source/texk/kpathsea/c-pathch.h

   1 /* c-pathch.h: define the characters which separate components of
   2    filenames and environment variable paths.
   3
   4    Copyright 1992, 1993, 1995, 1997, 2008 Karl Berry.
   5    Copyright 1997, 1999, 2001, 2005 Olaf Weber.
   6
   7    This library is free software; you can redistribute it and/or
   8    modify it under the terms of the GNU Lesser General Public
   9    License as published by the Free Software Foundation; either
  10    version 2.1 of the License, or (at your option) any later version.
  11
  12    This library is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15    Lesser General Public License for more details.
  16
  17    You should have received a copy of the GNU Lesser General Public License
  18    along with this library; if not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #ifndef C_PATHCH_H
  21 #define C_PATHCH_H
  22
  23 #include <kpathsea/c-ctype.h>
  24
  25 /* What separates filename components?  */
  26 #ifndef DIR_SEP
  27 # if defined(VMS)
  28 #  define DIR_SEP ':'
  29 #  define DIR_SEP_STRING ":"
  30 # elif defined(DOSISH) /* not VMS */
  31 /* Either \'s or 's work.  Wayne Sullivan's web2pc prefers /, so we'll
  32    go with that.  */
  33 #  define DIR_SEP '/'
  34 #  define DIR_SEP_STRING "/"
  35 #  define IS_DEVICE_SEP(ch) ((ch) == ':')
  36 #  define NAME_BEGINS_WITH_DEVICE(name) (*(name) && IS_DEVICE_SEP((name)[1]))
  37 /* On DOS, it's good to allow both \ and / between directories.  */
  38 #  define IS_DIR_SEP(ch) ((ch) == '/' || (ch) == '\\')
  39 #  ifdef WIN32
  40 /*  On win32, UNC names are authorized */
  41 #   define IS_UNC_NAME(name) (strlen(name)>=3 && IS_DIR_SEP(*name)  \
  42                                && IS_DIR_SEP(*(name+1)) && isalnum(*(name+2)))
  43 /*  Used after converting '\\' into '/' */
  44 #   define IS_DIR_SEP_CH(ch) ((ch) == '/')
  45 #  endif
  46 # elif defined(AMIGA) /* not DOSISH */
  47 #  define DIR_SEP '/'
  48 #  define DIR_SEP_STRING "/"
  49 #  define IS_DIR_SEP(ch) ((ch) == '/' || (ch) == ':')
  50 #  define IS_DEVICE_SEP(ch) ((ch) == ':')
  51 # elif defined(VMCMS) /* not AMIGA */
  52 #  define DIR_SEP ' '
  53 #  define DIR_SEP_STRING " "
  54 # else /* not VMCMS */
  55 #  define DIR_SEP '/'
  56 #  define DIR_SEP_STRING "/"
  57 # endif /* not VMCMS */
  58 #endif /* not DIR_SEP */
  59
  60 #ifndef IS_DIR_SEP
  61 #define IS_DIR_SEP(ch) ((ch) == DIR_SEP)
  62 #endif
  63 #ifndef IS_DIR_SEP_CH
  64 #define IS_DIR_SEP_CH(ch) IS_DIR_SEP(ch)
  65 #endif
  66 #ifndef IS_DEVICE_SEP /* No `devices' on, e.g., Unix.  */
  67 #define IS_DEVICE_SEP(ch) 0
  68 #endif
  69 #ifndef NAME_BEGINS_WITH_DEVICE
  70 #define NAME_BEGINS_WITH_DEVICE(name) 0
  71 #endif
  72 #ifndef IS_UNC_NAME /* Unc names are in practice found on Win32 only. */
  73 #define IS_UNC_NAME(name) 0
  74 #endif
  75
  76 /* What separates elements in environment variable path lists?  */
  77 #ifndef ENV_SEP
  78 #ifdef VMS
  79 # define ENV_SEP ','
  80 # define ENV_SEP_STRING ","
  81 #elif defined (DOSISH)
  82 # define ENV_SEP ';'
  83 # define ENV_SEP_STRING ";"
  84 #elif defined (AMIGA)
  85 # define ENV_SEP ';'
  86 # define ENV_SEP_STRING ";"
  87 #elif defined (VMCMS)
  88 # define ENV_SEP ' '
  89 # define ENV_SEP_STRING " "
  90 #else
  91 # define ENV_SEP ':'
  92 # define ENV_SEP_STRING ":"
  93 #endif
  94 #endif /* not ENV_SEP */
  95
  96 #ifndef IS_ENV_SEP
  97 #define IS_ENV_SEP(ch) ((ch) == ENV_SEP)
  98 #endif
  99
 100 #endif /* not C_PATHCH_H */