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tex-file.c
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C/C++ Source or Header
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1996-09-28
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/* tex-file.c: stuff for all TeX formats.
Copyright (C) 1993, 94 Karl Berry.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <kpathsea/config.h>
#include <kpathsea/default.h>
#include <kpathsea/pathsearch.h>
#include <kpathsea/tex-file.h>
/* See tex-font.h. */
const_string kpse_fallback_font = NULL;
unsigned *kpse_fallback_resolutions = NULL;
string kpse_font_override_path = NULL;
/* The compiled-in default list, DEFAULT_FONT_SIZES, is intended to be
set from the command line (presumably via the Makefile). */
#ifndef DEFAULT_FONT_SIZES
#define DEFAULT_FONT_SIZES ""
#endif
void
kpse_init_fallback_resolutions P1C(string, envvar)
{
const_string size_var = ENVVAR (envvar, "TEXSIZES");
string size_str = getenv (size_var);
unsigned *last_resort_sizes = NULL;
unsigned size_count = 0;
string size_list = kpse_expand_default (size_str, DEFAULT_FONT_SIZES);
/* Initialize the list of last-resort sizes. */
for (size_str = kpse_path_element (size_list); size_str != NULL;
size_str = kpse_path_element (NULL))
{
if (! *size_str)
continue;
size_count++;
XRETALLOC (last_resort_sizes, size_count, unsigned);
last_resort_sizes[size_count - 1] = atoi (size_str);
}
/* Add a zero to mark the end of the list. */
size_count++;
XRETALLOC (last_resort_sizes, size_count, unsigned);
last_resort_sizes[size_count - 1] = 0;
kpse_fallback_resolutions = last_resort_sizes;
}
/* See the .h file for the description. */
string
kpse_find_file P4C(const_string, name, const_string, ext,
const_string, path, boolean, must_exist)
{
string full_name = concat3 (name, ".", ext);
string ret = kpse_path_search (path, full_name, must_exist);
free (full_name);
return ret;
}