1 #ifndef STR_H 2 #define STR_H 3 /* $OpenBSD: str.h,v 1.2 2010/07/19 19:46:44 espie Exp $ */ 4 /* 5 * Copyright (c) 2001 Marc Espie. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE OPENBSD PROJECT AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBSD 20 * PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 /* pos = Str_rchri(str, end, c); 30 * strrchr on intervals. */ 31 extern char *Str_rchri(const char *, const char *, int); 32 33 /* copy = Str_concati(s1, e1, s2, e2, sep); 34 * Concatenate strings s1/e1 and s2/e2, wedging separator sep if != 0. */ 35 extern char *Str_concati(const char *, const char *, const char *, const char *, int); 36 #define Str_concat(s1, s2, sep) Str_concati(s1, strchr(s1, '\0'), s2, strchr(s2, '\0'), sep) 37 38 /* copy = Str_dupi(str, end); 39 * strdup on intervals. */ 40 extern char *Str_dupi(const char *, const char *); 41 42 /* copy = escape_dupi(str, end, set); 43 * copy string str/end. All escape sequences such as \c with c in set 44 * are handled as well. */ 45 extern char *escape_dupi(const char *, const char *, const char *); 46 47 48 extern char **brk_string(const char *, int *, char **); 49 50 51 /* Iterate through a string word by word, 52 * without copying anything. 53 * More light-weight than brk_string, handles \ ' " as well. 54 * 55 * position = s; 56 * while ((begin = iterate_words(&position)) != NULL) { 57 * do_something_with_word_interval(begin, position); 58 * } 59 */ 60 extern const char *iterate_words(const char **); 61 62 /* match = Str_Matchi(str, estr, pat, end); 63 * Checks if string str/estr matches pattern pat/end */ 64 extern bool Str_Matchi(const char *, const char *, const char *, const char *); 65 #define Str_Match(string, pattern) \ 66 Str_Matchi(string, strchr(string, '\0'), pattern, strchr(pattern, '\0')) 67 68 extern const char *Str_SYSVMatch(const char *, const char *, size_t *); 69 extern void Str_SYSVSubst(Buffer, const char *, const char *, size_t); 70 #endif 71