From 85135221f08d2e2d54269c8b8fc4325833c2fe9d Mon Sep 17 00:00:00 2001
From: Nicholas Marriott <nicholas.marriott@gmail.com>
Date: Thu, 19 Jun 2008 21:20:27 +0000
Subject: [PATCH] Handle commented lines.

---
 cfg.c                | 16 +++++-----------
 cmd-command-prompt.c |  4 +++-
 cmd-string.c         | 10 ++++++++--
 3 files changed, 16 insertions(+), 14 deletions(-)

diff --git a/cfg.c b/cfg.c
index 7bb4b488..be55c51d 100644
--- a/cfg.c
+++ b/cfg.c
@@ -1,4 +1,4 @@
-/* $Id: cfg.c,v 1.10 2008-06-19 21:13:56 nicm Exp $ */
+/* $Id: cfg.c,v 1.11 2008-06-19 21:20:24 nicm Exp $ */
 
 /*
  * Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -78,17 +78,11 @@ load_cfg(const char *path, char **cause)
 		}
 		n++;
 
-		/* Trim spaces from start and end. */
-		while (*buf != '\0' && (*buf == ' ' || *buf == '\t'))
-			*buf++ = '\0';
-		len = strlen(buf);
-		while (len > 0 && (buf[len - 1] == ' ' || buf[len - 1] == '\t'))
-			buf[--len] = '\0';
-		if (*buf == '\0')
-			continue;
-
-		if ((cmd = cmd_string_parse(buf, cause)) == NULL)
+		if ((cmd = cmd_string_parse(buf, cause)) == NULL) {
+			if (*cause == NULL)
+				continue;
 			goto error;
+		}
 		cfg_cause = NULL;
 
 		ctx.msgdata = NULL;
diff --git a/cmd-command-prompt.c b/cmd-command-prompt.c
index 96ca7199..2a93d730 100644
--- a/cmd-command-prompt.c
+++ b/cmd-command-prompt.c
@@ -1,4 +1,4 @@
-/* $Id: cmd-command-prompt.c,v 1.1 2008-06-19 20:45:20 nicm Exp $ */
+/* $Id: cmd-command-prompt.c,v 1.2 2008-06-19 21:20:25 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -73,6 +73,8 @@ cmd_command_prompt_callback(void *data, char *s)
 		return;
 
 	if ((cmd = cmd_string_parse(s, &cause)) == NULL) {
+		if (cause == NULL)
+			return;
 		*cause = toupper((u_char) *cause);
 		server_set_client_message(c, cause);
 		xfree(cause);
diff --git a/cmd-string.c b/cmd-string.c
index 33496222..e28cef2d 100644
--- a/cmd-string.c
+++ b/cmd-string.c
@@ -1,4 +1,4 @@
-/* $Id: cmd-string.c,v 1.2 2008-06-19 21:13:56 nicm Exp $ */
+/* $Id: cmd-string.c,v 1.3 2008-06-19 21:20:27 nicm Exp $ */
 
 /*
  * Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -39,6 +39,10 @@ cmd_string_getc(const char *s, size_t *p)
 	return (s[(*p)++]);
 }
 
+/* 
+ * Parse command string. Return command or NULL on error. If returning NULL,
+ * cause is error string, or NULL for empty command.
+ */ 
 struct cmd *
 cmd_string_parse(const char *s, char **cause)
 {
@@ -56,6 +60,8 @@ cmd_string_parse(const char *s, char **cause)
 
 	cmd = NULL;
 
+	*cause = NULL;
+	
 	p = 0;
 	for (;;) {
 		ch = cmd_string_getc(s, &p);
@@ -94,7 +100,7 @@ cmd_string_parse(const char *s, char **cause)
 			if (ch != EOF)
 				break;
 			if (argc == 0)
-				goto error;
+				goto out;
 				
 			cmd = cmd_parse(argc, argv, cause);
 			goto out;