wez Sat Sep 28 09:05:48 2002 EDT
Modified files:
/php4/main php_streams.h streams.c user_streams.c
Log:
Allow user streams/wrappers to implement fstat(), opendir() and stat().
Index: php4/main/php_streams.h
diff -u php4/main/php_streams.h:1.49 php4/main/php_streams.h:1.50
--- php4/main/php_streams.h:1.49 Thu Sep 26 06:14:41 2002
+++ php4/main/php_streams.h Sat Sep 28 09:05:47 2002
@@ -514,7 +514,9 @@
/* for user-space streams */
PHPAPI extern php_stream_ops php_stream_userspace_ops;
+PHPAPI extern php_stream_ops php_stream_userspace_dir_ops;
#define PHP_STREAM_IS_USERSPACE &php_stream_userspace_ops
+#define PHP_STREAM_IS_USERSPACE_DIR &php_stream_userspace_dir_ops
PHPAPI void php_stream_context_free(php_stream_context *context);
PHPAPI php_stream_context *php_stream_context_alloc(void);
Index: php4/main/streams.c
diff -u php4/main/streams.c:1.84 php4/main/streams.c:1.85
--- php4/main/streams.c:1.84 Thu Sep 26 12:22:28 2002
+++ php4/main/streams.c Sat Sep 28 09:05:47 2002
@@ -20,7 +20,7 @@
+----------------------------------------------------------------------+
*/
-/* $Id: streams.c,v 1.84 2002/09/26 16:22:28 wez Exp $ */
+/* $Id: streams.c,v 1.85 2002/09/28 13:05:47 wez Exp $ */
#define _GNU_SOURCE
#include "php.h"
@@ -133,6 +133,72 @@
return PHP_STREAM_PERSISTENT_NOT_EXIST;
}
+static void display_wrapper_errors(php_stream_wrapper *wrapper, const char *path,
+const char *caption TSRMLS_DC)
+{
+ char *tmp = estrdup(path);
+ char *msg;
+ int free_msg = 0;
+
+ if (wrapper) {
+ if (wrapper->err_count > 0) {
+ int i;
+ size_t l;
+ int brlen;
+ char *br;
+
+ if (PG(html_errors)) {
+ brlen = 7;
+ br = "<br />\n";
+ } else {
+ brlen = 1;
+ br = "\n";
+ }
+
+ for (i = 0, l = 0; i < wrapper->err_count; i++) {
+ l += strlen(wrapper->err_stack[i]);
+ if (i < wrapper->err_count - 1)
+ l += brlen;
+ }
+ msg = emalloc(l + 1);
+ msg[0] = '\0';
+ for (i = 0; i < wrapper->err_count; i++) {
+ strcat(msg, wrapper->err_stack[i]);
+ if (i < wrapper->err_count - 1)
+ strcat(msg, br);
+ }
+
+ free_msg = 1;
+ } else {
+ msg = strerror(errno);
+ }
+ } else {
+ msg = "no suitable wrapper could be found";
+ }
+
+ php_strip_url_passwd(tmp);
+ php_error_docref1(NULL TSRMLS_CC, tmp, E_WARNING, "%s: %s", caption, msg);
+ efree(tmp);
+ if (free_msg)
+ efree(msg);
+}
+
+static void tidy_wrapper_error_log(php_stream_wrapper *wrapper TSRMLS_DC)
+{
+ if (wrapper) {
+ /* tidy up the error stack */
+ int i;
+
+ for (i = 0; i < wrapper->err_count; i++)
+ efree(wrapper->err_stack[i]);
+ if (wrapper->err_stack)
+ efree(wrapper->err_stack);
+ wrapper->err_stack = NULL;
+ wrapper->err_count = 0;
+ }
+}
+
+
+
/* allocate a new stream for a particular ops */
PHPAPI php_stream *_php_stream_alloc(php_stream_ops *ops, void *abstract, const char
*persistent_id, const char *mode STREAMS_DC TSRMLS_DC) /* {{{ */
{
@@ -1858,28 +1924,21 @@
if (wrapper && wrapper->wops->dir_opener) {
stream = wrapper->wops->dir_opener(wrapper,
- path_to_open, "r", options, NULL,
+ path_to_open, "r", options ^ REPORT_ERRORS, NULL,
context STREAMS_REL_CC TSRMLS_CC);
if (stream) {
stream->wrapper = wrapper;
stream->flags |= PHP_STREAM_FLAG_NO_BUFFER;
}
+ } else if (wrapper) {
+ php_stream_wrapper_log_error(wrapper, options ^ REPORT_ERRORS
+TSRMLS_CC, "not implemented");
}
-
if (stream == NULL && (options & REPORT_ERRORS)) {
- char *tmp = estrdup(path);
- char *msg;
-
- if (wrapper)
- msg = strerror(errno);
- else
- msg = "no suitable wrapper could be found";
-
- php_strip_url_passwd(tmp);
- php_error_docref1(NULL TSRMLS_CC, tmp, E_WARNING, "%s", msg);
- efree(tmp);
+ display_wrapper_errors(wrapper, path, "failed to open dir" TSRMLS_CC);
}
+ tidy_wrapper_error_log(wrapper TSRMLS_CC);
+
return stream;
}
/* }}} */
@@ -1983,63 +2042,9 @@
}
}
if (stream == NULL && (options & REPORT_ERRORS)) {
- char *tmp = estrdup(path);
- char *msg;
- int free_msg = 0;
-
- if (wrapper) {
- if (wrapper->err_count > 0) {
- int i;
- size_t l;
- int brlen;
- char *br;
-
- if (PG(html_errors)) {
- brlen = 7;
- br = "<br />\n";
- } else {
- brlen = 1;
- br = "\n";
- }
-
- for (i = 0, l = 0; i < wrapper->err_count; i++) {
- l += strlen(wrapper->err_stack[i]);
- if (i < wrapper->err_count - 1)
- l += brlen;
- }
- msg = emalloc(l + 1);
- msg[0] = '\0';
- for (i = 0; i < wrapper->err_count; i++) {
- strcat(msg, wrapper->err_stack[i]);
- if (i < wrapper->err_count - 1)
- strcat(msg, br);
- }
-
- free_msg = 1;
- } else {
- msg = strerror(errno);
- }
- } else {
- msg = "no suitable wrapper could be found";
- }
-
- php_strip_url_passwd(tmp);
- php_error_docref1(NULL TSRMLS_CC, tmp, E_WARNING, "failed to create
stream: %s", msg);
- efree(tmp);
- if (free_msg)
- efree(msg);
- }
- if (wrapper) {
- /* tidy up the error stack */
- int i;
-
- for (i = 0; i < wrapper->err_count; i++)
- efree(wrapper->err_stack[i]);
- if (wrapper->err_stack)
- efree(wrapper->err_stack);
- wrapper->err_stack = NULL;
- wrapper->err_count = 0;
+ display_wrapper_errors(wrapper, path, "failed to create stream"
+TSRMLS_CC);
}
+ tidy_wrapper_error_log(wrapper TSRMLS_CC);
#if ZEND_DEBUG
if (stream == NULL && copy_of_path != NULL)
efree(copy_of_path);
Index: php4/main/user_streams.c
diff -u php4/main/user_streams.c:1.23 php4/main/user_streams.c:1.24
--- php4/main/user_streams.c:1.23 Thu Sep 26 08:12:27 2002
+++ php4/main/user_streams.c Sat Sep 28 09:05:47 2002
@@ -17,7 +17,7 @@
+----------------------------------------------------------------------+
*/
-/* $Id: user_streams.c,v 1.23 2002/09/26 12:12:27 wez Exp $ */
+/* $Id: user_streams.c,v 1.24 2002/09/28 13:05:47 wez Exp $ */
#include "php.h"
#include "php_globals.h"
@@ -33,12 +33,17 @@
};
static php_stream *user_wrapper_opener(php_stream_wrapper *wrapper, char *filename,
char *mode, int options, char **opened_path, php_stream_context *context STREAMS_DC
TSRMLS_DC);
+static int user_wrapper_stat_url(php_stream_wrapper *wrapper, char *url,
+php_stream_statbuf *ssb TSRMLS_DC);
+static php_stream *user_wrapper_opendir(php_stream_wrapper *wrapper, char *filename,
+char *mode,
+ int options, char **opened_path, php_stream_context *context
+STREAMS_DC TSRMLS_DC);
static php_stream_wrapper_ops user_stream_wops = {
user_wrapper_opener,
- NULL,
- NULL,
- NULL
+ NULL, /* close - the streams themselves know how */
+ NULL, /* stat - the streams themselves know how */
+ user_wrapper_stat_url,
+ user_wrapper_opendir,
+ "user-space"
};
@@ -83,8 +88,14 @@
#define USERSTREAM_SEEK "stream_seek"
#define USERSTREAM_TELL "stream_tell"
#define USERSTREAM_EOF "stream_eof"
+#define USERSTREAM_STAT "stream_stat"
+#define USERSTREAM_STATURL "url_stat"
+#define USERSTREAM_DIR_OPEN "dir_opendir"
+#define USERSTREAM_DIR_READ "dir_readdir"
+#define USERSTREAM_DIR_REWIND "dir_rewinddir"
+#define USERSTREAM_DIR_CLOSE "dir_closedir"
-/* class should have methods like these:
+/* {{{ class should have methods like these:
function stream_open($path, $mode, $options, &$opened_path)
{
@@ -126,8 +137,38 @@
{
return true/false;
}
+
+ function stream_stat()
+ {
+ return array( just like that returned by fstat() );
+ }
+
+ function url_stat(string $url)
+ {
+ return array( just like that returned by stat() );
+ }
+
+ function dir_opendir(string $url, int $options)
+ {
+ return true / false;
+ }
+
+ function dir_readdir()
+ {
+ return string next filename in dir ;
+ }
+
+ function dir_closedir()
+ {
+ release dir related resources;
+ }
+
+ function dir_rewinddir()
+ {
+ reset to start of dir list;
+ }
- **/
+ }}} **/
static php_stream *user_wrapper_opener(php_stream_wrapper *wrapper, char *filename,
char *mode, int options, char **opened_path, php_stream_context *context STREAMS_DC
TSRMLS_DC)
{
@@ -138,7 +179,7 @@
int call_result;
php_stream *stream = NULL;
- /* Try to catch bad usage without prevent flexibility */
+ /* Try to catch bad usage without preventing flexibility */
if (FG(user_stream_current_filename) != NULL && strcmp(filename,
FG(user_stream_current_filename)) == 0) {
php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "infinite
recursion prevented");
return NULL;
@@ -219,6 +260,81 @@
return stream;
}
+static php_stream *user_wrapper_opendir(php_stream_wrapper *wrapper, char *filename,
+char *mode,
+ int options, char **opened_path, php_stream_context *context
+STREAMS_DC TSRMLS_DC)
+{
+ struct php_user_stream_wrapper *uwrap = (struct
+php_user_stream_wrapper*)wrapper->abstract;
+ php_userstream_data_t *us;
+ zval *zfilename, *zoptions, *zretval = NULL, *zfuncname;
+ zval **args[2];
+ int call_result;
+ php_stream *stream = NULL;
+
+ /* Try to catch bad usage without preventing flexibility */
+ if (FG(user_stream_current_filename) != NULL && strcmp(filename,
+FG(user_stream_current_filename)) == 0) {
+ php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "infinite
+recursion prevented");
+ return NULL;
+ }
+ FG(user_stream_current_filename) = filename;
+
+ us = emalloc(sizeof(*us));
+ us->wrapper = uwrap;
+
+ /* create an instance of our class */
+ ALLOC_ZVAL(us->object);
+ object_init_ex(us->object, uwrap->ce);
+ ZVAL_REFCOUNT(us->object) = 1;
+ PZVAL_IS_REF(us->object) = 1;
+
+ /* call it's dir_open method - set up params first */
+ MAKE_STD_ZVAL(zfilename);
+ ZVAL_STRING(zfilename, filename, 1);
+ args[0] = &zfilename;
+
+ MAKE_STD_ZVAL(zoptions);
+ ZVAL_LONG(zoptions, options);
+ args[1] = &zoptions;
+
+ MAKE_STD_ZVAL(zfuncname);
+ ZVAL_STRING(zfuncname, USERSTREAM_DIR_OPEN, 1);
+
+ call_result = call_user_function_ex(NULL,
+ &us->object,
+ zfuncname,
+ &zretval,
+ 2, args,
+ 0, NULL TSRMLS_CC);
+
+ if (call_result == SUCCESS && zretval != NULL && zval_is_true(zretval)) {
+ /* the stream is now open! */
+ stream = php_stream_alloc_rel(&php_stream_userspace_dir_ops, us, 0,
+mode);
+
+ /* set wrapper data to be a reference to our object */
+ stream->wrapperdata = us->object;
+ zval_add_ref(&stream->wrapperdata);
+ } else {
+ php_stream_wrapper_log_error(wrapper, options TSRMLS_CC, "\"%s::"
+USERSTREAM_DIR_OPEN "\" call failed",
+ us->wrapper->classname);
+ }
+
+ /* destroy everything else */
+ if (stream == NULL) {
+ zval_ptr_dtor(&us->object);
+ efree(us);
+ }
+ if (zretval)
+ zval_ptr_dtor(&zretval);
+
+ zval_ptr_dtor(&zfuncname);
+ zval_ptr_dtor(&zoptions);
+ zval_ptr_dtor(&zfilename);
+
+ FG(user_stream_current_filename) = NULL;
+
+ return stream;
+}
+
+
/* {{{ proto bool file_register_wrapper(string protocol, string classname)
Registers a custom URL protocol handler class */
PHP_FUNCTION(file_register_wrapper)
@@ -286,16 +402,16 @@
didwrite = 0;
if (call_result == SUCCESS && retval != NULL) {
- convert_to_long_ex(&retval);
+ convert_to_long(retval);
didwrite = Z_LVAL_P(retval);
} else if (call_result == FAILURE) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s::" USERSTREAM_WRITE "
- is not implemented!",
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s::" USERSTREAM_WRITE "
+is not implemented!",
us->wrapper->classname);
}
/* don't allow strange buffer overruns due to bogus return */
if (didwrite > count) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s::" USERSTREAM_WRITE "
- wrote %d bytes more data than requested (%d written, %d max)",
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s::" USERSTREAM_WRITE "
+wrote %d bytes more data than requested (%d written, %d max)",
us->wrapper->classname,
didwrite - count, didwrite, count);
didwrite = count;
@@ -331,7 +447,7 @@
didread = 0;
else {
if (call_result == FAILURE) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s::"
USERSTREAM_EOF " - is not implemented! Assuming EOF",
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s::"
+USERSTREAM_EOF " is not implemented! Assuming EOF",
us->wrapper->classname);
}
@@ -355,7 +471,7 @@
0, NULL TSRMLS_CC);
if (call_result == SUCCESS && retval != NULL) {
- convert_to_string_ex(&retval);
+ convert_to_string(retval);
didread = Z_STRLEN_P(retval);
if (didread > count) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s::"
USERSTREAM_READ " - read %d bytes more data than requested (%d read, %d max) - excess
data will be lost",
@@ -365,7 +481,7 @@
if (didread > 0)
memcpy(buf, Z_STRVAL_P(retval), didread);
} else if (call_result == FAILURE) {
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s::"
USERSTREAM_READ " - is not implemented!",
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s::"
+USERSTREAM_READ " is not implemented!",
us->wrapper->classname);
}
zval_ptr_dtor(&zcount);
@@ -488,7 +604,7 @@
if (call_result == SUCCESS && retval != NULL && Z_TYPE_P(retval) == IS_LONG)
*newoffs = Z_LVAL_P(retval);
else
- php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s::" USERSTREAM_TELL " -
is not implemented!",
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s::" USERSTREAM_TELL "
+is not implemented!",
us->wrapper->classname);
if (retval)
@@ -497,11 +613,228 @@
return 0;
}
+
+/* parse the return value from one of the stat functions and store the
+ * relevant fields into the statbuf provided */
+static int statbuf_from_array(zval *array, php_stream_statbuf *ssb TSRMLS_DC)
+{
+ zval *elem;
+
+#define STAT_PROP_ENTRY(name) \
+ if (SUCCESS == zend_hash_find(Z_ARRVAL_P(array), #name, sizeof(#name),
+(void**)&elem)) { \
+ convert_to_long(elem);
+ \
+ ssb->sb.st_##name = Z_LVAL_P(elem);
+ \
+ }
+
+ STAT_PROP_ENTRY(dev);
+ STAT_PROP_ENTRY(ino);
+ STAT_PROP_ENTRY(mode);
+ STAT_PROP_ENTRY(nlink);
+ STAT_PROP_ENTRY(uid);
+ STAT_PROP_ENTRY(gid);
+#if HAVE_ST_RDEV
+ STAT_PROP_ENTRY(rdev);
+#endif
+ STAT_PROP_ENTRY(size);
+ STAT_PROP_ENTRY(atime);
+ STAT_PROP_ENTRY(mtime);
+ STAT_PROP_ENTRY(ctime);
+#ifdef HAVE_ST_BLKSIZE
+ STAT_PROP_ENTRY(blksize);
+#endif
+#ifdef HAVE_ST_BLOCKS
+ STAT_PROP_ENTRY(blocks);
+#endif
+
+#undef STAT_PROP_ENTRY
+ return SUCCESS;
+}
+
+static int php_userstreamop_stat(php_stream *stream, php_stream_statbuf *ssb
+TSRMLS_DC)
+{
+ zval func_name;
+ zval *retval = NULL;
+ int call_result;
+ php_userstream_data_t *us = (php_userstream_data_t *)stream->abstract;
+ int ret = -1;
+
+ ZVAL_STRINGL(&func_name, USERSTREAM_STAT, sizeof(USERSTREAM_STAT)-1, 0);
+
+ call_result = call_user_function_ex(NULL,
+ &us->object,
+ &func_name,
+ &retval,
+ 0, NULL, 0, NULL TSRMLS_CC);
+
+ if (call_result == SUCCESS && retval != NULL && Z_TYPE_P(retval) == IS_ARRAY) {
+ if (SUCCESS == statbuf_from_array(retval, ssb TSRMLS_CC))
+ ret = 0;
+ } else {
+ if (call_result == FAILURE) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s::"
+USERSTREAM_STAT " is not implemented!",
+ us->wrapper->classname);
+ }
+ }
+ return ret;
+}
+
+static int user_wrapper_stat_url(php_stream_wrapper *wrapper, char *url,
+php_stream_statbuf *ssb TSRMLS_DC)
+{
+ struct php_user_stream_wrapper *uwrap = (struct
+php_user_stream_wrapper*)wrapper->abstract;
+ zval *zfilename, *zfuncname, *zretval;
+ zval **args[1];
+ int call_result;
+ zval *object;
+ int ret = -1;
+
+ /* create an instance of our class */
+ ALLOC_ZVAL(object);
+ object_init_ex(object, uwrap->ce);
+ ZVAL_REFCOUNT(object) = 1;
+ PZVAL_IS_REF(object) = 1;
+
+ /* call the stat_url method */
+
+ /* call it's stream_open method - set up params first */
+ MAKE_STD_ZVAL(zfilename);
+ ZVAL_STRING(zfilename, url, 1);
+ args[0] = &zfilename;
+
+ MAKE_STD_ZVAL(zfuncname);
+ ZVAL_STRING(zfuncname, USERSTREAM_STATURL, 1);
+
+ call_result = call_user_function_ex(NULL,
+ &object,
+ zfuncname,
+ &zretval,
+ 1, args,
+ 0, NULL TSRMLS_CC);
+
+ if (call_result == SUCCESS && zretval != NULL && Z_TYPE_P(zretval) ==
+IS_ARRAY) {
+ /* We got the info we needed */
+ if (SUCCESS == statbuf_from_array(zretval, ssb TSRMLS_CC))
+ ret = 0;
+ } else {
+ if (call_result == FAILURE) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s::"
+USERSTREAM_STATURL " is not implemented!",
+ uwrap->classname);
+ }
+ }
+
+ /* clean up */
+ zval_ptr_dtor(&object);
+ if (zretval)
+ zval_ptr_dtor(&zretval);
+
+ zval_ptr_dtor(&zfuncname);
+ zval_ptr_dtor(&zfilename);
+
+ return ret;
+
+}
+
+static size_t php_userstreamop_readdir(php_stream *stream, char *buf, size_t count
+TSRMLS_DC)
+{
+ zval func_name;
+ zval *retval = NULL;
+ int call_result;
+ size_t didread = 0;
+ php_userstream_data_t *us = (php_userstream_data_t *)stream->abstract;
+ php_stream_dirent *ent = (php_stream_dirent*)buf;
+
+ /* avoid problems if someone mis-uses the stream */
+ if (count != sizeof(php_stream_dirent))
+ return 0;
+
+ ZVAL_STRINGL(&func_name, USERSTREAM_DIR_READ, sizeof(USERSTREAM_DIR_READ)-1,
+0);
+
+ call_result = call_user_function_ex(NULL,
+ &us->object,
+ &func_name,
+ &retval,
+ 0, NULL,
+ 0, NULL TSRMLS_CC);
+
+ if (call_result == SUCCESS && retval != NULL && Z_TYPE_P(retval) != IS_BOOL) {
+ convert_to_string(retval);
+ PHP_STRLCPY(ent->d_name, Z_STRVAL_P(retval), sizeof(ent->d_name),
+Z_STRLEN_P(retval));
+
+ didread = sizeof(php_stream_dirent);
+ } else if (call_result == FAILURE) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s::" USERSTREAM_DIR_READ
+" is not implemented!",
+ us->wrapper->classname);
+ }
+
+ if (retval)
+ zval_ptr_dtor(&retval);
+
+ return didread;
+}
+
+static int php_userstreamop_closedir(php_stream *stream, int close_handle TSRMLS_DC)
+{
+ zval func_name;
+ zval *retval = NULL;
+ php_userstream_data_t *us = (php_userstream_data_t *)stream->abstract;
+
+ assert(us != NULL);
+
+ ZVAL_STRINGL(&func_name, USERSTREAM_DIR_CLOSE, sizeof(USERSTREAM_DIR_CLOSE)-1,
+0);
+
+ call_user_function_ex(NULL,
+ &us->object,
+ &func_name,
+ &retval,
+ 0, NULL, 0, NULL TSRMLS_CC);
+
+ if (retval)
+ zval_ptr_dtor(&retval);
+
+ zval_ptr_dtor(&us->object);
+
+ efree(us);
+
+ return 0;
+}
+
+static int php_userstreamop_rewinddir(php_stream *stream, off_t offset, int whence,
+off_t *newoffs TSRMLS_DC)
+{
+ zval func_name;
+ zval *retval = NULL;
+ php_userstream_data_t *us = (php_userstream_data_t *)stream->abstract;
+
+ ZVAL_STRINGL(&func_name, USERSTREAM_DIR_REWIND,
+sizeof(USERSTREAM_DIR_REWIND)-1, 0);
+
+ call_user_function_ex(NULL,
+ &us->object,
+ &func_name,
+ &retval,
+ 0, NULL, 0, NULL TSRMLS_CC);
+
+ if (retval)
+ zval_ptr_dtor(&retval);
+
+ return 0;
+
+}
+
php_stream_ops php_stream_userspace_ops = {
php_userstreamop_write, php_userstreamop_read,
php_userstreamop_close, php_userstreamop_flush,
"user-space",
php_userstreamop_seek,
+ NULL, /* cast */
+ php_userstreamop_stat, /* stat */
+ NULL /* set_option */
+};
+
+php_stream_ops php_stream_userspace_dir_ops = {
+ NULL, /* write */
+ php_userstreamop_readdir,
+ php_userstreamop_closedir,
+ NULL, /* flush */
+ "user-space-dir",
+ php_userstreamop_rewinddir,
NULL, /* cast */
NULL, /* stat */
NULL /* set_option */
--
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