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#ifndef CMARK_BUFFER_H
#define CMARK_BUFFER_H
#include <stddef.h>
#include <stdarg.h>
#include <limits.h>
#include "config.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef int bufsize_t;
typedef struct {
unsigned char *ptr;
bufsize_t asize, size;
} cmark_strbuf;
extern unsigned char cmark_strbuf__initbuf[];
#define GH_BUF_INIT { cmark_strbuf__initbuf, 0, 0 }
#define BUFSIZE_MAX INT_MAX
/**
* Initialize a cmark_strbuf structure.
*
* For the cases where GH_BUF_INIT cannot be used to do static
* initialization.
*/
void cmark_strbuf_init(cmark_strbuf *buf, bufsize_t initial_size);
/**
* Grow the buffer to hold at least `target_size` bytes.
*/
void cmark_strbuf_grow(cmark_strbuf *buf, bufsize_t target_size);
void cmark_strbuf_free(cmark_strbuf *buf);
void cmark_strbuf_swap(cmark_strbuf *buf_a, cmark_strbuf *buf_b);
size_t cmark_strbuf_len(const cmark_strbuf *buf);
int cmark_strbuf_cmp(const cmark_strbuf *a, const cmark_strbuf *b);
void cmark_strbuf_attach(cmark_strbuf *buf, unsigned char *ptr, bufsize_t asize);
unsigned char *cmark_strbuf_detach(cmark_strbuf *buf);
void cmark_strbuf_copy_cstr(char *data, bufsize_t datasize, const cmark_strbuf *buf);
static inline const char *cmark_strbuf_cstr(const cmark_strbuf *buf)
{
return (char *)buf->ptr;
}
#define cmark_strbuf_at(buf, n) ((buf)->ptr[n])
void cmark_strbuf_set(cmark_strbuf *buf, const unsigned char *data, bufsize_t len);
void cmark_strbuf_sets(cmark_strbuf *buf, const char *string);
void cmark_strbuf_putc(cmark_strbuf *buf, int c);
void cmark_strbuf_put(cmark_strbuf *buf, const unsigned char *data, bufsize_t len);
void cmark_strbuf_puts(cmark_strbuf *buf, const char *string);
void cmark_strbuf_printf(cmark_strbuf *buf, const char *format, ...)
CMARK_ATTRIBUTE((format (printf, 2, 3)));
void cmark_strbuf_vprintf(cmark_strbuf *buf, const char *format, va_list ap);
void cmark_strbuf_clear(cmark_strbuf *buf);
bufsize_t cmark_strbuf_strchr(const cmark_strbuf *buf, int c, bufsize_t pos);
bufsize_t cmark_strbuf_strrchr(const cmark_strbuf *buf, int c, bufsize_t pos);
void cmark_strbuf_drop(cmark_strbuf *buf, bufsize_t n);
void cmark_strbuf_truncate(cmark_strbuf *buf, bufsize_t len);
void cmark_strbuf_rtrim(cmark_strbuf *buf);
void cmark_strbuf_trim(cmark_strbuf *buf);
void cmark_strbuf_normalize_whitespace(cmark_strbuf *s);
void cmark_strbuf_unescape(cmark_strbuf *s);
/* Print error and abort. */
void cmark_strbuf_overflow_err(void);
#ifdef __cplusplus
}
#endif
#endif
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