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/*
* Copyright (C) 2008-2013 Karel Zak <kzak@redhat.com>
*
* This file may be redistributed under the terms of the
* GNU Lesser General Public License.
*/
/**
* SECTION: init
* @title: Library initialization
* @short_description: initialize debuging
*/
#include <stdarg.h>
#include "blkidP.h"
UL_DEBUG_DEFINE_MASK(libblkid);
UL_DEBUG_DEFINE_MASKNAMES(libblkid) =
{
{ "all", BLKID_DEBUG_ALL, "info about all subsystems" },
{ "cache", BLKID_DEBUG_CACHE, "blkid tags cache" },
{ "config", BLKID_DEBUG_CONFIG, "config file utils" },
{ "dev", BLKID_DEBUG_DEV, "device utils" },
{ "devname", BLKID_DEBUG_DEVNAME, "/proc/partitions evaluation" },
{ "devno", BLKID_DEBUG_DEVNO, "convertions to device name" },
{ "evaluate", BLKID_DEBUG_EVALUATE, "tags resolving" },
{ "help", BLKID_DEBUG_HELP, "this help" },
{ "lowprobe", BLKID_DEBUG_LOWPROBE, "superblock/raids/partitions probing" },
{ "probe", BLKID_DEBUG_PROBE, "devices verification" },
{ "read", BLKID_DEBUG_READ, "cache parsing" },
{ "save", BLKID_DEBUG_SAVE, "cache writing" },
{ "tag", BLKID_DEBUG_TAG, "tags utils" },
{ NULL, 0, NULL }
};
/**
* blkid_init_debug:
* @mask: debug mask (0xffff to enable full debuging)
*
* If the @mask is not specified then this function reads
* LIBBLKID_DEBUG environment variable to get the mask.
*
* Already initialized debugging stuff cannot be changed. It does not
* have effect to call this function twice.
*/
void blkid_init_debug(int mask)
{
if (libblkid_debug_mask)
return;
__UL_INIT_DEBUG(libblkid, BLKID_DEBUG_, mask, LIBBLKID_DEBUG);
if (libblkid_debug_mask != BLKID_DEBUG_INIT
&& libblkid_debug_mask != (BLKID_DEBUG_HELP|BLKID_DEBUG_INIT)) {
const char *ver = NULL;
const char *date = NULL;
blkid_get_library_version(&ver, &date);
DBG(INIT, ul_debug("library debug mask: 0x%04x", libblkid_debug_mask));
DBG(INIT, ul_debug("library version: %s [%s]", ver, date));
}
ON_DBG(HELP, ul_debug_print_masks("LIBBLKID_DEBUG",
UL_DEBUG_MASKNAMES(libblkid)));
}
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