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-rw-r--r--Source/UnixUserland/sbrk.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/Source/UnixUserland/sbrk.c b/Source/UnixUserland/sbrk.c
new file mode 100644
index 0000000..26df466
--- /dev/null
+++ b/Source/UnixUserland/sbrk.c
@@ -0,0 +1,16 @@
+#include <sys/types.h>
+
+caddr_t sbrk(int incr) {
+ extern char end;
+ static char *heap_end;
+ char *prev_heap_end;
+
+ if (heap_end == 0) {
+ heap_end = &end;
+ }
+ prev_heap_end = heap_end;
+
+ heap_end += incr;
+ return (caddr_t) prev_heap_end;
+
+}