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|
/*
+----------------------------------------------------------------------+
| PHP Version 4 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2002 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 2.02 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available at through the world-wide-web at |
| http://www.php.net/license/2_02.txt. |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Hartmut Holzgraefe <hartmut@six.de> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#define IS_EXT_MODULE
#define _GNU_SOURCE
#include "php.h"
#include "php_zlib.h"
#include "fopen_wrappers.h"
struct php_gz_stream_data_t {
gzFile gz_file;
php_stream *stream;
};
static size_t php_gziop_read(php_stream *stream, char *buf, size_t count)
{
struct php_gz_stream_data_t *self = (struct php_gz_stream_data_t *)stream->abstract;
if (buf == NULL && count == 0) {
if (gzeof(self->gz_file))
return EOF;
return 0;
}
return gzread(self->gz_file, buf, count);
}
static char *php_gziop_gets(php_stream *stream, char *buf, size_t size)
{
struct php_gz_stream_data_t *self = (struct php_gz_stream_data_t *)stream->abstract;
return gzgets(self->gz_file, buf, size);
}
static size_t php_gziop_write(php_stream *stream, const char *buf, size_t count)
{
struct php_gz_stream_data_t *self = (struct php_gz_stream_data_t *)stream->abstract;
return gzwrite(self->gz_file, (char*)buf, count);
}
static int php_gziop_seek(php_stream *stream, off_t offset, int whence)
{
struct php_gz_stream_data_t *self = (struct php_gz_stream_data_t *)stream->abstract;
return gzseek(self->gz_file, offset, whence);
}
static int php_gziop_close(php_stream *stream, int close_handle)
{
struct php_gz_stream_data_t *self = (struct php_gz_stream_data_t *)stream->abstract;
int ret;
if (close_handle)
ret = gzclose(self->gz_file);
php_stream_free(self->stream, close_handle);
efree(self);
return ret;
}
php_stream_ops php_stream_gzio_ops = {
php_gziop_write, php_gziop_read,
php_gziop_close, NULL,
php_gziop_seek, php_gziop_gets,
NULL, "ZLIB"
};
php_stream *php_stream_gzopen(char *path, char *mode, int options, char **opened_path TSRMLS_DC)
{
struct php_gz_stream_data_t *self;
php_stream *stream = NULL;
self = emalloc(sizeof(*self));
while(*path != ':')
path++;
path++;
self->stream = php_stream_open_wrapper(path, mode, options, opened_path TSRMLS_CC);
if (self->stream) {
int fd;
if (SUCCESS == php_stream_cast(self->stream, PHP_STREAM_AS_FD, (void**)&fd, REPORT_ERRORS)) {
self->gz_file = gzdopen(fd, mode);
if (self->gz_file) {
stream = php_stream_alloc(&php_stream_gzio_ops, self, 0, mode);
if (stream)
return stream;
gzclose(self->gz_file);
}
}
}
if (stream)
php_stream_close(stream);
if (self && self->stream)
php_stream_close(self->stream);
if (self)
efree(self);
return NULL;
}
php_stream_wrapper php_stream_gzip_wrapper = {
php_stream_gzopen,
NULL
};
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
*/
|
