/* +----------------------------------------------------------------------+ | PHP Version 4 | +----------------------------------------------------------------------+ | Copyright (c) 1997-2008 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: php_streams.h,v 1.61.2.18.2.4 2007/12/31 07:22:54 sebastian Exp $ */ #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> PHPAPI int php_file_le_stream(void); PHPAPI int php_file_le_pstream(void); /* {{{ 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_file_rel(file, mode) _php_stream_fopen_from_file((file), (mode) 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_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; typedef struct _php_stream_notifier php_stream_notifier; /* callback for status notifications */ typedef void (*php_stream_notification_func)(php_stream_context *context, int notifycode, int severity, char *xmsg, int xcode, size_t bytes_sofar, size_t bytes_max, void * ptr TSRMLS_DC); 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; #define PHP_STREAM_NOTIFIER_PROGRESS 1 struct _php_stream_notifier { php_stream_notification_func func; void (*dtor)(php_stream_notifier *notifier); void *ptr; int mask; size_t progress, progress_max; /* position for progress notification */ }; struct _php_stream_context { php_stream_notifier *notifier; zval *options; /* hash keyed by wrapper family or specific wrapper */ }; typedef struct _php_stream_wrapper_options { int valid_options; /* PHP_STREAM_WRAPPER_OPT_XXX */ php_stream_notification_func notifier; void *notifier_ptr; /* other info like user-agent, SSL cert and cookie information * to go here some day */ } php_stream_wrapper_options; /* 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, php_stream_statbuf *ssb 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; } 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; char **err_stack; }; typedef struct _php_stream_filter_ops { size_t (*write)(php_stream *stream, php_stream_filter *thisfilter, const char *buf, size_t count TSRMLS_DC); size_t (*read)(php_stream *stream, php_stream_filter *thisfilter, char *buf, size_t count TSRMLS_DC); int (*flush)(php_stream *stream, php_stream_filter *thisfilter, int closing TSRMLS_DC); int (*eof)(php_stream *stream, php_stream_filter *thisfilter TSRMLS_DC); void (*dtor)(php_stream_filter *thisfilter TSRMLS_DC); const char *label; } php_stream_filter_ops; struct _php_stream_filter { php_stream_filter_ops *fops; void *abstract; /* for use by filter implementation */ php_stream_filter *next; php_stream_filter *prev; int is_persistent; php_stream *stream; }; #define php_stream_filter_write_next(stream, thisfilter, buf, size) \ (thisfilter)->next ? (thisfilter)->next->fops->write((stream), (thisfilter)->next, (buf), (size) TSRMLS_CC) \ : (stream)->ops->write((stream), (buf), (size) TSRMLS_CC) #define php_stream_filter_read_next(stream, thisfilter, buf, size) \ (thisfilter)->next ? (thisfilter)->next->fops->read((stream), (thisfilter)->next, (buf), (size) TSRMLS_CC) \ : (stream)->ops->read((stream), (buf), (size) TSRMLS_CC) #define php_stream_filter_flush_next(stream, thisfilter, closing) \ (thisfilter)->next ? (thisfilter)->next->fops->flush((stream), (thisfilter), (closing) TSRMLS_CC) \ : (stream)->ops->flush((stream) TSRMLS_CC) #define php_stream_filter_eof_next(stream, thisfilter) \ (thisfilter)->next ? (thisfilter)->next->fops->eof((stream), (thisfilter) TSRMLS_CC) \ : (stream)->ops->read((stream), NULL, 0 TSRMLS_CC) == EOF ? 1 : 0 #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 struct _php_stream { php_stream_ops *ops; void *abstract; /* convenience pointer for abstraction */ php_stream_filter *filterhead; php_stream_filter *filtertail; 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 */ char *__orig_path; /* it really helps when debugging "unclosed" streams */ #endif 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; }; /* 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 */ PHPAPI php_stream *_php_stream_alloc(php_stream_ops *ops, void *abstract, const char *persistent_id, const char *mode STREAMS_DC TSRMLS_DC); #define php_stream_alloc(ops, thisptr, persistent_id, mode) _php_stream_alloc((ops), (thisptr), (persistent_id), (mode) STREAMS_CC TSRMLS_CC) /* stack filter onto a stream */ PHPAPI void php_stream_filter_prepend(php_stream *stream, php_stream_filter *filter); PHPAPI void php_stream_filter_append(php_stream *stream, php_stream_filter *filter); PHPAPI php_stream_filter *php_stream_filter_remove(php_stream *stream, php_stream_filter *filter, int call_dtor TSRMLS_DC); PHPAPI void php_stream_filter_free(php_stream_filter *filter TSRMLS_DC); PHPAPI php_stream_filter *_php_stream_filter_alloc(php_stream_filter_ops *fops, void *abstract, int persistent STREAMS_DC TSRMLS_DC); #define php_stream_filter_alloc(fops, thisptr, persistent) _php_stream_filter_alloc((fops), (thisptr), (persistent) STREAMS_CC TSRMLS_CC) #define php_stream_filter_alloc_rel(fops, thisptr, persistent) _php_stream_filter_alloc((fops), (thisptr), (persistent) STREAMS_REL_CC TSRMLS_CC) #define php_stream_filter_remove_head(stream, call_dtor) php_stream_filter_remove((stream), (stream)->filterhead, (call_dtor) TSRMLS_CC) #define php_stream_filter_remove_tail(stream, call_dtor) php_stream_filter_remove((stream), (stream)->filtertail, (call_dtor) TSRMLS_CC) typedef struct _php_stream_filter_factory { php_stream_filter *(*create_filter)(const char *filtername, const char *filterparams, int filterparamslen, int persistent TSRMLS_DC); } php_stream_filter_factory; PHPAPI int php_stream_filter_register_factory(const char *filterpattern, php_stream_filter_factory *factory TSRMLS_DC); PHPAPI int php_stream_filter_unregister_factory(const char *filterpattern TSRMLS_DC); PHPAPI php_stream_filter *php_stream_filter_create(const char *filtername, const char *filterparams, int filterparamslen, int persistent TSRMLS_DC); #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()) 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) PHPAPI size_t _php_stream_printf(php_stream *stream TSRMLS_DC, const char *fmt, ...); /* 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) /* 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, php_stream_statbuf *ssb TSRMLS_DC); #define php_stream_stat_path(path, ssb) _php_stream_stat_path((path), (ssb) 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_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) /* 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 #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). * Uses mmap if the src is a plain file and at offset 0 */ #define PHP_STREAM_COPY_ALL -1 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) /* read all data from stream and put into a buffer. Caller must free buffer when done. * The copy will use mmap if available. */ 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) /* operations for a stdio FILE; use the php_stream_fopen_XXX funcs below */ PHPAPI extern php_stream_ops php_stream_stdio_ops; /* like fopen, but returns a stream */ PHPAPI php_stream *_php_stream_fopen(const char *filename, const char *mode, char **opened_path, int options STREAMS_DC TSRMLS_DC); #define php_stream_fopen(filename, mode, opened) _php_stream_fopen((filename), (mode), (opened), 0 STREAMS_CC TSRMLS_CC) PHPAPI php_stream *_php_stream_fopen_with_path(char *filename, char *mode, char *path, char **opened_path, int options STREAMS_DC TSRMLS_DC); #define php_stream_fopen_with_path(filename, mode, path, opened) _php_stream_fopen_with_path((filename), (mode), (path), (opened) STREAMS_CC TSRMLS_CC) PHPAPI php_stream *_php_stream_fopen_from_fd(int fd, const char *mode, const char *persistent_id STREAMS_DC TSRMLS_DC); #define php_stream_fopen_from_fd(fd, mode, persistent_id) _php_stream_fopen_from_fd((fd), (mode), (persistent_id) STREAMS_CC TSRMLS_CC) PHPAPI php_stream *_php_stream_fopen_from_file(FILE *file, const char *mode STREAMS_DC TSRMLS_DC); #define php_stream_fopen_from_file(file, mode) _php_stream_fopen_from_file((file), (mode) STREAMS_CC TSRMLS_CC) PHPAPI php_stream *_php_stream_fopen_from_pipe(FILE *file, const char *mode STREAMS_DC TSRMLS_DC); #define php_stream_fopen_from_pipe(file, mode) _php_stream_fopen_from_pipe((file), (mode) STREAMS_CC TSRMLS_CC) PHPAPI php_stream *_php_stream_fopen_tmpfile(int dummy STREAMS_DC TSRMLS_DC); #define php_stream_fopen_tmpfile() _php_stream_fopen_tmpfile(0 STREAMS_CC TSRMLS_CC) PHPAPI php_stream *_php_stream_fopen_temporary_file(const char *dir, const char *pfx, char **opened_path STREAMS_DC TSRMLS_DC); #define php_stream_fopen_temporary_file(dir, pfx, opened_path) _php_stream_fopen_temporary_file((dir), (pfx), (opened_path) STREAMS_CC TSRMLS_CC) /* 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) PHPAPI int _php_stream_cast(php_stream *stream, int castas, void **ret, int show_err TSRMLS_DC); /* 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 0 #define USE_PATH 1 #define IGNORE_URL 2 /* There's no USE_URL. */ #define ENFORCE_SAFE_MODE 4 #define REPORT_ERRORS 8 /* 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 16 /* 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 32 /* this flag applies to php_stream_locate_url_wrapper */ #define STREAM_LOCATE_WRAPPERS_ONLY 64 /* this flag is only used by include/require functions */ #define STREAM_OPEN_FOR_INCLUDE 128 /* 512 skipped for PHP 5 compat */ /* if set, skip open_basedir checks */ #define STREAM_DISABLE_OPEN_BASEDIR 1024 /* get (or create) a persistent version of the stream */ #define STREAM_OPEN_PERSISTENT 2048 /* 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); 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 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) /* pushes an error message onto the stack for a wrapper instance */ PHPAPI void php_stream_wrapper_log_error(php_stream_wrapper *wrapper, int options TSRMLS_DC, const char *fmt, ...); #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) /* This is a utility API for extensions that are opening a stream, converting it * to a FILE* and then closing it again. Be warned that fileno() on the result * will most likely fail on systems with fopencookie. */ PHPAPI FILE * _php_stream_open_wrapper_as_file(char * path, char * mode, int options, char **opened_path STREAMS_DC TSRMLS_DC); #define php_stream_open_wrapper_as_file(path, mode, options, opened_path) _php_stream_open_wrapper_as_file((path), (mode), (options), (opened_path) STREAMS_CC TSRMLS_CC) PHPAPI zend_bool _php_stream_open_wrapper_as_file_handle(char * path, char * mode, int options, zend_file_handle * STREAMS_DC TSRMLS_DC); #define php_stream_open_wrapper_as_file_handle(path, mode, options, fh) _php_stream_open_wrapper_as_file_handle((path), (mode), (options), (fh) STREAMS_CC TSRMLS_CC) /* for user-space streams */ PHPAPI extern php_stream_ops php_stream_userspace_ops; PHPAPI extern php_stream_ops php_stream_userspace_dir_ops; #define PHP_STREAM_IS_USERSPACE &php_stream_userspace_ops #define PHP_STREAM_IS_USERSPACE_DIR &php_stream_userspace_dir_ops PHPAPI void php_stream_context_free(php_stream_context *context); PHPAPI php_stream_context *php_stream_context_alloc(void); PHPAPI int php_stream_context_get_option(php_stream_context *context, const char *wrappername, const char *optionname, zval ***optionvalue); PHPAPI int php_stream_context_set_option(php_stream_context *context, const char *wrappername, const char *optionname, zval *optionvalue); PHPAPI php_stream_notifier *php_stream_notification_alloc(void); PHPAPI void php_stream_notification_free(php_stream_notifier *notifier); /* not all notification codes are implemented */ #define PHP_STREAM_NOTIFY_RESOLVE 1 #define PHP_STREAM_NOTIFY_CONNECT 2 #define PHP_STREAM_NOTIFY_AUTH_REQUIRED 3 #define PHP_STREAM_NOTIFY_MIME_TYPE_IS 4 #define PHP_STREAM_NOTIFY_FILE_SIZE_IS 5 #define PHP_STREAM_NOTIFY_REDIRECTED 6 #define PHP_STREAM_NOTIFY_PROGRESS 7 #define PHP_STREAM_NOTIFY_COMPLETED 8 #define PHP_STREAM_NOTIFY_FAILURE 9 #define PHP_STREAM_NOTIFY_AUTH_RESULT 10 #define PHP_STREAM_NOTIFY_SEVERITY_INFO 0 #define PHP_STREAM_NOTIFY_SEVERITY_WARN 1 #define PHP_STREAM_NOTIFY_SEVERITY_ERR 2 PHPAPI void php_stream_notification_notify(php_stream_context *context, int notifycode, int severity, char *xmsg, int xcode, size_t bytes_sofar, size_t bytes_max, void * ptr TSRMLS_DC); PHPAPI php_stream_context *php_stream_context_set(php_stream *stream, php_stream_context *context); #define php_stream_notify_info(context, code, xmsg, xcode) do { if ((context) && (context)->notifier) { \ php_stream_notification_notify((context), (code), PHP_STREAM_NOTIFY_SEVERITY_INFO, \ (xmsg), (xcode), 0, 0, NULL TSRMLS_CC); } } while (0) #define php_stream_notify_progress(context, bsofar, bmax) do { if ((context) && (context)->notifier) { \ php_stream_notification_notify((context), PHP_STREAM_NOTIFY_PROGRESS, PHP_STREAM_NOTIFY_SEVERITY_INFO, \ NULL, 0, (bsofar), (bmax), NULL TSRMLS_CC); } } while(0) #define php_stream_notify_progress_init(context, sofar, bmax) do { if ((context) && (context)->notifier) { \ (context)->notifier->progress = (sofar); \ (context)->notifier->progress_max = (bmax); \ (context)->notifier->mask |= PHP_STREAM_NOTIFIER_PROGRESS; \ php_stream_notify_progress((context), (sofar), (bmax)); } } while (0) #define php_stream_notify_progress_increment(context, dsofar, dmax) do { if ((context) && (context)->notifier && (context)->notifier->mask & PHP_STREAM_NOTIFIER_PROGRESS) { \ (context)->notifier->progress += (dsofar); \ (context)->notifier->progress_max += (dmax); \ php_stream_notify_progress((context), (context)->notifier->progress, (context)->notifier->progress_max); } } while (0) #define php_stream_notify_file_size(context, file_size, xmsg, xcode) do { if ((context) && (context)->notifier) { \ php_stream_notification_notify((context), PHP_STREAM_NOTIFY_FILE_SIZE_IS, PHP_STREAM_NOTIFY_SEVERITY_INFO, \ (xmsg), (xcode), 0, (file_size), NULL TSRMLS_CC); } } while(0) #define php_stream_notify_error(context, code, xmsg, xcode) do { if ((context) && (context)->notifier) {\ php_stream_notification_notify((context), (code), PHP_STREAM_NOTIFY_SEVERITY_ERR, \ (xmsg), (xcode), 0, 0, NULL TSRMLS_CC); } } while(0) /* Give other modules access to the url_stream_wrappers_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) #endif /* * Local variables: * tab-width: 4 * c-basic-offset: 4 * End: * vim600: sw=4 ts=4 fdm=marker * vim<600: sw=4 ts=4 */