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authorGustavo André dos Santos Lopes <cataphract@php.net>2011-04-09 16:59:36 +0000
committerGustavo André dos Santos Lopes <cataphract@php.net>2011-04-09 16:59:36 +0000
commitf2cfb997de5aa7cebaacc3f5b00454ed5fa28ba9 (patch)
tree96bea37b4e44115289a44b26f15dbd8bfa9e80a1 /ext
parentdef1ab1e60045d823b7e9b84bf6fece38b2302c6 (diff)
downloadphp-git-f2cfb997de5aa7cebaacc3f5b00454ed5fa28ba9.tar.gz
- Fixed bug #54494: mb_substr() mishandles UTF-32LE and UCS-2LE.
Diffstat (limited to 'ext')
-rw-r--r--ext/mbstring/libmbfl/mbfl/mbfilter.c4
-rw-r--r--ext/mbstring/tests/bug54494.phpt52
2 files changed, 54 insertions, 2 deletions
diff --git a/ext/mbstring/libmbfl/mbfl/mbfilter.c b/ext/mbstring/libmbfl/mbfl/mbfilter.c
index b8b1db2683..34e33644b5 100644
--- a/ext/mbstring/libmbfl/mbfl/mbfilter.c
+++ b/ext/mbstring/libmbfl/mbfl/mbfilter.c
@@ -1202,10 +1202,10 @@ mbfl_substr(
len = string->len;
start = from;
end = from + length;
- if (encoding->flag & (MBFL_ENCTYPE_WCS2BE | MBFL_ENCTYPE_MWC2LE)) {
+ if (encoding->flag & (MBFL_ENCTYPE_WCS2BE | MBFL_ENCTYPE_WCS2LE)) {
start *= 2;
end = start + length*2;
- } else if (encoding->flag & (MBFL_ENCTYPE_WCS4BE | MBFL_ENCTYPE_MWC4LE)) {
+ } else if (encoding->flag & (MBFL_ENCTYPE_WCS4BE | MBFL_ENCTYPE_WCS4LE)) {
start *= 4;
end = start + length*4;
} else if (encoding->mblen_table != NULL) {
diff --git a/ext/mbstring/tests/bug54494.phpt b/ext/mbstring/tests/bug54494.phpt
new file mode 100644
index 0000000000..3d7206c3ee
--- /dev/null
+++ b/ext/mbstring/tests/bug54494.phpt
@@ -0,0 +1,52 @@
+--TEST--
+Bug #54494: mb_substr() mishandles UTF-32LE and UCS-2LE
+--SKIPIF--
+<?php extension_loaded('mbstring') or die('skip mbstring not available'); ?>
+--FILE--
+<?php
+
+//declare(encoding = 'UTF-8');
+mb_internal_encoding('UTF-8');
+
+header('Content-Type: text/plain; charset=UTF-32LE');
+
+$stringOr = "hällö wörld\n";
+
+$mode = "UTF-32LE";
+
+echo "$mode:\n";
+
+$string = mb_convert_encoding($stringOr, $mode);
+$length = mb_strlen($string, $mode);
+echo "Length: ", $length, "\n";
+
+
+for ($i=0; $i < $length; $i++) {
+ $t = unpack("H*",mb_substr($string, $i, 1, $mode));
+ echo $t[1];
+}
+echo "\n";
+
+
+$mode = "UCS-2LE";
+
+echo "$mode:\n";
+
+$string = mb_convert_encoding($stringOr, $mode);
+$length = mb_strlen($string, $mode);
+echo "Length: ", $length, "\n";
+
+
+for ($i=0; $i < $length; $i++) {
+ $t = unpack("H*",mb_substr($string, $i, 1, $mode));
+ echo $t[1];
+}
+echo "\n";
+--EXPECT--
+UTF-32LE:
+Length: 12
+68000000e40000006c0000006c000000f60000002000000077000000f6000000720000006c000000640000000a000000
+UCS-2LE:
+Length: 12
+6800e4006c006c00f60020007700f60072006c0064000a00
+