135 lines
4.5 KiB
C
135 lines
4.5 KiB
C
#include <stdlib.h>
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#include <stdio.h>
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#include <getopt.h>
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#include <stdbool.h>
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#include <assert.h>
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#include <string.h>
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#include <unistd.h>
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#include "utictactoe.h"
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#define OPTIONAL_ARGUMENT_IS_PRESENT \
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((optarg == NULL && optind < argc && argv[optind][0] != '-') \
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? (bool) (optarg = argv[optind++]) \
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: (optarg != NULL))
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void help(){
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printf("usage: utictactoe ([-i LEVEL|-x N|-o N|-v|-V|-h] | -c FILE)\n");
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printf("Play a utictactoe game with human or program players.\n");
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printf("-i, --inception-level LEVEL deepness of the game (min=1, max=3 (default=2))\n");
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printf("-x, --cross-ai N set tactic of cross player 'X'\n");
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printf("-o, --round-ai N set tactic of round player 'O'\n");
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printf("-c, --contest enable 'contest' mode\n");
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printf("-v, --verbose verbose output\n");
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printf("-V, --version display version and exit\n");
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printf("-h, --help display this help and exit\n");
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printf("Tactics list: random (0), clever (1)\n");
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}
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int check_int_value ( char *value, int min, int max){
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char * end_ptr;
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int result;
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result = strtol(optarg, &end_ptr, 10);
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if ( strcmp(end_ptr, "\0") != 0 ) {
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return -1;
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}
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if ( result < min || result > max) {
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return -1;
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}
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return result;
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}
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int main(int argc, char* argv[]) {
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int optc;
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int cross_ai, round_ai = 0;
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int inception_level = 0;
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bool contest = false;
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char * contest_file;
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static struct option long_opts[] =
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{
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{"inception-level", optional_argument, 0, 'i'},
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{"cross-ai", required_argument, 0, 'x'},
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{"round-ai", required_argument, 0, 'o'},
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{"contest", no_argument, 0, 'c'},
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{"verbose", no_argument, 0, 'v'},
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{"version", no_argument, 0, 'V'},
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{"help", no_argument, 0, 'h'},
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{0, 0, 0, 0}
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};
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while ((optc = getopt_long (argc, argv, "i::x:o:cvVh", long_opts, NULL)) != -1){
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switch (optc) {
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case 'i': /* 'a' option */
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if ( OPTIONAL_ARGUMENT_IS_PRESENT ) {
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inception_level = check_int_value( optarg, 1, 3);
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if ( inception_level == -1 ) {
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fprintf(stderr, "Error: incorrect inception level\n");
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exit (EXIT_FAILURE);
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}
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}
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else {
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inception_level = 2;
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}
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printf ("Inception activated, level: %d\n", inception_level);
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break;
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case 'x':
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printf ("cross ai\n");
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if ( optarg ) {
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cross_ai = check_int_value(optarg, 0, 1);
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if ( cross_ai == -1 ) {
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fprintf(stderr, "Error: incorrect cross ai value\n");
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exit (EXIT_FAILURE);
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}
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}
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else {
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fprintf(stderr, "Error: you must specify a value for cross ai\n");
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exit (EXIT_FAILURE);
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}
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break;
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case 'o':
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printf ("round ai\n");
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if ( optarg ) {
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round_ai = check_int_value(optarg, 0, 1);
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if ( round_ai == -1 ) {
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fprintf(stderr, "Error: incorrect round ai value\n");
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exit (EXIT_FAILURE);
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}
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}
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else {
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fprintf(stderr, "Error: you must specify a value for round ai\n");
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exit (EXIT_FAILURE);
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}
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break;
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case 'c':
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if ( OPTIONAL_ARGUMENT_IS_PRESENT ) {
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if ( access(optarg, R_OK | W_OK) != -1) {
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printf("Contest file valid\n");
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}
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else {
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fprintf(stderr, "Can't access to file %s\n", optarg);
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} exit (EXIT_FAILURE);
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}
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else {
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fprintf(stderr, "Error: contest need a file\n");
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exit (EXIT_FAILURE);
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}
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contest = true;
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printf ("contest activated\n");
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break;
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case 'V':
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printf("utictactoe %d.%d.%d\n", VERSION, SUBVERSION, REVISION);
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printf("This software implements a full ultimate tictactoe game.\n");
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exit(EXIT_SUCCESS);
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case 'h':
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help();
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exit(EXIT_SUCCESS);
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default:
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fprintf(stderr, "Error: unknown option");
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exit (EXIT_FAILURE);
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}
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}
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printf("Hello World!\n");
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}
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