cast argument to tolower to unsigned char

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@14498 ec53bebd-3082-4978-b11e-865c3cabbd6b
2005-01-08 23:05:07 +00:00
parent 039d507d89
commit 7d377c3e98
1 changed files with 1 additions and 1 deletions
--- a/lib/otp/otp_parse.c
+++ b/lib/otp/otp_parse.c
@@ -169,7 +169,7 @@ otp_parse_hex (OtpKey key, const char *s)
      if (b - buf >= 16)
 	return -1;
      else
-	*b++ = tolower(*s);
+	*b++ = tolower((unsigned char)*s);
    }
    s++;
  }