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#ifndef STR_H
#define STR_H
/* $OpenBSD: str.h,v 1.2 2010/07/19 19:46:44 espie Exp $ */
/*
* Copyright (c) 2001 Marc Espie.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE OPENBSD PROJECT AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBSD
* PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* pos = Str_rchri(str, end, c);
* strrchr on intervals. */
extern char *Str_rchri(const char *, const char *, int);
/* copy = Str_concati(s1, e1, s2, e2, sep);
* Concatenate strings s1/e1 and s2/e2, wedging separator sep if != 0. */
extern char *Str_concati(const char *, const char *, const char *, const char *, int);
#define Str_concat(s1, s2, sep) Str_concati(s1, strchr(s1, '\0'), s2, strchr(s2, '\0'), sep)
/* copy = Str_dupi(str, end);
* strdup on intervals. */
extern char *Str_dupi(const char *, const char *);
/* copy = escape_dupi(str, end, set);
* copy string str/end. All escape sequences such as \c with c in set
* are handled as well. */
extern char *escape_dupi(const char *, const char *, const char *);
extern char **brk_string(const char *, int *, char **);
/* Iterate through a string word by word,
* without copying anything.
* More light-weight than brk_string, handles \ ' " as well.
*
* position = s;
* while ((begin = iterate_words(&position)) != NULL) {
* do_something_with_word_interval(begin, position);
* }
*/
extern const char *iterate_words(const char **);
/* match = Str_Matchi(str, estr, pat, end);
* Checks if string str/estr matches pattern pat/end */
extern bool Str_Matchi(const char *, const char *, const char *, const char *);
#define Str_Match(string, pattern) \
Str_Matchi(string, strchr(string, '\0'), pattern, strchr(pattern, '\0'))
extern const char *Str_SYSVMatch(const char *, const char *, size_t *);
extern void Str_SYSVSubst(Buffer, const char *, const char *, size_t);
#endif
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