Sync with most of NetBSD's changes, including:

 *) Sync with 4.4BSD-Lite2
 *) Set usecs for utimes()
 *) Add 'inc' command and 'autoinc' option that check for new mail
    manually and automatically, respectively
 *) Use POSIX signal handling and tty semantics
 *) Handle long lines correctly when paging messages
 *) Add ability to explicitly search 'To:' line
 *) Various manpage cleanups
 *) Support overriding '~/.mailrc' with $MAILRC
 *) Support 'askbcc' and 'asksub' options
 *) Fix various bugs

Reviewed by:	ru (mail.1)
Obtained from:	NetBSD

1 files changed, 48 insertions, 2 deletions

diff --git a/usr.bin/mail/list.c b/usr.bin/mail/list.c
index 04b1586..1dbc587 100644
--- a/usr.bin/mail/list.c
+++ b/usr.bin/mail/list.c
@@ -33,7 +33,7 @@
 
 #ifndef lint
 #if 0
-static char sccsid[] = "@(#)list.c	8.2 (Berkeley) 4/19/94";
+static char sccsid[] = "@(#)list.c	8.4 (Berkeley) 5/1/95";
 #endif
 static const char rcsid[] =
   "$FreeBSD$";
@@ -687,6 +687,49 @@ matchsender(str, mesg)
 }
 
 /*
+ * See if the passed name received the passed message number.  Return true
+ * if so.
+ */
+
+static char *to_fields[] = { "to", "cc", "bcc", NULL };
+
+int
+matchto(str, mesg)
+	char *str;
+	int mesg;
+{
+	struct message *mp;
+	char *cp, *cp2, *backup, **to;
+
+	str++;
+
+	/* null string matches nothing instead of everything */
+	if (*str == '\0')
+		return (0);
+
+	mp = &message[mesg - 1];
+
+	for (to = to_fields; *to != NULL; to++) {
+		cp = str;
+		cp2 = hfield(*to, mp);
+		if (cp2 != NULL) {
+			backup = cp2;
+			while (*cp2 != '\0') {
+				if (*cp == '\0')
+					return (1);
+				if (toupper(*cp++) != toupper(*cp2++)) {
+					cp2 = ++backup;
+					cp = str;
+				}
+			}
+			if (*cp == '\0')
+				return (1);
+		}
+	}
+	return (0);
+}
+
+/*
  * See if the given string matches inside the subject field of the
  * given message.  For the purpose of the scan, we ignore case differences.
  * If it does, return true.  The string search argument is assumed to
@@ -715,8 +758,11 @@ matchsubj(str, mesg)
 	 */
 
 	if (value("searchheaders") && (cp = strchr(str, ':')) != NULL) {
+		/* Check for special case "/To:" */
+		if (strncasecmp(str, "To:", 3) == 0)
+			return (matchto(cp, mesg));
 		*cp++ = '\0';
-		cp2 = hfield(str, mp);
+		cp2 = hfield(*str != '\0' ? str : "subject", mp);
 		cp[-1] = ':';
 		str = cp;
 	} else {