coreutils/gnulib-simple-backup-fix.patch

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commit 7347caeb9d902d3fca2c11f69a55a3e578d93bfe
Author: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed Apr 20 19:34:57 2022 -0700
backupfile: fix bug when renaming simple backups
* lib/backupfile.c (backupfile_internal): Fix bug when RENAME
and when doing simple backups. Problem reported by Steve Ward in:
https://bugs.gnu.org/55029
diff --git a/lib/backupfile.c b/lib/backupfile.c
index 1e9290a187..d9f465a3e0 100644
--- a/lib/backupfile.c
+++ b/lib/backupfile.c
@@ -332,7 +332,7 @@ backupfile_internal (int dir_fd, char const *file,
return s;
DIR *dirp = NULL;
- int sdir = AT_FDCWD;
+ int sdir = dir_fd;
idx_t base_max = 0;
while (true)
{
@@ -371,10 +371,9 @@ backupfile_internal (int dir_fd, char const *file,
if (! rename)
break;
- int olddirfd = sdir < 0 ? dir_fd : sdir;
- idx_t offset = sdir < 0 ? 0 : base_offset;
+ idx_t offset = backup_type == simple_backups ? 0 : base_offset;
unsigned flags = backup_type == simple_backups ? 0 : RENAME_NOREPLACE;
- if (renameatu (olddirfd, file + offset, sdir, s + offset, flags) == 0)
+ if (renameatu (sdir, file + offset, sdir, s + offset, flags) == 0)
break;
int e = errno;
if (! (e == EEXIST && extended))