diff options
Diffstat (limited to 'Include/mymalloc.h')
| -rw-r--r-- | Include/mymalloc.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/Include/mymalloc.h b/Include/mymalloc.h index aadd0f3048..e4315bdb98 100644 --- a/Include/mymalloc.h +++ b/Include/mymalloc.h @@ -53,12 +53,14 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. #define NULL 0 #endif -#define NEW(type, n) ( (type *) malloc((n) * sizeof(type)) ) +/* XXX Always allocate one extra byte, since some malloc's return NULL + XXX for malloc(0) or realloc(p, 0). */ +#define NEW(type, n) ( (type *) malloc(1 + (n) * sizeof(type)) ) #define RESIZE(p, type, n) \ if ((p) == NULL) \ - (p) = (type *) malloc((n) * sizeof(type)); \ + (p) = (type *) malloc(1 + (n) * sizeof(type)); \ else \ - (p) = (type *) realloc((ANY *)(p), (n) * sizeof(type)) + (p) = (type *) realloc((ANY *)(p), 1 + (n) * sizeof(type)) #define DEL(p) free((ANY *)p) #define XDEL(p) if ((p) == NULL) ; else DEL(p) |