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/* -*- 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;
}
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