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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
/*
* Copyright 1993 OpenVision Technologies, Inc., All Rights Reserved
*
* $Header$
*
* $Log$
* Revision 1.1 1996/08/01 18:39:54 bjaspan
* * Makefile.in, Makefile.ov, configure.in, dump.c: add support for
* dump/load of OV*Secure-compatible format.
*
* Revision 1.1.2.1 1996/06/20 21:49:01 marc
* File added to the repository on a branch
*
* Revision 1.1 1993/11/14 23:51:23 shanzer
* Initial revision
*
*/
#if !defined(lint) && !defined(__CODECENTER__)
static char *rcsid = "$Header$";
#endif
/*
* Copyright (c) 1988 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that: (1) source distributions retain this entire copyright
* notice and comment, and (2) distributions including binaries display
* the following acknowledgement: ``This product includes software
* developed by the University of California, Berkeley and its contributors''
* in the documentation or other materials provided with the distribution
* and in all advertising materials mentioning features or use of this
* software. Neither the name of the University nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)strtok.c 5.7 (Berkeley) 6/1/90";
#endif /* LIBC_SCCS and not lint */
#include <stddef.h>
#include <string.h>
/*
* Function: nstrtok
*
* Purpose: the same as strtok ... just different. does not deal with
* multiple tokens in row.
*
* Arguments:
* s (input) string to scan
* delim (input) list of delimiters
* <return value> string or null on error.
*
* Requires:
* nuttin
*
* Effects:
* sets last to string
*
* Modifies:
* last
*
*/
char *
nstrtok(s, delim)
register char *s, *delim;
{
register char *spanp;
register int c, sc;
char *tok;
static char *last;
if (s == NULL && (s = last) == NULL)
return (NULL);
/*
* Skip (span) leading delimiters (s += strspn(s, delim), sort of).
*/
#ifdef OLD
cont:
c = *s++;
for (spanp = delim; (sc = *spanp++) != 0;) {
if (c == sc)
goto cont;
}
if (c == 0) { /* no non-delimiter characters */
last = NULL;
return (NULL);
}
tok = s - 1;
#else
tok = s;
#endif
/*
* Scan token (scan for delimiters: s += strcspn(s, delim), sort of).
* Note that delim must have one NUL; we stop if we see that, too.
*/
for (;;) {
c = *s++;
spanp = delim;
do {
if ((sc = *spanp++) == c) {
if (c == 0)
s = NULL;
else
s[-1] = 0;
last = s;
return (tok);
}
} while (sc != 0);
}
/* NOTREACHED */
}
|
