From ed43806c3b3394ea4ee94c5c9ab042d0aa51f033 Mon Sep 17 00:00:00 2001
From: Eric Andersen <andersen@codepoet.org>
Date: Fri, 12 Mar 2004 22:10:40 +0000
Subject: [PATCH] Hideki IWAMOTO writes:

Current `tr' implementation has a problem, if `plain char' is signed.

[current cvs version]

>echo a | _install/usr/bin/tr '\0' '\377'
Segmentation fault (core dumped)

[patched version]

>echo a | _install/usr/bin/tr '\0' '\377'
a
---
 coreutils/tr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/coreutils/tr.c b/coreutils/tr.c
index 4e69dc89c..958fc80b8 100644
--- a/coreutils/tr.c
+++ b/coreutils/tr.c
@@ -202,9 +202,9 @@ extern int tr_main(int argc, char **argv)
 			map(input, input_length, output, output_length);
 		}
 		for (i = 0; i < input_length; i++)
-			invec[(int)input[i]] = TRUE;
+			invec[(unsigned char)input[i]] = TRUE;
 		for (i = 0; i < output_length; i++)
-			outvec[(int)output[i]] = TRUE;
+			outvec[(unsigned char)output[i]] = TRUE;
 	}
 	convert();
 	return (0);