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view src/libident/support.c @ 281:ea5f86e0a81c
modes are now enforced exclusive
Other MTAs (exim, postfix) are more relaxing, but as combinations
of exclusive modes are senseless we behave more obvious if we
fail early. This makes understanding the behavior easier too.
| author | markus schnalke <meillo@marmaro.de> |
|---|---|
| date | Tue, 07 Dec 2010 14:04:56 -0300 |
| parents | 08114f7dcc23 |
| children |
line source
1 /*
2 ** support.c
3 **
4 ** Author: Pr Emanuelsson <pell@lysator.liu.se>
5 ** Hacked by: Peter Eriksson <pen@lysator.liu.se>
6 */
7 #include <stdio.h>
8 #include <ctype.h>
10 #ifdef HAVE_ANSIHEADERS
11 # include <stdlib.h>
12 # include <string.h>
13 #else
14 # define strchr(str, c) index(str, c)
15 #endif
17 #define IN_LIBIDENT_SRC
18 #include "ident.h"
21 char*
22 id_strdup __P1(char *, str)
23 {
24 char *cp;
26 cp = (char *) malloc(strlen(str) + 1);
27 if (cp == NULL) {
28 #ifdef DEBUG
29 perror("libident: malloc");
30 #endif
31 return NULL;
32 }
34 strcpy(cp, str);
36 return cp;
37 }
40 char*
41 id_strtok __P3(char *, cp, char *, cs, char *, dc)
42 {
43 static char *bp = 0;
45 if (cp)
46 bp = cp;
48 /*
49 ** No delimitor cs - return whole buffer and point at end
50 */
51 if (!cs) {
52 while (*bp)
53 bp++;
54 return cs;
55 }
57 /*
58 ** Skip leading spaces
59 */
60 while (isspace(*bp))
61 bp++;
63 /*
64 ** No token found?
65 */
66 if (!*bp)
67 return 0;
69 cp = bp;
70 while (*bp && !strchr(cs, *bp))
71 bp++;
73 /*
74 ** Remove trailing spaces
75 */
76 *dc = *bp;
77 for (dc = bp - 1; dc > cp && isspace(*dc); dc--);
78 *++dc = '\0';
80 bp++;
82 return cp;
83 }