From 807f777abf9b99a378e553cd152f8a4000154c7e Mon Sep 17 00:00:00 2001
From: Simon Schubert <2@0x2c.org>
Date: Sat, 8 Jan 2011 15:30:12 +0100
Subject: [PATCH] readmail: accept mail without newline at the end

---
 mail.c | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/mail.c b/mail.c
index 3c0ab1b..041ebe4 100644
--- a/mail.c
+++ b/mail.c
@@ -341,6 +341,7 @@ readmail(struct queue *queue, int nodot, int recp_from_header)
 	int had_from = 0;
 	int had_messagid = 0;
 	int had_date = 0;
+	int had_last_line = 0;
 	int nocopy = 0;
 
 	parse_state.state = NONE;
@@ -360,12 +361,20 @@ readmail(struct queue *queue, int nodot, int recp_from_header)
 		return (-1);
 
 	while (!feof(stdin)) {
-		if (fgets(line, sizeof(line), stdin) == NULL)
+		if (fgets(line, sizeof(line) - 1, stdin) == NULL)
 			break;
+		if (had_last_line)
+			errlogx(1, "bad mail input format");
 		linelen = strlen(line);
 		if (linelen == 0 || line[linelen - 1] != '\n') {
-			errno = EINVAL;		/* XXX mark permanent errors */
-			return (-1);
+			/*
+			 * This line did not end with a newline character.
+			 * If we fix it, it better be the last line of
+			 * the file.
+			 */
+			line[linelen] = '\n';
+			line[linelen + 1] = 0;
+			had_last_line = 1;
 		}
 		if (!had_headers) {
 			/*
-- 
2.39.2