projects / thirdparty / util-linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 310f6728 KZ |
1 | /* |
| 2 | * Copyright (C) 2008-2013 Karel Zak <kzak@redhat.com> | |
| 3 | * | |
| 4 | * This file may be redistributed under the terms of the | |
| 5 | * GNU Lesser General Public License. | |
| 6 | */ | |
| 7 | ||
| 8 | /** | |
| 9 | * SECTION: init | |
| 10 | * @title: Library initialization | |
| 9e930041 | 11 | * @short_description: initialize debugging |
| 310f6728 KZ |
12 | */ |
| 13 | ||
| 14 | #include <stdarg.h> | |
| 15 | ||
| 16 | #include "blkidP.h" | |
| 17 | ||
| ed640286 | 18 | UL_DEBUG_DEFINE_MASK(libblkid); |
| 819d9a29 | 19 | UL_DEBUG_DEFINE_MASKNAMES(libblkid) = |
| 03e4220d | 20 | { |
| b7da851e KZ |
21 | { "all", BLKID_DEBUG_ALL, "info about all subsystems" }, |
| 22 | { "cache", BLKID_DEBUG_CACHE, "blkid tags cache" }, | |
| 23 | { "config", BLKID_DEBUG_CONFIG, "config file utils" }, | |
| 24 | { "dev", BLKID_DEBUG_DEV, "device utils" }, | |
| 25 | { "devname", BLKID_DEBUG_DEVNAME, "/proc/partitions evaluation" }, | |
| 9e930041 | 26 | { "devno", BLKID_DEBUG_DEVNO, "conversions to device name" }, |
| b7da851e KZ |
27 | { "evaluate", BLKID_DEBUG_EVALUATE, "tags resolving" }, |
| 28 | { "help", BLKID_DEBUG_HELP, "this help" }, | |
| 29 | { "lowprobe", BLKID_DEBUG_LOWPROBE, "superblock/raids/partitions probing" }, | |
| a674a0ab | 30 | { "buffer", BLKID_DEBUG_BUFFER, "low-probing buffers" }, |
| b7da851e KZ |
31 | { "probe", BLKID_DEBUG_PROBE, "devices verification" }, |
| 32 | { "read", BLKID_DEBUG_READ, "cache parsing" }, | |
| 33 | { "save", BLKID_DEBUG_SAVE, "cache writing" }, | |
| 34 | { "tag", BLKID_DEBUG_TAG, "tags utils" }, | |
| 35 | { NULL, 0, NULL } | |
| 14ad2353 OO |
36 | }; |
| 37 | ||
| 310f6728 KZ |
38 | /** |
| 39 | * blkid_init_debug: | |
| 9e930041 | 40 | * @mask: debug mask (0xffff to enable full debugging) |
| 310f6728 KZ |
41 | * |
| 42 | * If the @mask is not specified then this function reads | |
| 43 | * LIBBLKID_DEBUG environment variable to get the mask. | |
| 44 | * | |
| 45 | * Already initialized debugging stuff cannot be changed. It does not | |
| 46 | * have effect to call this function twice. | |
| 47 | */ | |
| 48 | void blkid_init_debug(int mask) | |
| 49 | { | |
| b7da851e KZ |
50 | if (libblkid_debug_mask) |
| 51 | return; | |
| 52 | ||
| a15dca2f | 53 | __UL_INIT_DEBUG_FROM_ENV(libblkid, BLKID_DEBUG_, mask, LIBBLKID_DEBUG); |
| 310f6728 | 54 | |
| b7da851e KZ |
55 | if (libblkid_debug_mask != BLKID_DEBUG_INIT |
| 56 | && libblkid_debug_mask != (BLKID_DEBUG_HELP|BLKID_DEBUG_INIT)) { | |
| 310f6728 KZ |
57 | const char *ver = NULL; |
| 58 | const char *date = NULL; | |
| 59 | ||
| 310f6728 | 60 | blkid_get_library_version(&ver, &date); |
| b7da851e | 61 | DBG(INIT, ul_debug("library debug mask: 0x%04x", libblkid_debug_mask)); |
| c62a6311 | 62 | DBG(INIT, ul_debug("library version: %s [%s]", ver, date)); |
| b7da851e | 63 | |
| 310f6728 | 64 | } |
| b7da851e KZ |
65 | ON_DBG(HELP, ul_debug_print_masks("LIBBLKID_DEBUG", |
| 66 | UL_DEBUG_MASKNAMES(libblkid))); | |
| 310f6728 | 67 | } |