Fix errno values. Fix MALLOC_GLIBC_COMPAT handling in malloc/malloc.c,

which was reversed.  Provide more consistancy between implementations.
Handle it when people do stupid things like malloc(-1);

1 files changed, 6 insertions, 6 deletions

diff --git a/libc/stdlib/malloc/realloc.c b/libc/stdlib/malloc/realloc.c
index d4e0d9cb4..9e6f880fe 100644
--- a/libc/stdlib/malloc/realloc.c
+++ b/libc/stdlib/malloc/realloc.c
@@ -13,6 +13,7 @@
 
 #include <stdlib.h>
 #include <string.h>
+#include <errno.h>
 
 #include "malloc.h"
 #include "heap.h"
@@ -25,13 +26,12 @@ realloc (void *mem, size_t new_size)
   char *base_mem;
 
   /* Check for special cases.  */
-  if (! new_size)
-    {
+  if (!mem)
+      return malloc(new_size);
+  if (!new_size) {
       free (mem);
-      return 0;
-    }
-  else if (! mem)
-    return malloc (new_size);
+      return (malloc(new_size));
+  }
 
   /* Normal realloc.  */