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/*********************************************************************
* bfs *
* Copyright (C) 2016 Tavian Barnes <tavianator@tavianator.com> *
* *
* This program is free software. It comes without any warranty, to *
* the extent permitted by applicable law. You can redistribute it *
* and/or modify it under the terms of the Do What The Fuck You Want *
* To Public License, Version 2, as published by Sam Hocevar. See *
* the COPYING file or http://www.wtfpl.net/ for more details. *
*********************************************************************/
#ifndef BFS_DSTRING_H
#define BFS_DSTRING_H
#include <stddef.h>
/**
* Allocate a dynamic string.
*
* @param capacity
* The initial capacity of the string.
*/
char *dstralloc(size_t capacity);
/**
* Get a dynamic string's length.
*
* @param dstr
* The string to measure.
* @return The length of dstr.
*/
size_t dstrlen(const char *dstr);
/**
* Reserve some capacity in a dynamic string.
*
* @param dstr
* The dynamic string to preallocate.
* @param capacity
* The new capacity for the string.
* @return 0 on success, -1 on failure.
*/
int dstreserve(char **dstr, size_t capacity);
/**
* Resize a dynamic string.
*
* @param dstr
* The dynamic string to resize.
* @param length
* The new length for the dynamic string.
* @return 0 on success, -1 on failure.
*/
int dstresize(char **dstr, size_t length);
/**
* Append to a dynamic string.
*
* @param dest
* The destination dynamic string.
* @param src
* The string to append.
* @return 0 on success, -1 on failure.
*/
int dstrcat(char **dest, const char *src);
/**
* Append to a dynamic string.
*
* @param dest
* The destination dynamic string.
* @param src
* The string to append.
* @param n
* The maximum number of characters to take from src.
* @return 0 on success, -1 on failure.
*/
int dstrncat(char **dest, const char *src, size_t n);
/**
* Append a single character to a dynamic string.
*
* @param str
* The string to append to.
* @param c
* The character to append.
* @return 0 on success, -1 on failure.
*/
int dstrapp(char **str, char c);
/**
* Free a dynamic string.
*
* @param dstr
* The string to free.
*/
void dstrfree(char *dstr);
#endif // BFS_DSTRING_H
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