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-rw-r--r--libc/stdlib/malloc-simple/alloc.c141
1 files changed, 0 insertions, 141 deletions
diff --git a/libc/stdlib/malloc-simple/alloc.c b/libc/stdlib/malloc-simple/alloc.c
deleted file mode 100644
index 1824507eb..000000000
--- a/libc/stdlib/malloc-simple/alloc.c
+++ /dev/null
@@ -1,141 +0,0 @@
-
-/*
- * For MMU hosts we need to track the size of the allocations otherwise
- * munmap will fail to free the memory (EINVAL).
- */
-
-#include <features.h>
-#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 = ", (int) (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 size, char *function, char *file, int line)
-{
- void *result;
-
- fprintf(stderr, "malloc of %d bytes at %s @%s:%d = ", (int) size, function,
- file, line);
- result = malloc(size);
- 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 size)
-{
- void *result;
-
- /* Some programs will call malloc (0). Lets be strict and return NULL */
- if (size == 0)
- return NULL;
-
-#ifdef __UCLIBC_HAS_MMU__
- result = mmap((void *) 0, size + sizeof(size_t), PROT_READ | PROT_WRITE,
- MAP_PRIVATE | MAP_ANONYMOUS, 0, 0);
-#else
- result = mmap((void *) 0, size, PROT_READ | PROT_WRITE,
- MAP_SHARED | MAP_ANONYMOUS, 0, 0);
-#endif
-
- if (result == MAP_FAILED)
- return 0;
-
-#ifdef __UCLIBC_HAS_MMU__
- * (size_t *) result = size;
- return(result + sizeof(size_t));
-#else
- return(result);
-#endif
-}
-
-#endif
-
-#ifdef L_free
-
-void free(void *ptr)
-{
-#ifdef __UCLIBC_HAS_MMU__
- if (ptr) {
- ptr -= sizeof(size_t);
- munmap(ptr, * (size_t *) ptr + sizeof(size_t));
- }
-#else
- munmap(ptr, 0);
-#endif
-}
-
-#endif
-
-#ifdef L_realloc
-
-void *realloc(void *ptr, size_t size)
-{
- void *newptr = NULL;
-
- if (size > 0) {
- newptr = malloc(size);
- if (newptr && ptr) {
-#ifdef __UCLIBC_HAS_MMU__
- memcpy(newptr, ptr, * ((size_t *) (ptr - sizeof(size_t))));
-#else
- memcpy(newptr, ptr, size);
-#endif
- free(ptr);
- }
- }
- else
- free(ptr);
- return newptr;
-}
-
-#endif