From 6c20c8ed2cb9ab69a1a57ccb2b9b79969a808321 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:38:56 +0200 Subject: Adding upstream version 5.2.15. Signed-off-by: Daniel Baumann --- lib/sh/rename.c | 76 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 lib/sh/rename.c (limited to 'lib/sh/rename.c') diff --git a/lib/sh/rename.c b/lib/sh/rename.c new file mode 100644 index 0000000..e410b5e --- /dev/null +++ b/lib/sh/rename.c @@ -0,0 +1,76 @@ +/* + * rename - rename a file + */ + +/* Copyright (C) 1999 Free Software Foundation, Inc. + + This file is part of GNU Bash, the Bourne Again SHell. + + Bash is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + Bash is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with Bash. If not, see . +*/ + +#include + +#if !defined (HAVE_RENAME) + +#include +#include + +#if defined (HAVE_UNISTD_H) +# include +#endif +#include + +#include + +#ifndef errno +extern int errno; +#endif + +int +rename (from, to) + const char *from, *to; +{ + struct stat fb, tb; + + if (stat (from, &fb) < 0) + return -1; + + if (stat (to, &tb) < 0) + { + if (errno != ENOENT) + return -1; + } + else + { + if (fb.st_dev == tb.st_dev && fb.st_ino == tb.st_ino) + return 0; /* same file */ + if (unlink (to) < 0 && errno != ENOENT) + return -1; + } + + if (link (from, to) < 0) + return (-1); + + if (unlink (from) < 0 && errno != ENOENT) + { + int e = errno; + unlink (to); + errno = e; + return (-1); + } + + return (0); +} +#endif /* !HAVE_RENAME */ -- cgit v1.2.3