From 0ca15cbeba8b8289ee6171bd30850fe06880dc2c Mon Sep 17 00:00:00 2001
From: Anatol Belski <ab@php.net>
Date: Thu, 15 Sep 2016 16:48:29 +0200
Subject: [PATCH] reduce size of stream struct

32 bytes are spared on 64-bit build
---
 ext/standard/php_string.h |  4 ++--
 ext/standard/string.c     |  6 +++---
 main/php_streams.h        | 24 ++++++++++++++----------
 3 files changed, 19 insertions(+), 15 deletions(-)

diff --git a/ext/standard/php_string.h b/ext/standard/php_string.h
index 51cf8c99626..14b66e7e131 100644
--- a/ext/standard/php_string.h
+++ b/ext/standard/php_string.h
@@ -133,8 +133,8 @@ PHPAPI char *php_stristr(char *s, char *t, size_t s_len, size_t t_len);
 PHPAPI zend_string *php_str_to_str(char *haystack, size_t length, char *needle,
 		size_t needle_len, char *str, size_t str_len);
 PHPAPI zend_string *php_trim(zend_string *str, char *what, size_t what_len, int mode);
-PHPAPI size_t php_strip_tags(char *rbuf, size_t len, int *state, const char *allow, size_t allow_len);
-PHPAPI size_t php_strip_tags_ex(char *rbuf, size_t len, int *stateptr, const char *allow, size_t allow_len, zend_bool allow_tag_spaces);
+PHPAPI size_t php_strip_tags(char *rbuf, size_t len, uint8_t *state, const char *allow, size_t allow_len);
+PHPAPI size_t php_strip_tags_ex(char *rbuf, size_t len, uint8_t *stateptr, const char *allow, size_t allow_len, zend_bool allow_tag_spaces);
 PHPAPI void php_implode(const zend_string *delim, zval *arr, zval *return_value);
 PHPAPI void php_explode(const zend_string *delim, zend_string *str, zval *return_value, zend_long limit);
 
diff --git a/ext/standard/string.c b/ext/standard/string.c
index c41d48ef17f..fa59ddd06f7 100644
--- a/ext/standard/string.c
+++ b/ext/standard/string.c
@@ -4599,7 +4599,7 @@ int php_tag_find(char *tag, size_t len, const char *set) {
 }
 /* }}} */
 
-PHPAPI size_t php_strip_tags(char *rbuf, size_t len, int *stateptr, const char *allow, size_t allow_len) /* {{{ */
+PHPAPI size_t php_strip_tags(char *rbuf, size_t len, uint8_t *stateptr, const char *allow, size_t allow_len) /* {{{ */
 {
 	return php_strip_tags_ex(rbuf, len, stateptr, allow, allow_len, 0);
 }
@@ -4625,11 +4625,11 @@ PHPAPI size_t php_strip_tags(char *rbuf, size_t len, int *stateptr, const char *
 	swm: Added ability to strip <?xml tags without assuming it PHP
 	code.
 */
-PHPAPI size_t php_strip_tags_ex(char *rbuf, size_t len, int *stateptr, const char *allow, size_t allow_len, zend_bool allow_tag_spaces)
+PHPAPI size_t php_strip_tags_ex(char *rbuf, size_t len, uint8_t *stateptr, const char *allow, size_t allow_len, zend_bool allow_tag_spaces)
 {
 	char *tbuf, *buf, *p, *tp, *rp, c, lc;
 	int br, depth=0, in_q = 0;
-	int state = 0;
+	uint8_t state = 0;
 	size_t pos, i = 0;
 	char *allow_free = NULL;
 	const char *allow_actual;
diff --git a/main/php_streams.h b/main/php_streams.h
index e205118bd7f..1bdee95d171 100644
--- a/main/php_streams.h
+++ b/main/php_streams.h
@@ -197,22 +197,26 @@ struct _php_stream  {
 	void *wrapperthis;		/* convenience pointer for a instance of a wrapper */
 	zval wrapperdata;		/* fgetwrapperdata retrieves this */
 
-	int fgetss_state;		/* for fgetss to handle multiline tags */
-	int is_persistent;
-	char mode[16];			/* "rwb" etc. ala stdio */
-	zend_resource *res;		/* used for auto-cleanup */
-	int in_free;			/* to prevent recursion during free */
+	uint8_t is_persistent:1;
+	uint8_t in_free:1;			/* to prevent recursion during free */
+	uint8_t eof:1;
+	uint8_t __exposed:1;	/* non-zero if exposed as a zval somewhere */
+
 	/* so we know how to clean it up correctly.  This should be set to
 	 * PHP_STREAM_FCLOSE_XXX as appropriate */
-	int fclose_stdiocast;
+	uint8_t fclose_stdiocast:2;
+
+	uint8_t fgetss_state;		/* for fgetss to handle multiline tags */
+
+	char mode[16];			/* "rwb" etc. ala stdio */
+
+	uint32_t flags;	/* PHP_STREAM_FLAG_XXX */
+
+	zend_resource *res;		/* used for auto-cleanup */
 	FILE *stdiocast;    /* cache this, otherwise we might leak! */
-	int __exposed;	/* non-zero if exposed as a zval somewhere */
 	char *orig_path;
 
 	zend_resource *ctx;
-	uint32_t flags;	/* PHP_STREAM_FLAG_XXX */
-
-	int eof;
 
 	/* buffer */
 	zend_off_t position; /* of underlying stream */