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- /* init-path.c: Find how to initialize a path.
-
- 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/init-path.h>
-
-
- /* See init-path.h. */
-
- string
- kpse_init_path PVAR2C(const_string, current,
- const_string, default_path, ap)
- {
- string env_name;
- string ret;
- string env_path = NULL;
-
- /* First envvar that's set will exit the loop. */
- while (!env_path && (env_name = va_arg (ap, string)) != NULL)
- {
- env_path = getenv (env_name);
- }
- va_end (ap);
-
- /* Expand extra colons. */
- ret = kpse_expand_default (env_path ? env_path : current, default_path);
-
- return ret;
- }}
-
- #ifdef TEST
- int
- main ()
- {
- printf ("null = \"%s\"\n", kpse_init_path (false, "def", NULL));
- printf ("TEXFONTS" = \"%s\"\n",
- kpse_init_path (false, "def", "TEXFONTS", NULL));
- printf ("GLYPHFONTS" = \"%s\"\n",
- kpse_init_path ("false, def", "GLYPHFONTS", "TEXFONTS", NULL));
- return 0;
- }
-
- #endif /* TEST */
-
-
- /*
- Local variables:
- compile-command: "gcc -posix -g -I. -I.. -DTEST init-path.c kpathsea.a"
- End:
- */
-