2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or (at
5 * your option) any later version.
7 * This program is distributed in the hope that it will be useful, but
8 * WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
10 * General Public License for more details.
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
17 * Copyright © 2006 Pierre Habouzit
20 #ifndef MUTT_LIB_LIB_STR_H
21 #define MUTT_LIB_LIB_STR_H
23 #define HUGE_STRING 5120
24 #define LONG_STRING 1024
26 #define SHORT_STRING 128
28 #define NONULL(x) (x?x:"")
29 #define ISSPACE(c) isspace((unsigned char)c)
31 extern unsigned char const __m_strdigits[128];
32 extern signed char const __m_b64digits[128];
33 extern char const __m_b64chars[64];
35 extern char const __m_b36chars_lower[36];
36 extern char const __m_b36chars_upper[36];
38 /****************************************************************************/
40 /****************************************************************************/
42 static inline int hexval(int c) {
43 return !(c & ~127) && __m_strdigits[c] < 16 ? __m_strdigits[c] : -1;
46 static inline int base64val(int c) {
47 return (c & ~127) ? -1 : __m_b64digits[c];
50 static inline void m_strtolower(char *p) {
52 *p = tolower((unsigned char)*p);
55 /****************************************************************************/
57 /****************************************************************************/
59 static inline int m_strisempty(const char *s) {
63 static inline ssize_t m_strlen(const char *s) {
64 return s ? strlen(s) : 0;
67 static inline ssize_t m_strnlen(const char *s, ssize_t n) {
68 const char *p = memchr(s, '\0', n);
72 /****************************************************************************/
74 /****************************************************************************/
76 static inline int m_strcmp(const char *a, const char *b) {
77 return strcmp(NONULL(a), NONULL(b));
80 static inline int m_strcasecmp(const char *a, const char *b) {
81 return strcasecmp(NONULL(a), NONULL(b));
84 static inline int m_strncmp(const char *a, const char *b, ssize_t n) {
85 return strncmp (NONULL(a), NONULL(b), n);
88 static inline int m_strncasecmp(const char *a, const char *b, ssize_t n) {
89 return strncasecmp(NONULL(a), NONULL(b), n);
92 /****************************************************************************/
94 /****************************************************************************/
96 static inline char *m_strdup(const char *s) {
97 ssize_t len = m_strlen(s);
98 return len ? p_dup(s, len + 1) : NULL;
101 static inline char *m_substrdup(const char *s, const char *end) {
102 return p_dupstr(s, end ? end - s : m_strlen(s));
105 static inline char *m_strreplace(char **p, const char *s) {
107 return (*p = m_strdup(s));
110 ssize_t m_strcpy(char *dst, ssize_t n, const char *src);
111 ssize_t m_strncpy(char *dst, ssize_t n, const char *src, ssize_t l);
113 static inline ssize_t m_strcat(char *dst, ssize_t n, const char *src) {
114 ssize_t dlen = m_strnlen(dst, n - 1);
115 return dlen + m_strcpy(dst + dlen, n - dlen, src);
118 static inline ssize_t
119 m_strncat(char *dst, ssize_t n, const char *src, ssize_t l) {
120 ssize_t dlen = m_strnlen(dst, n - 1);
121 return dlen + m_strncpy(dst + dlen, n - dlen, src, l);
124 /****************************************************************************/
125 /* parsing related */
126 /****************************************************************************/
128 static inline const char *m_strchrnul(const char *s, int c) {
129 while (*s && *s != c)
134 static inline const char *m_strnextsp(const char *s) {
135 while (*s && !isspace((unsigned char)*s))
140 static inline const char *skipspaces(const char *s) {
141 while (*s && isspace((unsigned char)*s))
145 static inline char *vskipspaces(const char *s) {
146 return (char *)skipspaces(s);
149 char *m_strrtrim(char *s);
151 /****************************************************************************/
153 /****************************************************************************/
156 m_stristrn(const char *haystack, const char *needle, ssize_t nlen);
158 static inline const char *
159 m_stristr(const char *haystack, const char *needle) {
160 return m_stristrn(haystack, needle, m_strlen(needle));
163 #endif /* MUTT_LIB_LIB_STR_H */