diff options
author | Eric Andersen <andersen@codepoet.org> | 2000-10-09 20:06:30 +0000 |
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committer | Eric Andersen <andersen@codepoet.org> | 2000-10-09 20:06:30 +0000 |
commit | c1fe19d4c1db610692365472a90f4661e48449c1 (patch) | |
tree | d0b0219ffca3c4c4256f55c4aea4513e43d6aecd /libc/stdlib/malloc-simple/alloc.c | |
parent | 9efafb8bbc7408b04643dcd53825d971577b4d9d (diff) |
Bug ugly formatting update
Diffstat (limited to 'libc/stdlib/malloc-simple/alloc.c')
-rw-r--r-- | libc/stdlib/malloc-simple/alloc.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/libc/stdlib/malloc-simple/alloc.c b/libc/stdlib/malloc-simple/alloc.c new file mode 100644 index 000000000..cf4835c97 --- /dev/null +++ b/libc/stdlib/malloc-simple/alloc.c @@ -0,0 +1,106 @@ +#include <unistd.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <sys/mman.h> + + +#ifdef L_calloc_dbg + +void *calloc_dbg(size_t num, size_t size, char *function, char *file, + int line) +{ + void *ptr; + + fprintf(stderr, "calloc of %d bytes at %s @%s:%d = ", num * size, + function, file, line); + ptr = calloc(num, size); + fprintf(stderr, "%p\n", ptr); + return ptr; +} + +#endif + +#ifdef L_malloc_dbg + +void *malloc_dbg(size_t len, char *function, char *file, int line) +{ + void *result; + + fprintf(stderr, "malloc of %d bytes at %s @%s:%d = ", len, function, + file, line); + result = malloc(len); + fprintf(stderr, "%p\n", result); + return result; +} + +#endif + +#ifdef L_free_dbg + +void free_dbg(void *ptr, char *function, char *file, int line) +{ + fprintf(stderr, "free of %p at %s @%s:%d\n", ptr, function, file, + line); + free(ptr); +} + +#endif + + +#ifdef L_calloc + +void *calloc(size_t num, size_t size) +{ + void *ptr = malloc(num * size); + + if (ptr) + memset(ptr, 0, num * size); + return ptr; +} + +#endif + +#ifdef L_malloc + +void *malloc(size_t len) +{ + void *result = mmap((void *) 0, len, PROT_READ | PROT_WRITE, + //MAP_SHARED | MAP_ANONYMOUS, 0, 0); + MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); + + if (result == (void *) -1) + return 0; + + return result; +} + +#endif + +#ifdef L_free + +void free(void *ptr) +{ + munmap(ptr, 0); +} + +#endif + +#ifdef L_realloc + +void *realloc(void *ptr, size_t size) +{ + void *newptr = NULL; + + if (size > 0) { + newptr = malloc(size); + if (newptr && ptr) + memcpy(newptr, ptr, size); + } + if (ptr) + free(ptr); + return newptr; +} + +#endif |