cammy/bin/main.c
XANTRONIX Development 631a41856e remove pnglite
2021-12-07 17:07:36 -05:00

67 lines
1.4 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <cammy/camera.h>
#include "commands.h"
static struct {
char *name;
int (*fun)(int, char **);
} commands[] = {
{ "import", cammy_import },
{ "export", cammy_export },
{ "dither", cammy_dither },
{ "split", cammy_split },
{ "merge", cammy_merge },
{ NULL, NULL }
};
static void usage(int argc, char **argv, const char *message, ...) {
int i;
if (message) {
va_list args;
va_start(args, message);
vfprintf(stderr, message, args);
va_end(args);
fprintf(stderr, "\n");
}
for (i=0; commands[i].name; i++) {
if (i == 0) {
fprintf(stderr, "usage: %s %s ...\n", argv[0], commands[i].name);
} else {
fprintf(stderr, " %s %s ...\n", argv[0], commands[i].name);
}
}
exit(1);
}
void cammy_validate_photo_number(int argc, char **argv, int num) {
if (num < 1 || num > CAMMY_CAMERA_PHOTO_COUNT) {
usage(argc, argv, "Invalid photo number");
}
}
int main(int argc, char **argv) {
int i;
if (argc < 2) {
usage(argc, argv, "No command specified");
}
for (i=0; commands[i].name; i++) {
if (strcmp(argv[1], commands[i].name) == 0) {
return commands[i].fun(argc, argv);
}
}
usage(argc, argv, "Unknown command '%s'", argv[1]);
return 0;
}