diff options
Diffstat (limited to 'src/stdlib/calloc.c')
| -rw-r--r-- | src/stdlib/calloc.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/stdlib/calloc.c b/src/stdlib/calloc.c new file mode 100644 index 00000000..aeed4aef --- /dev/null +++ b/src/stdlib/calloc.c @@ -0,0 +1,33 @@ +#include <stdlib.h> +#include "string.h" + +/** allocate and initialize memory **/ + +void * calloc(size_t nmemb, size_t size) +{ + void *p = NULL; + + if (nmemb == 0 || size == 0) { + return NULL; + } + + p = realloc(NULL, size * nmemb); + if (p != NULL) { + memset(p, 0, size * nmemb); + } + + return p; +} + +/*** +allocates an array of ARGUMENT(nmemb) elements, each of which +are ARGUMENT(size) bytes, and sets all their bits to 0. +***/ + +/* +UNSPECIFIED(The order and contiguity of space allocated by success calls) +IMPLEMENTATION(What is returned if ARGUMENT(nmemb) or ARGUMENT(size) is 0) +RETURN_FAILURE(CONSTANT(NULL)) +RETURN_SUCCESS(a pointer to the newly allocated memory) +STDC(1) +*/ |
