/* vifm
 * Copyright (C) 2001 Ken Steen.
 * Copyright (C) 2011 xaizek.
 *
 * This program 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 program 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */

#ifndef VIFM__UTILS__STR_H__
#define VIFM__UTILS__STR_H__

#include <inttypes.h> /* PRIu64 */
#include <stddef.h> /* size_t wchar_t */

#include "macros.h"

#if defined(_WIN32) && !defined(_WIN64)
#ifdef BROKEN_SWPRINTF
#define WPRINTF_WSTR L"s"
#else
#define WPRINTF_WSTR L"ls"
#endif
#define PRINTF_ULL PRIu64
#else
#define WPRINTF_WSTR L"ls"
#define PRINTF_ULL "llu"
#endif

/* Various string functions. */

/* Duplicates a wide-character string.  Returns pointer to new string or NULL on
 * error. */
wchar_t * vifm_wcsdup(const wchar_t ws[]);

/* Checks whether str starts with the given prefix.  Returns non-zero if it's
 * so, otherwise zero is returned. */
int starts_with(const char str[], const char prefix[]);

/* Checks whether str starts with the given prefix of specified length.  Returns
 * non-zero if it's so, otherwise zero is returned. */
int starts_withn(const char str[], const char prefix[], size_t prefix_len);

/* A wrapper of swprintf() functions to make its differences on various
 * platforms transparently in other parts of the program. */
int vifm_swprintf(wchar_t str[], size_t len, const wchar_t format[], ...);

/* Copies characters from the string pointed to by str to piece of memory of
 * size dst_len pointed to by dst.  Ensures that copied string ends with null
 * character.  Does nothing for zero dst_len.  Returns number of characters
 * written, including terminating null character. */
size_t copy_str(char dst[], size_t dst_len, const char src[]);

/* Checks if the c is one of characters in the list string. c cannot be '\0'. */
int char_is_one_of(const char *list, char c);

/* Unescapes string in place (removes extra slashes).  regexp flag narrows set
 * of unescaped characters to "/". */
void unescape(char s[], int regexp);

#endif /* VIFM__UTILS__STR_H__ */

/* vim: set tabstop=2 softtabstop=2 shiftwidth=2 noexpandtab cinoptions-=(0 : */
/* vim: set cinoptions+=t0 filetype=c : */