blob: 1417bc54993ef95fd572a0ed01b48845a3039476 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/* Copyright (c) 1992, 1999, 2001 John E. Davis
* This file is part of the S-Lang library.
*
* You may distribute under the terms of either the GNU General Public
* License or the Perl Artistic License.
*/
/* These routines are fast memcpy, memset routines. When available, I
use system rouines. For msdos, I use inline assembly. */
/* The current versions only work in the forward direction only!! */
#include "slinclud.h"
#include "slang.h"
#include "_slang.h"
char *SLmemchr(register char *p, register char c, register int n)
{
int n2;
register char *pmax;
pmax = p + (n - 32);
while (p <= pmax)
{
if ((*p == c) || (*++p == c) || (*++p == c) || (*++p == c)
|| (*++p == c) || (*++p == c) || (*++p == c) || (*++p == c)
|| (*++p == c) || (*++p == c) || (*++p == c) || (*++p == c)
|| (*++p == c) || (*++p == c) || (*++p == c) || (*++p == c)
|| (*++p == c) || (*++p == c) || (*++p == c) || (*++p == c)
|| (*++p == c) || (*++p == c) || (*++p == c) || (*++p == c)
|| (*++p == c) || (*++p == c) || (*++p == c) || (*++p == c)
|| (*++p == c) || (*++p == c) || (*++p == c) || (*++p == c))
return p;
p++;
}
n2 = n % 32;
while (n2--)
{
if (*p == c) return p;
p++;
}
return(NULL);
}
|