From 7e6d1d1c47196bf1bb5254f5c9014e25bdaf9833 Mon Sep 17 00:00:00 2001
From: Eli Zaretskii <eliz@gnu.org>
Date: Tue, 6 Dec 2022 18:13:41 +0200
Subject: [PATCH] ; Fix last change in etags.c.

---
 lib-src/etags.c | 47 +++++++++++++++++++++++++++++------------------
 1 file changed, 29 insertions(+), 18 deletions(-)

diff --git a/lib-src/etags.c b/lib-src/etags.c
index ba0092cc637..9091257a203 100644
--- a/lib-src/etags.c
+++ b/lib-src/etags.c
@@ -401,7 +401,9 @@ static void invalidate_nodes (fdesc *, node **);
 static void put_entries (node *);
 static void cleanup_tags_file (char const * const, char const * const);
 
+#if !defined (MSDOS) && !defined (DOS_NT)
 static char *escape_shell_arg_string (char *);
+#endif
 static void do_move_file (const char *, const char *);
 static char *concat (const char *, const char *, const char *);
 static char *skip_spaces (char *);
@@ -1714,15 +1716,22 @@ process_file_name (char *file, language *lang)
       else
 	{
 #if MSDOS || defined (DOS_NT)
-          int buf_len = strlen (compr->command) + strlen (" \"\" > \"\"") + strlen (real_name) + strlen (tmp_name) + 1;
-          char *cmd = xmalloc (buf_len);
-          snprintf (cmd, buf_len, "%s \"%s\" > \"%s\"", compr->command, real_name, tmp_name);
+	  int buf_len =
+	    strlen (compr->command)
+	    + strlen (" \"\" > \"\"") + strlen (real_name)
+	    + strlen (tmp_name) + 1;
+	  char *cmd = xmalloc (buf_len);
+	  snprintf (cmd, buf_len, "%s \"%s\" > \"%s\"",
+		    compr->command, real_name, tmp_name);
 #else
-          char *new_real_name = escape_shell_arg_string (real_name);
-          char *new_tmp_name = escape_shell_arg_string (tmp_name);
-          int buf_len = strlen (compr->command) + strlen ("  > ") + strlen (new_real_name) + strlen (new_tmp_name) + 1;
-          char *cmd = xmalloc (buf_len);
-          snprintf (cmd, buf_len, "%s %s > %s", compr->command, new_real_name, new_tmp_name);
+	  char *new_real_name = escape_shell_arg_string (real_name);
+	  char *new_tmp_name = escape_shell_arg_string (tmp_name);
+	  int buf_len =
+	    strlen (compr->command) + strlen ("  > ") + strlen (new_real_name)
+	    + strlen (new_tmp_name) + 1;
+	  char *cmd = xmalloc (buf_len);
+	  snprintf (cmd, buf_len, "%s %s > %s",
+		    compr->command, new_real_name, new_tmp_name);
 #endif
 	  inf = (system (cmd) == -1
 		 ? NULL
@@ -7711,6 +7720,7 @@ etags_mktmp (void)
   return templt;
 }
 
+#if !defined (MSDOS) && !defined (DOS_NT)
 /*
  * Adds single quotes around a string, if found single quotes, escaped it.
  * Return a newly-allocated string.
@@ -7723,14 +7733,14 @@ static char *
 escape_shell_arg_string (char *str)
 {
   char *p = str;
-  int need_space = 2;           /* ' at begin and end */
+  int need_space = 2;		/* ' at begin and end */
 
   while (*p != '\0')
     {
       if (*p == '\'')
-        need_space += 4;        /* ' to '\'', length is 4 */
+	need_space += 4;	/* ' to '\'', length is 4 */
       else
-        need_space++;
+	need_space++;
 
       p++;
     }
@@ -7739,18 +7749,18 @@ escape_shell_arg_string (char *str)
   new_str[0] = '\'';
   new_str[need_space-1] = '\'';
 
-  int i = 1;                    /* skip first byte */
+  int i = 1;			/* skip first byte */
   p = str;
   while (*p != '\0')
     {
       new_str[i] = *p;
       if (*p == '\'')
-        {
-          new_str[i+1] = '\\';
-          new_str[i+2] = '\'';
-          new_str[i+3] = '\'';
-          i += 3;
-        }
+	{
+	  new_str[i+1] = '\\';
+	  new_str[i+2] = '\'';
+	  new_str[i+3] = '\'';
+	  i += 3;
+	}
 
       i++;
       p++;
@@ -7759,6 +7769,7 @@ escape_shell_arg_string (char *str)
   new_str[need_space] = '\0';
   return new_str;
 }
+#endif
 
 static void
 do_move_file(const char *src_file, const char *dst_file)
-- 
2.39.2