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authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/libgcc/memmove.c
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
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Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/libgcc/memmove.c')
-rw-r--r--gcc-4.9/libgcc/memmove.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc-4.9/libgcc/memmove.c b/gcc-4.9/libgcc/memmove.c
new file mode 100644
index 000000000..13b340af6
--- /dev/null
+++ b/gcc-4.9/libgcc/memmove.c
@@ -0,0 +1,20 @@
+/* Public domain. */
+#include <stddef.h>
+
+void *
+memmove (void *dest, const void *src, size_t len)
+{
+ char *d = dest;
+ const char *s = src;
+ if (d < s)
+ while (len--)
+ *d++ = *s++;
+ else
+ {
+ char *lasts = s + (len-1);
+ char *lastd = d + (len-1);
+ while (len--)
+ *lastd-- = *lasts--;
+ }
+ return dest;
+}