libfdisk/src/init.c

   1
   2 #include "fdiskP.h"
   3
   4
   5 /**
   6  * SECTION: init
   7  * @title: Library initialization
   8  * @short_description: initialize debug stuff
   9  *
  10  */
  11
  12 UL_DEBUG_DEFINE_MASK(libfdisk);
  13 UL_DEBUG_DEFINE_MASKNAMES(libfdisk) =
  14 {
  15         { "all",        LIBFDISK_DEBUG_ALL,     "info about all subsystems" },
  16         { "ask",        LIBFDISK_DEBUG_ASK,     "fdisk dialogs" },
  17         { "help",       LIBFDISK_DEBUG_HELP,    "this help" },
  18         { "cxt",        LIBFDISK_DEBUG_CXT,     "library context (handler)" },
  19         { "label",      LIBFDISK_DEBUG_LABEL,   "disk label utils" },
  20         { "part",       LIBFDISK_DEBUG_PART,    "partition utils" },
  21         { "parttype",   LIBFDISK_DEBUG_PARTTYPE,"partition type utils" },
  22         { "script",     LIBFDISK_DEBUG_SCRIPT,  "sfdisk-like scripts" },
  23         { "tab",        LIBFDISK_DEBUG_TAB,     "table utils"},
  24         { "wipe",       LIBFDISK_DEBUG_WIPE,    "wipe area utils" },
  25         { "item",       LIBFDISK_DEBUG_WIPE,    "disklabel items" },
  26         { NULL, 0 }
  27 };
  28
  29 /**
  30  * fdisk_init_debug:
  31  * @mask: debug mask (0xffff to enable full debugging)
  32  *
  33  * If the @mask is not specified then this function reads
  34  * LIBFDISK_DEBUG environment variable to get the mask.
  35  *
  36  * Already initialized debugging stuff cannot be changed. It does not
  37  * have effect to call this function twice.
  38  *
  39  * It's strongly recommended to use fdisk_init_debug(0) in your code.
  40  */
  41 void fdisk_init_debug(int mask)
  42 {
  43         if (libfdisk_debug_mask)
  44                 return;
  45
  46         __UL_INIT_DEBUG_FROM_ENV(libfdisk, LIBFDISK_DEBUG_, mask, LIBFDISK_DEBUG);
  47
  48
  49         if (libfdisk_debug_mask != LIBFDISK_DEBUG_INIT
  50             && libfdisk_debug_mask != (LIBFDISK_DEBUG_HELP|LIBFDISK_DEBUG_INIT)) {
  51                 const char *ver = NULL;
  52
  53                 fdisk_get_library_version(&ver);
  54
  55                 DBG(INIT, ul_debug("library debug mask: 0x%04x", libfdisk_debug_mask));
  56                 DBG(INIT, ul_debug("library version: %s", ver));
  57         }
  58
  59         ON_DBG(HELP, ul_debug_print_masks("LIBFDISK_DEBUG",
  60                                 UL_DEBUG_MASKNAMES(libfdisk)));
  61 }