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new BASH_MONOSECONDS, BASH_TRAPSIG variables; make checkwinsize work in subshells of interactive shells; fix for declare -f and function names containing `='

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This commit is contained in:
Chet Ramey
2023-06-20 10:10:11 -04:00
parent b91488b51c
commit fc29a02404
24 changed files with 10412 additions and 10148 deletions
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variables.c
+29
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@@ -218,6 +218,8 @@ static SHELL_VAR *assign_seconds (SHELL_VAR *, char *, arrayind_t, char *);
static SHELL_VAR *get_seconds (SHELL_VAR *);
static SHELL_VAR *init_seconds_var (void);
static SHELL_VAR *get_monoseconds (SHELL_VAR *);
static SHELL_VAR *assign_random (SHELL_VAR *, char *, arrayind_t, char *);
static SHELL_VAR *get_random (SHELL_VAR *);
@@ -1360,6 +1362,31 @@ init_seconds_var (void)
return v;
}
/* Functions for BASH_MONOSECONDS */
static SHELL_VAR *
get_monoseconds (SHELL_VAR *self)
{
int ret;
intmax_t nval;
struct timeval tv;
#if defined (HAVE_CLOCK_GETTIME) && defined (CLOCK_MONOTONIC)
struct timespec ts;
ret = clock_gettime (CLOCK_MONOTONIC, &ts);
if (ret == 0)
{
nval = ts.tv_sec;
return (set_int_value (self, nval, integer_p (self) != 0));
}
#endif
/* Fall back to gettimeofday if clock_gettime not available or fails */
ret = gettimeofday (&tv, NULL);
nval = tv.tv_sec;
return (set_int_value (self, nval, integer_p (self) != 0));
}
/* Functions for $RANDOM and $SRANDOM */
int last_random_value;
@@ -1827,6 +1854,8 @@ initialize_dynamic_variables (void)
INIT_DYNAMIC_VAR ("BASH_COMMAND", (char *)NULL, get_bash_command, (sh_var_assign_func_t *)NULL);
INIT_DYNAMIC_VAR ("BASH_SUBSHELL", (char *)NULL, get_subshell, assign_subshell);
INIT_DYNAMIC_VAR ("BASH_MONOSECONDS", (char *)NULL, get_monoseconds, (sh_var_assign_func_t *)NULL);
INIT_DYNAMIC_VAR ("RANDOM", (char *)NULL, get_random, assign_random);
VSETATTR (v, att_integer);
INIT_DYNAMIC_VAR ("SRANDOM", (char *)NULL, get_urandom, (sh_var_assign_func_t *)NULL);