tabby/bin/main.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <stdarg.h>
#include <unistd.h>
#include <errno.h>

#include <tabby/link.h>
#include <tabby/printer.h>

#include "commands.h"

static void usage(int argc, char **argv, char *message, ...) {
    if (message) {
        va_list args;

        va_start(args, message);
        vfprintf(stderr, message, args);
         fprintf(stderr, "\n");
        va_end(args);
    }

    fprintf(stderr, "usage: %1$s print ...\n"
                    "       %1$s capture ...\n",
        argv[0]);

    exit(1);
}

static struct {
    char *name;
    int (*fun)(int, char **);
} commands[] = {
    { "print",   tabby_command_print   },
    { "capture", tabby_command_capture },
    { NULL,   NULL                     }
};

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;
}