include/internal/utmp.h

   1 /* vi: set sw=4 ts=4: */
   2 /*
   3  * internal helper for utmp and utmpx handling
   4  *
   5  * Copyright (C) 2015 by Bernhard Reutner-Fischer
   6  *
   7  * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
   8  */
   9 #ifndef __INTERNAL_UTMP_H
  10 #define __INTERNAL_UTMP_H
  11
  12 #include <utmpx.h>
  13 #include <utmp.h>
  14
  15 /* Note: _PATH_UTMPX == _PATH_UTMP */
  16
  17 #if (defined __UCLIBC_HAS_UTMPX__ && defined __UCLIBC_HAS_UTMP__) \
  18         || !defined __UCLIBC_HAS_UTMP__
  19 /* implement the X and alias the non-X */
  20 # define __set_unlocked __setutxent_unlocked
  21 # define set setutxent
  22 # define __get_unlocked __getutxent_unlocked
  23 # define get getutxent
  24 # define end endutxent
  25 # define __getid_unlocked __getutxid_unlocked
  26 # define getid getutxid
  27 # define getline getutxline
  28 # define putline pututxline
  29 # define name utmpxname
  30 # define updw updwtmpx
  31 # define UT utmpx
  32 # ifndef __DEFAULT_PATH_UTMP
  33 #  define __DEFAULT_PATH_UTMP _PATH_UTMPX
  34 # endif
  35 # if defined __UCLIBC_HAS_UTMP__
  36 #  define other(n,a) strong_alias_untyped(n,a)
  37 # else
  38 #  define other(n,a) /* nothing */
  39 # endif
  40 #elif defined __UCLIBC_HAS_UTMP__
  41 # define __set_unlocked __setutent_unlocked
  42 # define set setutent
  43 # define __get_unlocked __getutent_unlocked
  44 # define get getutent
  45 # define end endutent
  46 # define __getid_unlocked __getutid_unlocked
  47 # define getid getutid
  48 # define getline getutline
  49 # define putline pututline
  50 # define name utmpname
  51 # define updw updwtmp
  52 # define UT utmp
  53 # ifndef __DEFAULT_PATH_UTMP
  54 #  define __DEFAULT_PATH_UTMP _PATH_UTMP
  55 # endif
  56 # define other(n,a) /* nothing */
  57 #else
  58 #error You are supposed to either have UTMP or UTMPX or both here
  59 #endif
  60
  61 /* not used in libc_hidden_proto(setutxent) */
  62 /* not used in libc_hidden_proto(endutxent) */
  63 /* not used in libc_hidden_proto(getutxent) */
  64 /* not used in libc_hidden_proto(getutxid) */
  65 /* not used in libc_hidden_proto(getutxline) */
  66 /* not used in libc_hidden_proto(pututxline) */
  67 /* not used in libc_hidden_proto(utmpxname) */
  68 /* not used in libc_hidden_proto(updwtmpx) */
  69
  70 /* not used in libc_hidden_proto(setutent) */
  71 /* not used in libc_hidden_proto(endutent) */
  72 /* not used in libc_hidden_proto(getutent) */
  73 /* not used in libc_hidden_proto(getutid) */
  74 /* not used in libc_hidden_proto(getutline) */
  75 /* not used in libc_hidden_proto(pututline) */
  76 /* not used in libc_hidden_proto(utmpname) */
  77 /* not used in libc_hidden_proto(updwtmp) */
  78
  79 #ifdef IS_IN_libutil
  80 # if (defined __UCLIBC_HAS_UTMPX__ && defined __UCLIBC_HAS_UTMP__) \
  81         || !defined __UCLIBC_HAS_UTMP__
  82         /* monkey-patch to use the POSIX interface */
  83 #  define setutent setutxent
  84 #  define getutline getutxline
  85 #  define pututline pututxline
  86 #  define endutent endutxent
  87 #  define updwtmp updwtmpx
  88 # endif
  89 #endif /* IS_IN_libutil */
  90
  91 #endif /* __INTERNAL_UTMP_H */
  92