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ash,hush: make trap output short signal names, without SIG prefix

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function                                             old     new   delta
evalvar                                             1373    1371      -2
builtin_trap                                         457     441     -16
trapcmd                                              260     236     -24

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2009-09-27 02:05:45 +02:00
parent 6c750f1518
commit e74aaf9385
6 changed files with 28 additions and 22 deletions
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9
shell/ash.c
View File

@ -12267,13 +12267,16 @@ trapcmd(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
for (signo = 0; signo < NSIG; signo++) {
char *tr = trap_ptr[signo];
if (tr) {
out1fmt("trap -- %s %s%s\n",
/* note: bash adds "SIG", but only if invoked
* as "bash". If called as "sh", or if set -o posix,
* then it prints short signal names.
* We are printing short names: */
out1fmt("trap -- %s %s\n",
single_quote(tr),
(signo == 0 ? "" : "SIG"),
get_signame(signo));
/* trap_ptr != trap only if we are in special-cased `trap` code.
* In this case, we will exit very soon, no need to free(). */
/* if (trap_ptr != trap) */
/* if (trap_ptr != trap && tp[0]) */
/* free(tr); */
}
}

6
shell/ash_test/ash-signals/savetrap.right
View File

@ -1,8 +1,8 @@
trap -- 'echo Exiting' EXIT
trap -- 'echo WINCH!' SIGWINCH
trap -- 'echo WINCH!' WINCH
trap -- 'echo Exiting' EXIT
trap -- 'echo WINCH!' SIGWINCH
trap -- 'echo WINCH!' WINCH
trap -- 'echo Exiting' EXIT
trap -- 'echo WINCH!' SIGWINCH
trap -- 'echo WINCH!' WINCH
Done
Exiting

10
shell/ash_test/ash-signals/signal1.right
View File

@ -1,20 +1,20 @@
got signal
trap -- 'echo got signal' SIGUSR1
trap -- 'echo got signal' USR1
sent 1 signal
got signal
wait interrupted
trap -- 'echo got signal' SIGUSR1
trap -- 'echo got signal' USR1
sent 2 signal
got signal
wait interrupted
trap -- 'echo got signal' SIGUSR1
trap -- 'echo got signal' USR1
sent 3 signal
got signal
wait interrupted
trap -- 'echo got signal' SIGUSR1
trap -- 'echo got signal' USR1
sent 4 signal
got signal
wait interrupted
trap -- 'echo got signal' SIGUSR1
trap -- 'echo got signal' USR1
sent 5 signal
sleep completed

7
shell/hush.c
View File

@ -7111,8 +7111,11 @@ static int FAST_FUNC builtin_trap(char **argv)
if (G.traps[i]) {
printf("trap -- ");
print_escaped(G.traps[i]);
/* bash compat: it says SIGxxx, not just xxx */
printf(" %s%s\n", i == 0 ? "" : "SIG", get_signame(i));
/* note: bash adds "SIG", but only if invoked
* as "bash". If called as "sh", or if set -o posix,
* then it prints short signal names.
* We are printing short names: */
printf(" %s\n", get_signame(i));
}
}
/*fflush(stdout); - done after each builtin anyway */

6
shell/hush_test/hush-trap/savetrap.right
View File

@ -1,8 +1,8 @@
trap -- 'echo Exiting' EXIT
trap -- 'echo WINCH!' SIGWINCH
trap -- 'echo WINCH!' WINCH
trap -- 'echo Exiting' EXIT
trap -- 'echo WINCH!' SIGWINCH
trap -- 'echo WINCH!' WINCH
trap -- 'echo Exiting' EXIT
trap -- 'echo WINCH!' SIGWINCH
trap -- 'echo WINCH!' WINCH
Done
Exiting

12
shell/hush_test/hush-trap/usage.right
View File

@ -2,13 +2,13 @@ ___
___
___
trap -- 'a' EXIT
trap -- 'a' SIGINT
trap -- 'a' SIGUSR1
trap -- 'a' SIGUSR2
trap -- 'a' INT
trap -- 'a' USR1
trap -- 'a' USR2
___
___
trap -- 'a' SIGUSR1
trap -- 'a' SIGUSR2
trap -- 'a' USR1
trap -- 'a' USR2
___
___
trap -- 'a' SIGUSR2
trap -- 'a' USR2