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don't deref NULL. Found by Klockwork (www.klocwork.com)

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git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@8468 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Michael Jerris 2008-05-19 18:43:01 +00:00
parent 5e7e1b999d
commit 41a0bc8fb6
1 changed files with 5 additions and 1 deletions
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6
src/switch_utils.c
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@ -568,12 +568,16 @@ SWITCH_DECLARE(char *) switch_strip_spaces(const char *str)
const char *sp = str;
char *p, *s = NULL;
while(sp && *sp && *sp == ' ') {
if (!sp) return NULL;
while(*sp == ' ') {
sp++;
}
s = strdup(sp);
if (!s) return NULL;
p = s + (strlen(s) - 1);
while(*p == ' ') {