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-rw-r--r--main/streams/cast.c350
1 files changed, 0 insertions, 350 deletions
diff --git a/main/streams/cast.c b/main/streams/cast.c
deleted file mode 100644
index 1bdb78baa1..0000000000
--- a/main/streams/cast.c
+++ /dev/null
@@ -1,350 +0,0 @@
-/*
- +----------------------------------------------------------------------+
- | PHP Version 5 |
- +----------------------------------------------------------------------+
- | Copyright (c) 1997-2005 The PHP Group |
- +----------------------------------------------------------------------+
- | This source file is subject to version 3.0 of the PHP license, |
- | that is bundled with this package in the file LICENSE, and is |
- | available through the world-wide-web at the following url: |
- | http://www.php.net/license/3_0.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. |
- +----------------------------------------------------------------------+
- | Authors: Wez Furlong <wez@thebrainroom.com> |
- +----------------------------------------------------------------------+
- */
-
-/* $Id$ */
-
-#define _GNU_SOURCE
-#include "php.h"
-#include "php_globals.h"
-#include "php_network.h"
-#include "php_open_temporary_file.h"
-#include "ext/standard/file.h"
-#include <stddef.h>
-#include <fcntl.h>
-
-#include "php_streams_int.h"
-
-/* Under BSD, emulate fopencookie using funopen */
-#if HAVE_FUNOPEN
-typedef struct {
- int (*reader)(void *, char *, int);
- int (*writer)(void *, const char *, int);
- fpos_t (*seeker)(void *, fpos_t, int);
- int (*closer)(void *);
-} COOKIE_IO_FUNCTIONS_T;
-
-FILE *fopencookie(void *cookie, const char *mode, COOKIE_IO_FUNCTIONS_T *funcs)
-{
- return funopen(cookie, funcs->reader, funcs->writer, funcs->seeker, funcs->closer);
-}
-# define HAVE_FOPENCOOKIE 1
-# define PHP_STREAM_COOKIE_FUNCTIONS &stream_cookie_functions
-#elif HAVE_FOPENCOOKIE
-# define PHP_STREAM_COOKIE_FUNCTIONS stream_cookie_functions
-#endif
-
-/* {{{ STDIO with fopencookie */
-#if HAVE_FUNOPEN
-/* use our fopencookie emulation */
-static int stream_cookie_reader(void *cookie, char *buffer, int size)
-{
- int ret;
- TSRMLS_FETCH();
- ret = php_stream_read((php_stream*)cookie, buffer, size);
- return ret;
-}
-
-static int stream_cookie_writer(void *cookie, const char *buffer, int size)
-{
- TSRMLS_FETCH();
- return php_stream_write((php_stream *)cookie, (char *)buffer, size);
-}
-
-static fpos_t stream_cookie_seeker(void *cookie, off_t position, int whence)
-{
- TSRMLS_FETCH();
- return (fpos_t)php_stream_seek((php_stream *)cookie, position, whence);
-}
-
-static int stream_cookie_closer(void *cookie)
-{
- php_stream *stream = (php_stream*)cookie;
- TSRMLS_FETCH();
-
- /* prevent recursion */
- stream->fclose_stdiocast = PHP_STREAM_FCLOSE_NONE;
- return php_stream_close(stream);
-}
-
-#elif HAVE_FOPENCOOKIE
-static ssize_t stream_cookie_reader(void *cookie, char *buffer, size_t size)
-{
- ssize_t ret;
- TSRMLS_FETCH();
- ret = php_stream_read(((php_stream *)cookie), buffer, size);
- return ret;
-}
-
-static ssize_t stream_cookie_writer(void *cookie, const char *buffer, size_t size)
-{
- TSRMLS_FETCH();
- return php_stream_write(((php_stream *)cookie), (char *)buffer, size);
-}
-
-#ifdef COOKIE_SEEKER_USES_OFF64_T
-static int stream_cookie_seeker(void *cookie, __off64_t *position, int whence)
-{
- TSRMLS_FETCH();
-
- *position = php_stream_seek((php_stream *)cookie, (off_t)*position, whence);
-
- if (*position == -1)
- return -1;
- return 0;
-}
-#else
-static int stream_cookie_seeker(void *cookie, off_t position, int whence)
-{
- TSRMLS_FETCH();
- return php_stream_seek((php_stream *)cookie, position, whence);
-}
-#endif
-
-static int stream_cookie_closer(void *cookie)
-{
- php_stream *stream = (php_stream*)cookie;
- TSRMLS_FETCH();
-
- /* prevent recursion */
- stream->fclose_stdiocast = PHP_STREAM_FCLOSE_NONE;
- return php_stream_close(stream);
-}
-#endif /* elif HAVE_FOPENCOOKIE */
-
-#if HAVE_FOPENCOOKIE
-static COOKIE_IO_FUNCTIONS_T stream_cookie_functions =
-{
- stream_cookie_reader, stream_cookie_writer,
- stream_cookie_seeker, stream_cookie_closer
-};
-#else
-/* TODO: use socketpair() to emulate fopencookie, as suggested by Hartmut ? */
-#endif
-/* }}} */
-
-/* {{{ php_stream_cast */
-PHPAPI int _php_stream_cast(php_stream *stream, int castas, void **ret, int show_err TSRMLS_DC)
-{
- int flags = castas & PHP_STREAM_CAST_MASK;
- castas &= ~PHP_STREAM_CAST_MASK;
-
- /* synchronize our buffer (if possible) */
- if (ret && castas != PHP_STREAM_AS_FD_FOR_SELECT) {
- php_stream_flush(stream);
- if (stream->ops->seek && (stream->flags & PHP_STREAM_FLAG_NO_SEEK) == 0) {
- off_t dummy;
-
- stream->ops->seek(stream, stream->position, SEEK_SET, &dummy TSRMLS_CC);
- stream->readpos = stream->writepos = 0;
- }
- }
-
- /* filtered streams can only be cast as stdio, and only when fopencookie is present */
-
- if (castas == PHP_STREAM_AS_STDIO) {
- if (stream->stdiocast) {
- if (ret) {
- *(FILE**)ret = stream->stdiocast;
- }
- goto exit_success;
- }
-
- /* if the stream is a stdio stream let's give it a chance to respond
- * first, to avoid doubling up the layers of stdio with an fopencookie */
- if (php_stream_is(stream, PHP_STREAM_IS_STDIO) &&
- stream->ops->cast &&
- !php_stream_is_filtered(stream) &&
- stream->ops->cast(stream, castas, ret TSRMLS_CC) == SUCCESS)
- {
- goto exit_success;
- }
-
-#if HAVE_FOPENCOOKIE
- /* if just checking, say yes we can be a FILE*, but don't actually create it yet */
- if (ret == NULL)
- goto exit_success;
-
- *(FILE**)ret = fopencookie(stream, stream->mode, PHP_STREAM_COOKIE_FUNCTIONS);
-
- if (*ret != NULL) {
- off_t pos;
-
- stream->fclose_stdiocast = PHP_STREAM_FCLOSE_FOPENCOOKIE;
-
- /* If the stream position is not at the start, we need to force
- * the stdio layer to believe it's real location. */
- pos = php_stream_tell(stream);
- if (pos > 0)
- fseek(*ret, pos, SEEK_SET);
-
- goto exit_success;
- }
-
- /* must be either:
- a) programmer error
- b) no memory
- -> lets bail
- */
- php_error_docref(NULL TSRMLS_CC, E_ERROR, "fopencookie failed");
- return FAILURE;
-#endif
-
- if (!php_stream_is_filtered(stream) && stream->ops->cast && stream->ops->cast(stream, castas, NULL TSRMLS_CC) == SUCCESS) {
- if (FAILURE == stream->ops->cast(stream, castas, ret TSRMLS_CC)) {
- return FAILURE;
- }
- goto exit_success;
- } else if (flags & PHP_STREAM_CAST_TRY_HARD) {
- php_stream *newstream;
-
- newstream = php_stream_fopen_tmpfile();
- if (newstream) {
- size_t copied = php_stream_copy_to_stream(stream, newstream, PHP_STREAM_COPY_ALL);
-
- if (copied == 0) {
- php_stream_close(newstream);
- } else {
- int retcode = php_stream_cast(newstream, castas | flags, ret, show_err);
-
- if (retcode == SUCCESS)
- rewind(*(FILE**)ret);
-
- /* do some specialized cleanup */
- if ((flags & PHP_STREAM_CAST_RELEASE)) {
- php_stream_free(stream, PHP_STREAM_FREE_CLOSE_CASTED);
- }
-
- return retcode;
- }
- }
- }
- }
-
- if (php_stream_is_filtered(stream)) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "cannot cast a filtered stream on this system");
- return FAILURE;
- } else if (stream->ops->cast && stream->ops->cast(stream, castas, ret TSRMLS_CC) == SUCCESS) {
- goto exit_success;
- }
-
- if (show_err) {
- /* these names depend on the values of the PHP_STREAM_AS_XXX defines in php_streams.h */
- static const char *cast_names[4] = {
- "STDIO FILE*", "File Descriptor", "Socket Descriptor", "select()able descriptor"
- };
-
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "cannot represent a stream of type %s as a %s",
- stream->ops->label,
- cast_names[castas]
- );
- }
-
- return FAILURE;
-
-exit_success:
-
- if ((stream->writepos - stream->readpos) > 0 &&
- stream->fclose_stdiocast != PHP_STREAM_FCLOSE_FOPENCOOKIE &&
- (flags & PHP_STREAM_CAST_INTERNAL) == 0) {
- /* the data we have buffered will be lost to the third party library that
- * will be accessing the stream. Emit a warning so that the end-user will
- * know that they should try something else */
-
- php_error_docref(NULL TSRMLS_CC, E_WARNING,
- "%ld bytes of buffered data lost during stream conversion!",
- (long)(stream->writepos - stream->readpos));
- }
-
- if (castas == PHP_STREAM_AS_STDIO && ret)
- stream->stdiocast = *(FILE**)ret;
-
- if (flags & PHP_STREAM_CAST_RELEASE) {
- php_stream_free(stream, PHP_STREAM_FREE_CLOSE_CASTED);
- }
-
- return SUCCESS;
-
-}
-/* }}} */
-
-/* {{{ php_stream_open_wrapper_as_file */
-PHPAPI FILE * _php_stream_open_wrapper_as_file(char *path, char *mode, int options, char **opened_path STREAMS_DC TSRMLS_DC)
-{
- FILE *fp = NULL;
- php_stream *stream = NULL;
-
- stream = php_stream_open_wrapper_rel(path, mode, options|STREAM_WILL_CAST, opened_path);
-
- if (stream == NULL)
- return NULL;
-
- if (php_stream_cast(stream, PHP_STREAM_AS_STDIO|PHP_STREAM_CAST_TRY_HARD|PHP_STREAM_CAST_RELEASE,
- (void**)&fp, REPORT_ERRORS) == FAILURE)
- {
- php_stream_close(stream);
- if (opened_path && *opened_path)
- efree(*opened_path);
- return NULL;
- }
- return fp;
-}
-/* }}} */
-
-/* {{{ php_stream_make_seekable */
-PHPAPI int _php_stream_make_seekable(php_stream *origstream, php_stream **newstream, int flags STREAMS_DC TSRMLS_DC)
-{
- assert(newstream != NULL);
-
- *newstream = NULL;
-
- if (((flags & PHP_STREAM_FORCE_CONVERSION) == 0) && origstream->ops->seek != NULL) {
- *newstream = origstream;
- return PHP_STREAM_UNCHANGED;
- }
-
- /* Use a tmpfile and copy the old streams contents into it */
-
- if (flags & PHP_STREAM_PREFER_STDIO)
- *newstream = php_stream_fopen_tmpfile();
- else
- *newstream = php_stream_temp_new();
-
- if (*newstream == NULL)
- return PHP_STREAM_FAILED;
-
- if (php_stream_copy_to_stream(origstream, *newstream, PHP_STREAM_COPY_ALL) == 0) {
- php_stream_close(*newstream);
- *newstream = NULL;
- return PHP_STREAM_CRITICAL;
- }
-
- php_stream_close(origstream);
- php_stream_seek(*newstream, 0, SEEK_SET);
-
- return PHP_STREAM_RELEASED;
-}
-/* }}} */
-
-/*
- * Local variables:
- * tab-width: 4
- * c-basic-offset: 4
- * End:
- * vim600: noet sw=4 ts=4 fdm=marker
- * vim<600: noet sw=4 ts=4
- */
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