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/*
* Copyright (c) 2026, Chloe M.
* Provided under the BSD-3 clause.
*/
#include <unistd.h>
#include <stdio.h>
#include <stdint.h>
#include <stddef.h>
/* Version conversion macros */
#define VERSION_U16(MAJOR, MINOR) \
(((MINOR) << 8) | (MAJOR))
#define VERSION_MAJOR(VERSION) \
((VERSION) & 0xFF)
#define VERSION_MINOR(VERSION) \
(((VERSION) >> 8) & 0xFF)
/*
* Software version
*
* XXX: We encode it as a U16 so that we may bundle it
* with the file data as binary.
*/
#define RDAR_VERSION VERSION_U16(1, 0) /* v1.0 */
static void
help(void)
{
printf("usage: ./rdar <... flags>\n");
printf("[-h] Display this help menu\n");
printf("[-v] Display the program version\n");
}
static void
version(void)
{
uint16_t Major, Minor;
Major = VERSION_MAJOR(RDAR_VERSION);
Minor = VERSION_MINOR(RDAR_VERSION);
printf("Version v%d.%d\n", Major, Minor);
}
int
main(int argc, char **argv)
{
int opt;
if (argc < 2) {
printf("fatal: too few arguments\n");
help();
return -1;
}
while ((opt = getopt(argc, argv, "hv")) != -1) {
switch (opt) {
case 'h':
help();
return -1;
case 'v':
version();
return -1;
}
}
}
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