Consolidate arch-specific sbrk() implementations
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
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 @@
*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 */