From 03261851a10dd2d6900a0a00a7515a0a46fb5d76 Mon Sep 17 00:00:00 2001
From: Ranjith Kumaran <ranjith@cygnus.com>
Date: Fri, 17 Mar 2000 22:48:54 +0000
Subject: 20000317 sourceware import

---
 libgloss/libnosys/sbrk.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 libgloss/libnosys/sbrk.c

(limited to 'libgloss/libnosys/sbrk.c')

diff --git a/libgloss/libnosys/sbrk.c b/libgloss/libnosys/sbrk.c
new file mode 100644
index 000000000..8091d7083
--- /dev/null
+++ b/libgloss/libnosys/sbrk.c
@@ -0,0 +1,27 @@
+/*
+ * Version of sbrk for no operating system.
+ */
+
+#include "config.h"
+#include <_ansi.h>
+#include <_syslist.h>
+#include <sys/types.h>
+#include <errno.h>
+#undef errno
+extern int errno;
+
+caddr_t 
+_DEFUN (_sbrk, (incr),
+        int incr)
+{ 
+   extern char end; /* set by linker */
+   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; 
+} 
-- 
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