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[m32c] fix sbrk prototype
- From: DJ Delorie <dj at redhat dot com>
- To: newlib at sourceware dot org
- Date: Wed, 8 Jul 2009 16:54:22 -0400
- Subject: [m32c] fix sbrk prototype
sizeof(int) != sizeof(ptr) on m32c. Committed.
* m32c/sbrk.c (sbrk): Change to take ptrdiff_t, not int.
Index: m32c/sbrk.c
===================================================================
RCS file: /cvs/src/src/libgloss/m32c/sbrk.c,v
retrieving revision 1.1
diff -p -U3 -r1.1 sbrk.c
--- m32c/sbrk.c 10 Aug 2005 20:29:33 -0000 1.1
+++ m32c/sbrk.c 8 Jul 2009 20:53:16 -0000
@@ -32,8 +32,16 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBI
extern void _set_heaptop(void *ptr);
+/* Normally these would be in unistd.h but we don't rely on that being
+ available during this build. */
+#if defined(__r8c_cpu__) || defined(__m16c_cpu__)
+#define PTRDIFF_T int
+#else
+#define PTRDIFF_T long
+#endif
+
char *
-sbrk(int adj)
+sbrk(PTRDIFF_T adj)
{
extern char end;
static char *heap = &end;