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fail on null string for arguments

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Ryan Cox 2013-10-28 21:05:35 -06:00
parent d66ed3350e
commit c304ffa994
1 changed files with 8 additions and 2 deletions
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10
pgrep.c
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@ -142,13 +142,19 @@ static int __attribute__ ((__noreturn__)) usage(int opt)
static struct el *split_list (const char *restrict str, int (*convert)(const char *, struct el *)) static struct el *split_list (const char *restrict str, int (*convert)(const char *, struct el *))
{ {
char *copy = xstrdup (str); char *copy;
char *ptr = copy; char *ptr;
char *sep_pos; char *sep_pos;
int i = 0; int i = 0;
int size = 0; int size = 0;
struct el *list = NULL; struct el *list = NULL;
if (str[0] == '\0')
return NULL;
copy = xstrdup (str);
ptr = copy;
do { do {
if (i == size) { if (i == size) {
size = size * 5 / 4 + 4; size = size * 5 / 4 + 4;