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 (file)
--- 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");
        }