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/*
* Copyright (c) 2008, Natacha Porté
* Copyright (c) 2015, Vicent Marti
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef BUFFER_H__
#define BUFFER_H__
#include <stddef.h>
#include <stdarg.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
#if defined(_MSC_VER)
#define __attribute__(x)
#define inline
#endif
typedef enum {
BUF_OK = 0,
BUF_ENOMEM = -1,
} buferror_t;
/* struct buf: character array buffer */
struct buf {
uint8_t *data; /* actual character data */
size_t size; /* size of the string */
size_t asize; /* allocated size (0 = volatile buffer) */
size_t unit; /* reallocation unit size (0 = read-only buffer) */
};
/* BUFPUTSL: optimized bufputs of a string literal */
#define BUFPUTSL(output, literal) \
bufput(output, literal, sizeof literal - 1)
/* bufgrow: increasing the allocated size to the given value */
int bufgrow(struct buf *, size_t);
/* bufnew: allocation of a new buffer */
struct buf *bufnew(size_t) __attribute__ ((malloc));
/* bufnullterm: NUL-termination of the string array (making a C-string) */
const char *bufcstr(const struct buf *);
/* bufprefix: compare the beginning of a buffer with a string */
int bufprefix(const struct buf *buf, const char *prefix);
/* bufput: appends raw data to a buffer */
void bufput(struct buf *, const void *, size_t);
/* bufputs: appends a NUL-terminated string to a buffer */
void bufputs(struct buf *, const char *);
/* bufputc: appends a single char to a buffer */
void bufputc(struct buf *, int);
/* bufrelease: decrease the reference count and free the buffer if needed */
void bufrelease(struct buf *);
/* bufprintf: formatted printing to a buffer */
void bufprintf(struct buf *, const char *, ...) __attribute__ ((format (printf, 2, 3)));
#ifdef __cplusplus
}
#endif
#endif
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