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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2013 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 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_01.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: Wez Furlong (wez@thebrainroom.com) |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifndef PHP_STREAMS_H
#define PHP_STREAMS_H
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
BEGIN_EXTERN_C()
PHPAPI int php_file_le_stream(void);
PHPAPI int php_file_le_pstream(void);
PHPAPI int php_file_le_stream_filter(void);
END_EXTERN_C()
/* {{{ Streams memory debugging stuff */
#if ZEND_DEBUG
/* these have more of a dependency on the definitions of the zend macros than
* I would prefer, but doing it this way saves loads of idefs :-/ */
# define STREAMS_D int __php_stream_call_depth ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC
# define STREAMS_C 0 ZEND_FILE_LINE_CC ZEND_FILE_LINE_EMPTY_CC
# define STREAMS_REL_C __php_stream_call_depth + 1 ZEND_FILE_LINE_CC, \
__php_stream_call_depth ? __zend_orig_filename : __zend_filename, \
__php_stream_call_depth ? __zend_orig_lineno : __zend_lineno
# define STREAMS_DC , STREAMS_D
# define STREAMS_CC , STREAMS_C
# define STREAMS_REL_CC , STREAMS_REL_C
#else
# define STREAMS_D
# define STREAMS_C
# define STREAMS_REL_C
# define STREAMS_DC
# define STREAMS_CC
# define STREAMS_REL_CC
#endif
/* these functions relay the file/line number information. They are depth aware, so they will pass
* the ultimate ancestor, which is useful, because there can be several layers of calls */
#define php_stream_alloc_rel(ops, thisptr, persistent, mode) _php_stream_alloc((ops), (thisptr), (persistent), (mode) STREAMS_REL_CC TSRMLS_CC)
#define php_stream_copy_to_mem_rel(src, buf, maxlen, persistent) _php_stream_copy_to_mem((src), (buf), (maxlen), (persistent) STREAMS_REL_CC TSRMLS_CC)
#define php_stream_fopen_rel(filename, mode, opened, options) _php_stream_fopen((filename), (mode), (opened), (options) STREAMS_REL_CC TSRMLS_CC)
#define php_stream_fopen_with_path_rel(filename, mode, path, opened, options) _php_stream_fopen_with_path((filename), (mode), (path), (opened), (options) STREAMS_REL_CC TSRMLS_CC)
#define php_stream_fopen_from_fd_rel(fd, mode, persistent_id) _php_stream_fopen_from_fd((fd), (mode), (persistent_id) STREAMS_REL_CC TSRMLS_CC)
#define php_stream_fopen_from_file_rel(file, mode) _php_stream_fopen_from_file((file), (mode) STREAMS_REL_CC TSRMLS_CC)
#define php_stream_fopen_from_pipe_rel(file, mode) _php_stream_fopen_from_pipe((file), (mode) STREAMS_REL_CC TSRMLS_CC)
#define php_stream_fopen_tmpfile_rel() _php_stream_fopen_tmpfile(0 STREAMS_REL_CC TSRMLS_CC)
#define php_stream_fopen_temporary_file_rel(dir, pfx, opened_path) _php_stream_fopen_temporary_file((dir), (pfx), (opened_path) STREAMS_REL_CC TSRMLS_CC)
#define php_stream_open_wrapper_rel(path, mode, options, opened) _php_stream_open_wrapper_ex((path), (mode), (options), (opened), NULL STREAMS_REL_CC TSRMLS_CC)
#define php_stream_open_wrapper_ex_rel(path, mode, options, opened, context) _php_stream_open_wrapper_ex((path), (mode), (options), (opened), (context) STREAMS_REL_CC TSRMLS_CC)
#define php_stream_make_seekable_rel(origstream, newstream, flags) _php_stream_make_seekable((origstream), (newstream), (flags) STREAMS_REL_CC TSRMLS_CC)
/* }}} */
/* The contents of the php_stream_ops and php_stream should only be accessed
* using the functions/macros in this header.
* If you need to get at something that doesn't have an API,
* drop me a line <wez@thebrainroom.com> and we can sort out a way to do
* it properly.
*
* The only exceptions to this rule are that stream implementations can use
* the php_stream->abstract pointer to hold their context, and streams
* opened via stream_open_wrappers can use the zval ptr in
* php_stream->wrapperdata to hold meta data for php scripts to
* retrieve using file_get_wrapper_data(). */
typedef struct _php_stream php_stream;
typedef struct _php_stream_wrapper php_stream_wrapper;
typedef struct _php_stream_context php_stream_context;
typedef struct _php_stream_filter php_stream_filter;
#include "streams/php_stream_context.h"
#include "streams/php_stream_filter_api.h"
typedef struct _php_stream_statbuf {
struct stat sb; /* regular info */
/* extended info to go here some day: content-type etc. etc. */
} php_stream_statbuf;
typedef struct _php_stream_dirent {
char d_name[MAXPATHLEN];
} php_stream_dirent;
/* operations on streams that are file-handles */
typedef struct _php_stream_ops {
/* stdio like functions - these are mandatory! */
size_t (*write)(php_stream *stream, const char *buf, size_t count TSRMLS_DC);
size_t (*read)(php_stream *stream, char *buf, size_t count TSRMLS_DC);
int (*close)(php_stream *stream, int close_handle TSRMLS_DC);
int (*flush)(php_stream *stream TSRMLS_DC);
const char *label; /* label for this ops structure */
/* these are optional */
int (*seek)(php_stream *stream, off_t offset, int whence, off_t *newoffset TSRMLS_DC);
int (*cast)(php_stream *stream, int castas, void **ret TSRMLS_DC);
int (*stat)(php_stream *stream, php_stream_statbuf *ssb TSRMLS_DC);
int (*set_option)(php_stream *stream, int option, int value, void *ptrparam TSRMLS_DC);
} php_stream_ops;
typedef struct _php_stream_wrapper_ops {
/* open/create a wrapped stream */
php_stream *(*stream_opener)(php_stream_wrapper *wrapper, char *filename, char *mode,
int options, char **opened_path, php_stream_context *context STREAMS_DC TSRMLS_DC);
/* close/destroy a wrapped stream */
int (*stream_closer)(php_stream_wrapper *wrapper, php_stream *stream TSRMLS_DC);
/* stat a wrapped stream */
int (*stream_stat)(php_stream_wrapper *wrapper, php_stream *stream, php_stream_statbuf *ssb TSRMLS_DC);
/* stat a URL */
int (*url_stat)(php_stream_wrapper *wrapper, char *url, int flags, php_stream_statbuf *ssb, php_stream_context *context TSRMLS_DC);
/* open a "directory" stream */
php_stream *(*dir_opener)(php_stream_wrapper *wrapper, char *filename, char *mode,
int options, char **opened_path, php_stream_context *context STREAMS_DC TSRMLS_DC);
const char *label;
/* delete a file */
int (*unlink)(php_stream_wrapper *wrapper, char *url, int options, php_stream_context *context TSRMLS_DC);
/* rename a file */
int (*rename)(php_stream_wrapper *wrapper, char *url_from, char *url_to, int options, php_stream_context *context TSRMLS_DC);
/* Create/Remove directory */
int (*stream_mkdir)(php_stream_wrapper *wrapper, char *url, int mode, int options, php_stream_context *context TSRMLS_DC);
int (*stream_rmdir)(php_stream_wrapper *wrapper, char *url, int options, php_stream_context *context TSRMLS_DC);
} php_stream_wrapper_ops;
struct _php_stream_wrapper {
php_stream_wrapper_ops *wops; /* operations the wrapper can perform */
void *abstract; /* context for the wrapper */
int is_url; /* so that PG(allow_url_fopen) can be respected */
/* support for wrappers to return (multiple) error messages to the stream opener */
int err_count; /* unused */
char **err_stack; /* unusued */
};
#define PHP_STREAM_FLAG_NO_SEEK 1
#define PHP_STREAM_FLAG_NO_BUFFER 2
#define PHP_STREAM_FLAG_EOL_UNIX 0 /* also includes DOS */
#define PHP_STREAM_FLAG_DETECT_EOL 4
#define PHP_STREAM_FLAG_EOL_MAC 8
/* set this when the stream might represent "interactive" data.
* When set, the read buffer will avoid certain operations that
* might otherwise cause the read to block for much longer than
* is strictly required. */
#define PHP_STREAM_FLAG_AVOID_BLOCKING 16
#define PHP_STREAM_FLAG_NO_CLOSE 32
#define PHP_STREAM_FLAG_IS_DIR 64
#define PHP_STREAM_FLAG_NO_FCLOSE 128
struct _php_stream {
php_stream_ops *ops;
void *abstract; /* convenience pointer for abstraction */
php_stream_filter_chain readfilters, writefilters;
php_stream_wrapper *wrapper; /* which wrapper was used to open the stream */
void *wrapperthis; /* convenience pointer for a instance of a wrapper */
zval *wrapperdata; /* fgetwrapperdata retrieves this */
int fgetss_state; /* for fgetss to handle multiline tags */
int is_persistent;
char mode[16]; /* "rwb" etc. ala stdio */
int rsrc_id; /* used for auto-cleanup */
int in_free; /* to prevent recursion during free */
/* so we know how to clean it up correctly. This should be set to
* PHP_STREAM_FCLOSE_XXX as appropriate */
int fclose_stdiocast;
FILE *stdiocast; /* cache this, otherwise we might leak! */
#if ZEND_DEBUG
int __exposed; /* non-zero if exposed as a zval somewhere */
#endif
char *orig_path;
php_stream_context *context;
int flags; /* PHP_STREAM_FLAG_XXX */
/* buffer */
off_t position; /* of underlying stream */
unsigned char *readbuf;
size_t readbuflen;
off_t readpos;
off_t writepos;
/* how much data to read when filling buffer */
size_t chunk_size;
int eof;
#if ZEND_DEBUG
char *open_filename;
uint open_lineno;
#endif
}; /* php_stream */
/* state definitions when closing down; these are private to streams.c */
#define PHP_STREAM_FCLOSE_NONE 0
#define PHP_STREAM_FCLOSE_FDOPEN 1
#define PHP_STREAM_FCLOSE_FOPENCOOKIE 2
/* allocate a new stream for a particular ops */
BEGIN_EXTERN_C()
PHPAPI php_stream *_php_stream_alloc(php_stream_ops *ops, void *abstract,
const char *persistent_id, const char *mode STREAMS_DC TSRMLS_DC);
END_EXTERN_C()
#define php_stream_alloc(ops, thisptr, persistent_id, mode) _php_stream_alloc((ops), (thisptr), (persistent_id), (mode) STREAMS_CC TSRMLS_CC)
#define php_stream_get_resource_id(stream) (stream)->rsrc_id
#if ZEND_DEBUG
/* use this to tell the stream that it is OK if we don't explicitly close it */
# define php_stream_auto_cleanup(stream) { (stream)->__exposed++; }
/* use this to assign the stream to a zval and tell the stream that is
* has been exported to the engine; it will expect to be closed automatically
* when the resources are auto-destructed */
# define php_stream_to_zval(stream, zval) { ZVAL_RESOURCE(zval, (stream)->rsrc_id); (stream)->__exposed++; }
#else
# define php_stream_auto_cleanup(stream) /* nothing */
# define php_stream_to_zval(stream, zval) { ZVAL_RESOURCE(zval, (stream)->rsrc_id); }
#endif
#define php_stream_from_zval(xstr, ppzval) ZEND_FETCH_RESOURCE2((xstr), php_stream *, (ppzval), -1, "stream", php_file_le_stream(), php_file_le_pstream())
#define php_stream_from_zval_no_verify(xstr, ppzval) (xstr) = (php_stream*)zend_fetch_resource((ppzval) TSRMLS_CC, -1, "stream", NULL, 2, php_file_le_stream(), php_file_le_pstream())
BEGIN_EXTERN_C()
PHPAPI int php_stream_from_persistent_id(const char *persistent_id, php_stream **stream TSRMLS_DC);
#define PHP_STREAM_PERSISTENT_SUCCESS 0 /* id exists */
#define PHP_STREAM_PERSISTENT_FAILURE 1 /* id exists but is not a stream! */
#define PHP_STREAM_PERSISTENT_NOT_EXIST 2 /* id does not exist */
#define PHP_STREAM_FREE_CALL_DTOR 1 /* call ops->close */
#define PHP_STREAM_FREE_RELEASE_STREAM 2 /* pefree(stream) */
#define PHP_STREAM_FREE_PRESERVE_HANDLE 4 /* tell ops->close to not close it's underlying handle */
#define PHP_STREAM_FREE_RSRC_DTOR 8 /* called from the resource list dtor */
#define PHP_STREAM_FREE_PERSISTENT 16 /* manually freeing a persistent connection */
#define PHP_STREAM_FREE_CLOSE (PHP_STREAM_FREE_CALL_DTOR | PHP_STREAM_FREE_RELEASE_STREAM)
#define PHP_STREAM_FREE_CLOSE_CASTED (PHP_STREAM_FREE_CLOSE | PHP_STREAM_FREE_PRESERVE_HANDLE)
#define PHP_STREAM_FREE_CLOSE_PERSISTENT (PHP_STREAM_FREE_CLOSE | PHP_STREAM_FREE_PERSISTENT)
PHPAPI int _php_stream_free(php_stream *stream, int close_options TSRMLS_DC);
#define php_stream_free(stream, close_options) _php_stream_free((stream), (close_options) TSRMLS_CC)
#define php_stream_close(stream) _php_stream_free((stream), PHP_STREAM_FREE_CLOSE TSRMLS_CC)
#define php_stream_pclose(stream) _php_stream_free((stream), PHP_STREAM_FREE_CLOSE_PERSISTENT TSRMLS_CC)
PHPAPI int _php_stream_seek(php_stream *stream, off_t offset, int whence TSRMLS_DC);
#define php_stream_rewind(stream) _php_stream_seek((stream), 0L, SEEK_SET TSRMLS_CC)
#define php_stream_seek(stream, offset, whence) _php_stream_seek((stream), (offset), (whence) TSRMLS_CC)
PHPAPI off_t _php_stream_tell(php_stream *stream TSRMLS_DC);
#define php_stream_tell(stream) _php_stream_tell((stream) TSRMLS_CC)
PHPAPI size_t _php_stream_read(php_stream *stream, char *buf, size_t count TSRMLS_DC);
#define php_stream_read(stream, buf, count) _php_stream_read((stream), (buf), (count) TSRMLS_CC)
PHPAPI size_t _php_stream_write(php_stream *stream, const char *buf, size_t count TSRMLS_DC);
#define php_stream_write_string(stream, str) _php_stream_write(stream, str, strlen(str) TSRMLS_CC)
#define php_stream_write(stream, buf, count) _php_stream_write(stream, (buf), (count) TSRMLS_CC)
#ifdef ZTS
PHPAPI size_t _php_stream_printf(php_stream *stream TSRMLS_DC, const char *fmt, ...) PHP_ATTRIBUTE_FORMAT(printf, 3, 4);
#else
PHPAPI size_t _php_stream_printf(php_stream *stream TSRMLS_DC, const char *fmt, ...) PHP_ATTRIBUTE_FORMAT(printf, 2, 3);
#endif
/* php_stream_printf macro & function require TSRMLS_CC */
#define php_stream_printf _php_stream_printf
PHPAPI int _php_stream_eof(php_stream *stream TSRMLS_DC);
#define php_stream_eof(stream) _php_stream_eof((stream) TSRMLS_CC)
PHPAPI int _php_stream_getc(php_stream *stream TSRMLS_DC);
#define php_stream_getc(stream) _php_stream_getc((stream) TSRMLS_CC)
PHPAPI int _php_stream_putc(php_stream *stream, int c TSRMLS_DC);
#define php_stream_putc(stream, c) _php_stream_putc((stream), (c) TSRMLS_CC)
PHPAPI int _php_stream_flush(php_stream *stream, int closing TSRMLS_DC);
#define php_stream_flush(stream) _php_stream_flush((stream), 0 TSRMLS_CC)
PHPAPI char *_php_stream_get_line(php_stream *stream, char *buf, size_t maxlen, size_t *returned_len TSRMLS_DC);
#define php_stream_gets(stream, buf, maxlen) _php_stream_get_line((stream), (buf), (maxlen), NULL TSRMLS_CC)
#define php_stream_get_line(stream, buf, maxlen, retlen) _php_stream_get_line((stream), (buf), (maxlen), (retlen) TSRMLS_CC)
PHPAPI char *php_stream_get_record(php_stream *stream, size_t maxlen, size_t *returned_len, char *delim, size_t delim_len TSRMLS_DC);
/* CAREFUL! this is equivalent to puts NOT fputs! */
PHPAPI int _php_stream_puts(php_stream *stream, char *buf TSRMLS_DC);
#define php_stream_puts(stream, buf) _php_stream_puts((stream), (buf) TSRMLS_CC)
PHPAPI int _php_stream_stat(php_stream *stream, php_stream_statbuf *ssb TSRMLS_DC);
#define php_stream_stat(stream, ssb) _php_stream_stat((stream), (ssb) TSRMLS_CC)
PHPAPI int _php_stream_stat_path(char *path, int flags, php_stream_statbuf *ssb, php_stream_context *context TSRMLS_DC);
#define php_stream_stat_path(path, ssb) _php_stream_stat_path((path), 0, (ssb), NULL TSRMLS_CC)
#define php_stream_stat_path_ex(path, flags, ssb, context) _php_stream_stat_path((path), (flags), (ssb), (context) TSRMLS_CC)
PHPAPI int _php_stream_mkdir(char *path, int mode, int options, php_stream_context *context TSRMLS_DC);
#define php_stream_mkdir(path, mode, options, context) _php_stream_mkdir(path, mode, options, context TSRMLS_CC)
PHPAPI int _php_stream_rmdir(char *path, int options, php_stream_context *context TSRMLS_DC);
#define php_stream_rmdir(path, options, context) _php_stream_rmdir(path, options, context TSRMLS_CC)
PHPAPI php_stream *_php_stream_opendir(char *path, int options, php_stream_context *context STREAMS_DC TSRMLS_DC);
#define php_stream_opendir(path, options, context) _php_stream_opendir((path), (options), (context) STREAMS_CC TSRMLS_CC)
PHPAPI php_stream_dirent *_php_stream_readdir(php_stream *dirstream, php_stream_dirent *ent TSRMLS_DC);
#define php_stream_readdir(dirstream, dirent) _php_stream_readdir((dirstream), (dirent) TSRMLS_CC)
#define php_stream_closedir(dirstream) php_stream_close((dirstream))
#define php_stream_rewinddir(dirstream) php_stream_rewind((dirstream))
PHPAPI int php_stream_dirent_alphasort(const char **a, const char **b);
PHPAPI int php_stream_dirent_alphasortr(const char **a, const char **b);
PHPAPI int _php_stream_scandir(char *dirname, char **namelist[], int flags, php_stream_context *context,
int (*compare) (const char **a, const char **b) TSRMLS_DC);
#define php_stream_scandir(dirname, namelist, context, compare) _php_stream_scandir((dirname), (namelist), 0, (context), (compare) TSRMLS_CC)
PHPAPI int _php_stream_set_option(php_stream *stream, int option, int value, void *ptrparam TSRMLS_DC);
#define php_stream_set_option(stream, option, value, ptrvalue) _php_stream_set_option((stream), (option), (value), (ptrvalue) TSRMLS_CC)
#define php_stream_set_chunk_size(stream, size) _php_stream_set_option((stream), PHP_STREAM_OPTION_SET_CHUNK_SIZE, (size), NULL TSRMLS_CC)
END_EXTERN_C()
/* Flags for mkdir method in wrapper ops */
#define PHP_STREAM_MKDIR_RECURSIVE 1
/* define REPORT ERRORS 8 (below) */
/* Flags for rmdir method in wrapper ops */
/* define REPORT_ERRORS 8 (below) */
/* Flags for url_stat method in wrapper ops */
#define PHP_STREAM_URL_STAT_LINK 1
#define PHP_STREAM_URL_STAT_QUIET 2
/* change the blocking mode of stream: value == 1 => blocking, value == 0 => non-blocking. */
#define PHP_STREAM_OPTION_BLOCKING 1
/* change the buffering mode of stream. value is a PHP_STREAM_BUFFER_XXXX value, ptrparam is a ptr to a size_t holding
* the required buffer size */
#define PHP_STREAM_OPTION_READ_BUFFER 2
#define PHP_STREAM_OPTION_WRITE_BUFFER 3
#define PHP_STREAM_BUFFER_NONE 0 /* unbuffered */
#define PHP_STREAM_BUFFER_LINE 1 /* line buffered */
#define PHP_STREAM_BUFFER_FULL 2 /* fully buffered */
/* set the timeout duration for reads on the stream. ptrparam is a pointer to a struct timeval * */
#define PHP_STREAM_OPTION_READ_TIMEOUT 4
#define PHP_STREAM_OPTION_SET_CHUNK_SIZE 5
/* set or release lock on a stream */
#define PHP_STREAM_OPTION_LOCKING 6
/* whether or not locking is supported */
#define PHP_STREAM_LOCK_SUPPORTED 1
#define php_stream_supports_lock(stream) _php_stream_set_option((stream), PHP_STREAM_OPTION_LOCKING, 0, (void *) PHP_STREAM_LOCK_SUPPORTED TSRMLS_CC) == 0 ? 1 : 0
#define php_stream_lock(stream, mode) _php_stream_set_option((stream), PHP_STREAM_OPTION_LOCKING, (mode), (void *) NULL TSRMLS_CC)
/* option code used by the php_stream_xport_XXX api */
#define PHP_STREAM_OPTION_XPORT_API 7 /* see php_stream_transport.h */
#define PHP_STREAM_OPTION_CRYPTO_API 8 /* see php_stream_transport.h */
#define PHP_STREAM_OPTION_MMAP_API 9 /* see php_stream_mmap.h */
#define PHP_STREAM_OPTION_TRUNCATE_API 10
#define PHP_STREAM_TRUNCATE_SUPPORTED 0
#define PHP_STREAM_TRUNCATE_SET_SIZE 1 /* ptrparam is a pointer to a size_t */
#define php_stream_truncate_supported(stream) (_php_stream_set_option((stream), PHP_STREAM_OPTION_TRUNCATE_API, PHP_STREAM_TRUNCATE_SUPPORTED, NULL TSRMLS_CC) == PHP_STREAM_OPTION_RETURN_OK ? 1 : 0)
BEGIN_EXTERN_C()
PHPAPI int _php_stream_truncate_set_size(php_stream *stream, size_t newsize TSRMLS_DC);
#define php_stream_truncate_set_size(stream, size) _php_stream_truncate_set_size((stream), (size) TSRMLS_CC)
END_EXTERN_C()
#define PHP_STREAM_OPTION_META_DATA_API 11 /* ptrparam is a zval* to which to add meta data information */
#define php_stream_populate_meta_data(stream, zv) (_php_stream_set_option((stream), PHP_STREAM_OPTION_META_DATA_API, 0, zv TSRMLS_CC) == PHP_STREAM_OPTION_RETURN_OK ? 1 : 0)
/* Check if the stream is still "live"; for sockets/pipes this means the socket
* is still connected; for files, this does not really have meaning */
#define PHP_STREAM_OPTION_CHECK_LIVENESS 12 /* no parameters */
#define PHP_STREAM_OPTION_RETURN_OK 0 /* option set OK */
#define PHP_STREAM_OPTION_RETURN_ERR -1 /* problem setting option */
#define PHP_STREAM_OPTION_RETURN_NOTIMPL -2 /* underlying stream does not implement; streams can handle it instead */
/* copy up to maxlen bytes from src to dest. If maxlen is PHP_STREAM_COPY_ALL,
* copy until eof(src). */
#define PHP_STREAM_COPY_ALL ((size_t)-1)
BEGIN_EXTERN_C()
ZEND_ATTRIBUTE_DEPRECATED
PHPAPI size_t _php_stream_copy_to_stream(php_stream *src, php_stream *dest, size_t maxlen STREAMS_DC TSRMLS_DC);
#define php_stream_copy_to_stream(src, dest, maxlen) _php_stream_copy_to_stream((src), (dest), (maxlen) STREAMS_CC TSRMLS_CC)
PHPAPI size_t _php_stream_copy_to_stream_ex(php_stream *src, php_stream *dest, size_t maxlen, size_t *len STREAMS_DC TSRMLS_DC);
#define php_stream_copy_to_stream_ex(src, dest, maxlen, len) _php_stream_copy_to_stream_ex((src), (dest), (maxlen), (len) STREAMS_CC TSRMLS_CC)
/* read all data from stream and put into a buffer. Caller must free buffer
* when done. */
PHPAPI size_t _php_stream_copy_to_mem(php_stream *src, char **buf, size_t maxlen,
int persistent STREAMS_DC TSRMLS_DC);
#define php_stream_copy_to_mem(src, buf, maxlen, persistent) _php_stream_copy_to_mem((src), (buf), (maxlen), (persistent) STREAMS_CC TSRMLS_CC)
/* output all data from a stream */
PHPAPI size_t _php_stream_passthru(php_stream * src STREAMS_DC TSRMLS_DC);
#define php_stream_passthru(stream) _php_stream_passthru((stream) STREAMS_CC TSRMLS_CC)
END_EXTERN_C()
#include "streams/php_stream_transport.h"
#include "streams/php_stream_plain_wrapper.h"
#include "streams/php_stream_glob_wrapper.h"
#include "streams/php_stream_userspace.h"
#include "streams/php_stream_mmap.h"
/* coerce the stream into some other form */
/* cast as a stdio FILE * */
#define PHP_STREAM_AS_STDIO 0
/* cast as a POSIX fd or socketd */
#define PHP_STREAM_AS_FD 1
/* cast as a socketd */
#define PHP_STREAM_AS_SOCKETD 2
/* cast as fd/socket for select purposes */
#define PHP_STREAM_AS_FD_FOR_SELECT 3
/* try really, really hard to make sure the cast happens (avoid using this flag if possible) */
#define PHP_STREAM_CAST_TRY_HARD 0x80000000
#define PHP_STREAM_CAST_RELEASE 0x40000000 /* stream becomes invalid on success */
#define PHP_STREAM_CAST_INTERNAL 0x20000000 /* stream cast for internal use */
#define PHP_STREAM_CAST_MASK (PHP_STREAM_CAST_TRY_HARD | PHP_STREAM_CAST_RELEASE | PHP_STREAM_CAST_INTERNAL)
BEGIN_EXTERN_C()
PHPAPI int _php_stream_cast(php_stream *stream, int castas, void **ret, int show_err TSRMLS_DC);
END_EXTERN_C()
/* use this to check if a stream can be cast into another form */
#define php_stream_can_cast(stream, as) _php_stream_cast((stream), (as), NULL, 0 TSRMLS_CC)
#define php_stream_cast(stream, as, ret, show_err) _php_stream_cast((stream), (as), (ret), (show_err) TSRMLS_CC)
/* use this to check if a stream is of a particular type:
* PHPAPI int php_stream_is(php_stream *stream, php_stream_ops *ops); */
#define php_stream_is(stream, anops) ((stream)->ops == anops)
#define PHP_STREAM_IS_STDIO &php_stream_stdio_ops
#define php_stream_is_persistent(stream) (stream)->is_persistent
/* Wrappers support */
#define IGNORE_PATH 0x00000000
#define USE_PATH 0x00000001
#define IGNORE_URL 0x00000002
#define ENFORCE_SAFE_MODE 0x00000004
#define REPORT_ERRORS 0x00000008
/* If you don't need to write to the stream, but really need to
* be able to seek, use this flag in your options. */
#define STREAM_MUST_SEEK 0x00000010
/* If you are going to end up casting the stream into a FILE* or
* a socket, pass this flag and the streams/wrappers will not use
* buffering mechanisms while reading the headers, so that HTTP
* wrapped streams will work consistently.
* If you omit this flag, streams will use buffering and should end
* up working more optimally.
* */
#define STREAM_WILL_CAST 0x00000020
/* this flag applies to php_stream_locate_url_wrapper */
#define STREAM_LOCATE_WRAPPERS_ONLY 0x00000040
/* this flag is only used by include/require functions */
#define STREAM_OPEN_FOR_INCLUDE 0x00000080
/* this flag tells streams to ONLY open urls */
#define STREAM_USE_URL 0x00000100
/* this flag is used when only the headers from HTTP request are to be fetched */
#define STREAM_ONLY_GET_HEADERS 0x00000200
/* don't apply open_basedir checks */
#define STREAM_DISABLE_OPEN_BASEDIR 0x00000400
/* get (or create) a persistent version of the stream */
#define STREAM_OPEN_PERSISTENT 0x00000800
/* use glob stream for directory open in plain files stream */
#define STREAM_USE_GLOB_DIR_OPEN 0x00001000
/* don't check allow_url_fopen and allow_url_include */
#define STREAM_DISABLE_URL_PROTECTION 0x00002000
/* assume the path passed in exists and is fully expanded, avoiding syscalls */
#define STREAM_ASSUME_REALPATH 0x00004000
/* Antique - no longer has meaning */
#define IGNORE_URL_WIN 0
int php_init_stream_wrappers(int module_number TSRMLS_DC);
int php_shutdown_stream_wrappers(int module_number TSRMLS_DC);
void php_shutdown_stream_hashes(TSRMLS_D);
PHP_RSHUTDOWN_FUNCTION(streams);
BEGIN_EXTERN_C()
PHPAPI int php_register_url_stream_wrapper(char *protocol, php_stream_wrapper *wrapper TSRMLS_DC);
PHPAPI int php_unregister_url_stream_wrapper(char *protocol TSRMLS_DC);
PHPAPI int php_register_url_stream_wrapper_volatile(char *protocol, php_stream_wrapper *wrapper TSRMLS_DC);
PHPAPI int php_unregister_url_stream_wrapper_volatile(char *protocol TSRMLS_DC);
PHPAPI php_stream *_php_stream_open_wrapper_ex(char *path, char *mode, int options, char **opened_path, php_stream_context *context STREAMS_DC TSRMLS_DC);
PHPAPI php_stream_wrapper *php_stream_locate_url_wrapper(const char *path, char **path_for_open, int options TSRMLS_DC);
PHPAPI char *php_stream_locate_eol(php_stream *stream, char *buf, size_t buf_len TSRMLS_DC);
#define php_stream_open_wrapper(path, mode, options, opened) _php_stream_open_wrapper_ex((path), (mode), (options), (opened), NULL STREAMS_CC TSRMLS_CC)
#define php_stream_open_wrapper_ex(path, mode, options, opened, context) _php_stream_open_wrapper_ex((path), (mode), (options), (opened), (context) STREAMS_CC TSRMLS_CC)
#define php_stream_get_from_zval(stream, zstream, mode, options, opened, context) \
if (Z_TYPE_PP((zstream)) == IS_RESOURCE) { \
php_stream_from_zval((stream), (zstream)); \
} else (stream) = Z_TYPE_PP((zstream)) == IS_STRING ? \
php_stream_open_wrapper_ex(Z_STRVAL_PP((zstream)), (mode), (options), (opened), (context)) : NULL
/* pushes an error message onto the stack for a wrapper instance */
#ifdef ZTS
PHPAPI void php_stream_wrapper_log_error(php_stream_wrapper *wrapper, int options TSRMLS_DC, const char *fmt, ...) PHP_ATTRIBUTE_FORMAT(printf, 4, 5);
#else
PHPAPI void php_stream_wrapper_log_error(php_stream_wrapper *wrapper, int options TSRMLS_DC, const char *fmt, ...) PHP_ATTRIBUTE_FORMAT(printf, 3, 4);
#endif
#define PHP_STREAM_UNCHANGED 0 /* orig stream was seekable anyway */
#define PHP_STREAM_RELEASED 1 /* newstream should be used; origstream is no longer valid */
#define PHP_STREAM_FAILED 2 /* an error occurred while attempting conversion */
#define PHP_STREAM_CRITICAL 3 /* an error occurred; origstream is in an unknown state; you should close origstream */
#define PHP_STREAM_NO_PREFERENCE 0
#define PHP_STREAM_PREFER_STDIO 1
#define PHP_STREAM_FORCE_CONVERSION 2
/* DO NOT call this on streams that are referenced by resources! */
PHPAPI int _php_stream_make_seekable(php_stream *origstream, php_stream **newstream, int flags STREAMS_DC TSRMLS_DC);
#define php_stream_make_seekable(origstream, newstream, flags) _php_stream_make_seekable((origstream), (newstream), (flags) STREAMS_CC TSRMLS_CC)
/* Give other modules access to the url_stream_wrappers_hash and stream_filters_hash */
PHPAPI HashTable *_php_stream_get_url_stream_wrappers_hash(TSRMLS_D);
#define php_stream_get_url_stream_wrappers_hash() _php_stream_get_url_stream_wrappers_hash(TSRMLS_C)
PHPAPI HashTable *php_stream_get_url_stream_wrappers_hash_global(void);
PHPAPI HashTable *_php_get_stream_filters_hash(TSRMLS_D);
#define php_get_stream_filters_hash() _php_get_stream_filters_hash(TSRMLS_C)
PHPAPI HashTable *php_get_stream_filters_hash_global(void);
extern php_stream_wrapper_ops *php_stream_user_wrapper_ops;
END_EXTERN_C()
#endif
/* Definitions for user streams */
#define PHP_STREAM_IS_URL 1
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: sw=4 ts=4 fdm=marker
* vim<600: sw=4 ts=4
*/
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