[CRIU] [PATCH 1/3] builtin_{memcpy, memset}: make compatible with libc
Kir Kolyshkin
kir at openvz.org
Thu Nov 10 16:32:26 PST 2016
1. memcpy() last argument is size_t
2. memset() returns void *
Make our builtin_*() functions compatible.
Signed-off-by: Kir Kolyshkin <kir at openvz.org>
Reviewed-by: Dmitry Safonov <dsafonov at virtuozzo.com>
---
criu/include/asm-generic/string.h | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/criu/include/asm-generic/string.h b/criu/include/asm-generic/string.h
index df53e66..1448a32 100644
--- a/criu/include/asm-generic/string.h
+++ b/criu/include/asm-generic/string.h
@@ -4,9 +4,9 @@
#include "common/compiler.h"
#ifndef HAS_BUILTIN_MEMCPY
-static always_inline void *builtin_memcpy(void *to, const void *from, unsigned int n)
+static always_inline void *builtin_memcpy(void *to, const void *from, size_t n)
{
- int i;
+ size_t i;
unsigned char *cto = to;
const unsigned char *cfrom = from;
@@ -47,13 +47,15 @@ static always_inline int builtin_strncmp(const char *cs, const char *ct, size_t
#endif
#ifndef HAS_BUILTIN_MEMSET
-static always_inline void builtin_memset(void *s, const int c, size_t count)
+static always_inline void *builtin_memset(void *s, const int c, size_t count)
{
char *dest = s;
size_t i = 0;
while (i < count)
dest[i++] = (char) c;
+
+ return s;
}
#endif
--
2.7.4
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