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d59aac58b3
The php_stream_read() and php_stream_write() functions now return an ssize_t value, with negative results indicating failure. Functions like fread() and fwrite() will return false in that case. As a special case, EWOULDBLOCK and EAGAIN on non-blocking streams should not be regarded as error conditions, and be reported as successful zero-length reads/writes instead. The handling of EINTR remains unclear and is internally inconsistent (e.g. some code-paths will automatically retry on EINTR, while some won't). I'm landing this now to make sure the stream wrapper ops API changes make it into 7.4 -- however, if the user-facing changes turn out to be problematic we have the option of clamping negative returns to zero in php_stream_read() and php_stream_write() to restore the old behavior in a relatively non-intrusive manner.
37 lines
2.2 KiB
C
37 lines
2.2 KiB
C
/*
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+----------------------------------------------------------------------+
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| phar php single-file executable PHP extension |
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+----------------------------------------------------------------------+
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| Copyright (c) The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt. |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Gregory Beaver <cellog@php.net> |
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| Marcus Boerger <helly@php.net> |
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+----------------------------------------------------------------------+
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*/
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BEGIN_EXTERN_C()
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int phar_wrapper_mkdir(php_stream_wrapper *wrapper, const char *url_from, int mode, int options, php_stream_context *context);
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int phar_wrapper_rmdir(php_stream_wrapper *wrapper, const char *url, int options, php_stream_context *context);
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#ifdef PHAR_DIRSTREAM
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php_url* phar_parse_url(php_stream_wrapper *wrapper, const char *filename, const char *mode, int options);
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/* directory handlers */
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static ssize_t phar_dir_write(php_stream *stream, const char *buf, size_t count);
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static ssize_t phar_dir_read( php_stream *stream, char *buf, size_t count);
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static int phar_dir_close(php_stream *stream, int close_handle);
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static int phar_dir_flush(php_stream *stream);
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static int phar_dir_seek( php_stream *stream, zend_off_t offset, int whence, zend_off_t *newoffset);
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#else
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php_stream* phar_wrapper_open_dir(php_stream_wrapper *wrapper, const char *path, const char *mode, int options, zend_string **opened_path, php_stream_context *context STREAMS_DC);
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#endif
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END_EXTERN_C()
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