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

diff --git a/src/ChangeLog b/src/ChangeLog
index 9b0ff3e7339f46e82fb632ed703a1d4619624105..9196367d195003edef7df4dfe6a6c779de6210d3 100644 (file)
--- 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 89a7d322966079fe0029b55e4399d88f7d89b29a..48e0936510b6eb7d77a18f4bb69d3afac20ec18d 100644 (file)
--- 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++;