Implemented realpath().

@ Added realpath() function. (Andrei)

TODO

@@ -49,7 +49,6 @@ ext/standard
 ------------
     * strpad() (Andrei)
     * stri_replace() (Andrei)
-    * realpath() (Andrei)
     * socket_get_status (Andrei)
     * comparing arrays semantically (like Python) (Andrei)
     * NOT binary safe:

ext/standard/file.c

@@ -86,6 +86,8 @@ extern int fclose();
 #define MAP_FAILED ((void *) -1)
 #endif
 
+#include "php_realpath.h"
+
 /* }}} */
 /* {{{ ZTS-stuff / Globals / Prototypes */
 
@@ -243,6 +245,7 @@ function_entry file_functions[] = {
 #if HAVE_SYS_TIME_H
 	PHP_FE(set_socket_timeout,	NULL)
 #endif
+	PHP_FE(realpath,			NULL)
 #if 0 /* needs to be rethought 991221 thies@digicol.de */
 	PHP_FE(fd_set, NULL)
 	PHP_FE(fd_isset, NULL)
@@ -1687,6 +1690,26 @@ PHP_FUNCTION(fgetcsv) {
 
 /* }}} */
 
+/* {{{ proto string realpath(string path)
+   Returns the resolved path */
+PHP_FUNCTION(realpath)
+{
+	zval **path;
+	char resolved_path[MAXPATHLEN];
+
+	if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &path) == FAILURE) {
+		WRONG_PARAM_COUNT;
+	}
+
+	convert_to_string_ex(path);
+	if (php_realpath((*path)->value.str.val, resolved_path)) {
+		RETURN_STRING(resolved_path, 1);
+	} else {
+		RETURN_FALSE;
+	}
+}
+/* }}} */
+
 #if 0
 
 static fd_set readfd;

ext/standard/file.h

@@ -71,6 +71,7 @@ PHP_FUNCTION(flock);
 PHP_FUNCTION(fd_set);
 PHP_FUNCTION(fd_isset);
 PHP_FUNCTION(select);
+PHP_FUNCTION(realpath);
 
 PHPAPI int php_set_sock_blocking(int socketd, int block);
 PHPAPI int php_file_le_fopen(void);