Be a bit more correct: set errno to ENOMEM if we fail to allocate

memory.

1 files changed, 5 insertions, 1 deletions

diff --git a/malloc.c b/malloc.c
index e2ae112..d565ebc 100644
--- a/malloc.c
+++ b/malloc.c
@@ -22,6 +22,7 @@
 #include <inttypes.h>
 #include <limits.h>
 #include <string.h>
+#include <errno.h>
 
 #include "lpsm.h"
 #include "internals.h"
@@ -190,8 +191,10 @@ void *lpsm_malloc_buddy(size_t size)
     order++;
 
   xbit = lpsm_malloc_buddy_xbit(order);
-  if ( !xbit )
+  if ( !xbit ) {
+    errno = ENOMEM;
     return NULL;
+  }
 
   obit = 1 << (AH->arena_size_lg2 - order);
 
@@ -268,6 +271,7 @@ void *lpsm_malloc_slab(size_t size)
   if ( !sh ) {
     /* Empty free list, need a new page */
     if ( !(sh = lpsm_make_new_slab(si,index)) )
+      errno = ENOMEM;
       return NULL;		/* Unavailable to allocate new slab */
   }