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Check if environ is actually set before we use it

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Some applications seem to set **environ to NULL for various reasons.
Before we iterate through it we thus need to make sure it is actually
set to make sure we don't segfault.

Closes rhbz #473080
This commit is contained in:
Lennart Poettering 2008-12-16 14:03:40 +01:00
parent 2ee9276d97
commit 7013849354
1 changed files with 21 additions and 14 deletions
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7
src/pulsecore/proplist-util.c
View file

@ -44,6 +44,12 @@ void pa_init_proplist(pa_proplist *p) {
pa_assert(p); pa_assert(p);
if (environ) {
/* Some applications seem to reset environ to NULL for various
* reasons, hence we need to check for this explicitly. See
* rhbz #473080 */
for (e = environ; *e; e++) { for (e = environ; *e; e++) {
if (pa_startswith(*e, "PULSE_PROP_")) { if (pa_startswith(*e, "PULSE_PROP_")) {
@ -67,6 +73,7 @@ void pa_init_proplist(pa_proplist *p) {
pa_xfree(k); pa_xfree(k);
} }
} }
}
if (!pa_proplist_contains(p, PA_PROP_APPLICATION_PROCESS_ID)) { if (!pa_proplist_contains(p, PA_PROP_APPLICATION_PROCESS_ID)) {
char t[32]; char t[32];