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Patch: pdksh-5.2.14-patches2.patch
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--- pdksh-5.2.14/exec.c.patches2 Sun Feb 25 11:54:11 2001
+++ pdksh-5.2.14/exec.c Sun Feb 25 11:54:14 2001
@@ -76,6 +76,7 @@
{
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;
@@ -157,6 +158,7 @@
case TPAREN:
rv = execute(t->left, flags|XFORK);
+ rv_prop = 1;
break;
case TPIPE:
@@ -275,6 +277,7 @@
rv = execute(t->right, flags & XERROK);
else
flags |= XERROK;
+ rv_prop = 1;
break;
case TBANG:
@@ -323,6 +326,7 @@
}
}
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);
@@ -334,6 +338,7 @@
for (;;) {
if (!(cp = do_selectargs(ap, is_first))) {
rv = 1;
+ rv_prop = 0;
break;
}
is_first = FALSE;
@@ -365,6 +370,7 @@
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:
@@ -374,6 +380,7 @@
rv = execute(t->left, XERROK) == 0 ?
execute(t->right->left, flags & XERROK) :
execute(t->right->right, flags & XERROK);
+ rv_prop = 1;
break;
case TCASE:
@@ -386,10 +393,12 @@
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:
@@ -401,6 +410,7 @@
* (allows "ls -l | time grep foo").
*/
rv = timex(t, flags & ~XEXEC);
+ rv_prop = 1;
break;
case TEXEC: /* an eval'd TCOM */
@@ -428,7 +438,7 @@
quitenv(); /* 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_);