- Support virtual unlink()

ext/db/db.c

@@ -399,7 +399,7 @@ dbm_info *php_dbm_open(char *filename, char *mode) {
 
 #if NFS_HACK
 		if (lockfn) {
-			unlink(lockfn);
+			V_UNLINK(lockfn);
 		}
 #endif
 		if (lockfn) efree(lockfn);
@@ -434,7 +434,7 @@ int php_dbm_close(dbm_info *info) {
 	dbf = info->dbf;
 
 #if NFS_HACK
-	unlink(info->lockfn);
+	V_UNLINK(info->lockfn);
 #else
 	if (info->lockfn) {
 		lockfd = V_OPEN((info->lockfn,O_RDWR,0644));

ext/session/mod_files.c

@@ -178,7 +178,7 @@ static int _ps_files_cleanup_dir(const char *dirname, int maxlifetime)
 				V_STAT(buf, &sbuf) == 0 &&
 				/* is it expired? */
 				(now - sbuf.st_atime) > maxlifetime) {
-			unlink(buf);
+			V_UNLINK(buf);
 			nrdels++;
 		}
 	}
@@ -276,7 +276,7 @@ PS_DESTROY_FUNC(files)
 	if (!_ps_files_path_create(buf, sizeof(buf), data, key))
 		return FAILURE;
 	
-	unlink(buf);
+	V_UNLINK(buf);
 
 	return SUCCESS;
 }

ext/standard/file.c

@@ -231,7 +231,7 @@ static void _file_socket_dtor(int *sock)
 
 static void _file_upload_dtor(char *file)
 {
-	unlink(file);
+	V_UNLINK(file);
 }
 
 

ext/standard/link.c

@@ -181,7 +181,7 @@ PHP_FUNCTION(unlink)
 		RETURN_FALSE;
 	}
 
-	ret = unlink((*filename)->value.str.val);
+	ret = V_UNLINK((*filename)->value.str.val);
 	if (ret == -1) {
 		php_error(E_WARNING, "Unlink failed (%s)", strerror(errno));
 		RETURN_FALSE;

main/php.h

@@ -308,6 +308,7 @@ PHPAPI int cfg_get_string(char *varname, char **result);
 #else
 #define V_LSTAT(path, buff) virtual_lstat(path, buff)
 #endif
+#define V_UNLINK(path) virtual_unlink(path)
 #else
 #define V_GETCWD(buff, size) getcwd(buff,size)
 #define V_FOPEN(path, mode)  fopen(path, mode)
@@ -318,6 +319,7 @@ PHPAPI int cfg_get_string(char *varname, char **result);
 #define V_GETWD(buf) getwd(buf)
 #define V_STAT(path, buff) stat(path, buff)
 #define V_LSTAT(path, buff) lstat(path, buff)
+#define V_UNLINK(path) unlink(path)
 #endif
 
 #include "zend_constants.h"

main/php_virtual_cwd.c

@@ -471,6 +471,21 @@ CWD_API int virtual_lstat(const char *path, struct stat *buf)
 
 #endif
 
+CWD_API int virtual_unlink(const char *path)
+{
+	cwd_state new_state;
+	int retval;
+	CWDLS_FETCH();
+
+	CWD_STATE_COPY(&new_state, &CWDG(cwd));
+
+	virtual_file_ex(&new_state, path, NULL);
+
+	retval = unlink(new_state.cwd);
+	CWD_STATE_FREE(&new_state);
+	return retval;
+}
+
 #if 0
 
 main(void)

main/php_virtual_cwd.h

@@ -48,6 +48,8 @@ CWD_API int virtual_stat(const char *path, struct stat *buf);
 #ifndef ZEND_WIN32
 CWD_API int virtual_lstat(const char *path, struct stat *buf);
 #endif
+CWD_API int virtual_unlink(const char *path);
+
 CWD_API int virtual_file_ex(cwd_state *state, const char *path, verify_path_func verify_path);
 
 ZEND_BEGIN_MODULE_GLOBALS(cwd)