diff options
Diffstat (limited to 'string')
| -rw-r--r-- | string/bits/string2.h | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/string/bits/string2.h b/string/bits/string2.h index 391859a91b..3f7784ed38 100644 --- a/string/bits/string2.h +++ b/string/bits/string2.h @@ -97,59 +97,61 @@ __STRING2_COPY_TYPE (8); (__extension__ (__builtin_constant_p (n) && (n) <= 16 \ ? ((n) == 1 \ ? __memset_1 (s, c) \ - : __memset_gc (s, (((__uint8_t) c) * 0x1010101), n)) \ + : __memset_gc (s, c, n)) \ : (__builtin_constant_p (c) && (c) == '\0' \ ? ({ void *__s = (s); __bzero (__s, n); __s; }) \ : memset (s, c, n)))) -#define __memset_1(s, c) ({ void *__s = (s); *((__uint8_t *) __s) = c; __s; }) +#define __memset_1(s, c) ({ void *__s = (s); \ + *((__uint8_t *) __s) = (__uint8_t) c; __s; }) #define __memset_gc(s, c, n) \ ({ void *__s = (s); \ __uint32_t *__ts = (__uint32_t *) __s; \ + __uint8_t __c = (__uint8_t) (c); \ \ /* This `switch' statement will be removed at compile-time. */ \ switch (n) \ { \ case 15: \ - *__ts++ = c; \ + *__ts++ = __c * 0x01010101; \ case 11: \ - *__ts++ = c; \ + *__ts++ = __c * 0x01010101; \ case 7: \ - *__ts++ = c; \ + *__ts++ = __c * 0x01010101; \ case 3: \ - *((__uint16_t *) __ts)++ = c; \ - *((__uint8_t *) __ts) = c; \ + *((__uint16_t *) __ts)++ = __c * 0x0101; \ + *((__uint8_t *) __ts) = __c; \ break; \ \ case 14: \ - *__ts++ = c; \ + *__ts++ = __c * 0x01010101; \ case 10: \ - *__ts++ = c; \ + *__ts++ = __c * 0x01010101; \ case 6: \ - *__ts++ = c; \ + *__ts++ = __c * 0x01010101; \ case 2: \ - *((__uint16_t *) __ts) = c; \ + *((__uint16_t *) __ts) = __c * 0x0101; \ break; \ \ case 13: \ - *__ts++ = c; \ + *__ts++ = __c * 0x01010101; \ case 9: \ - *__ts++ = c; \ + *__ts++ = __c * 0x01010101; \ case 5: \ - *__ts++ = c; \ + *__ts++ = __c * 0x01010101; \ case 1: \ - *((__uint8_t *) __ts) = c; \ + *((__uint8_t *) __ts) = __c; \ break; \ \ case 16: \ - *__ts++ = c; \ + *__ts++ = __c * 0x01010101; \ case 12: \ - *__ts++ = c; \ + *__ts++ = __c * 0x01010101; \ case 8: \ - *__ts++ = c; \ + *__ts++ = __c * 0x01010101; \ case 4: \ - *__ts = c; \ + *__ts = __c * 0x01010101; \ case 0: \ break; \ } \ |