cataphract Thu, 14 Oct 2010 02:03:18 +0000 Revision: http://svn.php.net/viewvc?view=revision&revision=304380
Log: - [DOC] Changed stream_get_contents() so that the offset is relative to the current position (seek with SEEK_CUR, not SEEK_SET). Only positive values are allowed. This breaking change is necessary to fix the erratic behavior in streams without a seek handlder. Addresses bug #53006. #Note that the example on the doc page for stream_get_contents() may fail #without this change. #This change is also in the spirit of stream_get_contents(), whose description #is "Reads all remaining bytes (or up to maxlen bytes) from a stream...". #Previous behavior allowed setting the file pointer to positions before the #current one, so they wouldn't be "remaining bytes". The previous behavior was #also inconsistent in that it allowed an moving to offset 1, 2, ..., but not 0. Bug: http://bugs.php.net/53006 (Assigned) stream_get_contents offset max is 1165 Changed paths: U php/php-src/trunk/ext/standard/streamsfuncs.c Modified: php/php-src/trunk/ext/standard/streamsfuncs.c =================================================================== --- php/php-src/trunk/ext/standard/streamsfuncs.c 2010-10-14 00:09:01 UTC (rev 304379) +++ php/php-src/trunk/ext/standard/streamsfuncs.c 2010-10-14 02:03:18 UTC (rev 304380) @@ -425,9 +425,12 @@ php_stream_from_zval(stream, &zsrc); - if ((pos > 0 || (pos == 0 && ZEND_NUM_ARGS() > 2)) && php_stream_seek(stream, pos, SEEK_SET) < 0) { - php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to seek to position %ld in the stream", pos); + if ((pos != 0L) && php_stream_seek(stream, pos, SEEK_CUR) < 0) { + php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to seek %ld bytes from current position in the stream", pos); RETURN_FALSE; + } else if (pos < 0L) { + php_error_docref(NULL TSRMLS_CC, E_WARNING, "Number of bytes to seek must be non-negative, given %ld", pos); + RETURN_FALSE; } len = php_stream_copy_to_mem(stream, &contents, maxlen, 0);
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