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FS-7866: fix crash when running incorrect var api expansion syntax "eval ${${external_sip_ip}:4}"

This commit is contained in:
Michael Jerris 2015-07-21 12:23:21 -05:00
parent 0d06e6524a
commit 6b68cf4beb
1 changed files with 15 additions and 14 deletions
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3
src/switch_event.c
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@ -2365,6 +2365,7 @@ SWITCH_DECLARE(char *) switch_event_expand_headers_check(switch_event_t *event,
} }
} }
if (sub_val) {
if (offset || ooffset) { if (offset || ooffset) {
cloned_sub_val = strdup(sub_val); cloned_sub_val = strdup(sub_val);
switch_assert(cloned_sub_val); switch_assert(cloned_sub_val);
@ -2382,7 +2383,7 @@ SWITCH_DECLARE(char *) switch_event_expand_headers_check(switch_event_t *event,
*ptr = '\0'; *ptr = '\0';
} }
} }
}
switch_safe_free(expanded); switch_safe_free(expanded);
} else { } else {