wsbuffer.c File Reference

#include "wsint.h"

Go to the source code of this file.

Functions
void	ws_buffer_init (WsBuffer *buffer)
void	ws_buffer_uninit (WsBuffer *buffer)
WsBuffer *	ws_buffer_alloc ()
void	ws_buffer_free (WsBuffer *buffer)
WsBool	ws_buffer_append (WsBuffer *buffer, unsigned char *data, size_t len)
WsBool	ws_buffer_append_space (WsBuffer *buffer, unsigned char **p, size_t size)
unsigned char *	ws_buffer_ptr (WsBuffer *buffer)
size_t	ws_buffer_len (WsBuffer *buffer)
unsigned char *	ws_buffer_steal (WsBuffer *buffer)

Function Documentation

ws_buffer_alloc()

WsBuffer* ws_buffer_alloc

(

void

)

Definition at line 89 of file wsbuffer.c.

References ws_calloc().

{
    return ws_calloc(1, sizeof(WsBuffer));
}

ws_buffer_append()

WsBool ws_buffer_append	(	WsBuffer *	buffer,
		unsigned char *	data,
		size_t	len
	)

Definition at line 102 of file wsbuffer.c.

References ws_buffer_append_space(), WS_FALSE, and WS_TRUE.

{
    unsigned char *p;

    if (!ws_buffer_append_space(buffer, &p, len))
        return WS_FALSE;

    memcpy(p, data, len);

    return WS_TRUE;
}

ws_buffer_append_space()

WsBool ws_buffer_append_space	(	WsBuffer *	buffer,
		unsigned char **	p,
		size_t	size
	)

Definition at line 115 of file wsbuffer.c.

References WsBufferRec::data, WsBufferRec::len, size, WS_FALSE, ws_realloc(), and WS_TRUE.

Referenced by buffer_to_int(), read_float_from_exp(), read_float_from_point(), ws_bc_encode(), ws_buffer_append(), ws_encode_buffer(), and ws_yy_lex().

{
    unsigned char *ndata = ws_realloc(buffer->data, buffer->len + size);

    if (ndata == NULL)
        return WS_FALSE;

    buffer->data = ndata;

    if (p)
        *p = buffer->data + buffer->len;

    buffer->len += size;

    return WS_TRUE;
}

ws_buffer_free()

void ws_buffer_free

(

WsBuffer *

buffer

)

Definition at line 95 of file wsbuffer.c.

References WsBufferRec::data, and ws_free().

{
    ws_free(buffer->data);
    ws_free(buffer);
}

ws_buffer_init()

void ws_buffer_init

(

WsBuffer *

buffer

)

Definition at line 74 of file wsbuffer.c.

References WsBufferRec::data, and WsBufferRec::len.

Referenced by compile_stream(), ws_bc_encode(), and ws_yy_lex().

{
    buffer->len = 0;
    buffer->data = NULL;
}

ws_buffer_len()

size_t ws_buffer_len

(

WsBuffer *

buffer

)

Definition at line 139 of file wsbuffer.c.

References WsBufferRec::len.

Referenced by compile_stream(), ws_asm_linearize(), ws_bc_encode(), and ws_yy_lex().

{
    return buffer->len;
}

ws_buffer_ptr()

unsigned char* ws_buffer_ptr

(

WsBuffer *

buffer

)

Definition at line 133 of file wsbuffer.c.

References WsBufferRec::data.

Referenced by buffer_to_int(), compile_stream(), read_float_from_exp(), and ws_bc_encode().

{
    return buffer->data;
}

ws_buffer_steal()

unsigned char* ws_buffer_steal

(

WsBuffer *

buffer

)

Definition at line 145 of file wsbuffer.c.

References WsBufferRec::data, and WsBufferRec::len.

{
    unsigned char *p = buffer->data;

    buffer->data = NULL;
    buffer->len = 0;

    return p;
}

ws_buffer_uninit()

void ws_buffer_uninit

(

WsBuffer *

buffer

)

Definition at line 81 of file wsbuffer.c.

References WsBufferRec::data, WsBufferRec::len, and ws_free().

Referenced by compile_stream(), ws_bc_encode(), and ws_yy_lex().

{
    ws_free(buffer->data);
    buffer->len = 0;
    buffer->data = NULL;
}