include/internal/utmp.h

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