From: Eli Zaretskii <eliz@gnu.org>
Date: Fri, 1 Jul 2022 13:17:40 +0000 (+0300)
Subject: Fix quoting of file names in 'ctags'
X-Git-Tag: emacs-29.0.90~1447^2~1298
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=8a098f6517157ebe2364f08008b44ab49c2d1115;p=emacs.git

Fix quoting of file names in 'ctags'

* lib-src/etags.c (main) [WINDOWSNT || MSDOS]: Quote file names
according to the rules of the system shells.
---

diff --git a/lib-src/etags.c b/lib-src/etags.c
index 9a60714ecab..ef112579264 100644
--- a/lib-src/etags.c
+++ b/lib-src/etags.c
@@ -1431,6 +1431,16 @@ main (int argc, char **argv)
 	   setenv ("LC_COLLATE", "C", 1);
 	   setenv ("LC_ALL", "C", 1); */
 	char *cmd = xmalloc (8 * strlen (tagfile) + sizeof "sort -u -o '' ''");
+#if defined WINDOWSNT || defined MSDOS
+	/* Quote "like this".  No need to escape the quotes in the file name,
+	   since it is not allowed in file names on these systems.  */
+	char *z = stpcpy (cmd, "sort -u -o \"");
+	z = stpcpy (z, tagfile);
+	z = stpcpy (z, "\" \"");
+	z = stpcpy (z, tagfile);
+	stpcpy (z, "\"");
+#else
+	/* Quote 'like this', and escape the apostrophe in the file name.  */
 	char *z = stpcpy (cmd, "sort -u -o '");
 	char *escaped_tagfile = z;
 	for (; *tagfile; *z++ = *tagfile++)
@@ -1440,6 +1450,7 @@ main (int argc, char **argv)
 	z = stpcpy (z, "' '");
 	z = mempcpy (z, escaped_tagfile, escaped_tagfile_len);
 	strcpy (z, "'");
+#endif
 	return system (cmd);
       }
   return EXIT_SUCCESS;