From 523daf675a2d9a1fd01edc854c98eb4ad2726962 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Mon, 18 May 2009 09:13:26 +0200 Subject: add dummy_malloc functions For some environments the dummy malloc functions offer a very small alternative implementation. malloc will get its memory from sbrk() and never frees memory again. This of course is not suitable for interactive environments and thus depends on CONFIG_SHELL_NONE Signed-off-by: Sascha Hauer --- common/dummy_malloc.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 common/dummy_malloc.c (limited to 'common/dummy_malloc.c') diff --git a/common/dummy_malloc.c b/common/dummy_malloc.c new file mode 100644 index 0000000000..213e51d851 --- /dev/null +++ b/common/dummy_malloc.c @@ -0,0 +1,26 @@ +#include +#include + +void *memalign(size_t alignment, size_t bytes) +{ + unsigned long mem = (unsigned long)sbrk(bytes + alignment); + + mem = (mem + alignment) & ~(alignment - 1); + + return (void *)mem; +} + +void *malloc(size_t size) +{ + return memalign(8, size); +} + +void free(void *ptr) +{ +} + +void *realloc(void *ptr, size_t size) +{ + BUG(); +} + -- cgit v1.2.3