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/*
* libdpkg - Debian packaging suite library routines
* string.h - string handling routines
*
* Copyright © 2008-2015 Guillem Jover <guillem@debian.org>
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LIBDPKG_STRING_H
#define LIBDPKG_STRING_H
#include <stddef.h>
#include <stdbool.h>
#include <dpkg/macros.h>
DPKG_BEGIN_DECLS
/**
* @defgroup string String handling
* @ingroup dpkg-internal
* @{
*/
/**
* Check if a string is either null or empty.
*/
static inline bool
str_is_unset(const char *str)
{
return str == DPKG_NULL || str[0] == '\0';
}
/**
* Check if a string has content.
*/
static inline bool
str_is_set(const char *str)
{
return str != DPKG_NULL && str[0] != '\0';
}
bool str_match_end(const char *str, const char *end);
unsigned int str_fnv_hash(const char *str);
char *str_concat(char *dst, ...) DPKG_ATTR_SENTINEL;
char *str_fmt(const char *fmt, ...) DPKG_ATTR_PRINTF(1);
char *str_escape_fmt(char *dest, const char *src, size_t n);
char *str_quote_meta(const char *src);
char *str_strip_quotes(char *str);
char *str_rtrim_spaces(const char *str, char *str_end);
struct str_crop_info {
int str_bytes;
int max_bytes;
};
int str_width(const char *str);
void str_gen_crop(const char *str, int max_width, struct str_crop_info *crop);
/** @} */
DPKG_END_DECLS
#endif /* LIBDPKG_STRING_H */
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