From: Eli Zaretskii <eliz@gnu.org>
Date: Sat, 16 Sep 2017 19:17:55 +0000 (+0300)
Subject: Fix compilation warning in etags.c
X-Git-Tag: emacs-26.0.90~159
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=c3df816585;p=emacs.git

Fix compilation warning in etags.c

* lib-src/etags.c (etags_mktmp) [DOS_NT]: Don't dereference a NULL
pointer.  Reported by Richard Copley <rcopley@gmail.com>.
---

diff --git a/lib-src/etags.c b/lib-src/etags.c
index 4000f47a414..009cba528d7 100644
--- a/lib-src/etags.c
+++ b/lib-src/etags.c
@@ -7068,14 +7068,16 @@ etags_mktmp (void)
       errno = temp_errno;
       templt = NULL;
     }
-
 #if defined (DOS_NT)
-  /* The file name will be used in shell redirection, so it needs to have
-     DOS-style backslashes, or else the Windows shell will barf.  */
-  char *p;
-  for (p = templt; *p; p++)
-    if (*p == '/')
-      *p = '\\';
+  else
+    {
+      /* The file name will be used in shell redirection, so it needs to have
+	 DOS-style backslashes, or else the Windows shell will barf.  */
+      char *p;
+      for (p = templt; *p; p++)
+	if (*p == '/')
+	  *p = '\\';
+    }
 #endif
 
   return templt;