reactos/lib/fslib/vfatlib/check/common.h

   1 /****
   2  ** Platform-dependent file
   3  ****/
   4
   5 /* common.h - Common functions
   6
   7    Copyright (C) 1993 Werner Almesberger <werner.almesberger@lrc.di.epfl.ch>
   8    Copyright (C) 2008-2014 Daniel Baumann <mail@daniel-baumann.ch>
   9
  10    This program is free software: you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation, either version 3 of the License, or
  13    (at your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program. If not, see <http://www.gnu.org/licenses/>.
  22
  23    The complete text of the GNU General Public License
  24    can be found in /usr/share/common-licenses/GPL-3 file.
  25 */
  26
  27 #ifndef _COMMON_H
  28 #define _COMMON_H
  29
  30 DECLSPEC_NORETURN // __attribute((noreturn))
  31 // void die(const char *msg, ...);
  32 void die_func(const char *msg, ...);
  33 #define die(msg, ...)   \
  34 do {                    \
  35     die_func("DIE! (%s:%d) " msg "\n", __RELFILE__, __LINE__, ##__VA_ARGS__)  \
  36 } while (0)
  37
  38 /* Displays a prinf-style message and terminates the program. */
  39
  40 DECLSPEC_NORETURN // __attribute((noreturn))
  41 // void pdie(const char *msg, ...);
  42 void pdie_func(const char *msg, ...);
  43 #define pdie(msg, ...)   \
  44 do {                    \
  45     pdie_func("P-DIE! (%s:%d) " msg "\n", __RELFILE__, __LINE__, ##__VA_ARGS__)  \
  46 } while (0)
  47
  48 /* Like die, but appends an error message according to the state of errno. */
  49
  50 void *vfalloc(size_t size);
  51 void *vfcalloc(size_t size, size_t count);
  52 void vffree(void *ptr);
  53 /* mallocs SIZE bytes and returns a pointer to the data. Terminates the program
  54    if malloc fails. */
  55
  56 void *qalloc(void **root, int size);
  57
  58 /* Like alloc, but registers the data area in a list described by ROOT. */
  59
  60 void qfree(void **root);
  61
  62 /* Deallocates all qalloc'ed data areas described by ROOT. */
  63
  64 //int min(int a,int b);
  65
  66 /* Returns the smaller integer value of a and b. */
  67
  68 char get_key(const char *valid, const char *prompt);
  69
  70 /* Displays PROMPT and waits for user input. Only characters in VALID are
  71    accepted. Terminates the program on EOF. Returns the character. */
  72
  73 #endif