diff options
| -rw-r--r-- | mazerator.c | 78 |
1 files changed, 45 insertions, 33 deletions
diff --git a/mazerator.c b/mazerator.c index 82620f0..46ac9fc 100644 --- a/mazerator.c +++ b/mazerator.c @@ -168,6 +168,41 @@ void print_maze(char ***maze, int height, int width) } } +void validate_number_optarg(char *optarg, int c) +{ + char *base_error = malloc(39 * sizeof(char)); + sprintf(base_error, "Error: Invalid option argument for -%c.", c); + + if (!is_number(optarg)) + { + printf("%s It must be a number\n", base_error); + exit(1); + } + + if (atoi(optarg) < 1) + { + printf("%s It must be greater than 0\n", base_error); + exit(1); + } +} + +void validate_start_coords(int start_x, int start_y, int width, int height) +{ + char *error_format = "Error: The %s start coordinate is not allowed to be higher than the maze's %s\n"; + + if (start_x > width) + { + printf(error_format, "x", "width"); + exit(1); + } + + if (start_y > height) + { + printf(error_format, "y", "height"); + exit(1); + } +} + const struct option options[] = { {"width", required_argument, NULL, 'w'}, {"heigth", required_argument, NULL, 'h'}, @@ -193,63 +228,38 @@ int main(int argc, char *argv[]) switch (c) { case 'w': - if (!is_number(optarg) || atoi(optarg) < 1 || atoi(optarg) > 255) - { - printf("Invalid option argument for -%c!\n", c); - exit(1); - } - + validate_number_optarg(optarg, c); maze_width = atoi(optarg); break; case 'h': - if (!is_number(optarg) || atoi(optarg) < 1 || atoi(optarg) > 255) - { - printf("Invalid option argument for -%c!\n", c); - exit(1); - } - + validate_number_optarg(optarg, c); maze_height = atoi(optarg); break; case 'x': - if (!is_number(optarg) || atoi(optarg) < 1) - { - printf("Invalid option argument for -%c!\n", c); - exit(1); - } - + validate_number_optarg(optarg, c); start_x = atoi(optarg); break; case 'y': - if (!is_number(optarg) || atoi(optarg) < 1) - { - printf("Invalid option argument for -%c!\n", c); - exit(1); - } - + validate_number_optarg(optarg, c); start_y = atoi(optarg); break; case 'W': wall = optarg; break; case 's': - if (!is_number(optarg)) - { - printf("Invalid option argument for -s/--seed!\n"); - exit(1); - } - + validate_number_optarg(optarg, c); seed = atoi(optarg); break; case 0: printf( "Usage: %s [OPTION]...\n\n" "Options:\n" - " -w, --width WIDTH The width of the maze. (1-255) (Default: 40)\n" - " -h, --heigth HEIGHT The heigth of the maze. (1-255) (Default: 20)\n" + " -w, --width WIDTH The width of the maze (Default: 40)\n" + " -h, --heigth HEIGHT The heigth of the maze (Default: 20)\n" " -x, --start-x X The x coordinate for the start position (Default: 0)\n" " -y, --start-y Y The y coordinate for the start position (Default: 0)\n" " -w, --wall WALL Single character used as maze walls (Default: '█')\n" - " -s, --seed SEED The randomization seed used for maze generation. (Any number)\n" + " -s, --seed SEED The randomization seed used for maze generation (Any number)\n" " --help Displays usage information\n", argv[0]); exit(0); @@ -259,6 +269,8 @@ int main(int argc, char *argv[]) } } + validate_start_coords(start_x, start_y, maze_width, maze_height); + if (seed == -1) { FILE *f = fopen("/dev/urandom", "r"); |