Small patch for ssh_askpass()

[Shun-ichi GOTO]

Hi, 
There is small bug in ssh_askpass().
Fix like this.
Additionally removing '\r' is for Win32 environment.


--- readpass.c	2001/10/09 05:42:49	1.1.1.1
+++ readpass.c	2001/10/09 08:06:38
@@ -45,7 +45,7 @@
 {
 	pid_t pid;
 	size_t len;
-	char *nl, *pass;
+	char *pass;
 	int p[2], status;
 	char buf[1024];
 
@@ -71,16 +71,15 @@
 		fatal("ssh_askpass: exec(%s): %s", askpass, strerror(errno));
 	}
 	close(p[1]);
-	len = read(p[0], buf, sizeof buf);
+	len = read(p[0], buf, sizeof buf -1);
 	close(p[0]);
 	while (waitpid(pid, &status, 0) < 0)
 		if (errno != EINTR)
 			break;
 	if (len <= 1)
 		return xstrdup("");
-	nl = strchr(buf, '\n');
-	if (nl)
-		*nl = '\0';
+	buf[len] = '\0';
+	buf[strcspn(buf, "\r\n")] = '\0';
 	pass = xstrdup(buf);
 	memset(buf, 0, sizeof(buf));
 	return pass;

--- Regards,
 Shun-ichi Goto  <gotoh at taiyo.co.jp>
   R&D Group, TAIYO Corp., Tokyo, JAPAN