90 lines
2.6 KiB
C
90 lines
2.6 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <getopt.h>
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#include "ketopt.h"
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static void test_opt(int c, int opt, const char *arg)
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{
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if (c == 'x') fprintf(stderr, "-x\n");
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else if (c == 'y') fprintf(stderr, "-y %s\n", arg);
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else if (c == 301) fprintf(stderr, "--foo\n");
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else if (c == 302) fprintf(stderr, "--bar %s\n", arg? arg : "(null)");
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else if (c == 303) fprintf(stderr, "--opt %s\n", arg? arg : "(null)");
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else if (c == '?') fprintf(stderr, "unknown option -%c\n", opt? opt : ':');
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else if (c == ':') fprintf(stderr, "missing option argument: -%c\n", opt? opt : ':');
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}
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static void print_cmd(int argc, char *argv[], int ind)
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{
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int i;
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fprintf(stderr, "CMD: %s", argv[0]);
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if (ind > 1) {
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fputs(" [", stderr);
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for (i = 1; i < ind; ++i) {
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if (i != 1) fputc(' ', stderr);
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fputs(argv[i], stderr);
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}
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fputc(']', stderr);
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}
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for (i = ind; i < argc; ++i)
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fprintf(stderr, " %s", argv[i]);
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fputc('\n', stderr);
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}
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static void test_ketopt(int argc, char *argv[])
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{
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static ko_longopt_t longopts[] = {
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{ "foo", ko_no_argument, 301 },
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{ "bar", ko_required_argument, 302 },
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{ "opt", ko_optional_argument, 303 },
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{ NULL, 0, 0 }
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};
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ketopt_t opt = KETOPT_INIT;
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int c;
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fprintf(stderr, "===> ketopt() <===\n");
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while ((c = ketopt(&opt, argc, argv, 1, "xy:", longopts)) >= 0)
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test_opt(c, opt.opt, opt.arg);
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print_cmd(argc, argv, opt.ind);
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}
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static void test_getopt(int argc, char *argv[])
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{
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static struct option long_options[] = {
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{ "foo", no_argument, 0, 301 },
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{ "bar", required_argument, 0, 302 },
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{ "opt", optional_argument, 0, 303 },
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{0, 0, 0, 0}
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};
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int c, option_index;
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fprintf(stderr, "===> getopt() <===\n");
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while ((c = getopt_long(argc, argv, ":xy:", long_options, &option_index)) >= 0)
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test_opt(c, optopt, optarg);
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print_cmd(argc, argv, optind);
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}
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int main(int argc, char *argv[])
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{
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int i;
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char **argv2;
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if (argc == 1) {
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fprintf(stderr, "Usage: ketopt_test [options] <argument> [...]\n");
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fprintf(stderr, "Options:\n");
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fprintf(stderr, " -x no argument\n");
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fprintf(stderr, " -y STR required argument\n");
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fprintf(stderr, " --foo no argument\n");
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fprintf(stderr, " --bar=STR required argument\n");
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fprintf(stderr, " --opt[=STR] optional argument\n");
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fprintf(stderr, "\nExamples:\n");
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fprintf(stderr, " ketopt_test -xy1 -x arg1 -y -x -- arg2 -x\n");
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fprintf(stderr, " ketopt_test --foo --bar=1 --bar 2 --opt arg1 --opt=3\n");
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fprintf(stderr, " ketopt_test arg1 -y\n");
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return 1;
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}
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argv2 = (char**)malloc(sizeof(char*) * argc);
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for (i = 0; i < argc; ++i) argv2[i] = argv[i];
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test_ketopt(argc, argv);
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test_getopt(argc, argv2);
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free(argv2);
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return 0;
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}
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