diplodocus.org Git - nmh/blob - h/nmh.h

   1
   2 /*
   3  * nmh.h -- system configuration header file
   4  */
   5
   6 #include <config.h>
   7
   8 #include <unistd.h>
   9 #include <stdio.h>
  10 #include <ctype.h>
  11 #include <sys/stat.h>
  12
  13 #if HAVE_DIRENT_H
  14 # include <dirent.h>
  15 # define NLENGTH(dirent) strlen((dirent)->d_name)
  16 #else
  17 # define dirent direct
  18 # define NLENGTH(dirent) (dirent)->d_namlen
  19 # if HAVE_SYS_NDIR_H
  20 #  include <sys/ndir.h>
  21 # endif
  22 # if HAVE_SYS_DIR_H
  23 #  include <sys/dir.h>
  24 # endif
  25 # if HAVE_NDIR_H
  26 #  include <ndir.h>
  27 # endif
  28 #endif
  29
  30 #include <stdlib.h>
  31 #include <stdarg.h>
  32 #include <string.h>
  33
  34 #ifdef HAVE_SYS_PARAM_H
  35 # include <sys/param.h>
  36 #endif
  37
  38 # include <locale.h>
  39 # include <limits.h>
  40
  41 /*
  42  * symbolic constants for lseek and fseek
  43  */
  44 #ifndef SEEK_SET
  45 # define SEEK_SET 0
  46 #endif
  47 #ifndef SEEK_CUR
  48 # define SEEK_CUR 1
  49 #endif
  50 #ifndef SEEK_END
  51 # define SEEK_END 2
  52 #endif
  53
  54 /*
  55  * we should be getting this value from pathconf(_PC_PATH_MAX)
  56  */
  57 #ifndef PATH_MAX
  58 # ifdef MAXPATHLEN
  59 #  define PATH_MAX MAXPATHLEN
  60 # else
  61    /* so we will just pick something */
  62 #  define PATH_MAX 1024
  63 # endif
  64 #endif
  65
  66 /*
  67  * we should get this value from sysconf(_SC_NGROUPS_MAX)
  68  */
  69 #ifndef NGROUPS_MAX
  70 # ifdef NGROUPS
  71 #  define NGROUPS_MAX NGROUPS
  72 # else
  73 #  define NGROUPS_MAX 16
  74 # endif
  75 #endif
  76
  77 /*
  78  * we should be getting this value from sysconf(_SC_OPEN_MAX)
  79  */
  80 #ifndef OPEN_MAX
  81 # ifdef NOFILE
  82 #  define OPEN_MAX NOFILE
  83 # else
  84    /* so we will just pick something */
  85 #  define OPEN_MAX 64
  86 # endif
  87 #endif
  88
  89 #include <signal.h>
  90
  91 #define bcmp(b1,b2,length)      memcmp(b1, b2, length)
  92 #define bcopy(b1,b2,length)     memcpy (b2, b1, length)
  93 #define bcpy(b1,b2,length)      memcmp (b1, b2, length)
  94 #define bzero(b,length)         memset (b, 0, length)
  95
  96 /*
  97  * If your stat macros are broken,
  98  * we will just undefine them.
  99  */
 100 #ifdef STAT_MACROS_BROKEN
 101 # ifdef S_ISBLK
 102 #  undef S_ISBLK
 103 # endif
 104 # ifdef S_ISCHR
 105 #  undef S_ISCHR
 106 # endif
 107 # ifdef S_ISDIR
 108 #  undef S_ISDIR
 109 # endif
 110 # ifdef S_ISFIFO
 111 #  undef S_ISFIFO
 112 # endif
 113 # ifdef S_ISLNK
 114 #  undef S_ISLNK
 115 # endif
 116 # ifdef S_ISMPB
 117 #  undef S_ISMPB
 118 # endif
 119 # ifdef S_ISMPC
 120 #  undef S_ISMPC
 121 # endif
 122 # ifdef S_ISNWK
 123 #  undef S_ISNWK
 124 # endif
 125 # ifdef S_ISREG
 126 #  undef S_ISREG
 127 # endif
 128 # ifdef S_ISSOCK
 129 #  undef S_ISSOCK
 130 # endif
 131 #endif  /* STAT_MACROS_BROKEN.  */
 132