/* SPDX-License-Identifier:	GPL-2.0+*/
#ifndef HEADER_BUFFER_H
#define HEADER_BUFFER_H

#include "ossl_typ.h"

#ifdef __cplusplus
extern "C" {
#endif

#include <stddef.h>
//typedef unsigned int size_t;
//#define offsetof(s,m)   (size_t)&(((s *)0)->m)

/* Already declared in ossl_typ.h */
/* typedef struct buf_mem_st BUF_MEM; */

struct buf_mem_st {
	int length; /* current number of bytes */
	char *data;
	int max; /* size of buffer */
};

BUF_MEM *BUF_MEM_new(void);
void BUF_MEM_free(BUF_MEM *a);
int BUF_MEM_grow(BUF_MEM *str, int len);
int BUF_MEM_grow_clean(BUF_MEM *str, int len);
char *BUF_strdup(const char *str);
char *BUF_strndup(const char *str, size_t siz);
void *BUF_memdup(const void *data, size_t siz);

/* safe string functions */
size_t BUF_strlcpy(char *dst, const char *src, size_t siz);
size_t BUF_strlcat(char *dst, const char *src, size_t siz);

/* BEGIN ERROR CODES */
/* The following lines are auto generated by the script mkerr.pl. Any changes
 * made after this point may be overwritten when the script is next run.
 */
void ERR_load_BUF_strings(void);

/* Error codes for the BUF functions. */

/* Function codes. */
#define BUF_F_BUF_MEMDUP 103
#define BUF_F_BUF_MEM_GROW 100
#define BUF_F_BUF_MEM_GROW_CLEAN 105
#define BUF_F_BUF_MEM_NEW 101
#define BUF_F_BUF_STRDUP 102
#define BUF_F_BUF_STRNDUP 104

/* Reason codes. */

#ifdef __cplusplus
}
#endif
#endif
