klibc/tests/getoptlong.c

/*
 * getoptlong.c
 *
 * Simple test for getopt_long, set the environment variable GETOPTTEST
 * to give the argument string to getopt()
 */

#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <getopt.h>

static int foo = 0;

static const struct option long_options[] = {
	{ "first",   1, NULL, 'f' },
	{ "second",  0, NULL, 's' },
	{ "third",   2, NULL, '3' },
	{ "fourth",  0, NULL,  4 },
	{ "set-foo", 0, &foo,  1 },
	{ NULL, 0, NULL, 0 }
};

int main(int argc, char *const *argv)
{
	const char *parser;
	const char *showchar;
	char one_char[] = "\'?\'";
	char num_buf[16];
	int c;
	int longindex;

	parser = getenv("GETOPTTEST");
	if (!parser)
		parser = "abzf:o:";

	do {
		c = getopt_long(argc, argv, parser, long_options, &longindex);

		if (c == EOF) {
			showchar = "EOF";
		} else if (c >= 32 && c <= 126) {
			one_char[1] = c;
			showchar = one_char;
		} else {
			snprintf(num_buf, sizeof num_buf, "%d", c);
			showchar = num_buf;
		}

		printf("c = %s, optind = %d (\"%s\"), optarg = \"%s\", "
		       "optopt = \'%c\', foo = %d, longindex = %d\n",
		       showchar, optind, argv[optind],
		       optarg, optopt, foo, longindex);
	} while (c != -1);

	return 0;
}
1	niro	532	/*
2			* getoptlong.c
3			*
4			* Simple test for getopt_long, set the environment variable GETOPTTEST
5			* to give the argument string to getopt()
6			*/
7
8			#include <stdlib.h>
9			#include <unistd.h>
10			#include <stdio.h>
11			#include <getopt.h>
12
13			static int foo = 0;
14	niro	1297
15	niro	532	static const struct option long_options[] = {
16			{ "first", 1, NULL, 'f' },
17			{ "second", 0, NULL, 's' },
18			{ "third", 2, NULL, '3' },
19			{ "fourth", 0, NULL, 4 },
20			{ "set-foo", 0, &foo, 1 },
21			{ NULL, 0, NULL, 0 }
22			};
23
24			int main(int argc, char const argv)
25			{
26			const char *parser;
27			const char *showchar;
28			char one_char[] = "\'?\'";
29			char num_buf[16];
30			int c;
31			int longindex;
32
33			parser = getenv("GETOPTTEST");
34			if (!parser)
35			parser = "abzf:o:";
36
37			do {
38			c = getopt_long(argc, argv, parser, long_options, &longindex);
39
40			if (c == EOF) {
41			showchar = "EOF";
42			} else if (c >= 32 && c <= 126) {
43			one_char[1] = c;
44			showchar = one_char;
45			} else {
46			snprintf(num_buf, sizeof num_buf, "%d", c);
47			showchar = num_buf;
48			}
49
50			printf("c = %s, optind = %d (\"%s\"), optarg = \"%s\", "
51			"optopt = \'%c\', foo = %d, longindex = %d\n",
52			showchar, optind, argv[optind],
53			optarg, optopt, foo, longindex);
54			} while (c != -1);
55
56			return 0;
57			}