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-rw-r--r--src/malloc/__simple_malloc.c46
1 files changed, 0 insertions, 46 deletions
diff --git a/src/malloc/__simple_malloc.c b/src/malloc/__simple_malloc.c
deleted file mode 100644
index c8293908..00000000
--- a/src/malloc/__simple_malloc.c
+++ /dev/null
@@ -1,46 +0,0 @@
-#include <stdlib.h>
-#include <stdint.h>
-#include <limits.h>
-#include <errno.h>
-#include "libc.h"
-
-uintptr_t __brk(uintptr_t);
-
-#define ALIGN 16
-
-void *__simple_malloc(size_t n)
-{
- static uintptr_t cur, brk;
- uintptr_t base, new;
- static int lock;
- size_t align=1;
-
- if (!n) n++;
- if (n > SIZE_MAX/2) goto toobig;
-
- while (align<n && align<ALIGN)
- align += align;
- n = n + align - 1 & -align;
-
- LOCK(&lock);
- if (!cur) cur = brk = __brk(0)+16;
- base = cur + align-1 & -align;
- if (n > SIZE_MAX - PAGE_SIZE - base) goto fail;
- if (base+n > brk) {
- new = base+n + PAGE_SIZE-1 & -PAGE_SIZE;
- if (__brk(new) != new) goto fail;
- brk = new;
- }
- cur = base+n;
- UNLOCK(&lock);
-
- return (void *)base;
-
-fail:
- UNLOCK(&lock);
-toobig:
- errno = ENOMEM;
- return 0;
-}
-
-weak_alias(__simple_malloc, malloc);