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new upstream patch ftp://ftp.cs.mun.ca/pub/pdksh/pdksh-5.2.14-patches.2 

from maintainer via Debian PR #71256
This commit is contained in:
tg 2005-05-25 11:31:15 +00:00
parent 7305a6db5e
commit d0ce928ea8
1 changed files with 13 additions and 3 deletions
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16
exec.c
View File

@ -1,11 +1,11 @@
/** $MirOS: src/bin/mksh/exec.c,v 1.2 2005/05/23 15:18:16 tg Exp $ */
/** $MirOS: src/bin/mksh/exec.c,v 1.3 2005/05/25 11:31:15 tg Exp $ */
/* $OpenBSD: exec.c,v 1.41 2005/03/30 17:16:37 deraadt Exp $ */
#include "sh.h"
#include <sys/stat.h>
#include <ctype.h>
__RCSID("$MirOS: src/bin/mksh/exec.c,v 1.2 2005/05/23 15:18:16 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/exec.c,v 1.3 2005/05/25 11:31:15 tg Exp $");
static int comexec(struct op *, struct tbl *volatile, char **,
int volatile);
@ -30,6 +30,7 @@ execute(struct op *volatile t,
{
int i;
volatile int rv = 0;
volatile int rv_prop = 0; /* rv being propogated or newly generated? */
int pv[2];
char ** volatile ap;
char *s, *cp;
@ -111,6 +112,7 @@ execute(struct op *volatile t,
case TPAREN:
rv = execute(t->left, flags|XFORK);
rv_prop = 1;
break;
case TPIPE:
@ -223,6 +225,7 @@ execute(struct op *volatile t,
rv = execute(t->right, flags & XERROK);
else
flags |= XERROK;
rv_prop = 1;
break;
case TBANG:
@ -265,6 +268,7 @@ execute(struct op *volatile t,
}
}
rv = 0; /* in case of a continue */
rv_prop = 1;
if (t->type == TFOR) {
while (*ap != NULL) {
setstr(global(t->str), *ap++, KSH_UNWIND_ERROR);
@ -274,6 +278,7 @@ execute(struct op *volatile t,
for (;;) {
if (!(cp = do_selectargs(ap, is_first))) {
rv = 1;
rv_prop = 0;
break;
}
is_first = false;
@ -303,6 +308,7 @@ execute(struct op *volatile t,
rv = 0; /* in case of a continue */
while ((execute(t->left, XERROK) == 0) == (t->type == TWHILE))
rv = execute(t->right, flags & XERROK);
rv_prop = 1;
break;
case TIF:
@ -312,6 +318,7 @@ execute(struct op *volatile t,
rv = execute(t->left, XERROK) == 0 ?
execute(t->right->left, flags & XERROK) :
execute(t->right->right, flags & XERROK);
rv_prop = 1;
break;
case TCASE:
@ -324,10 +331,12 @@ execute(struct op *volatile t,
break;
Found:
rv = execute(t->left, flags & XERROK);
rv_prop = 1;
break;
case TBRACE:
rv = execute(t->left, flags & XERROK);
rv_prop = 1;
break;
case TFUNCT:
@ -339,6 +348,7 @@ execute(struct op *volatile t,
* (allows "ls -l | time grep foo").
*/
rv = timex(t, flags & ~XEXEC);
rv_prop = 1;
break;
case TEXEC: /* an eval'd TCOM */
@ -358,7 +368,7 @@ execute(struct op *volatile t,
quitenv(NULL); /* restores IO */
if ((flags&XEXEC))
unwind(LEXIT); /* exit child */
if (rv != 0 && !(flags & XERROK)) {
if (rv != 0 && !rv_prop && !(flags & XERROK)) {
if (Flag(FERREXIT))
unwind(LERROR);
trapsig(SIGERR_);