yajl_buf.h File Reference

#include "yajl_common.h"
#include "yajl_alloc.h"

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Typedefs
typedef struct yajl_buf_t *	yajl_buf

Functions
yajl_buf	yajl_buf_alloc (yajl_alloc_funcs *alloc)
void	yajl_buf_free (yajl_buf buf)
void	yajl_buf_append (yajl_buf buf, const void *data, size_t len)
void	yajl_buf_clear (yajl_buf buf)
const unsigned char *	yajl_buf_data (yajl_buf buf)
size_t	yajl_buf_len (yajl_buf buf)
void	yajl_buf_truncate (yajl_buf buf, size_t len)

Typedef Documentation

typedef struct yajl_buf_t* yajl_buf

yajl_buf is a buffer with exponential growth. the buffer ensures that you are always null padded.

Definition at line 34 of file yajl_buf.h.

Function Documentation

yajl_buf yajl_buf_alloc

(

yajl_alloc_funcs *

alloc

)

Definition at line 56 of file yajl_buf.c.

{
    yajl_buf b = YA_MALLOC(alloc, sizeof(struct yajl_buf_t));
    if (b == NULL) {
        return NULL;
    }

    memset((void *) b, 0, sizeof(struct yajl_buf_t));
    b->alloc = alloc;
    return b;
}

void yajl_buf_append	(	yajl_buf	buf,
		const void *	data,
		size_t	len
	)

Definition at line 75 of file yajl_buf.c.

{
    yajl_buf_ensure_available(buf, len);
    if (len > 0) {
        assert(data != NULL);
        memcpy(buf->data + buf->used, data, len);
        buf->used += len;
        buf->data[buf->used] = 0;
    }
}

void yajl_buf_clear

(

yajl_buf

buf

)

Definition at line 86 of file yajl_buf.c.

{
    buf->used = 0;
    if (buf->data) buf->data[buf->used] = 0;
}

const unsigned char* yajl_buf_data

(

yajl_buf

buf

)

Definition at line 92 of file yajl_buf.c.

{
    return buf->data;
}

void yajl_buf_free

(

yajl_buf

buf

)

Definition at line 68 of file yajl_buf.c.

{
    assert(buf != NULL);
    if (buf->data) YA_FREE(buf->alloc, buf->data);
    YA_FREE(buf->alloc, buf);
}

size_t yajl_buf_len

(

yajl_buf

buf

)

Definition at line 97 of file yajl_buf.c.

{
    return buf->used;
}

void yajl_buf_truncate	(	yajl_buf	buf,
		size_t	len
	)

Definition at line 103 of file yajl_buf.c.

{
    assert(len <= buf->used);
    buf->used = len;
}