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/* filename.c: routines to manipulate filenames.
Copyright (C) 1992, 1993, 2011 Free Software Foundation, Inc.
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 3, 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 "config.h"
#include "paths.h"
#include "filename.h"
#include "pathsrch.h"
/* Try to find the PK font FONT_NAME at resolution DPI, using various
paths (see `filename.h'). The filename must have the resolution as
part of the extension, e.g., `cmr10.300pk', for it to be found. */
string
find_pk_filename (string font_name, unsigned dpi)
{
static string *dirs = NULL;
string pk_var, pk_name, name;
char suffix[MAX_INT_LENGTH + sizeof ".pk"];
sprintf (suffix, ".%dpk", dpi);
pk_var = getenv ("PKFONTS") ? "PKFONTS"
: getenv ("TEXPKS") ? "TEXPKS" : "TEXFONTS";
if (dirs == NULL)
dirs = initialize_path_list (pk_var, DEFAULT_PK_PATH);
name = concat (font_name, suffix);
pk_name = find_path_filename (name, dirs);
if (name != pk_name)
free (name);
return pk_name;
}
/* Like `find_pk_filename', but search for a font in GF format. */
string
find_gf_filename (string font_name, unsigned dpi)
{
static string *dirs = NULL;
string gf_var, gf_name, name;
char suffix[MAX_INT_LENGTH + sizeof ".pk"];
sprintf (suffix, ".%dgf", dpi);
gf_var = getenv ("GFFONTS") ? "GFFONTS" : "TEXFONTS";
if (dirs == NULL)
dirs = initialize_path_list (gf_var, DEFAULT_GF_PATH);
name = concat (font_name, suffix);
gf_name = find_path_filename (name, dirs);
if (name != gf_name)
free (name);
return gf_name;
}
/* Like `find_pk_filename', except search for a TFM file. */
string
find_tfm_filename (string font_name)
{
static string *dirs = NULL;
string tfm_name, name;
if (dirs == NULL)
dirs = initialize_path_list ("TEXFONTS", DEFAULT_TFM_PATH);
name = extend_filename (font_name, "tfm");
tfm_name = find_path_filename (name, dirs);
if (name != tfm_name)
free (name);
return tfm_name;
}
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