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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:38:31 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:38:31 +0000
commit252601302d45036817546c533743e5918b6b86e8 (patch)
treebfad3f5be123f000fdb03e26400050dece33d72f /lib/stripslash.c
parentInitial commit. (diff)
downloadwget-upstream.tar.xz
wget-upstream.zip
Adding upstream version 1.21.3.upstream/1.21.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/stripslash.c')
-rw-r--r--lib/stripslash.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/lib/stripslash.c b/lib/stripslash.c
new file mode 100644
index 0000000..aee89b7
--- /dev/null
+++ b/lib/stripslash.c
@@ -0,0 +1,45 @@
+/* stripslash.c -- remove redundant trailing slashes from a file name
+
+ Copyright (C) 1990, 2001, 2003-2006, 2009-2022 Free Software Foundation,
+ Inc.
+
+ This file is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ This file 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 Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+#include "dirname.h"
+
+/* Remove trailing slashes from FILE. Return true if a trailing slash
+ was removed. This is useful when using file name completion from a
+ shell that adds a "/" after directory names (such as tcsh and
+ bash), because on symlinks to directories, several system calls
+ have different semantics according to whether a trailing slash is
+ present. */
+
+bool
+strip_trailing_slashes (char *file)
+{
+ char *base = last_component (file);
+ char *base_lim;
+ bool had_slash;
+
+ /* last_component returns "" for file system roots, but we need to turn
+ "///" into "/". */
+ if (! *base)
+ base = file;
+ base_lim = base + base_len (base);
+ had_slash = (*base_lim != '\0');
+ *base_lim = '\0';
+ return had_slash;
+}