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
28 #define HUGE_STRING 5120
29 #define LONG_STRING 1024
31 #define SHORT_STRING 128
33 #define NONULL(x) (x?x:"")
34 #define ISSPACE(c) isspace((unsigned char)c)
36 extern unsigned char const __m_strdigits[128];
37 extern signed char const __m_b64digits[128];
38 extern char const __m_b64chars[64];
40 extern char const __m_b36chars_lower[36];
41 extern char const __m_b36chars_upper[36];
43 /****************************************************************************/
45 /****************************************************************************/
47 static inline int hexval(int c) {
48 return !(c & ~127) && __m_strdigits[c] < 16 ? __m_strdigits[c] : -1;
51 static inline int base64val(int c) {
52 return (c & ~127) ? -1 : __m_b64digits[c];
55 static inline void m_strtolower(char *p) {
57 *p = tolower((unsigned char)*p);
60 /****************************************************************************/
62 /****************************************************************************/
64 static inline int m_strisempty(const char *s) {
68 static inline ssize_t m_strlen(const char *s) {
69 return s ? strlen(s) : 0;
72 static inline ssize_t m_strnlen(const char *s, ssize_t n) {
73 const char *p = memchr(s, '\0', n);
77 /****************************************************************************/
79 /****************************************************************************/
81 static inline int m_strcmp(const char *a, const char *b) {
82 return strcmp(NONULL(a), NONULL(b));
85 static inline int m_strcasecmp(const char *a, const char *b) {
86 return strcasecmp(NONULL(a), NONULL(b));
89 static inline int m_strncmp(const char *a, const char *b, ssize_t n) {
90 return strncmp (NONULL(a), NONULL(b), n);
93 static inline int m_strncasecmp(const char *a, const char *b, ssize_t n) {
94 return strncasecmp(NONULL(a), NONULL(b), n);
97 /****************************************************************************/
99 /****************************************************************************/
101 static inline char *m_strdup(const char *s) {
102 ssize_t len = m_strlen(s);
103 return len ? p_dup(s, len + 1) : NULL;
106 static inline char *m_substrdup(const char *s, const char *end) {
107 return p_dupstr(s, end ? end - s : m_strlen(s));
110 static inline char *m_strreplace(char **p, const char *s) {
112 return (*p = m_strdup(s));
115 ssize_t m_strcpy(char *dst, ssize_t n, const char *src);
116 ssize_t m_strncpy(char *dst, ssize_t n, const char *src, ssize_t l);
118 static inline ssize_t m_strcat(char *dst, ssize_t n, const char *src) {
119 ssize_t dlen = m_strnlen(dst, n - 1);
120 return dlen + m_strcpy(dst + dlen, n - dlen, src);
123 static inline ssize_t
124 m_strncat(char *dst, ssize_t n, const char *src, ssize_t l) {
125 ssize_t dlen = m_strnlen(dst, n - 1);
126 return dlen + m_strncpy(dst + dlen, n - dlen, src, l);
129 /****************************************************************************/
130 /* parsing related */
131 /****************************************************************************/
133 static inline const char *m_strchrnul(const char *s, int c) {
134 while (*s && *s != c)
139 static inline const char *m_strnextsp(const char *s) {
140 while (*s && !isspace((unsigned char)*s))
145 static inline const char *skipspaces(const char *s) {
146 while (*s && isspace((unsigned char)*s))
150 static inline char *vskipspaces(const char *s) {
151 return (char *)skipspaces(s);
154 char *m_strrtrim(char *s);
156 /****************************************************************************/
158 /****************************************************************************/
161 m_stristrn(const char *haystack, const char *needle, ssize_t nlen);
163 static inline const char *
164 m_stristr(const char *haystack, const char *needle) {
165 return m_stristrn(haystack, needle, m_strlen(needle));
168 #endif /* MUTT_LIB_LIB_STR_H */