diff options
Diffstat (limited to 'xdiff/xmacros.h')
| -rw-r--r-- | xdiff/xmacros.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/xdiff/xmacros.h b/xdiff/xmacros.h index ae4636c247..9fd3c5da91 100644 --- a/xdiff/xmacros.h +++ b/xdiff/xmacros.h @@ -49,5 +49,10 @@ do { \ ((unsigned long) __p[2]) << 16 | ((unsigned long) __p[3]) << 24; \ } while (0) +/* Allocate an array of nr elements, returns NULL on failure */ +#define XDL_ALLOC_ARRAY(p, nr) \ + ((p) = SIZE_MAX / sizeof(*(p)) >= (size_t)(nr) \ + ? xdl_malloc((nr) * sizeof(*(p))) \ + : NULL) #endif /* #if !defined(XMACROS_H) */ |