99 lines
3.0 KiB
C
99 lines
3.0 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2008, Natacha Porté
|
||
|
|
* Copyright (c) 2011, Vicent Martí
|
||
|
|
*
|
||
|
|
* Permission to use, copy, modify, and distribute this software for any
|
||
|
|
* purpose with or without fee is hereby granted, provided that the above
|
||
|
|
* copyright notice and this permission notice appear in all copies.
|
||
|
|
*
|
||
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
||
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
||
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
||
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
||
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
||
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 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) */
|
||
|
|
};
|
||
|
|
|
||
|
|
/* CONST_BUF: global buffer from a string litteral */
|
||
|
|
#define BUF_STATIC( string ) \
|
||
|
|
{ (uint8_t*) string, sizeof string - 1, sizeof string, 0, 0 }
|
||
|
|
|
||
|
|
/* VOLATILE_BUF: macro for creating a volatile buffer on the stack */
|
||
|
|
#define BUF_VOLATILE( strname ) \
|
||
|
|
{ (uint8_t*) strname, strlen( strname ), 0, 0, 0 }
|
||
|
|
|
||
|
|
/* BUFPUTSL: optimized bufputs of a string litteral */
|
||
|
|
#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( 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* );
|
||
|
|
|
||
|
|
/* bufreset: frees internal data of the buffer */
|
||
|
|
void bufreset( struct buf* );
|
||
|
|
|
||
|
|
/* bufslurp: removes a given number of bytes from the head of the array */
|
||
|
|
void bufslurp( struct buf*, size_t );
|
||
|
|
|
||
|
|
/* bufprintf: formatted printing to a buffer */
|
||
|
|
void bufprintf( struct buf*, const char*, ... ) __attribute__ ( ( format( printf, 2, 3 ) ) );
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|