Try to improve performance by using a read/write buffer instead of I/O.
The calls to fwrite/fread can be very expensive. GCC avoids this by using a
buffer to read and write from the file, thus limiting the number of fwrite/fread
calls.
<rdar://problem/13466086>
llvm-svn: 181924
diff --git a/compiler-rt/SDKs/linux/usr/include/string.h b/compiler-rt/SDKs/linux/usr/include/string.h
index bee9d46..c7da1f5 100644
--- a/compiler-rt/SDKs/linux/usr/include/string.h
+++ b/compiler-rt/SDKs/linux/usr/include/string.h
@@ -21,6 +21,7 @@
int memcmp(const void *, const void *, size_t);
void *memcpy(void *, const void *, size_t);
+void *memset(void *, int, size_t);
char *strcat(char *, const char *);
char *strcpy(char *, const char *);
char *strdup(const char *);