From: Ralph Ronnquist <ralph.ronnquist@gmail.com>
Date: Sat, 13 Nov 2021 00:18:25 +0000 (+1100)
Subject: avoid reconfirming the root paths
X-Git-Url: https://git.rrq.au/?a=commitdiff_plain;h=10f81048b040f61d76f476300a485dd55b22cbe8;p=rrq%2Ffuse_xattrs.git

avoid reconfirming the root paths
---

diff --git a/binary_storage.c b/binary_storage.c
index 3e41441..e8eaba4 100644
--- a/binary_storage.c
+++ b/binary_storage.c
@@ -20,6 +20,7 @@
 #include "utils.h"
 #include "fuse_xattrs_config.h"
 #include "stringmem.h"
+#include "xattrs_config.h"
 
 #include <sys/xattr.h>
 
@@ -231,11 +232,22 @@ int __write_to_file(FILE *file, const char *name, const char *value, const size_
     return 0;
 }
 
+// Ensure existence of tail path from either source_dir or sidecar_dir
 static int ensure_dirs(char *path) {
     int n = strlen( path );
     char *p = stralloc( n+1 );
     memcpy( p, path, n+1 );
     char *e = p + 1;
+    if ( strncmp( path, xattrs_config.source_dir,
+		  xattrs_config.source_dir_size ) == 0 ) {
+	e += xattrs_config.source_dir_size;
+    } else if ( strncmp( path, xattrs_config.sidecar_dir,
+			 xattrs_config.sidecar_dir_size ) == 0 ) {
+	e += xattrs_config.sidecar_dir_size;
+    }
+    if ( e - p >= n ) {
+	return 0;
+    }
     for ( ;; ) {
 	while ( *e && *e != '/' ) e++;
 	if ( *e ) {