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Tag: php-4.0.7RC1
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executable file 110 lines (91 sloc) 4.496 kB
/*
+----------------------------------------------------------------------+
| PHP version 4.0 |
+----------------------------------------------------------------------+
| Copyright (c) 1997, 1998, 1999, 2000, 2001 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. |
+----------------------------------------------------------------------+
| Authors: |
| Wez Furlong (wez@thebrainroom.com) |
+----------------------------------------------------------------------+
*/
#ifndef PHP_STREAMS_H
#define PHP_STREAMS_H
#if HAVE_PHP_STREAM
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
/* See README.STREAMS in php4 root dir for more info about this stuff */
typedef struct _php_stream php_stream;
typedef struct _php_stream_ops {
/* stdio like functions - these are mandatory! */
size_t (*write)(php_stream * stream, const char * buf, size_t count);
size_t (*read)(php_stream * stream, char * buf, size_t count);
int (*close)(php_stream * stream);
int (*flush)(php_stream * stream);
/* these are optional */
int (*seek)(php_stream * stream, off_t offset, int whence);
char * (*gets)(php_stream * stream, char * buf, size_t size);
int (*cast)(php_stream * stream, int castas, void ** ret);
const char * label; /* label for this ops structure */
} php_stream_ops;
struct _php_stream {
php_stream_ops * ops;
void * abstract; /* convenience pointer for abstraction */
int is_persistent;
char mode[16]; /* "rwb" etc. ala stdio */
/* 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! */
}; /* php_stream */
#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, int persistent, const char * mode);
PHPAPI int php_stream_free(php_stream * stream, int call_dtor);
#define php_stream_close(stream) php_stream_free(stream, 1)
PHPAPI int php_stream_seek(php_stream * stream, off_t offset, int whence);
#define php_stream_rewind(stream) php_stream_seek(stream, 0L, SEEK_SET)
PHPAPI off_t php_stream_tell(php_stream * stream);
PHPAPI size_t php_stream_read(php_stream * stream, char * buf, size_t count);
PHPAPI size_t php_stream_write(php_stream * stream, const char * buf, size_t count);
PHPAPI int php_stream_eof(php_stream * stream);
PHPAPI int php_stream_getc(php_stream * stream);
PHPAPI int php_stream_flush(php_stream * stream);
PHPAPI char *php_stream_gets(php_stream * stream, char *buf, size_t maxlen);
/* operations for a stdio FILE; the FILE * must be placed in stream->abstract */
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);
/* 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
PHPAPI int php_stream_cast(php_stream * stream, int castas, void ** ret, int show_err);
/* 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)
/* 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)
#endif /* HAVE_PHP_STREAM */
#endif
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: sw=4 ts=4 tw=78 fdm=marker
* vim<600: sw=4 ts=4 tw=78
*/
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