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author | Ondřej Bílka <neleai@seznam.cz> | 2013-12-04 02:02:25 +0100 |
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committer | Ondřej Bílka <neleai@seznam.cz> | 2013-12-04 02:41:12 +0100 |
commit | d674f0ef3898c0d1fd5cec76c1c736d9cd9bc7d1 (patch) | |
tree | b6a4f57e8e469c61fb3b81e7903961d50a4203f3 /debug/memset_chk.c | |
parent | 6905a19f7a8443950f105b6716f6b4b1f98c4dbd (diff) | |
download | glibc-d674f0ef3898c0d1fd5cec76c1c736d9cd9bc7d1.zip glibc-d674f0ef3898c0d1fd5cec76c1c736d9cd9bc7d1.tar.gz glibc-d674f0ef3898c0d1fd5cec76c1c736d9cd9bc7d1.tar.bz2 |
Refactor several debug routines.
To simplify additions of debug routines we replace a custom function
implementation by a simple call.
Diffstat (limited to 'debug/memset_chk.c')
-rw-r--r-- | debug/memset_chk.c | 61 |
1 files changed, 1 insertions, 60 deletions
diff --git a/debug/memset_chk.c b/debug/memset_chk.c index bfbc29d..ef1cadb 100644 --- a/debug/memset_chk.c +++ b/debug/memset_chk.c @@ -28,64 +28,5 @@ __memset_chk (dstpp, c, len, dstlen) if (__builtin_expect (dstlen < len, 0)) __chk_fail (); - long int dstp = (long int) dstpp; - - if (len >= 8) - { - size_t xlen; - op_t cccc; - - cccc = (unsigned char) c; - cccc |= cccc << 8; - cccc |= cccc << 16; - if (OPSIZ > 4) - /* Do the shift in two steps to avoid warning if long has 32 bits. */ - cccc |= (cccc << 16) << 16; - - /* There are at least some bytes to set. - No need to test for LEN == 0 in this alignment loop. */ - while (dstp % OPSIZ != 0) - { - ((byte *) dstp)[0] = c; - dstp += 1; - len -= 1; - } - - /* Write 8 `op_t' per iteration until less than 8 `op_t' remain. */ - xlen = len / (OPSIZ * 8); - while (xlen > 0) - { - ((op_t *) dstp)[0] = cccc; - ((op_t *) dstp)[1] = cccc; - ((op_t *) dstp)[2] = cccc; - ((op_t *) dstp)[3] = cccc; - ((op_t *) dstp)[4] = cccc; - ((op_t *) dstp)[5] = cccc; - ((op_t *) dstp)[6] = cccc; - ((op_t *) dstp)[7] = cccc; - dstp += 8 * OPSIZ; - xlen -= 1; - } - len %= OPSIZ * 8; - - /* Write 1 `op_t' per iteration until less than OPSIZ bytes remain. */ - xlen = len / OPSIZ; - while (xlen > 0) - { - ((op_t *) dstp)[0] = cccc; - dstp += OPSIZ; - xlen -= 1; - } - len %= OPSIZ; - } - - /* Write the last few bytes. */ - while (len > 0) - { - ((byte *) dstp)[0] = c; - dstp += 1; - len -= 1; - } - - return dstpp; + return memset (dstpp, c, len); } |