summaryrefslogtreecommitdiffstats
path: root/libgloss/mt/sbrk.c
diff options
context:
space:
mode:
Diffstat (limited to 'libgloss/mt/sbrk.c')
-rw-r--r--libgloss/mt/sbrk.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/libgloss/mt/sbrk.c b/libgloss/mt/sbrk.c
new file mode 100644
index 000000000..1f959c084
--- /dev/null
+++ b/libgloss/mt/sbrk.c
@@ -0,0 +1,24 @@
+#include <_ansi.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include "trap.h"
+
+
+caddr_t
+sbrk (size_t incr)
+{
+ extern char end; /* Defined by the linker */
+ static char *heap_end;
+ char *prev_heap_end;
+
+ char *sp = (char *) &sp;
+
+ if (heap_end == 0)
+ {
+ heap_end = &end;
+ }
+ prev_heap_end = heap_end;
+ heap_end += incr;
+
+ return (caddr_t) prev_heap_end;
+}