1 files changed, 58 insertions, 0 deletions

diff --git a/include/grecs/opt.h b/include/grecs/opt.h
new file mode 100644
index 0000000..5153033
--- /dev/null
+++ b/include/grecs/opt.h
@@ -0,0 +1,58 @@
+/* grecs - Gray's Extensible Configuration System
+   Copyright (C) 2007-2016 Sergey Poznyakoff
+
+   Grecs 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.
+
+   Grecs 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 Grecs. If not, see <http://www.gnu.org/licenses/>. */
+
+#ifndef _GRECS_OPT_H
+#define _GRECS_OPT_H
+
+struct grecs_proginfo {
+        const char *progname;
+        char **subcmd;
+        const char *docstring;
+        const char *args_doc;
+        struct grecs_opthelp *opthelp;
+        size_t optcount;
+        void (*print_help_hook)(FILE *stream);
+        void (*print_version_hook)(FILE *stream);
+        const char *package;
+        const char *version;
+        const char *license;
+        const char *copyright_year;
+        const char *copyright_holder;
+        const char **authors;
+        const char *bug_address;
+        const char *url;
+        const char *epilogue;
+};
+
+struct grecs_opthelp {
+        const char *opt;
+        const char *arg;
+        int is_optional;
+        const char *descr;
+};
+
+#define DESCRCOLUMN 30
+#define RMARGIN 79
+#define GROUPCOLUMN 2
+#define USAGECOLUMN 13
+
+void grecs_print_help(struct grecs_proginfo *pinfo);
+void grecs_print_usage(struct grecs_proginfo *pinfo);
+void grecs_print_version_only(struct grecs_proginfo *pinfo, FILE *stream);
+void grecs_print_version(struct grecs_proginfo *pinfo, FILE *stream);
+
+#endif
+