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+/* Program name management.
+ Copyright (C) 2001-2004, 2006, 2009-2013 Free Software Foundation, Inc.
+ Written by Bruno Haible <bruno@clisp.org>, 2001.
+
+ 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 of the License, 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, see <http://www.gnu.org/licenses/>. */
+
+#ifndef _PROGNAME_H
+#define _PROGNAME_H
+
+/* Programs using this file should do the following in main():
+ set_program_name (argv[0]);
+ */
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/* String containing name the program is called with. */
+extern const char *program_name;
+
+/* Set program_name, based on argv[0].
+ argv0 must be a string allocated with indefinite extent, and must not be
+ modified after this call. */
+extern void set_program_name (const char *argv0);
+
+#if ENABLE_RELOCATABLE
+
+/* Set program_name, based on argv[0], and original installation prefix and
+ directory, for relocatability. */
+extern void set_program_name_and_installdir (const char *argv0,
+ const char *orig_installprefix,
+ const char *orig_installdir);
+#undef set_program_name
+#define set_program_name(ARG0) \
+ set_program_name_and_installdir (ARG0, INSTALLPREFIX, INSTALLDIR)
+
+/* Return the full pathname of the current executable, based on the earlier
+ call to set_program_name_and_installdir. Return NULL if unknown. */
+extern char *get_full_program_name (void);
+
+#endif
+
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* _PROGNAME_H */