Add some const qualifiers

Author: Girgias

Zend/zend_highlight.c

@@ -75,12 +75,12 @@ ZEND_API void zend_html_puts(const char *s, size_t len)
 }
 
 
-ZEND_API void zend_highlight(zend_syntax_highlighter_ini *syntax_highlighter_ini_ptr)
+ZEND_API void zend_highlight(const zend_syntax_highlighter_ini *syntax_highlighter_ini_ptr)
 {
 	zval token;
 	int token_type;
-	char *last_color = syntax_highlighter_ini_ptr->highlight_html;
-	char *next_color;
+	const char *last_color = syntax_highlighter_ini_ptr->highlight_html;
+	const char *next_color;
 
 	zend_printf("<pre><code style=\"color: %s\">", last_color);
 	/* highlight stuff coming back from zendlex() */

Zend/zend_highlight.h

@@ -39,7 +39,7 @@ typedef struct _zend_syntax_highlighter_ini {
 
 
 BEGIN_EXTERN_C()
-ZEND_API void zend_highlight(zend_syntax_highlighter_ini *syntax_highlighter_ini_ptr);
+ZEND_API void zend_highlight(const zend_syntax_highlighter_ini *syntax_highlighter_ini_ptr);
 ZEND_API void zend_strip(void);
 ZEND_API zend_result highlight_file(const char *filename, zend_syntax_highlighter_ini *syntax_highlighter_ini);
 ZEND_API void highlight_string(zend_string *str, zend_syntax_highlighter_ini *syntax_highlighter_ini, const char *str_name);

main/main.c

@@ -107,7 +107,7 @@ PHPAPI unsigned int php_version_id(void)
 	return PHP_VERSION_ID;
 }
 
-PHPAPI char *php_get_version(sapi_module_struct *sapi_module_ptr)
+PHPAPI char *php_get_version(const sapi_module_struct *sapi_module_ptr)
 {
 	char *version_info;
 	spprintf(&version_info, 0, "PHP %s (%s) (built: %s %s) (%s)\nCopyright (c) The PHP Group\n%s%s",
@@ -141,7 +141,7 @@ PHPAPI char *php_get_version(sapi_module_struct *sapi_module_ptr)
 	return version_info;
 }
 
-PHPAPI void php_print_version(sapi_module_struct *sapi_module_ptr)
+PHPAPI void php_print_version(const sapi_module_struct *sapi_module_ptr)
 {
 	char *version_info = php_get_version(sapi_module_ptr);
 	php_printf("%s", version_info);

main/php_main.h

@@ -39,8 +39,8 @@ PHPAPI unsigned int php_version_id(void);
 /* Prints the PHP version string for the -v option. It's in main/ so that
  * it can be shared between SAPIs.
  */
-PHPAPI char *php_get_version(sapi_module_struct *sapi_module_ptr);
-PHPAPI void php_print_version(sapi_module_struct *sapi_module_ptr);
+PHPAPI char *php_get_version(const sapi_module_struct *sapi_module_ptr);
+PHPAPI void php_print_version(const sapi_module_struct *sapi_module_ptr);
 
 PHPAPI zend_result php_request_startup(void);
 PHPAPI void php_request_shutdown(void *dummy);