From 305e509e67c7adb71219d7d518dededf72163ac6 Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Mon, 25 Jun 2007 15:33:27 +0200
Subject: [PATCH] Folded headers are now unfolded.

---
 cm.c | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/cm.c b/cm.c
index f04618b..3a4630e 100644
--- a/cm.c
+++ b/cm.c
@@ -296,6 +296,13 @@ mb_get(void)
   return (mb_cc < mb_end) ? *mb_cc++ : mb_ll_get();
 }
 
+static void
+mb_unget(int c)
+{
+  if (c >= 0)
+    mb_cc--;
+}
+
 static int
 mb_check(const char *p, int len)
 {
@@ -389,7 +396,19 @@ scan_mbox(struct mbox *b, struct stat *st)
 		  goto done;
 		}
 	      if (c == '\n')
-		break;
+		{
+		  int fold = -1;
+		  do
+		    {
+		      fold++;
+		      c = mb_get();
+		    }
+		  while (c == ' ' || c == '\t');
+		  mb_unget(c);
+		  if (!fold)
+		    break;
+		  c = ' ';
+		}
 	      if (c == '\r')
 		continue;
 	      if (i < sizeof(buf) - 1)
-- 
2.39.2