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+/* proginit.c: useful initializations for DVI drivers.
+
+Copyright (C) 1994, 95, 96 Karl Berry.
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public
+License as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#include <kpathsea/config.h>
+#include <kpathsea/c-pathch.h>
+#include <kpathsea/proginit.h>
+#include <kpathsea/tex-file.h>
+
+
+/* These initializations were common to all the drivers modified for
+   kpathsea, so a single routine seemed in order.  Kind of a bollixed-up
+   mess, but still better than repeating the code.  */
+
+void
+kpse_init_prog P4C(const_string, prefix,  unsigned, dpi,  const_string, mode,
+                   const_string, fallback)
+{
+  string font_var = concat (prefix, "FONTS");
+  string header_var = concat (prefix, "HEADERS");
+  string makepk_var = concat (prefix, "MAKEPK");
+  string size_var = concat (prefix, "SIZES");
+  
+  /* Do both `pk_format' and `any_glyph_format' for the sake of xdvi; in
+     general, MakeTeXPK might apply to either, and the program will ask
+     for the one it wants.  */
+     
+  /* Might have a program-specific name for MakeTeXPK itself.  */
+  if (getenv (makepk_var)) {
+  /* If we did, we want to enable the program, I think.  */
+    kpse_set_program_enabled (kpse_pk_format, 1, kpse_src_env);
+    kpse_set_program_enabled (kpse_any_glyph_format, 1, kpse_src_env);
+
+    kpse_format_info[kpse_pk_format].program
+      = kpse_format_info[kpse_any_glyph_format].program
+      = getenv (makepk_var);
+  }
+
+  /* A couple font paths have traditionally had application-specific
+     environment variables to override all else; namely, XDVIFONTS and
+     DVIPSHEADERS.  So set those if we have them.  */
+  kpse_format_info[kpse_pk_format].override_path
+    = kpse_format_info[kpse_gf_format].override_path
+    = kpse_format_info[kpse_any_glyph_format].override_path
+    = kpse_format_info[kpse_tfm_format].override_path
+    = getenv (font_var);
+
+  kpse_format_info[kpse_tex_ps_header_format].override_path
+    = getenv (header_var);
+
+  kpse_init_fallback_resolutions (size_var);
+  xputenv_int ("MAKETEX_BASE_DPI", dpi);
+  kpse_fallback_font = fallback;
+  
+  /* Ugliness.  See comments in kpse_make_tex in kpathsea/tex-make.c.  */
+  xputenv ("MAKETEX_MODE", mode ? mode : DIR_SEP_STRING);
+  
+  free (font_var);
+  free (header_var);
+  free (makepk_var);
+  free (size_var);
+}