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dtoolutil: Fix UB when musl's dlinfo(RTLD_DI_LINKMAP) fails

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This commit is contained in:
Sam Edwards 2019-05-29 17:27:16 -06:00
parent 2e9395b766
commit 83c10d1a0b
1 changed files with 9 additions and 9 deletions
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4
dtool/src/dtoolutil/executionEnvironment.cxx
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@ -610,8 +610,7 @@ read_args() {
#else
void *self = dlopen(NULL, RTLD_NOW | RTLD_NOLOAD);
#endif
dlinfo(self, RTLD_DI_LINKMAP, &map);
if (dlinfo(self, RTLD_DI_LINKMAP, &map)) {
while (map != nullptr) {
const char *tail = strrchr(map->l_name, '/');
const char *head = strchr(map->l_name, '/');
@ -622,6 +621,7 @@ read_args() {
map = map->l_next;
}
}
}
#endif
#if defined(HAVE_PROC_SELF_MAPS) || defined(HAVE_PROC_CURPROC_MAP)