Merge branch 'PHP-5.6'

12 files changed, 309 insertions, 34 deletions

diff --git a/ext/fileinfo/data_file.c b/ext/fileinfo/data_file.c
index 8bcd5aa0e1..5b24670a72 100644
--- a/ext/fileinfo/data_file.c
+++ b/ext/fileinfo/data_file.c
@@ -121057,7 +121057,7 @@ const unsigned char php_magic_database[2803888] = {
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
 0x00, 0x00, 0x40, 0x00, 0x3D, 0x1B, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
-0x00, 0x00, 0x00, 0x00, 0x34, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
+0x00, 0x00, 0x00, 0x00, 0x34, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
 0x5E, 0x5C, 0x73, 0x7B, 0x30, 0x2C, 0x31, 0x30, 0x30, 0x7D, 0x42, 0x45, 0x47, 0x49, 0x4E, 0x5C, 
 0x73, 0x7B, 0x30, 0x2C, 0x31, 0x30, 0x30, 0x7D, 0x5B, 0x7B, 0x5D, 0x00, 0x00, 0x00, 0x00, 0x00, 
 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 
diff --git a/ext/fileinfo/libmagic/softmagic.c b/ext/fileinfo/libmagic/softmagic.c
index 3dd07820a4..e000dff92e 100644
--- a/ext/fileinfo/libmagic/softmagic.c
+++ b/ext/fileinfo/libmagic/softmagic.c
@@ -67,7 +67,7 @@ private int32_t mprint(struct magic_set *, struct magic *);
 private int32_t moffset(struct magic_set *, struct magic *);
 private void mdebug(uint32_t, const char *, size_t);
 private int mcopy(struct magic_set *, union VALUETYPE *, int, int,
-    const unsigned char *, uint32_t, size_t, size_t);
+    const unsigned char *, uint32_t, size_t, struct magic *);
 private int mconvert(struct magic_set *, struct magic *, int);
 private int print_sep(struct magic_set *, int);
 private int handle_annotation(struct magic_set *, struct magic *);
@@ -1038,7 +1038,7 @@ mdebug(uint32_t offset, const char *str, size_t len)
 
 private int
 mcopy(struct magic_set *ms, union VALUETYPE *p, int type, int indir,
-    const unsigned char *s, uint32_t offset, size_t nbytes, size_t linecnt)
+    const unsigned char *s, uint32_t offset, size_t nbytes, struct magic *m)
 {
 	/*
 	 * Note: FILE_SEARCH and FILE_REGEX do not actually copy
@@ -1058,15 +1058,24 @@ mcopy(struct magic_set *ms, union VALUETYPE *p, int type, int indir,
 			const char *last;	/* end of search region */
 			const char *buf;	/* start of search region */
 			const char *end;
-			size_t lines;
+			size_t lines, linecnt, bytecnt;
 
+			linecnt = m->str_range;
+			bytecnt = linecnt * 80;
+
+			if (bytecnt == 0) {
+				bytecnt = 8192;
+			}
+			if (bytecnt > nbytes) {
+				bytecnt = nbytes;
+			}
 			if (s == NULL) {
 				ms->search.s_len = 0;
 				ms->search.s = NULL;
 				return 0;
 			}
 			buf = RCAST(const char *, s) + offset;
-			end = last = RCAST(const char *, s) + nbytes;
+			end = last = RCAST(const char *, s) + bytecnt;
 			/* mget() guarantees buf <= last */
 			for (lines = linecnt, b = buf; lines && b < end &&
 			     ((b = CAST(const char *,
@@ -1079,7 +1088,7 @@ mcopy(struct magic_set *ms, union VALUETYPE *p, int type, int indir,
 					b++;
 			}
 			if (lines)
-				last = RCAST(const char *, s) + nbytes;
+				last = RCAST(const char *, s) + bytecnt;
 
 			ms->search.s = buf;
 			ms->search.s_len = last - buf;
@@ -1150,7 +1159,6 @@ mget(struct magic_set *ms, const unsigned char *s, struct magic *m,
     int *need_separator, int *returnval)
 {
 	uint32_t soffset, offset = ms->offset;
-	uint32_t count = m->str_range;
 	int rv, oneed_separator, in_type;
 	char *sbuf, *rbuf;
 	union VALUETYPE *p = &ms->ms_value;
@@ -1162,13 +1170,12 @@ mget(struct magic_set *ms, const unsigned char *s, struct magic *m,
 	}
 
 	if (mcopy(ms, p, m->type, m->flag & INDIR, s, (uint32_t)(offset + o),
-	    (uint32_t)nbytes, count) == -1)
+	    (uint32_t)nbytes, m) == -1)
 		return -1;
 
 	if ((ms->flags & MAGIC_DEBUG) != 0) {
 		fprintf(stderr, "mget(type=%d, flag=%x, offset=%u, o=%zu, "
-		    "nbytes=%zu, count=%u)\n", m->type, m->flag, offset, o,
-		    nbytes, count);
+		    "nbytes=%zu)\n", m->type, m->flag, offset, o, nbytes);
 		mdebug(offset, (char *)(void *)p, sizeof(union VALUETYPE));
 	}
 
@@ -1661,7 +1668,7 @@ mget(struct magic_set *ms, const unsigned char *s, struct magic *m,
 			if ((ms->flags & MAGIC_DEBUG) != 0)
 				fprintf(stderr, "indirect +offs=%u\n", offset);
 		}
-		if (mcopy(ms, p, m->type, 0, s, offset, nbytes, count) == -1)
+		if (mcopy(ms, p, m->type, 0, s, offset, nbytes, m) == -1)
 			return -1;
 		ms->offset = offset;
 
@@ -2093,7 +2100,7 @@ magiccheck(struct magic_set *ms, struct magic *m)
 			zval *retval;
 			zval *subpats;
 			char *haystack;
-			
+
 			MAKE_STD_ZVAL(retval);
 			ALLOC_INIT_ZVAL(subpats);
 			
diff --git a/ext/fileinfo/magicdata.patch b/ext/fileinfo/magicdata.patch
index fb34c3c533..524d40b567 100644
--- a/ext/fileinfo/magicdata.patch
+++ b/ext/fileinfo/magicdata.patch
@@ -1,4 +1,58 @@
-Patches applied to file sources tree before generating magic.mgc
+Patches applied to file 5.17 sources tree before generating magic.mgc
 and before running create_data_file.php to create data_file.c.
 
 
+
+From 0b478f445b6b7540b58af5d1fe583fa9e48fd745 Mon Sep 17 00:00:00 2001
+From: Christos Zoulas <christos@zoulas.com>
+Date: Wed, 28 May 2014 19:52:36 +0000
+Subject: [PATCH] further optimize awk by not looking for the BEGIN regex until
+ we found the BEGIN (Jan Kaluza)
+
+---
+ magic/Magdir/commands | 5 +++--
+ 1 file changed, 3 insertions(+), 2 deletions(-)
+
+diff --git a/magic/Magdir/commands b/magic/Magdir/commands
+index bfffdef..26b2869 100644
+--- a/magic/Magdir/commands
++++ b/magic/Magdir/commands
+@@ -49,7 +49,8 @@
+ !:mime	text/x-awk
+ 0	string/wt	#!\ /usr/bin/awk	awk script text executable
+ !:mime	text/x-awk
+-0	regex		=^\\s{0,100}BEGIN\\s{0,100}[{]	awk script text
++0       search/16384    BEGIN
++>0	regex		=^\\s{0,100}BEGIN\\s{0,100}[{]	awk script text
+ 
+ # AT&T Bell Labs' Plan 9 shell
+ 0	string/wt	#!\ /bin/rc	Plan 9 rc shell script text executable
+-- 
+2.0.3
+
+From 71a8b6c0d758acb0f73e2e51421a711b5e9d6668 Mon Sep 17 00:00:00 2001
+From: Christos Zoulas <christos@zoulas.com>
+Date: Fri, 30 May 2014 16:48:44 +0000
+Subject: [PATCH] Limit regex search for BEGIN to the first 4K of the file.
+
+---
+ magic/Magdir/commands | 5 ++---
+ 1 file changed, 2 insertions(+), 3 deletions(-)
+
+diff --git a/magic/Magdir/commands b/magic/Magdir/commands
+index 26b2869..bcd0f43 100644
+--- a/magic/Magdir/commands
++++ b/magic/Magdir/commands
+@@ -49,8 +49,7 @@
+ !:mime	text/x-awk
+ 0	string/wt	#!\ /usr/bin/awk	awk script text executable
+ !:mime	text/x-awk
+-0       search/16384    BEGIN
+->0	regex		=^\\s{0,100}BEGIN\\s{0,100}[{]	awk script text
++0	regex/4096	=^\\s{0,100}BEGIN\\s{0,100}[{]	awk script text
+ 
+ # AT&T Bell Labs' Plan 9 shell
+ 0	string/wt	#!\ /bin/rc	Plan 9 rc shell script text executable
+-- 
+2.0.3
+
diff --git a/ext/fileinfo/tests/cve-2014-3538.phpt b/ext/fileinfo/tests/cve-2014-3538.phpt
new file mode 100644
index 0000000000..d6bc9c68c8
--- /dev/null
+++ b/ext/fileinfo/tests/cve-2014-3538.phpt
@@ -0,0 +1,35 @@
+--TEST--
+Bug #66731: file: extensive backtraking
+--SKIPIF--
+<?php
+if (!class_exists('finfo'))
+	die('skip no fileinfo extension');
+--FILE--
+<?php
+$fd = __DIR__.'/cve-2014-3538.data';
+
+file_put_contents($fd,
+  'try:' .
+  str_repeat("\n", 1000000));
+
+$fi = finfo_open(FILEINFO_NONE);
+$t = microtime(true);
+var_dump(finfo_file($fi, $fd));
+$t = microtime(true) - $t;
+finfo_close($fi);
+if ($t < 1) {
+	echo "Ok\n";
+} else {
+	printf("Failed, time=%.2f\n", $t);
+}
+
+?>
+Done
+--CLEAN--
+<?php
+@unlink(__DIR__.'/cve-2014-3538.data');
+?>
+--EXPECTF--
+string(%d) "%s"
+Ok
+Done
\ No newline at end of file
diff --git a/ext/gd/libgd/gdxpm.c b/ext/gd/libgd/gdxpm.c
index 73f86e5df7..b69414e60d 100644
--- a/ext/gd/libgd/gdxpm.c
+++ b/ext/gd/libgd/gdxpm.c
@@ -31,12 +31,17 @@ gdImagePtr gdImageCreateFromXpm (char *filename)
 	if (ret != XpmSuccess) {
 		return 0;
 	}
+	number = image.ncolors;
+	for(i = 0; i < number; i++) {
+		if (!image.colorTable[i].c_color) {
+			goto done;
+		}
+	}
 
 	if (!(im = gdImageCreate(image.width, image.height))) {
 		goto done;
 	}
 
-	number = image.ncolors;
 	colors = (int *) safe_emalloc(number, sizeof(int), 0);
 	for (i = 0; i < number; i++) {
 		switch (strlen (image.colorTable[i].c_color)) {
diff --git a/ext/mysqli/tests/mysqli_stmt_multires.phpt b/ext/mysqli/tests/mysqli_stmt_multires.phpt
new file mode 100644
index 0000000000..28cf5e38f4
--- /dev/null
+++ b/ext/mysqli/tests/mysqli_stmt_multires.phpt
@@ -0,0 +1,120 @@
+--TEST--
+Multiple result set with PS
+--SKIPIF--
+<?php
+require_once('skipif.inc');
+require_once("connect.inc");
+if (!$IS_MYSQLND) {
+    die("skip mysqlnd only test");
+}
+require_once('skipifconnectfailure.inc');
+?>
+--FILE--
+<?php
+	require_once("connect.inc");
+	require('table.inc');
+
+	$stmt = mysqli_stmt_init($link);
+	if (!$link->query('DROP PROCEDURE IF EXISTS p123')) {
+		printf("[001] [%d] %s\n", $link->error, $link->errno);
+	}
+
+	if (!$link->query("CREATE PROCEDURE p123() BEGIN SELECT id+12, CONCAT_WS('-',label,'ahoi') FROM test ORDER BY id LIMIT 1; SELECT id + 42, CONCAT_WS('---',label, label) FROM test ORDER BY id LIMIT 1; END")) {
+		printf("[002] [%d] %s\n", $link->error, $link->errno);
+	}
+	
+	if (!($stmt = $link->prepare("CALL p123"))) {
+		printf("[003] [%d] %s\n", $stmt->error, $stmt->errno);
+	}
+
+	if (!$stmt->execute()) {
+		printf("[005] [%d] %s\n", $stmt->error, $stmt->errno);
+	}
+
+	$c_id = NULL;
+	$c_label = NULL;
+	if (!$stmt->bind_result($c_id, $c_label)) {
+		printf("[004] [%d] %s\n", $stmt->error, $stmt->errno);
+	}
+	var_dump("pre:",$c_id, $c_label);
+
+	if (!$stmt->fetch()) {
+		printf("[006] [%d] %s\n", $stmt->error, $stmt->errno);
+	}
+
+	var_dump("post:",$c_id, $c_label);
+
+	if ($stmt->fetch()) {
+		printf("[007] Shouldn't have fetched anything\n");
+		var_dump($c_id, $c_label);
+	}
+
+	if ($stmt->fetch()) {
+		printf("[008] No more rows expected\n");
+	}
+
+	if (!$stmt->more_results()) {
+		printf("[009] Expected more results\n");
+	} else {
+		var_dump("[009] next_result:", $stmt->next_result());
+	}
+
+	if (!$stmt->bind_result($c_id, $c_label)) {
+		printf("[010] [%d] %s\n", $stmt->error, $stmt->errno);
+	}
+	var_dump("pre:",$c_id, $c_label);
+
+	if (!$stmt->fetch()) {
+		printf("[011] [%d] %s\n", $stmt->error, $stmt->errno);
+	}
+
+	var_dump("post:",$c_id, $c_label);
+
+	if ($stmt->fetch()) {
+		printf("[012] No more rows expected\n");
+	}
+
+	if (!$stmt->more_results()) {
+		printf("[013] Expected more results\n");
+	} else {
+		var_dump("[013] next_result:", $stmt->next_result());
+	}
+
+	if ($stmt->more_results()) {
+		printf("[014] No more results expected\n");
+	} else {
+		printf("[014] No result, as expected\n");
+	}
+
+	$stmt->close();
+	$link->close();
+
+
+	echo "done";
+?>
+--CLEAN--
+<?php
+	require_once("connect.inc");
+	if (!$link->query('DROP PROCEDURE IF EXISTS p123')) {
+		printf("[001] [%d] %s\n", $link->error, $link->errno);
+	}
+?>
+--EXPECTF--
+string(4) "pre:"
+NULL
+NULL
+string(5) "post:"
+int(13)
+string(6) "a-ahoi"
+string(18) "[009] next_result:"
+bool(true)
+string(4) "pre:"
+int(13)
+string(6) "a-ahoi"
+string(5) "post:"
+int(43)
+string(5) "a---a"
+string(18) "[013] next_result:"
+bool(true)
+[014] No result, as expected
+done
\ No newline at end of file
diff --git a/ext/mysqlnd/mysqlnd_ps.c b/ext/mysqlnd/mysqlnd_ps.c
index 539d1c8f83..94833bf4d4 100644
--- a/ext/mysqlnd/mysqlnd_ps.c
+++ b/ext/mysqlnd/mysqlnd_ps.c
@@ -43,7 +43,6 @@ enum_func_status mysqlnd_stmt_execute_batch_generate_request(MYSQLND_STMT * cons
 static void mysqlnd_stmt_separate_result_bind(MYSQLND_STMT * const stmt TSRMLS_DC);
 static void mysqlnd_stmt_separate_one_result_bind(MYSQLND_STMT * const stmt, unsigned int param_no TSRMLS_DC);
 
-
 /* {{{ mysqlnd_stmt::store_result */
 static MYSQLND_RES *
 MYSQLND_METHOD(mysqlnd_stmt, store_result)(MYSQLND_STMT * const s TSRMLS_DC)
@@ -246,7 +245,7 @@ MYSQLND_METHOD(mysqlnd_stmt, next_result)(MYSQLND_STMT * s TSRMLS_DC)
 	DBG_INF_FMT("server_status=%u cursor=%u", stmt->upsert_status->server_status, stmt->upsert_status->server_status & SERVER_STATUS_CURSOR_EXISTS);
 
 	/* Free space for next result */
-	s->m->free_stmt_content(s TSRMLS_CC);
+	s->m->free_stmt_result(s TSRMLS_CC);
 	{
 		enum_func_status ret = s->m->parse_execute_response(s TSRMLS_CC);
 		DBG_RETURN(ret);
@@ -2091,6 +2090,37 @@ mysqlnd_stmt_separate_one_result_bind(MYSQLND_STMT * const s, unsigned int param
 /* }}} */
 
 
+/* {{{ mysqlnd_stmt::free_stmt_result */
+static void
+MYSQLND_METHOD(mysqlnd_stmt, free_stmt_result)(MYSQLND_STMT * const s TSRMLS_DC)
+{
+	MYSQLND_STMT_DATA * stmt = s? s->data:NULL;
+	DBG_ENTER("mysqlnd_stmt::free_stmt_result");
+	if (!stmt) {
+		DBG_VOID_RETURN;
+	}
+
+	/*
+	  First separate the bound variables, which point to the result set, then
+	  destroy the set.
+	*/
+	mysqlnd_stmt_separate_result_bind(s TSRMLS_CC);
+	/* Not every statement has a result set attached */
+	if (stmt->result) {
+		stmt->result->m.free_result_internal(stmt->result TSRMLS_CC);
+		stmt->result = NULL;
+	}
+	if (stmt->error_info->error_list) {
+		zend_llist_clean(stmt->error_info->error_list);
+		mnd_pefree(stmt->error_info->error_list, s->persistent);
+		stmt->error_info->error_list = NULL;
+	}
+
+	DBG_VOID_RETURN;
+}
+/* }}} */
+
+
 /* {{{ mysqlnd_stmt::free_stmt_content */
 static void
 MYSQLND_METHOD(mysqlnd_stmt, free_stmt_content)(MYSQLND_STMT * const s TSRMLS_DC)
@@ -2123,22 +2153,7 @@ MYSQLND_METHOD(mysqlnd_stmt, free_stmt_content)(MYSQLND_STMT * const s TSRMLS_DC
 		stmt->param_bind = NULL;
 	}
 
-	/*
-	  First separate the bound variables, which point to the result set, then
-	  destroy the set.
-	*/
-	mysqlnd_stmt_separate_result_bind(s TSRMLS_CC);
-	/* Not every statement has a result set attached */
-	if (stmt->result) {
-		stmt->result->m.free_result_internal(stmt->result TSRMLS_CC);
-		stmt->result = NULL;
-	}
-	if (stmt->error_info->error_list) {
-		zend_llist_clean(stmt->error_info->error_list);
-		mnd_pefree(stmt->error_info->error_list, s->persistent);
-		stmt->error_info->error_list = NULL;
-	}
-
+	s->m->free_stmt_result(s TSRMLS_CC);
 	DBG_VOID_RETURN;
 }
 /* }}} */
@@ -2357,7 +2372,8 @@ MYSQLND_CLASS_METHODS_START(mysqlnd_stmt)
 	mysqlnd_stmt_execute_generate_request,
 	mysqlnd_stmt_execute_parse_response,
 	MYSQLND_METHOD(mysqlnd_stmt, free_stmt_content),
-	MYSQLND_METHOD(mysqlnd_stmt, flush)
+	MYSQLND_METHOD(mysqlnd_stmt, flush),
+	MYSQLND_METHOD(mysqlnd_stmt, free_stmt_result)
 MYSQLND_CLASS_METHODS_END;
 
 
diff --git a/ext/mysqlnd/mysqlnd_structs.h b/ext/mysqlnd/mysqlnd_structs.h
index 66920e47be..b743dada3c 100644
--- a/ext/mysqlnd/mysqlnd_structs.h
+++ b/ext/mysqlnd/mysqlnd_structs.h
@@ -787,6 +787,7 @@ typedef enum_func_status 	(*func_mysqlnd_stmt__generate_execute_request)(MYSQLND
 typedef enum_func_status	(*func_mysqlnd_stmt__parse_execute_response)(MYSQLND_STMT * const s TSRMLS_DC);
 typedef void 				(*func_mysqlnd_stmt__free_stmt_content)(MYSQLND_STMT * const s TSRMLS_DC);
 typedef enum_func_status	(*func_mysqlnd_stmt__flush)(MYSQLND_STMT * const stmt TSRMLS_DC);
+typedef void 				(*func_mysqlnd_stmt__free_stmt_result)(MYSQLND_STMT * const s TSRMLS_DC);
 
 struct st_mysqlnd_stmt_methods
 {
@@ -842,6 +843,8 @@ struct st_mysqlnd_stmt_methods
 	func_mysqlnd_stmt__free_stmt_content free_stmt_content;
 
 	func_mysqlnd_stmt__flush flush;
+
+	func_mysqlnd_stmt__free_stmt_result free_stmt_result;
 };
 
 
diff --git a/ext/standard/info.c b/ext/standard/info.c
index 1b1b8f202b..343244c21c 100644
--- a/ext/standard/info.c
+++ b/ext/standard/info.c
@@ -592,6 +592,14 @@ PHPAPI char *php_get_uname(char mode)
 
 		php_get_windows_cpu(wincpu, sizeof(wincpu));
 		dwBuild = (DWORD)(HIWORD(dwVersion));
+		
+		/* Windows "version" 6.2 could be Windows 8/Windows Server 2012, but also Windows 8.1/Windows Server 2012 R2 */
+		if (dwWindowsMajorVersion == 6 && dwWindowsMinorVersion == 2) {
+			if (strncmp(winver, "Windows 8.1", 11) == 0 || strncmp(winver, "Windows Server 2012 R2", 22) == 0) {
+				dwWindowsMinorVersion = 3;
+			}
+		}
+		
 		snprintf(tmp_uname, sizeof(tmp_uname), "%s %s %d.%d build %d (%s) %s",
 				 "Windows NT", ComputerName,
 				 dwWindowsMajorVersion, dwWindowsMinorVersion, dwBuild, winver?winver:"unknown", wincpu);
diff --git a/ext/zlib/tests/bug67724.gz.gz b/ext/zlib/tests/bug67724.gz.gz
new file mode 100644
index 0000000000..ab1db9258e
--- /dev/null
+++ b/ext/zlib/tests/bug67724.gz.gz
diff --git a/ext/zlib/tests/bug67724.phpt b/ext/zlib/tests/bug67724.phpt
new file mode 100644
index 0000000000..1e5026f650
--- /dev/null
+++ b/ext/zlib/tests/bug67724.phpt
@@ -0,0 +1,26 @@
+--TEST--
+Bug #67724 (chained zlib filters silently fail with large amounts of data)
+--SKIPIF--
+<?php
+extension_loaded("zlib") or die("skip need ext/zlib");
+?>
+--FILE--
+<?php
+echo "Test\n";
+
+$f = fopen(__DIR__."/bug67724.gz.gz", "rb")
+	or die(current(error_get_last()));
+stream_filter_append($f, "zlib.inflate", STREAM_FILTER_READ, ["window" => 30]);
+stream_filter_append($f, "zlib.inflate", STREAM_FILTER_READ, ["window" => 30]);
+for ($i = 0; !feof($f); $i += strlen(fread($f, 0x1000)))
+	;
+fclose($f);
+
+var_dump($i);
+
+?>
+DONE
+--EXPECT--
+Test
+int(25600000)
+DONE
diff --git a/ext/zlib/zlib_filter.c b/ext/zlib/zlib_filter.c
index 9a59c3a855..4bde5f63cd 100644
--- a/ext/zlib/zlib_filter.c
+++ b/ext/zlib/zlib_filter.c
@@ -302,7 +302,8 @@ static php_stream_filter *php_zlib_filter_create(const char *filtername, zval *f
 
 	data->strm.zalloc = (alloc_func) php_zlib_alloc;
 	data->strm.zfree = (free_func) php_zlib_free;
-	data->strm.avail_out = data->outbuf_len = data->inbuf_len = 2048;
+	data->strm.avail_out = data->outbuf_len = 0x8000;
+	data->inbuf_len = 2048;
 	data->strm.next_in = data->inbuf = (Bytef *) pemalloc(data->inbuf_len, persistent);
 	if (!data->inbuf) {
 		php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed allocating %zd bytes", data->inbuf_len);