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
26 #include "../lib/str.h"
30 #define HUGE_STRING 5120
31 #define LONG_STRING 1024
33 #define SHORT_STRING 128
35 #define NONULL(x) (x?x:"")
36 #define ISSPACE(c) isspace((unsigned char)c)
38 extern unsigned char const __m_strdigits[128];
39 extern signed char const __m_b64digits[128];
40 extern char const __m_b64chars[64];
42 extern char const __m_b36chars_lower[36];
43 extern char const __m_b36chars_upper[36];
45 /****************************************************************************/
47 /****************************************************************************/
49 static inline int hexval(int c) {
50 return !(c & ~127) && __m_strdigits[c] < 16 ? __m_strdigits[c] : -1;
53 static inline int base64val(int c) {
54 return (c & ~127) ? -1 : __m_b64digits[c];
57 /****************************************************************************/
59 /****************************************************************************/
61 static inline int m_strisempty(const char *s) {
65 static inline ssize_t m_strlen(const char *s) {
66 return s ? strlen(s) : 0;
69 static inline ssize_t m_strnlen(const char *s, ssize_t n) {
70 const char *p = memchr(s, '\0', n);
74 /****************************************************************************/
76 /****************************************************************************/
78 static inline int m_strcmp(const char *a, const char *b) {
79 return strcmp(NONULL(a), NONULL(b));
82 static inline int m_strcasecmp(const char *a, const char *b) {
83 return strcasecmp(NONULL(a), NONULL(b));
86 static inline int m_strncmp(const char *a, const char *b, size_t n) {
87 return strncmp (NONULL(a), NONULL(b), n);
90 static inline int m_strncasecmp(const char *a, const char *b, size_t n) {
91 return strncasecmp(NONULL(a), NONULL(b), n);
94 /****************************************************************************/
96 /****************************************************************************/
98 static inline char *m_strdup(const char *s) {
99 ssize_t len = m_strlen(s);
100 return len ? p_dup(s, len + 1) : NULL;
103 static inline char *m_strreplace(char **p, const char *s) {
105 return (*p = m_strdup(s));
108 ssize_t m_strcpy(char *dst, ssize_t n, const char *src);
109 ssize_t m_strncpy(char *dst, ssize_t n, const char *src, ssize_t l);
111 static inline ssize_t m_strcat(char *dst, ssize_t n, const char *src) {
112 ssize_t dlen = m_strnlen(dst, n - 1);
113 return dlen + m_strcpy(dst + dlen, n - dlen, src);
116 static inline ssize_t
117 m_strncat(char *dst, ssize_t n, const char *src, ssize_t l) {
118 ssize_t dlen = m_strnlen(dst, n - 1);
119 return dlen + m_strncpy(dst + dlen, n - dlen, src, l);
122 /****************************************************************************/
123 /* parsing related */
124 /****************************************************************************/
126 static inline const char *skipspaces(const char *s) {
127 while (*s && isspace((unsigned char)*s))
131 static inline char *vskipspaces(const char *s) {
132 return (char *)skipspaces(s);
135 #endif /* MUTT_LIB_LIB_STR_H */