Red Bear OS
1b3e94a20d
From release 0.1.0 pre-patched archive. This includes all Red Bear modifications previously maintained as patches in local/patches/relibc/.
67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
#include <getopt.h>
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#include <stdio.h>
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#include "test_helpers.h"
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#define RUN(...) \
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do { \
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optind = 1; \
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optarg = NULL; \
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opterr = 1; \
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optopt = -1; \
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char *args_arr[] = { __VA_ARGS__ }; \
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runner(sizeof(args_arr) / sizeof(char*), args_arr); \
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} while (0)
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void runner(int argc, char *argv[]) {
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printf("--- Running:");
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for (int i = 0; i < argc; i += 1) {
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printf(" %s", argv[i]);
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}
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puts("");
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static int flag = 0;
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static struct option long_options[] = {
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{"test0", no_argument, NULL, 1},
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{"test1", no_argument, &flag, 2},
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{"test2", optional_argument, NULL, 3},
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{"test3", required_argument, NULL, 4},
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{NULL, 0, NULL, 5},
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};
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int option_index = 0;
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int c;
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while((c = getopt_long(argc, argv, ":a", long_options, &option_index)) != -1) {
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switch(c) {
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case 'a':
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printf("Option -a with value %s\n", optarg);
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break;
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case ':':
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printf("unrecognized argument: -%c\n", optopt);
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break;
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case '?':
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printf("error: -%c\n", optopt);
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break;
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default:
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printf("getopt_long returned %d, ", c);
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if (flag) {
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printf("set flag to %d, ", flag);
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flag = 0;
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}
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printf("argument %s=%s\n", long_options[option_index].name, optarg);
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break;
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}
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}
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}
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int main(void) {
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RUN("test", "--test0", "-a");
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RUN("test", "--test1", "-a");
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RUN("test", "--test2", "-a");
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RUN("test", "--test2=arg", "-a");
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RUN("test", "--test3", "-a");
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RUN("test", "--test3=arg", "-a");
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RUN("test", "--test3", "arg", "-a");
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}
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