SUSv4 says that there be exit 127; the old code tried but failed, so it

was an actual programmatical bug…
This commit is contained in:
tg 2009-09-29 12:28:13 +00:00
parent c8955138ec
commit ff8b75f46f
3 changed files with 34 additions and 8 deletions

26
check.t
View File

@ -1,4 +1,4 @@
# $MirOS: src/bin/mksh/check.t,v 1.311 2009/09/26 03:39:57 tg Exp $
# $MirOS: src/bin/mksh/check.t,v 1.312 2009/09/29 12:28:12 tg Exp $
# $OpenBSD: bksl-nl.t,v 1.2 2001/01/28 23:04:56 niklas Exp $
# $OpenBSD: history.t,v 1.5 2001/01/28 23:04:56 niklas Exp $
# $OpenBSD: read.t,v 1.3 2003/03/10 03:48:16 david Exp $
@ -25,7 +25,7 @@
# http://www.research.att.com/~gsf/public/ifs.sh
expected-stdout:
@(#)MIRBSD KSH R39 2009/09/25
@(#)MIRBSD KSH R39 2009/09/29
description:
Check version of shell.
stdin:
@ -6425,3 +6425,25 @@ expected-stdout:
exiting
bar: global
---
name: susv4-exit-enoent-1
description:
SUSv4 says that the shell should exit with 126/127 in some situations
stdin:
i=0
echo : >x
"$__progname" ./x >/dev/null 2>&1; r=$?; echo $((i++)) $r .
"$__progname" -c ./x >/dev/null 2>&1; r=$?; echo $((i++)) $r .
echo exit 42 >x
"$__progname" ./x >/dev/null 2>&1; r=$?; echo $((i++)) $r .
"$__progname" -c ./x >/dev/null 2>&1; r=$?; echo $((i++)) $r .
rm -f x
"$__progname" ./x >/dev/null 2>&1; r=$?; echo $((i++)) $r .
"$__progname" -c ./x >/dev/null 2>&1; r=$?; echo $((i++)) $r .
expected-stdout:
0 0 .
1 126 .
2 42 .
3 126 .
4 127 .
5 127 .
---

12
main.c
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@ -33,7 +33,7 @@
#include <locale.h>
#endif
__RCSID("$MirOS: src/bin/mksh/main.c,v 1.150 2009/09/27 10:31:06 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/main.c,v 1.151 2009/09/29 12:28:13 tg Exp $");
extern char **environ;
@ -320,13 +320,17 @@ main(int argc, const char *argv[])
kshname = argv[argi++];
} else if (argi < argc && !Flag(FSTDIN)) {
s = pushs(SFILE, ATEMP);
s->file = kshname = argv[argi++];
s->file = argv[argi++];
s->u.shf = shf_open(s->file, O_RDONLY, 0,
SHF_MAPHI | SHF_CLEXEC);
if (s->u.shf == NULL) {
exstat = 127; /* POSIX */
errorf("%s: %s", s->file, strerror(errno));
shl_stdout_ok = 0;
warningf(true, "%s: %s", s->file, strerror(errno));
/* mandated by SUSv4 */
exstat = 127;
unwind(LERROR);
}
kshname = s->file;
} else {
Flag(FSTDIN) = 1;
s = pushs(SSTDIN, ATEMP);

4
sh.h
View File

@ -134,9 +134,9 @@
#endif
#ifdef EXTERN
__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.350 2009/09/26 04:01:33 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.351 2009/09/29 12:28:13 tg Exp $");
#endif
#define MKSH_VERSION "R39 2009/09/25"
#define MKSH_VERSION "R39 2009/09/29"
#ifndef MKSH_INCLUDES_ONLY