From: markus schnalke <meillo@marmaro.de>
Date: Tue, 10 Apr 2012 22:05:26 +0000 (+0200)
Subject: Scanning an empty mbox file is no error.
X-Git-Tag: mmh-thesis-end~106
X-Git-Url: http://git.marmaro.de/?a=commitdiff_plain;h=d50bc5836dcb94dc6b92e7953c7d0cf62469ee52;p=mmh

Scanning an empty mbox file is no error.
Of course there won't be a delimiter, but mail drop files are frequently
empty, though existing.
This solution is more of a hack, but it works. Improvements welcome!
---

diff --git a/sbr/m_getfld.c b/sbr/m_getfld.c
index c7f4279..5bd6bbb 100644
--- a/sbr/m_getfld.c
+++ b/sbr/m_getfld.c
@@ -575,11 +575,16 @@ void
 thisisanmbox(FILE *iob)
 {
 	register int c;
-	register long pos;
 	char text[10];
 	register char *cp;
 	register char *delimstr;
 
+	c = getc(iob); 
+	if (feof(iob)) {
+		return;
+	}
+	ungetc(c, iob);
+
 	/*
 	** Figure out what the message delimitter string is for this
 	** maildrop.  (This used to be part of m_Eom but I didn't like
@@ -592,7 +597,6 @@ thisisanmbox(FILE *iob)
 	** abort.
 	*/
 
-	pos = ftell(iob);
 	if (fread(text, sizeof(*text), 5, iob) != 5) {
 		adios(NULL, "Read error");
 	}