aboutsummaryrefslogtreecommitdiffstats
path: root/camel/camel-debug.c
diff options
context:
space:
mode:
Diffstat (limited to 'camel/camel-debug.c')
-rw-r--r--camel/camel-debug.c115
1 files changed, 115 insertions, 0 deletions
diff --git a/camel/camel-debug.c b/camel/camel-debug.c
new file mode 100644
index 0000000000..7c16c9a614
--- /dev/null
+++ b/camel/camel-debug.c
@@ -0,0 +1,115 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- *
+ *
+ * Author: Michael Zucchi <notzed@ximian.com>
+ *
+ * Copyright 2004 Novell Inc. (www.novell.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "camel-debug.h"
+
+int camel_verbose_debug;
+
+static GHashTable *debug_table = NULL;
+
+/**
+ * camel_debug_init:
+ * @void:
+ *
+ * Init camel debug. Maintain legacy CAMEL_VERBOSE_DEBUG as well as the
+ * new CAMEL_DEBUG based environment variable interfaces.
+ *
+ * CAMEL_VERBOSE_DEBUG is set to a number to turn debug on.
+ *
+ * CAMEL_DEBUG is set to a comma separated list of modules to debug.
+ * The modules can contain module-specific specifiers after a ':', or
+ * just act as a wildcard for the module or even specifier. e.g. 'imap'
+ * for imap debug, or 'imap:folder' for imap folder debug. Additionaly,
+ * ':folder' can be used for a wildcard for any folder operations.
+ **/
+void camel_debug_init(void)
+{
+ char *d;
+
+ d = getenv("CAMEL_VERBOSE_DEBUG");
+ if (d)
+ camel_verbose_debug = atoi(d);
+
+ d = g_strdup(getenv("CAMEL_DEBUG"));
+ if (d) {
+ char *p;
+
+ debug_table = g_hash_table_new(g_str_hash, g_str_equal);
+ p = d;
+ while (*p) {
+ while (*p && *p != ',')
+ p++;
+ if (*p)
+ *p++ = 0;
+ g_hash_table_insert(debug_table, d, d);
+ d = p;
+ }
+
+ if (g_hash_table_lookup(debug_table, "all"))
+ camel_verbose_debug = 1;
+ }
+}
+
+/**
+ * camel_debug:
+ * @mode:
+ *
+ * Check to see if a debug mode is activated. @mode takes one of two forms,
+ * a fully qualified 'module:target', or a wildcard 'module' name. It
+ * returns a boolean to indicate if the module or module and target is
+ * currently activated for debug output.
+ *
+ * Return value:
+ **/
+gboolean camel_debug(const char *mode)
+{
+ if (camel_verbose_debug)
+ return TRUE;
+
+ if (debug_table) {
+ char *colon;
+ char *fallback;
+
+ if (g_hash_table_lookup(debug_table, mode))
+ return TRUE;
+
+ /* Check for fully qualified debug */
+ colon = strchr(mode, ':');
+ if (colon) {
+ fallback = g_alloca(strlen(mode)+1);
+ strcpy(fallback, mode);
+ colon = (colon-mode) + fallback;
+ /* Now check 'module[:*]' */
+ *colon = 0;
+ if (g_hash_table_lookup(debug_table, fallback))
+ return TRUE;
+ /* Now check ':subsystem' */
+ *colon = ':';
+ if (g_hash_table_lookup(debug_table, colon))
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}