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slackbuilds_ponce/system/pdksh/patches/111_mksh-set-e.patch
Daniel LEVAI 6ec76a9860 system/pdksh: Added to 13.0 repository
2010-05-13 01:01:03 +02:00

422 lines
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Fix `set -e' handling from mksh (see bugs #71256, #546332, closes: #387755).
Index: pdksh-5.2.14/exec.c
===================================================================
--- pdksh-5.2.14.orig/exec.c 2009-09-19 11:54:58.000000000 +0200
+++ pdksh-5.2.14/exec.c 2009-09-19 11:55:01.000000000 +0200
@@ -15,7 +15,7 @@
#endif /* KSH */
static int comexec ARGS((struct op *t, struct tbl *volatile tp, char **ap,
- int volatile flags));
+ int volatile flags, volatile int * volatile xerrok));
static void scriptexec ARGS((struct op *tp, char **ap));
static int call_builtin ARGS((struct tbl *tp, char **wp));
static int iosetup ARGS((struct ioword *iop, struct tbl *tp));
@@ -70,12 +70,13 @@
* execute command tree
*/
int
-execute(t, flags)
+execute(t, flags, xerrok)
struct op * volatile t;
volatile int flags; /* if XEXEC don't fork */
+ volatile int * volatile xerrok;
{
int i;
- volatile int rv = 0;
+ volatile int rv = 0, dummy = 0;
int pv[2];
char ** volatile ap;
char *s, *cp;
@@ -85,6 +86,10 @@
if (t == NULL)
return 0;
+ /* Caller doesn't care if XERROK should propagate. */
+ if (xerrok == NULL)
+ xerrok = &dummy;
+
/* Is this the end of a pipeline? If so, we want to evaluate the
* command arguments
bool_t eval_done = FALSE;
@@ -94,7 +99,7 @@
}
*/
if ((flags&XFORK) && !(flags&XEXEC) && t->type != TPIPE)
- return exchild(t, flags & ~XTIME, -1); /* run in sub-process */
+ return exchild(t, flags & ~XTIME, xerrok, -1); /* run in sub-process */
newenv(E_EXEC);
if (trap)
@@ -152,11 +157,11 @@
switch(t->type) {
case TCOM:
- rv = comexec(t, tp, ap, flags);
+ rv = comexec(t, tp, ap, flags, xerrok);
break;
case TPAREN:
- rv = execute(t->left, flags|XFORK);
+ rv = execute(t->left, flags|XFORK, xerrok);
break;
case TPIPE:
@@ -173,7 +178,7 @@
* (: ; cat /etc/termcap) | sleep 1
* will hang forever).
*/
- exchild(t->left, flags|XPIPEO|XCCLOSE, pv[0]);
+ exchild(t->left, flags|XPIPEO|XCCLOSE, NULL, pv[0]);
(void) ksh_dup2(pv[0], 0, FALSE); /* stdin of next */
closepipe(pv);
flags |= XPIPEI;
@@ -182,17 +187,17 @@
restfd(1, e->savefd[1]); /* stdout of last */
e->savefd[1] = 0; /* no need to re-restore this */
/* Let exchild() close 0 in parent, after fork, before wait */
- i = exchild(t, flags|XPCLOSE, 0);
+ i = exchild(t, flags|XPCLOSE, xerrok, 0);
if (!(flags&XBGND) && !(flags&XXCOM))
rv = i;
break;
case TLIST:
while (t->type == TLIST) {
- execute(t->left, flags & XERROK);
+ execute(t->left, flags & XERROK, NULL);
t = t->right;
}
- rv = execute(t, flags & XERROK);
+ rv = execute(t, flags & XERROK, xerrok);
break;
#ifdef KSH
@@ -257,7 +262,7 @@
*/
flags &= ~XEXEC;
exchild(t->left, flags|XBGND|XFORK|XCOPROC|XCCLOSE,
- coproc.readw);
+ NULL, coproc.readw);
break;
}
#endif /* KSH */
@@ -267,20 +272,24 @@
* forks again for async... parent should optimize
* this to "foo &"...
*/
- rv = execute(t->left, (flags&~XEXEC)|XBGND|XFORK);
+ rv = execute(t->left, (flags&~XEXEC)|XBGND|XFORK, xerrok);
break;
case TOR:
case TAND:
- rv = execute(t->left, XERROK);
- if (t->right != NULL && (rv == 0) == (t->type == TAND))
- rv = execute(t->right, flags & XERROK);
- else
- flags |= XERROK;
+ rv = execute(t->left, XERROK, xerrok);
+ if ((rv == 0) == (t->type == TAND))
+ rv = execute(t->right, XERROK, xerrok);
+ flags |= XERROK;
+ if (xerrok)
+ *xerrok = 1;
break;
case TBANG:
- rv = !execute(t->right, XERROK);
+ rv = !execute(t->right, XERROK, xerrok);
+ flags |= XERROK;
+ if (xerrok)
+ *xerrok = 1;
break;
#ifdef KSH
@@ -328,7 +337,7 @@
if (t->type == TFOR) {
while (*ap != NULL) {
setstr(global(t->str), *ap++, KSH_UNWIND_ERROR);
- rv = execute(t->left, flags & XERROK);
+ rv = execute(t->left, flags & XERROK, xerrok);
}
}
#ifdef KSH
@@ -340,7 +349,7 @@
}
is_first = FALSE;
setstr(global(t->str), cp, KSH_UNWIND_ERROR);
- rv = execute(t->left, flags & XERROK);
+ rv = execute(t->left, flags & XERROK, xerrok);
}
}
}
@@ -365,17 +374,17 @@
}
}
rv = 0; /* in case of a continue */
- while ((execute(t->left, XERROK) == 0) == (t->type == TWHILE))
- rv = execute(t->right, flags & XERROK);
+ while ((execute(t->left, XERROK, NULL) == 0) == (t->type == TWHILE))
+ rv = execute(t->right, flags & XERROK, xerrok);
break;
case TIF:
case TELIF:
if (t->right == NULL)
break; /* should be error */
- rv = execute(t->left, XERROK) == 0 ?
- execute(t->right->left, flags & XERROK) :
- execute(t->right->right, flags & XERROK);
+ rv = execute(t->left, XERROK, NULL) == 0 ?
+ execute(t->right->left, flags & XERROK, xerrok) :
+ execute(t->right->right, flags & XERROK, xerrok);
break;
case TCASE:
@@ -387,11 +396,11 @@
goto Found;
break;
Found:
- rv = execute(t->left, flags & XERROK);
+ rv = execute(t->left, flags & XERROK, xerrok);
break;
case TBRACE:
- rv = execute(t->left, flags & XERROK);
+ rv = execute(t->left, flags & XERROK, xerrok);
break;
case TFUNCT:
@@ -402,7 +411,7 @@
/* Clear XEXEC so nested execute() call doesn't exit
* (allows "ls -l | time grep foo").
*/
- rv = timex(t, flags & ~XEXEC);
+ rv = timex(t, flags & ~XEXEC, xerrok);
break;
case TEXEC: /* an eval'd TCOM */
@@ -430,7 +439,8 @@
quitenv(); /* restores IO */
if ((flags&XEXEC))
unwind(LEXIT); /* exit child */
- if (rv != 0 && !(flags & XERROK)) {
+ if (rv != 0 && !(flags & XERROK)
+ && (xerrok == NULL || !*xerrok)) {
if (Flag(FERREXIT))
unwind(LERROR);
trapsig(SIGERR_);
@@ -443,11 +453,12 @@
*/
static int
-comexec(t, tp, ap, flags)
+comexec(t, tp, ap, flags, xerrok)
struct op *t;
struct tbl *volatile tp;
register char **ap;
int volatile flags;
+ volatile int * volatile xerrok;
{
int i;
volatile int rv = 0;
@@ -660,7 +671,7 @@
i = ksh_sigsetjmp(e->jbuf, 0);
if (i == 0) {
/* seems odd to pass XERROK here, but at&t ksh does */
- exstat = execute(tp->val.t, flags & XERROK);
+ exstat = execute(tp->val.t, flags & XERROK, xerrok);
i = LRETURN;
}
kshname = old_kshname;
@@ -737,7 +748,7 @@
texec.left = t; /* for tprint */
texec.str = tp->val.s;
texec.args = ap;
- rv = exchild(&texec, flags, -1);
+ rv = exchild(&texec, flags, xerrok, -1);
break;
}
Leave:
Index: pdksh-5.2.14/c_sh.c
===================================================================
--- pdksh-5.2.14.orig/c_sh.c 2009-09-19 11:54:58.000000000 +0200
+++ pdksh-5.2.14/c_sh.c 2009-09-19 11:55:01.000000000 +0200
@@ -725,9 +725,10 @@
* time pipeline (really a statement, not a built-in command)
*/
int
-timex(t, f)
+timex(t, f, xerrok)
struct op *t;
int f;
+ volatile int * xerrok;
{
#define TF_NOARGS BIT(0)
#define TF_NOREAL BIT(1) /* don't report real time */
@@ -753,7 +754,7 @@
if (t->left->type == TCOM)
t->left->str = opts;
opts[0] = 0;
- rv = execute(t->left, f | XTIME);
+ rv = execute(t->left, f | XTIME, xerrok);
tf |= opts[0];
t1t = ksh_times(&t1);
} else
Index: pdksh-5.2.14/eval.c
===================================================================
--- pdksh-5.2.14.orig/eval.c 2009-09-19 11:54:58.000000000 +0200
+++ pdksh-5.2.14/eval.c 2009-09-19 11:55:01.000000000 +0200
@@ -877,7 +877,7 @@
close(pv[1]);
}
- execute(t, XFORK|XXCOM|XPIPEO);
+ execute(t, XFORK|XXCOM|XPIPEO, NULL);
restfd(1, ofd1);
startlast();
xp->split = 1; /* waitlast() */
Index: pdksh-5.2.14/jobs.c
===================================================================
--- pdksh-5.2.14.orig/jobs.c 2009-09-19 11:54:58.000000000 +0200
+++ pdksh-5.2.14/jobs.c 2009-09-19 11:55:01.000000000 +0200
@@ -443,9 +443,10 @@
/* execute tree in child subprocess */
int
-exchild(t, flags, close_fd)
+exchild(t, flags, xerrok, close_fd)
struct op *t;
int flags;
+ volatile int *xerrok;
int close_fd; /* used if XPCLOSE or XCCLOSE */
{
static Proc *last_proc; /* for pipelines */
@@ -464,7 +465,7 @@
/* Clear XFORK|XPCLOSE|XCCLOSE|XCOPROC|XPIPEO|XPIPEI|XXCOM|XBGND
* (also done in another execute() below)
*/
- return execute(t, flags & (XEXEC | XERROK));
+ return execute(t, flags & (XEXEC | XERROK), xerrok);
#ifdef JOB_SIGS
/* no SIGCHLD's while messing with job and process lists */
@@ -659,7 +660,7 @@
#endif /* OS2 */
tty_close();
cleartraps();
- execute(t, (flags & XERROK) | XEXEC); /* no return */
+ execute(t, (flags & XERROK) | XEXEC, xerrok); /* no return */
internal_errorf(0, "exchild: execute() returned");
unwind(LLEAVE);
/* NOTREACHED */
Index: pdksh-5.2.14/main.c
===================================================================
--- pdksh-5.2.14.orig/main.c 2009-09-19 11:54:58.000000000 +0200
+++ pdksh-5.2.14/main.c 2009-09-19 11:55:01.000000000 +0200
@@ -634,7 +634,7 @@
}
if (t && (!Flag(FNOEXEC) || (s->flags & SF_TTY)))
- exstat = execute(t, 0);
+ exstat = execute(t, 0, NULL);
if (t != NULL && t->type != TEOF && interactive && really_exit)
really_exit = 0;
Index: pdksh-5.2.14/proto.h
===================================================================
--- pdksh-5.2.14.orig/proto.h 2009-09-19 11:54:58.000000000 +0200
+++ pdksh-5.2.14/proto.h 2009-09-19 11:55:01.000000000 +0200
@@ -42,7 +42,7 @@
int c_unset ARGS((char **wp));
int c_ulimit ARGS((char **wp));
int c_times ARGS((char **wp));
-int timex ARGS((struct op *t, int f));
+int timex ARGS((struct op *t, int f, volatile int *xerrok));
void timex_hook ARGS((struct op *t, char ** volatile *app));
int c_exec ARGS((char **wp));
int c_builtin ARGS((char **wp));
@@ -65,7 +65,7 @@
int glob_str ARGS((char *cp, XPtrV *wp, int markdirs));
/* exec.c */
int fd_clexec ARGS((int fd));
-int execute ARGS((struct op * volatile t, volatile int flags));
+int execute ARGS((struct op * volatile t, volatile int flags, volatile int * volatile xerrok));
int shcomexec ARGS((char **wp));
struct tbl * findfunc ARGS((const char *name, unsigned int h, int create));
int define ARGS((const char *name, struct op *t));
@@ -138,7 +138,7 @@
void j_init ARGS((int mflagset));
void j_exit ARGS((void));
void j_change ARGS((void));
-int exchild ARGS((struct op *t, int flags, int close_fd));
+int exchild ARGS((struct op *t, int flags, volatile int * xerrok, int close_fd));
void startlast ARGS((void));
int waitlast ARGS((void));
int waitfor ARGS((const char *cp, int *sigp));
Index: pdksh-5.2.14/tests/debian-111.t
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ pdksh-5.2.14/tests/debian-111.t 2009-09-19 12:02:51.000000000 +0200
@@ -0,0 +1,60 @@
+name: debian-111-1
+description:
+ Check set -e regression
+stdin:
+ set -e; true; false && true; echo OK
+expected-stdout:
+ OK
+---
+name: debian-111-2
+description:
+ Regression for #387755
+stdin:
+ set -e
+ ! true
+ ! false
+ echo OK
+expected-stdout:
+ OK
+---
+name: debian-111-3
+description:
+ Regression for #387755
+stdin:
+ set -e; (false); echo here
+expected-stdout:
+expected-fail: yes
+---
+name: debian-111-4
+description:
+ Regression for #387755
+stdin:
+ set +e; (false); echo here
+expected-stdout:
+ here
+---
+name: debian-111-5
+description:
+ Regression for #71256
+stdin:
+ set -e
+ if true; then
+ false && echo something
+ fi
+ echo OK
+expected-stdout:
+ OK
+---
+name: debian-111-6
+description:
+ Regression for #71256
+stdin:
+ set +e
+ if true; then
+ false && echo something
+ fi
+ echo OK
+expected-stdout:
+ OK
+---
+
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