mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-01 14:45:29 +00:00
125 lines
2.9 KiB
C
125 lines
2.9 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape Public License
|
|
* Version 1.0 (the "NPL"); you may not use this file except in
|
|
* compliance with the NPL. You may obtain a copy of the NPL at
|
|
* http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
|
* for the specific language governing rights and limitations under the
|
|
* NPL.
|
|
*
|
|
* The Initial Developer of this code under the NPL is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
|
* Reserved.
|
|
*/
|
|
/**********************************************************************
|
|
cvsimple.c
|
|
By Daniel Malmer <malmer@netscape.com>
|
|
1/14/98
|
|
|
|
Simple converter that just saves the data in a buffer.
|
|
|
|
**********************************************************************/
|
|
|
|
#include "cvsimple.h"
|
|
#include "xp.h"
|
|
#include "prmem.h"
|
|
|
|
typedef void (*simple_complete_t)(void* bytes, int32 bytes_written);
|
|
|
|
typedef struct {
|
|
unsigned char* bytes;
|
|
int32 bytes_written;
|
|
int32 max_bytes;
|
|
simple_complete_t complete;
|
|
} NET_SimpleStreamData;
|
|
|
|
|
|
/*
|
|
* simple_complete
|
|
*/
|
|
PRIVATE void
|
|
simple_complete(NET_StreamClass *stream)
|
|
{
|
|
NET_SimpleStreamData* obj = (NET_SimpleStreamData*) stream->data_object;
|
|
|
|
if ( obj && obj->complete ) {
|
|
(obj->complete)(obj->bytes, obj->bytes_written);
|
|
}
|
|
|
|
if ( obj && obj->bytes ) PR_Free(obj->bytes);
|
|
if ( obj ) PR_Free(obj);
|
|
}
|
|
|
|
|
|
/*
|
|
* simple_abort
|
|
*/
|
|
PRIVATE void
|
|
simple_abort(NET_StreamClass *stream, int status)
|
|
{
|
|
NET_SimpleStreamData* obj = (NET_SimpleStreamData*) stream->data_object;
|
|
|
|
if ( obj && obj->bytes ) PR_Free(obj->bytes);
|
|
if ( obj ) PR_Free(obj);
|
|
}
|
|
|
|
|
|
/*
|
|
* simple_write
|
|
*/
|
|
PRIVATE int
|
|
simple_write(NET_StreamClass *stream, const char* str, int32 len)
|
|
{
|
|
NET_SimpleStreamData* obj = (NET_SimpleStreamData*) stream->data_object;
|
|
|
|
if ( obj->bytes_written + len > obj->max_bytes ) {
|
|
/* Round to nearest 1024 */
|
|
obj->max_bytes = ( ( ( (obj->max_bytes + len) >> 10) + 1) << 10);
|
|
obj->bytes = PR_Realloc(obj->bytes, obj->max_bytes);
|
|
}
|
|
|
|
memcpy(obj->bytes + obj->bytes_written, str, len);
|
|
obj->bytes_written+= len;
|
|
|
|
return MK_DATA_LOADED;
|
|
}
|
|
|
|
|
|
/*
|
|
* simple_write_ready
|
|
*/
|
|
PRIVATE unsigned int
|
|
simple_write_ready(NET_StreamClass *stream)
|
|
{
|
|
return MAX_WRITE_READY;
|
|
}
|
|
|
|
|
|
/*
|
|
* NET_SimpleStream
|
|
* Simple stream constructor.
|
|
*/
|
|
MODULE_PRIVATE NET_StreamClass*
|
|
NET_SimpleStream(int fmt, void* data_obj, URL_Struct* URL_s, MWContext* w)
|
|
{
|
|
NET_SimpleStreamData* obj;
|
|
|
|
if ( (obj = PR_NEWZAP(NET_SimpleStreamData)) == NULL ) {
|
|
return NULL;
|
|
}
|
|
|
|
obj->bytes = NULL;
|
|
obj->bytes_written = 0;
|
|
obj->max_bytes = 0;
|
|
obj->complete = (simple_complete_t) data_obj;
|
|
|
|
return NET_NewStream("SimpleStream", simple_write, simple_complete,
|
|
simple_abort, simple_write_ready, obj, w);
|
|
}
|
|
|
|
|