lbarnaud Sun Apr 19 13:46:47 2009 UTC
Modified files: (Branch: PHP_5_3)
/php-src NEWS
/php-src/ext/standard file.c streamsfuncs.c
/php-src/main php_streams.h
/php-src/main/streams cast.c streams.c
Log:
Fixed bug #47997 (stream_copy_to_stream returns 1 on empty streams)
http://cvs.php.net/viewvc.cgi/php-src/NEWS?r1=1.2027.2.547.2.965.2.560&r2=1.2027.2.547.2.965.2.561&diff_format=u
Index: php-src/NEWS
diff -u php-src/NEWS:1.2027.2.547.2.965.2.560
php-src/NEWS:1.2027.2.547.2.965.2.561
--- php-src/NEWS:1.2027.2.547.2.965.2.560 Thu Apr 16 10:16:26 2009
+++ php-src/NEWS Sun Apr 19 13:46:46 2009
@@ -12,6 +12,7 @@
disable this behaviour using "http"=>array("auto_decode"=>0) in stream
context. (Dmitry)
+- Fixed bug #47997 (stream_copy_to_stream returns 1 on empty streams). (Arnaud)
- Fixed bug #47880 (crashes in call_user_func_array()). (Dmitry)
- Fixed bug #47856 (stristr() converts needle to lower-case). (Ilia)
- Fixed bug #47851 (is_callable throws fatal error). (Dmitry)
http://cvs.php.net/viewvc.cgi/php-src/ext/standard/file.c?r1=1.409.2.6.2.28.2.29&r2=1.409.2.6.2.28.2.30&diff_format=u
Index: php-src/ext/standard/file.c
diff -u php-src/ext/standard/file.c:1.409.2.6.2.28.2.29
php-src/ext/standard/file.c:1.409.2.6.2.28.2.30
--- php-src/ext/standard/file.c:1.409.2.6.2.28.2.29 Tue Jan 20 01:40:05 2009
+++ php-src/ext/standard/file.c Sun Apr 19 13:46:46 2009
@@ -21,7 +21,7 @@
+----------------------------------------------------------------------+
*/
-/* $Id: file.c,v 1.409.2.6.2.28.2.29 2009/01/20 01:40:05 pajoye Exp $ */
+/* $Id: file.c,v 1.409.2.6.2.28.2.30 2009/04/19 13:46:46 lbarnaud Exp $ */
/* Synced with php 3.0 revision 1.218 1999-06-16 [ssb] */
@@ -627,7 +627,10 @@
switch (Z_TYPE_P(data)) {
case IS_RESOURCE:
- numbytes = php_stream_copy_to_stream(srcstream, stream,
PHP_STREAM_COPY_ALL);
+ numbytes = (int)
php_stream_copy_to_stream_ex(srcstream, stream, PHP_STREAM_COPY_ALL);
+ if ((size_t)numbytes == PHP_STREAM_FAILURE) {
+ numbytes = -1;
+ }
break;
case IS_NULL:
case IS_LONG:
@@ -1783,7 +1786,7 @@
deststream = php_stream_open_wrapper(dest, "wb", ENFORCE_SAFE_MODE |
REPORT_ERRORS, NULL);
if (srcstream && deststream) {
- ret = php_stream_copy_to_stream(srcstream, deststream,
PHP_STREAM_COPY_ALL) == 0 ? FAILURE : SUCCESS;
+ ret = php_stream_copy_to_stream_ex(srcstream, deststream,
PHP_STREAM_COPY_ALL) == PHP_STREAM_FAILURE ? FAILURE : SUCCESS;
}
if (srcstream) {
php_stream_close(srcstream);
http://cvs.php.net/viewvc.cgi/php-src/ext/standard/streamsfuncs.c?r1=1.58.2.6.2.15.2.34&r2=1.58.2.6.2.15.2.35&diff_format=u
Index: php-src/ext/standard/streamsfuncs.c
diff -u php-src/ext/standard/streamsfuncs.c:1.58.2.6.2.15.2.34
php-src/ext/standard/streamsfuncs.c:1.58.2.6.2.15.2.35
--- php-src/ext/standard/streamsfuncs.c:1.58.2.6.2.15.2.34 Fri Jan 23
15:49:49 2009
+++ php-src/ext/standard/streamsfuncs.c Sun Apr 19 13:46:46 2009
@@ -17,7 +17,7 @@
+----------------------------------------------------------------------+
*/
-/* $Id: streamsfuncs.c,v 1.58.2.6.2.15.2.34 2009/01/23 15:49:49 kalle Exp $ */
+/* $Id: streamsfuncs.c,v 1.58.2.6.2.15.2.35 2009/04/19 13:46:46 lbarnaud Exp $
*/
#include "php.h"
#include "php_globals.h"
@@ -443,6 +443,7 @@
php_stream *src, *dest;
zval *zsrc, *zdest;
long maxlen = PHP_STREAM_COPY_ALL, pos = 0;
+ size_t ret;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rr|ll", &zsrc,
&zdest, &maxlen, &pos) == FAILURE) {
RETURN_FALSE;
@@ -456,7 +457,12 @@
RETURN_FALSE;
}
- RETURN_LONG(php_stream_copy_to_stream(src, dest, maxlen));
+ ret = php_stream_copy_to_stream_ex(src, dest, maxlen);
+
+ if (ret == PHP_STREAM_FAILURE) {
+ RETURN_FALSE;
+ }
+ RETURN_LONG(ret);
}
/* }}} */
http://cvs.php.net/viewvc.cgi/php-src/main/php_streams.h?r1=1.103.2.1.2.4.2.8&r2=1.103.2.1.2.4.2.9&diff_format=u
Index: php-src/main/php_streams.h
diff -u php-src/main/php_streams.h:1.103.2.1.2.4.2.8
php-src/main/php_streams.h:1.103.2.1.2.4.2.9
--- php-src/main/php_streams.h:1.103.2.1.2.4.2.8 Wed Dec 31 11:15:47 2008
+++ php-src/main/php_streams.h Sun Apr 19 13:46:47 2009
@@ -16,7 +16,7 @@
+----------------------------------------------------------------------+
*/
-/* $Id: php_streams.h,v 1.103.2.1.2.4.2.8 2008/12/31 11:15:47 sebastian Exp $
*/
+/* $Id: php_streams.h,v 1.103.2.1.2.4.2.9 2009/04/19 13:46:47 lbarnaud Exp $ */
#ifndef PHP_STREAMS_H
#define PHP_STREAMS_H
@@ -420,9 +420,14 @@
* Uses mmap if the src is a plain file and at offset 0 */
#define PHP_STREAM_COPY_ALL ((size_t)-1)
+#define PHP_STREAM_FAILURE ((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 STREAMS_DC TSRMLS_DC);
+#define php_stream_copy_to_stream_ex(src, dest, maxlen)
_php_stream_copy_to_stream_ex((src), (dest), (maxlen) STREAMS_CC TSRMLS_CC)
/* read all data from stream and put into a buffer. Caller must free buffer
when done.
http://cvs.php.net/viewvc.cgi/php-src/main/streams/cast.c?r1=1.12.2.1.2.1.2.3&r2=1.12.2.1.2.1.2.4&diff_format=u
Index: php-src/main/streams/cast.c
diff -u php-src/main/streams/cast.c:1.12.2.1.2.1.2.3
php-src/main/streams/cast.c:1.12.2.1.2.1.2.4
--- php-src/main/streams/cast.c:1.12.2.1.2.1.2.3 Wed Dec 31 11:15:48 2008
+++ php-src/main/streams/cast.c Sun Apr 19 13:46:47 2009
@@ -16,7 +16,7 @@
+----------------------------------------------------------------------+
*/
-/* $Id: cast.c,v 1.12.2.1.2.1.2.3 2008/12/31 11:15:48 sebastian Exp $ */
+/* $Id: cast.c,v 1.12.2.1.2.1.2.4 2009/04/19 13:46:47 lbarnaud Exp $ */
#define _GNU_SOURCE
#include "php.h"
@@ -214,9 +214,9 @@
newstream = php_stream_fopen_tmpfile();
if (newstream) {
- size_t copied =
php_stream_copy_to_stream(stream, newstream, PHP_STREAM_COPY_ALL);
+ size_t copied =
php_stream_copy_to_stream_ex(stream, newstream, PHP_STREAM_COPY_ALL);
- if (copied == 0) {
+ if (copied == PHP_STREAM_FAILURE) {
php_stream_close(newstream);
} else {
int retcode =
php_stream_cast(newstream, castas | flags, ret, show_err);
@@ -332,7 +332,7 @@
(*newstream)->open_lineno = origstream->open_lineno;
#endif
- if (php_stream_copy_to_stream(origstream, *newstream,
PHP_STREAM_COPY_ALL) == 0) {
+ if (php_stream_copy_to_stream_ex(origstream, *newstream,
PHP_STREAM_COPY_ALL) == PHP_STREAM_FAILURE) {
php_stream_close(*newstream);
*newstream = NULL;
return PHP_STREAM_CRITICAL;
http://cvs.php.net/viewvc.cgi/php-src/main/streams/streams.c?r1=1.82.2.6.2.18.2.24&r2=1.82.2.6.2.18.2.25&diff_format=u
Index: php-src/main/streams/streams.c
diff -u php-src/main/streams/streams.c:1.82.2.6.2.18.2.24
php-src/main/streams/streams.c:1.82.2.6.2.18.2.25
--- php-src/main/streams/streams.c:1.82.2.6.2.18.2.24 Thu Mar 19 17:55:10 2009
+++ php-src/main/streams/streams.c Sun Apr 19 13:46:47 2009
@@ -19,7 +19,7 @@
+----------------------------------------------------------------------+
*/
-/* $Id: streams.c,v 1.82.2.6.2.18.2.24 2009/03/19 17:55:10 lbarnaud Exp $ */
+/* $Id: streams.c,v 1.82.2.6.2.18.2.25 2009/04/19 13:46:47 lbarnaud Exp $ */
#define _GNU_SOURCE
#include "php.h"
@@ -1297,7 +1297,8 @@
return len;
}
-PHPAPI size_t _php_stream_copy_to_stream(php_stream *src, php_stream *dest,
size_t maxlen STREAMS_DC TSRMLS_DC)
+/* Returns the number of bytes moved, or PHP_STREAM_FAILURE on failure. */
+PHPAPI size_t _php_stream_copy_to_stream_ex(php_stream *src, php_stream *dest,
size_t maxlen STREAMS_DC TSRMLS_DC)
{
char buf[CHUNK_SIZE];
size_t readchunk;
@@ -1314,8 +1315,6 @@
}
if (php_stream_stat(src, &ssbuf) == 0) {
- /* in the event that the source file is 0 bytes, return 1 to
indicate success
- * because opening the file to write had already created a copy
*/
if (ssbuf.sb.st_size == 0
#ifdef S_ISFIFO
&& !S_ISFIFO(ssbuf.sb.st_mode)
@@ -1324,7 +1323,7 @@
&& !S_ISCHR(ssbuf.sb.st_mode)
#endif
) {
- return 1;
+ return 0;
}
}
@@ -1338,8 +1337,14 @@
mapped = php_stream_write(dest, p, mapped);
php_stream_mmap_unmap(src);
+
+ /* we've got at least 1 byte to read.
+ * less than 1 is an error */
- return mapped;
+ if (mapped > 0) {
+ return mapped;
+ }
+ return PHP_STREAM_FAILURE;
}
}
@@ -1364,14 +1369,14 @@
while(towrite) {
didwrite = php_stream_write(dest, writeptr,
towrite);
if (didwrite == 0) {
- return 0; /* error */
+ return PHP_STREAM_FAILURE;
}
towrite -= didwrite;
writeptr += didwrite;
}
} else {
- return haveread;
+ break;
}
if (maxlen - haveread == 0) {
@@ -1379,7 +1384,26 @@
}
}
- return haveread;
+ /* we've got at least 1 byte to read.
+ * less than 1 is an error */
+
+ if (haveread > 0) {
+ return haveread;
+ }
+ return PHP_STREAM_FAILURE;
+}
+
+/* Returns the number of bytes moved.
+ * Returns 1 when source len is 0.
+ * Deprecated in favor of php_stream_copy_to_stream_ex() */
+ZEND_ATTRIBUTE_DEPRECATED
+PHPAPI size_t _php_stream_copy_to_stream(php_stream *src, php_stream *dest,
size_t maxlen STREAMS_DC TSRMLS_DC)
+{
+ size_t ret = _php_stream_copy_to_stream_ex(src, dest, maxlen
STREAMS_REL_CC TSRMLS_CC);
+ if (ret == 0 && maxlen != 0) {
+ return 1;
+ }
+ return ret;
}
/* }}} */
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