From 381ed5f6ff9e6fdf318371a48201ef502a98d36c Mon Sep 17 00:00:00 2001
From: "Eric S. Raymond" <esr@thyrsus.com>
Date: Wed, 15 Jan 1997 16:47:58 +0000
Subject: This should be correct.

svn path=/trunk/; revision=767
---
 rfc822.c | 32 +++++++++++++++++---------------
 1 file changed, 17 insertions(+), 15 deletions(-)

(limited to 'rfc822.c')

diff --git a/rfc822.c b/rfc822.c
index f72ccddf..0471a298 100644
--- a/rfc822.c
+++ b/rfc822.c
@@ -40,6 +40,13 @@ const char *host;	/* server hostname */
 	printf("state %d: %s", state, mycopy);
 	printf("%*s^\n", from - mycopy + 10, " ");
 #endif /* TESTMAIN */
+
+#define INSERT_HOSTNAME	\
+		strcpy(buf, "@"); \
+		strcat(buf, host); \
+		buf += strlen(buf); \
+		state = 7;
+
 	switch (state)
 	{
 	case 0:   /* before header colon */
@@ -71,6 +78,7 @@ const char *host;	/* server hostname */
 		--from;
 		continue;
 	    }
+	    break;
 
 	case 3:   /* we're in a quoted human name, copy and ignore */
 	    if (*from == '"')
@@ -91,30 +99,26 @@ const char *host;	/* server hostname */
 		state = 7;
 	    else if (*from == '>')
 	    {
-		strcpy(buf, "@");
-		strcat(buf, host);
-		buf += strlen(buf);
-		state = 7;
+		INSERT_HOSTNAME
 	    }
-
 	    break;
 
 	case 6:   /* not string or comment, could be a bare address */
 	    if (*from == '@')
 		state = 7;
 
+	    else if (*from == '<')
+		state = 5;
+
 	    /* on proper termination with no @, insert hostname */
 	    else if (*from == ',')
 	    {
-		strcpy(buf, "@");
-		strcat(buf, host);
-		buf += strlen(buf);
+		INSERT_HOSTNAME
 		tokencount = 0;
-		state = 1;
 	    }
 
 	    /* If the address token is not properly terminated, ignore it. */
-	    else if (*from == ' ' || *from == '\t')
+	    else if (isspace(*from))
 	    {
 		const char *cp;
 
@@ -127,10 +131,7 @@ const char *host;	/* server hostname */
 		    continue;
 		if (*cp == '(')
 		{
-		    strcpy(buf, "@");
-		    strcat(buf, host);
-		    buf += strlen(buf);
-		    state = 1;
+		    INSERT_HOSTNAME
 		}
 	    }
 
@@ -140,8 +141,8 @@ const char *host;	/* server hostname */
 	case 7:   /* we're done with this address, skip to end */
 	    if (*from == ',')
 	    {
-		tokencount == 0;
 		state = 1;
+		tokencount == 0;
 	    }
 	    break;
 	}
@@ -149,6 +150,7 @@ const char *host;	/* server hostname */
 	/* all characters from the old buffer get copied to the new one */
 	*buf++ = *from;
     }
+#undef INSERT_HOSTNAME
 
     /* back up and nuke the appended comma sentinel */
     *--buf = '\0';
-- 
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