boot: Add mempcpy

2022-09-07 12:51:10 +02:00
parent 2c3794f422
commit aa23f91ed6
1 changed files with 7 additions and 0 deletions
@@ -112,6 +112,13 @@ bool parse_number16(const char16_t *s, uint64_t *ret_u, const char16_t **ret_tai
 #  define memcmp __builtin_memcmp
 #  define memcpy __builtin_memcpy
 #  define memset __builtin_memset
+
+static inline void *mempcpy(void * restrict dest, const void * restrict src, size_t n) {
+        if (!dest || !src || n == 0)
+                return dest;
+        memcpy(dest, src, n);
+        return (uint8_t *) dest + n;
+}
 #endif

 /* The actual implementations of builtins with efi_ prefix so we can unit test them. */