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Reduce number of stat() calls

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This commit is contained in:
Dmitry Stogov 2021-04-02 13:39:12 +03:00
parent c2fc25fdf2
commit f323baa845
3 changed files with 12 additions and 6 deletions
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10
ext/spl/spl_directory.c
View file

@ -1474,13 +1474,15 @@ PHP_METHOD(RecursiveDirectoryIterator, hasChildren)
if (spl_filesystem_object_get_file_name(intern) != SUCCESS) {
RETURN_THROWS();
}
if (!allow_links && !(intern->flags & SPL_FILE_DIR_FOLLOW_SYMLINKS)) {
php_stat(intern->file_name, FS_IS_LINK, return_value);
if (zend_is_true(return_value)) {
php_stat(intern->file_name, FS_LPERMS, return_value);
if (S_ISLNK(Z_LVAL_P(return_value))) {
if (!allow_links
&& !(intern->flags & SPL_FILE_DIR_FOLLOW_SYMLINKS)) {
RETURN_FALSE;
}
php_stat(intern->file_name, FS_PERMS, return_value);
}
php_stat(intern->file_name, FS_IS_DIR, return_value);
RETURN_BOOL(S_ISDIR(Z_LVAL_P(return_value)));
}
}
/* }}} */

7
ext/standard/filestat.c
View file

@ -714,7 +714,7 @@ PHP_FUNCTION(clearstatcache)
}
/* }}} */
#define IS_LINK_OPERATION(__t) ((__t) == FS_TYPE || (__t) == FS_IS_LINK || (__t) == FS_LSTAT)
#define IS_LINK_OPERATION(__t) ((__t) == FS_TYPE || (__t) == FS_IS_LINK || (__t) == FS_LSTAT || (__t) == FS_LPERMS)
#define IS_EXISTS_CHECK(__t) ((__t) == FS_EXISTS || (__t) == FS_IS_W || (__t) == FS_IS_R || (__t) == FS_IS_X || (__t) == FS_IS_FILE || (__t) == FS_IS_DIR || (__t) == FS_IS_LINK)
#define IS_ABLE_CHECK(__t) ((__t) == FS_IS_R || (__t) == FS_IS_W || (__t) == FS_IS_X)
#define IS_ACCESS_CHECK(__t) (IS_ABLE_CHECK(type) || (__t) == FS_EXISTS)
@ -824,7 +824,9 @@ PHPAPI void php_stat(zend_string *filename, int type, zval *return_value)
}
BG(CurrentLStatFile) = zend_string_copy(filename);
memcpy(&BG(lssb), &ssb, sizeof(php_stream_statbuf));
} else {
}
if (!(flags & PHP_STREAM_URL_STAT_LINK)
|| !S_ISLNK(ssb.sb.st_mode)) {
if (BG(CurrentStatFile)) {
zend_string_release(BG(CurrentStatFile));
}
@ -878,6 +880,7 @@ PHPAPI void php_stat(zend_string *filename, int type, zval *return_value)
switch (type) {
case FS_PERMS:
case FS_LPERMS:
RETURN_LONG((zend_long)ssb.sb.st_mode);
case FS_INODE:
RETURN_LONG((zend_long)ssb.sb.st_ino);

1
ext/standard/php_filestat.h
View file

@ -62,5 +62,6 @@ PHPAPI void php_stat(zend_string *filename, int type, zval *return_value);
#define FS_EXISTS 15
#define FS_LSTAT 16
#define FS_STAT 17
#define FS_LPERMS 18
#endif /* PHP_FILESTAT_H */