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- move assign_vars label before decrement of interrupt_immediately and
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terminate_immediately so those variables get reset appropriately
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if read -t times out
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subst.h
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- new define for Q_DOLBRACE, indicates double-quoted ${...}
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subst.c
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- in parameter_brace_expand, before calling parameter_brace_expand_rhs,
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add Q_DOLBRACE to `quoted' if we're within double quotes.
|
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- in expand_word_internal, if the Q_DOLBRACE flag is set, remove a
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backslash escaping a { or }. Result of a Posix discussion on the
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austin-group list
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2/27
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----
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variables.c
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- new functions to save and restore the PIPESTATUS variable's internal
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array: save_pipestatus_array and restore_pipestatus_array
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variables.h
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- new extern declarations for save_pipestatus_array and
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restore_pipestatus_array
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trap.c
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- in run_pending_traps, _run_trap_internal, and run_exit_trap, save
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and restore $PIPESTATUS while traps are running. Fixes bug
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reported by Florian Bruhin <me@the-compiler.org>
|
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parse.y
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- use save_pipestatus_array and restore_pipestatus_array in
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save_parser_state and restore_parser_state, respectively, replacing
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inline code
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lib/readline/histfile.c
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- fix callers of history_filename to be prepared to cope with it
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returning NULL
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- change history_filename to return NULL if $HOME is not set, rather
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than trying to write the history file in the current directory.
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This is the default directory, used only if the application does
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not specify a history filename. Changed due to long-ago (unsent)
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bug report from OpenBSD
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{Makefile,config.h,configure}.in,externs.h,lib/sh/{dprintf.c,Makefile.in}
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- change fdprintf to dprintf, which is the Posix standard interface,
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look for it with configure, replace it if not available
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2/28
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----
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command.h
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- add new subshell flag, SUBSHELL_RESETTRAP. Indicates to the trap
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builtin that the shell is executing a command substitution and
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should free the trap strings we left unfreed by reset_signal_handlers()
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trap.c
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- free_trap_string() and free_trap_strings() are now compiled in
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builtins/trap.def
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- if changing a signal disposition and the SUBSHELL_RESETTRAP flag is
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set in subshell_environment, free the trap strings left unfreed by
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reset_signal_handlers
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subst.c
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- in command_substitute, set the SUBSHELL_RESETTRAP flag. This change
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is for Austin Group Posix interpretation 53
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(http://austingroupbugs.net/view.php?id=53)
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