From: Paul Eggert <eggert@cs.ucla.edu>
Date: Mon, 13 Jun 2011 02:09:34 +0000 (-0700)
Subject: * doc.c (get_doc_string): Omit (unsigned)c that mishandled negatives.
X-Git-Tag: emacs-pretest-24.0.90~104^2~548^2~38
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=684a03ef99ead5f4743f8c612acf7664674224ec;p=emacs.git

* doc.c (get_doc_string): Omit (unsigned)c that mishandled negatives.
---

diff --git a/src/ChangeLog b/src/ChangeLog
index 9b0ff3e7339..9196367d195 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,7 @@
 2011-06-13  Paul Eggert  <eggert@cs.ucla.edu>
 
+	* doc.c (get_doc_string): Omit (unsigned)c that mishandled negatives.
+
 	* data.c (Faset): If ARRAY is a string, check that NEWELT is a char.
 	Without this fix, on a 64-bit host (aset S 0 4294967386) would
 	incorrectly succeed when S was a string, because 4294967386 was
diff --git a/src/doc.c b/src/doc.c
index 89a7d322966..48e0936510b 100644
--- a/src/doc.c
+++ b/src/doc.c
@@ -253,9 +253,12 @@ get_doc_string (Lisp_Object filepos, int unibyte, int definition)
 	  else if (c == '_')
 	    *to++ = 037;
 	  else
-	    error ("\
+	    {
+	      unsigned char uc = c;
+	      error ("\
 Invalid data in documentation file -- %c followed by code %03o",
-		   1, (unsigned)c);
+		     1, uc);
+	    }
 	}
       else
 	*to++ = *from++;