$NetBSD: patch-ag,v 1.1 2008/02/18 18:22:18 jlam Exp $

--- lib/openpam_readline.c.orig	2007-12-21 06:36:24.000000000 -0500
+++ lib/openpam_readline.c
@@ -57,7 +57,7 @@ openpam_readline(FILE *f, int *lineno, s
 	size_t len, size;
 	int ch;
 
-	if ((line = malloc(MIN_LINE_LENGTH)) == NULL)
+	if ((line = malloc((size_t)MIN_LINE_LENGTH)) == NULL)
 		return (NULL);
 	size = MIN_LINE_LENGTH;
 	len = 0;
@@ -84,7 +84,7 @@ openpam_readline(FILE *f, int *lineno, s
 		/* eof */
 		if (ch == EOF) {
 			/* remove trailing whitespace */
-			while (len > 0 && isspace((int)line[len - 1]))
+			while (len > 0 && isspace((unsigned char)line[len - 1]))
 				--len;
 			line[len] = '\0';
 			if (len == 0)
@@ -97,7 +97,7 @@ openpam_readline(FILE *f, int *lineno, s
 				++*lineno;
 
 			/* remove trailing whitespace */
-			while (len > 0 && isspace((int)line[len - 1]))
+			while (len > 0 && isspace((unsigned char)line[len - 1]))
 				--len;
 			line[len] = '\0';
 			/* skip blank lines */