diff options
Diffstat (limited to 'lib/libalpm/util.h')
| -rw-r--r-- | lib/libalpm/util.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/libalpm/util.h b/lib/libalpm/util.h index e9e0af1f..4a06e3b0 100644 --- a/lib/libalpm/util.h +++ b/lib/libalpm/util.h @@ -43,7 +43,8 @@ #define MALLOC(p, s, action) do { p = calloc(1, s); if(p == NULL) { ALLOC_FAIL(s); action; } } while(0) #define CALLOC(p, l, s, action) do { p = calloc(l, s); if(p == NULL) { ALLOC_FAIL(s); action; } } while(0) -#define STRDUP(r, s, action) do { r = strdup(s); if(r == NULL) { ALLOC_FAIL(strlen(s)); action; } } while(0) +/* This strdup macro is NULL safe- copying NULL will yield NULL */ +#define STRDUP(r, s, action) do { if(s != NULL) { r = strdup(s); if(r == NULL) { ALLOC_FAIL(strlen(s)); action; } } else { r = NULL; } } while(0) #define FREE(p) do { if(p) { free(p); p = NULL; } } while(0) |