vendor/optparse-master/examples/short.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47

/* This is free and unencumbered software released into the public domain. */
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>

#define OPTPARSE_IMPLEMENTATION
#define OPTPARSE_API static
#include "../optparse.h"

int main(int argc, char **argv)
{
    bool amend = false;
    bool brief = false;
    const char *color = "white";
    int delay = 0;

    char *arg;
    int option;
    struct optparse options;

    (void)argc;
    optparse_init(&options, argv);
    while ((option = optparse(&options, "abc:d::")) != -1) {
        switch (option) {
        case 'a':
            amend = true;
            break;
        case 'b':
            brief = true;
            break;
        case 'c':
            color = options.optarg;
            break;
        case 'd':
            delay = options.optarg ? atoi(options.optarg) : 1;
            break;
        case '?':
            fprintf(stderr, "%s: %s\n", argv[0], options.errmsg);
            exit(EXIT_FAILURE);
        }
    }

    /* Print remaining arguments. */
    while ((arg = optparse_arg(&options)))
        printf("%s\n", arg);
    return 0;
}