+/* our "standard" options for getopt, needed for help2man */
+#define OPTS_USAGE 'h'
+#define OPTS_VERSION 'V'
+#define OPTS_COMMON "hV"
+#define USAGE_COMMON \
+ "Common options:"\
+," -h show this message"\
+," -V show version of curses"
+
+#if HAVE_CURSES_VERSION
+#define format_version(buffer, size) strcpy(buffer, curses_version())
+#elif defined(NCURSES_VERSION_MAJOR) && defined(NCURSES_VERSION_MINOR) && defined(NCURSES_VERSION_PATCH)
+#define format_version(buffer, size) \
+ _nc_SPRINTF(buffer, _nc_SLIMIT(size) "ncurses %d.%d.%d", \
+ NCURSES_VERSION_MAJOR, \
+ NCURSES_VERSION_MINOR, \
+ NCURSES_VERSION_PATCH)
+#else
+#define format_version(buffer, size) strcpy(buffer, "ncurses-examples")
+#endif
+
+#define VERSION_COMMON() \
+static char *version_common(char **argv) { \
+ char *base = argv[0]; \
+ char *part = strrchr(base, '/'); \
+ size_t need = strlen(base) + 80; \
+ char *result = malloc(need); \
+ if (result != NULL) { \
+ if (part++ == NULL) part = base; \
+ _nc_SPRINTF(result, _nc_SLIMIT(need) "%.20s: ", part); \
+ format_version(result + strlen(result), need - strlen(result)); \
+ } \
+ return result; \
+} \
+static void show_version(char **argv) { \
+ char *value = version_common(argv); \
+ if (value != NULL) { \
+ puts(value); \
+ free(value); \
+ } \
+}
+