From b40353c91e0a895a442ba43f04909036a3b13ce7 Mon Sep 17 00:00:00 2001
From: Sami Kerola <kerolasa@iki.fi>
Date: Sun, 13 Nov 2011 13:23:17 +0100
Subject: [PATCH] skill: use rpmatch() to yes/no question

The patch also removes fixed size of input, which can be problematic.
I do not know how long the string `yes' might be in all of the worlds
languages.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
---
 configure.ac |  2 ++
 skill.c      | 14 ++++++++------
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/configure.ac b/configure.ac
index b130cea8..1582d0c5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -73,6 +73,7 @@ AC_FUNC_REALLOC
 AC_FUNC_STRTOD
 AC_CHECK_FUNCS([\
 	alarm \
+	getline \
 	getpagesize \
 	gettimeofday \
 	iswprint \
@@ -83,6 +84,7 @@ AC_CHECK_FUNCS([\
 	nl_langinfo \
 	putenv \
 	regcomp \
+	rpmatch \
 	select \
 	setlocale \
 	strcasecmp \
diff --git a/skill.c b/skill.c
index 8e11cde5..2d798272 100644
--- a/skill.c
+++ b/skill.c
@@ -82,15 +82,17 @@ static void hurt_proc(int tty, int uid, int pid, const char *restrict const cmd,
 	char dn_buf[1000];
 	dev_to_tty(dn_buf, 999, tty, pid, ABBREV_DEV);
 	if (run_time->interactive) {
-		char buf[8];
+		char *buf;
+		size_t len = 0;
 		fprintf(stderr, "%-8s %-8s %5d %-16.16s   ? ",
 			(char *)dn_buf, user_from_uid(uid), pid, cmd);
-		if (!fgets(buf, 7, stdin)) {
-			printf("\n");
-			exit(EXIT_FAILURE);
-		}
-		if (*buf != 'y' && *buf != 'Y')
+		fflush (stdout);
+		getline(&buf, &len, stdin);
+		if (rpmatch(buf) < 1) {
+			free(buf);
 			return;
+		}
+		free(buf);
 	}
 	/* do the actual work */
 	errno = 0;