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pacman/util.c: fix segfault when replace in strreplace is NULL

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(cherry picked from commit 4c18204938)
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KaranveerB 2024-08-03 16:10:30 -07:00 • committed by Allan McRae
parent 7cf2b0186d
commit 6270dd81a3
1 changed files with 5 additions and 1 deletions
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6
src/pacman/util.c
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@ -363,12 +363,16 @@ char *strreplace(const char *str, const char *needle, const char *replace)
const char *p = NULL, *q = NULL; const char *p = NULL, *q = NULL;
char *newstr = NULL, *newp = NULL; char *newstr = NULL, *newp = NULL;
alpm_list_t *i = NULL, *list = NULL; alpm_list_t *i = NULL, *list = NULL;
size_t needlesz = strlen(needle), replacesz = strlen(replace); size_t needlesz = strlen(needle), replacesz;
size_t newsz; size_t newsz;
if(!str) { if(!str) {
return NULL; return NULL;
} }
if(!replace) {
replace = "";
}
replacesz = strlen(replace);
p = str; p = str;
q = strstr(p, needle); q = strstr(p, needle);