diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/dlmalloc.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/common/dlmalloc.c b/common/dlmalloc.c index 4a18562..f3bced4 100644 --- a/common/dlmalloc.c +++ b/common/dlmalloc.c @@ -1502,7 +1502,23 @@ void malloc_bin_reloc (void) *p++ += gd->reloc_off; } } - + +ulong mem_malloc_start = 0; +ulong mem_malloc_end = 0; +ulong mem_malloc_brk = 0; + +void *sbrk(ptrdiff_t increment) +{ + ulong old = mem_malloc_brk; + ulong new = old + increment; + + if ((new < mem_malloc_start) || (new > mem_malloc_end)) + return NULL; + + mem_malloc_brk = new; + + return (void *)old; +} /* field-extraction macros */ |