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ash: protect WIFSTOPPED use with #if JOBS

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This change fixes the build in setups where there are
no headers defining WIFSTOPPED and WSTOPSIG (where JOBS has to be
set to 0).

This partially reverts 4700fb5be (ash: make dowait() a bit more
readable. Logic is unchanged, 2015-10-09).

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Johannes Schindelin 2017-07-14 22:25:58 +02:00 committed by Denys Vlasenko
parent 7d7c7bb220
commit 9d4dc84a76
1 changed files with 9 additions and 3 deletions
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12
shell/ash.c
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@ -4022,15 +4022,19 @@ sprint_status48(char *s, int status, int sigonly)
col = 0;
if (!WIFEXITED(status)) {
if (JOBS && WIFSTOPPED(status))
#if JOBS
if (WIFSTOPPED(status))
st = WSTOPSIG(status);
else
#endif
st = WTERMSIG(status);
if (sigonly) {
if (st == SIGINT || st == SIGPIPE)
goto out;
if (JOBS && WIFSTOPPED(status))
#if JOBS
if (WIFSTOPPED(status))
goto out;
#endif
}
st &= 0x7f;
//TODO: use bbox's get_signame? strsignal adds ~600 bytes to text+rodata
@ -4182,8 +4186,10 @@ dowait(int block, struct job *job)
goto out;
}
/* The process wasn't found in job list */
if (JOBS && !WIFSTOPPED(status))
#if JOBS
if (!WIFSTOPPED(status))
jobless--;
#endif
out:
INT_ON;