Changes in kernel/generic/include/memstr.h [9d58539:53031c2] in mainline

File:

• kernel/generic/include/memstr.h (modified) (1 diff)

kernel/generic/include/memstr.h

@@ -37 +37 @@
 
 #include <typedefs.h>
+#include <cc.h>
+
+#ifdef CONFIG_LTO
+#define DO_NOT_DISCARD ATTRIBUTE_USED
+#else
+#define DO_NOT_DISCARD
+#endif
 
 #define memset(dst, val, cnt)  __builtin_memset((dst), (val), (cnt))
 #define memcpy(dst, src, cnt)  __builtin_memcpy((dst), (src), (cnt))
 
-extern void memsetb(void *, size_t, uint8_t);
-extern void memsetw(void *, size_t, uint16_t);
-extern void *memmove(void *, const void *, size_t);
+extern void memsetb(void *, size_t, uint8_t)
+    __attribute__((nonnull(1)));
+extern void memsetw(void *, size_t, uint16_t)
+    __attribute__((nonnull(1)));
+extern void *memmove(void *, const void *, size_t)
+    __attribute__((nonnull(1, 2))) DO_NOT_DISCARD;
 
 #endif