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authorCarmelo Amoroso <carmelo.amoroso@st.com>2007-11-20 10:09:16 +0000
committerCarmelo Amoroso <carmelo.amoroso@st.com>2007-11-20 10:09:16 +0000
commit244539cd0852bbcf8f21507d7ff866d8e7fcff18 (patch)
tree5a04e6a195814b645007e4ccecb128d8c7b31ee7 /libc/stdlib/malloc
parent1cac0350028cc4a47715f63e61379d3318b0c965 (diff)
downloaduClibc-alpine-244539cd0852bbcf8f21507d7ff866d8e7fcff18.tar.bz2
uClibc-alpine-244539cd0852bbcf8f21507d7ff866d8e7fcff18.tar.xz
Fix Makefile.in and synch them with trunk. Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
Diffstat (limited to 'libc/stdlib/malloc')
-rw-r--r--libc/stdlib/malloc/heap_debug.c10
-rw-r--r--libc/stdlib/malloc/malloc.c4
-rw-r--r--libc/stdlib/malloc/realloc.c7
3 files changed, 14 insertions, 7 deletions
diff --git a/libc/stdlib/malloc/heap_debug.c b/libc/stdlib/malloc/heap_debug.c
index 9e5b61c43..e83831d3a 100644
--- a/libc/stdlib/malloc/heap_debug.c
+++ b/libc/stdlib/malloc/heap_debug.c
@@ -7,7 +7,7 @@
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License. See the file COPYING.LIB in the main
* directory of this archive for more details.
- *
+ *
* Written by Miles Bader <miles@gnu.org>
*/
@@ -15,9 +15,11 @@
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
+#include <unistd.h>
libc_hidden_proto(vfprintf)
libc_hidden_proto(fprintf)
+libc_hidden_proto(_exit)
#include "malloc.h"
#include "heap.h"
@@ -66,7 +68,7 @@ __heap_dump (struct heap *heap, const char *str)
/* Output an error message to stderr, and exit. STR is printed with the
failure message. */
-static void
+static void attribute_noreturn
__heap_check_failure (struct heap *heap, struct heap_free_area *fa,
const char *str, char *fmt, ...)
{
@@ -81,13 +83,13 @@ __heap_check_failure (struct heap *heap, struct heap_free_area *fa,
vfprintf (stderr, fmt, val);
va_end (val);
- __putc ('\n', stderr);
+ fprintf (stderr, "\n");
__malloc_debug_set_indent (0);
__malloc_debug_printf (1, "heap dump:");
__heap_dump_freelist (heap);
- __exit (22);
+ _exit (22);
}
/* Do some consistency checks on HEAP. If they fail, output an error
diff --git a/libc/stdlib/malloc/malloc.c b/libc/stdlib/malloc/malloc.c
index 2ec8b07da..770d7aea3 100644
--- a/libc/stdlib/malloc/malloc.c
+++ b/libc/stdlib/malloc/malloc.c
@@ -7,7 +7,7 @@
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License. See the file COPYING.LIB in the main
* directory of this archive for more details.
- *
+ *
* Written by Miles Bader <miles@gnu.org>
*/
@@ -200,7 +200,7 @@ malloc (size_t size)
#else
/* Some programs will call malloc (0). Lets be strict and return NULL */
if (unlikely (size == 0))
- return 0;
+ goto oom;
#endif
/* Check if they are doing something dumb like malloc(-1) */
diff --git a/libc/stdlib/malloc/realloc.c b/libc/stdlib/malloc/realloc.c
index 4d56565aa..ec57b874e 100644
--- a/libc/stdlib/malloc/realloc.c
+++ b/libc/stdlib/malloc/realloc.c
@@ -7,7 +7,7 @@
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License. See the file COPYING.LIB in the main
* directory of this archive for more details.
- *
+ *
* Written by Miles Bader <miles@gnu.org>
*/
@@ -46,6 +46,11 @@ realloc (void *mem, size_t new_size)
allocation unit (SIZE is already guaranteed to be so).*/
new_size = HEAP_ADJUST_SIZE (new_size + MALLOC_HEADER_SIZE);
+ if (new_size < sizeof (struct heap_free_area))
+ /* Because we sometimes must use a freed block to hold a free-area node,
+ we must make sure that every allocated block can hold one. */
+ new_size = HEAP_ADJUST_SIZE (sizeof (struct heap_free_area));
+
MALLOC_DEBUG (1, "realloc: 0x%lx, %d (base = 0x%lx, total_size = %d)",
(long)mem, new_size, (long)base_mem, size);