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pacsort: test string is not NULL before strlen

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Signed-off-by: Allan McRae <allan@archlinux.org>
This commit is contained in:
Allan McRae 2015-02-25 01:01:49 +10:00
parent d9b5cb238d
commit 9f1c5f0251
1 changed files with 5 additions and 1 deletions
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6
src/util/pacsort.c
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@ -399,9 +399,13 @@ static int vercmp(const void *p1, const void *p2)
static char escape_char(const char *string)
{
if(!string) {
return -1;
}
const size_t len = strlen(string);
if(!string || len > 2) {
if(len > 2) {
return -1;
}