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ash: more s/error/perror/ for better error reporting

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2017-08-23 14:52:56 +02:00
parent 687aac056d
commit 12ffefb549
1 changed files with 5 additions and 5 deletions
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10
shell/ash.c
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@ -4994,7 +4994,7 @@ forkchild(struct job *jp, union node *n, int mode)
if (jp->nprocs == 0) { if (jp->nprocs == 0) {
close(0); close(0);
if (open(bb_dev_null, O_RDONLY) != 0) if (open(bb_dev_null, O_RDONLY) != 0)
ash_msg_and_raise_error("can't open '%s'", bb_dev_null); ash_msg_and_raise_perror("can't open '%s'", bb_dev_null);
} }
} }
if (oldlvl == 0) { if (oldlvl == 0) {
@ -5083,7 +5083,7 @@ forkshell(struct job *jp, union node *n, int mode)
TRACE(("Fork failed, errno=%d", errno)); TRACE(("Fork failed, errno=%d", errno));
if (jp) if (jp)
freejob(jp); freejob(jp);
ash_msg_and_raise_error("can't fork"); ash_msg_and_raise_perror("can't fork");
} }
if (pid == 0) { if (pid == 0) {
CLEAR_RANDOM_T(&random_gen); /* or else $RANDOM repeats in child */ CLEAR_RANDOM_T(&random_gen); /* or else $RANDOM repeats in child */
@ -5226,7 +5226,7 @@ openhere(union node *redir)
size_t len = 0; size_t len = 0;
if (pipe(pip) < 0) if (pipe(pip) < 0)
ash_msg_and_raise_error("pipe call failed"); ash_msg_and_raise_perror("can't create pipe");
if (redir->type == NHERE) { if (redir->type == NHERE) {
len = strlen(redir->nhere.doc->narg.text); len = strlen(redir->nhere.doc->narg.text);
if (len <= PIPE_BUF) { if (len <= PIPE_BUF) {
@ -6288,7 +6288,7 @@ evalbackcmd(union node *n, struct backcmd *result)
} }
if (pipe(pip) < 0) if (pipe(pip) < 0)
ash_msg_and_raise_error("pipe call failed"); ash_msg_and_raise_perror("can't create pipe");
jp = makejob(/*n,*/ 1); jp = makejob(/*n,*/ 1);
if (forkshell(jp, n, FORK_NOJOB) == 0) { if (forkshell(jp, n, FORK_NOJOB) == 0) {
/* child */ /* child */
@ -9180,7 +9180,7 @@ evalpipe(union node *n, int flags)
if (lp->next) { if (lp->next) {
if (pipe(pip) < 0) { if (pipe(pip) < 0) {
close(prevfd); close(prevfd);
ash_msg_and_raise_error("pipe call failed"); ash_msg_and_raise_perror("can't create pipe");
} }
} }
if (forkshell(jp, lp->n, n->npipe.pipe_backgnd) == 0) { if (forkshell(jp, lp->n, n->npipe.pipe_backgnd) == 0) {