a parser for config files and the command line

src/parse.h

@@ -0,0 +1,57 @@
+#pragma once
+#include "compiler.h"
+
+extern const char PARSE_YES[];
+extern const char PARSE_NO[];
+
+struct cfginfo
+{
+  const char *all_locale_fonts;
+  const char *alt_print_command_default;
+  const char *altprintcommand;
+  const char *autosave_on_quit;
+  const char *colorfile;
+  const char *datadir;
+  const char *disable_label;
+  const char *disable_magic_controls;
+  const char *disable_print;
+  const char *disable_quit;
+  const char *disable_save;
+  const char *disable_screensaver;
+  const char *disable_stamp_controls;
+  const char *dont_do_xor;
+  const char *dont_load_stamps;
+  const char *fullscreen;
+  const char *grab_input;
+  const char *hide_cursor;
+  const char *keymouse;
+  const char *mirrorstamps;
+  const char *native_screensize;
+  const char *no_button_distinction;
+  const char *no_fancy_cursors;
+  const char *no_system_fonts;
+  const char *noshortcuts;
+  const char *ok_to_use_lockfile;
+  const char *only_uppercase;
+  const char *papersize;
+  const char *parsertmp_fullscreen_native;
+  const char *parsertmp_lang;
+  const char *parsertmp_locale;
+  const char *parsertmp_sysconfig;
+  const char *parsertmp_windowsize;
+  const char *print_delay;
+  const char *printcommand;
+  const char *promptless_save;
+  const char *rotate_orientation;
+  const char *savedir;
+  const char *simple_shapes;
+  const char *stamp_size_override;
+  const char *start_blank;
+  const char *use_print_config;
+  const char *use_sound;
+  const char *wheely;
+};
+
+#define CFGINFO_MAXOFFSET  (sizeof(struct cfginfo))
+
+extern void parse_one_option(struct cfginfo *restrict tmpcfg, const char *str, const char *opt, const char *restrict src);