[llvm-commits] [compiler-rt] r166775 - /compiler-rt/trunk/lib/sanitizer_common/sanitizer_libc.cc

[Alexander Potapenko]

Author: glider
Date: Fri Oct 26 08:47:36 2012
New Revision: 166775

URL: http://llvm.org/viewvc/llvm-project?rev=166775&view=rev
Log:
Fix a compiler warning in internal_memmove.

Modified:
    compiler-rt/trunk/lib/sanitizer_common/sanitizer_libc.cc

Modified: compiler-rt/trunk/lib/sanitizer_common/sanitizer_libc.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/sanitizer_common/sanitizer_libc.cc?rev=166775&r1=166774&r2=166775&view=diff
==============================================================================
--- compiler-rt/trunk/lib/sanitizer_common/sanitizer_libc.cc (original)
+++ compiler-rt/trunk/lib/sanitizer_common/sanitizer_libc.cc Fri Oct 26 08:47:36 2012
@@ -47,14 +47,14 @@
 void *internal_memmove(void *dest, const void *src, uptr n) {
   char *d = (char*)dest;
   char *s = (char*)src;
-  sptr i = (sptr)n;
-  CHECK_GE(i, 0);
+  sptr i, signed_n = (sptr)n;
+  CHECK_GE(signed_n, 0);
   if (d < s) {
-    for (i = 0; i < n; ++i)
+    for (i = 0; i < signed_n; ++i)
       d[i] = s[i];
   } else {
-    if (d > s && n > 0)
-      for (i = n - 1; i >= 0 ; --i) {
+    if (d > s && signed_n > 0)
+      for (i = signed_n - 1; i >= 0 ; --i) {
         d[i] = s[i];
       }
   }