string.h revision 266692
1/*
2 * Copyright (c) 2000-2001, 2003 Proofpoint, Inc. and its suppliers.
3 *	All rights reserved.
4 *
5 * By using this file, you agree to the terms and conditions set
6 * forth in the LICENSE file which can be found at the top level of
7 * the sendmail distribution.
8 *
9 *	$Id: string.h,v 1.39 2013-11-22 20:51:31 ca Exp $
10 */
11
12/*
13**  libsm string manipulation
14*/
15
16#ifndef SM_STRING_H
17# define SM_STRING_H
18
19# include <sm/gen.h>
20# include <sm/varargs.h>
21# include <string.h> /* strlc{py,at}, strerror */
22
23/* return number of bytes left in a buffer */
24#define SPACELEFT(buf, ptr)	(sizeof buf - ((ptr) - buf))
25
26extern int PRINTFLIKE(3, 4)
27sm_snprintf __P((char *, size_t, const char *, ...));
28
29extern bool
30sm_match __P((const char *_str, const char *_pattern));
31
32extern char *
33sm_strdup __P((char *));
34
35extern char *
36sm_strndup_x __P((const char *_str, size_t _len));
37
38#if DO_NOT_USE_STRCPY
39/* for "normal" data (free'd before end of process) */
40extern char *
41sm_strdup_x __P((const char *_str));
42
43/* for data that is supposed to be persistent. */
44extern char *
45sm_pstrdup_x __P((const char *_str));
46
47extern char *
48sm_strdup_tagged_x __P((const char *str, char *file, int line, int group));
49
50#else /* DO_NOT_USE_STRCPY */
51
52/* for "normal" data (free'd before end of process) */
53# define sm_strdup_x(str) strcpy(sm_malloc_x(strlen(str) + 1), str)
54
55/* for data that is supposed to be persistent. */
56# define sm_pstrdup_x(str) strcpy(sm_pmalloc_x(strlen(str) + 1), str)
57
58# define sm_strdup_tagged_x(str, file, line, group) \
59	strcpy(sm_malloc_tagged_x(strlen(str) + 1, file, line, group), str)
60#endif /* DO_NOT_USE_STRCPY */
61
62extern char *
63sm_stringf_x __P((const char *_fmt, ...));
64
65extern char *
66sm_vstringf_x __P((const char *_fmt, va_list _ap));
67
68extern size_t
69sm_strlcpy __P((char *_dst, const char *_src, ssize_t _len));
70
71extern size_t
72sm_strlcat __P((char *_dst, const char *_src, ssize_t _len));
73
74extern size_t
75sm_strlcat2 __P((char *, const char *, const char *, ssize_t));
76
77extern size_t
78#ifdef __STDC__
79sm_strlcpyn(char *dst, ssize_t len, int n, ...);
80#else /* __STDC__ */
81sm_strlcpyn __P((char *,
82	ssize_t,
83	int,
84	va_dcl));
85#endif /* __STDC__ */
86
87# if !HASSTRERROR
88extern char *
89strerror __P((int _errno));
90# endif /* !HASSTRERROR */
91
92extern int
93sm_strrevcmp __P((const char *, const char *));
94
95extern int
96sm_strrevcasecmp __P((const char *, const char *));
97
98extern int
99sm_strcasecmp __P((const char *, const char *));
100
101extern int
102sm_strncasecmp __P((const char *, const char *, size_t));
103
104extern LONGLONG_T
105sm_strtoll __P((const char *, char**, int));
106
107extern ULONGLONG_T
108sm_strtoull __P((const char *, char**, int));
109
110extern void
111stripquotes __P((char *));
112
113#endif /* SM_STRING_H */
114