source/texk/kpathsea/proginit.c

   1 /* proginit.c: useful initializations for DVI drivers.
   2
   3    Copyright 1994, 1995, 1996, 2008 Karl Berry.
   4    Copyright 1997, 2005 Olaf Weber.
   5
   6    This library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    This library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public License
  17    along with this library; if not, see <http://www.gnu.org/licenses/>.  */
  18
  19 #include <kpathsea/config.h>
  20 #include <kpathsea/c-pathch.h>
  21 #include <kpathsea/proginit.h>
  22 #include <kpathsea/tex-file.h>
  23
  24
  25 /* These initializations were common to all the drivers modified for
  26    kpathsea, so a single routine seemed in order.  Kind of a bollixed-up
  27    mess, but still better than repeating the code.  */
  28
  29 void
  30 kpathsea_init_prog (kpathsea kpse, const_string prefix,  unsigned dpi,
  31                     const_string mode, const_string fallback)
  32 {
  33   string font_var = concat (prefix, "FONTS");
  34   string header_var = concat (prefix, "HEADERS");
  35   string makepk_var = concat (prefix, "MAKEPK");
  36   string size_var = concat (prefix, "SIZES");
  37
  38   /* Do both `pk_format' and `any_glyph_format' for the sake of xdvi; in
  39      general, mktexpk might apply to either, and the program will ask
  40      for the one it wants.  */
  41
  42   /* Might have a program-specific name for mktexpk itself.  */
  43   if (getenv (makepk_var)) {
  44   /* If we did, we want to enable the program, I think.  */
  45     kpathsea_set_program_enabled (kpse, kpse_pk_format, 1, kpse_src_env);
  46     kpathsea_set_program_enabled (kpse, kpse_any_glyph_format, 1,kpse_src_env);
  47
  48     kpse->format_info[kpse_pk_format].program
  49       = kpse->format_info[kpse_any_glyph_format].program
  50       = getenv (makepk_var);
  51   }
  52
  53   /* A couple font paths have traditionally had application-specific
  54      environment variables to override all else; namely, XDVIFONTS and
  55      DVIPSHEADERS.  So set those if we have them.  */
  56   kpse->format_info[kpse_pk_format].override_path
  57     = kpse->format_info[kpse_gf_format].override_path
  58     = kpse->format_info[kpse_any_glyph_format].override_path
  59     = kpse->format_info[kpse_tfm_format].override_path
  60     = getenv (font_var);
  61
  62   kpse->format_info[kpse_tex_ps_header_format].override_path
  63     = getenv (header_var);
  64
  65   kpathsea_init_fallback_resolutions (kpse, size_var);
  66   kpathsea_xputenv_int (kpse, "MAKETEX_BASE_DPI", dpi);
  67   kpse->fallback_font = fallback;
  68
  69   /* Ugliness.  See comments in kpse_make_tex in kpathsea/tex-make.c.  */
  70   kpathsea_xputenv (kpse, "MAKETEX_MODE", mode ? mode : DIR_SEP_STRING);
  71
  72   free (font_var);
  73   free (header_var);
  74   free (makepk_var);
  75   free (size_var);
  76 }
  77
  78 #if defined (KPSE_COMPAT_API)
  79 void
  80 kpse_init_prog (const_string prefix,  unsigned dpi,
  81                 const_string mode, const_string fallback)
  82 {
  83   kpathsea_init_prog(kpse_def,prefix,dpi,mode,fallback);
  84 }
  85 #endif