diff options
Diffstat (limited to 'test/unistd/tstgetopt.c')
-rw-r--r-- | test/unistd/tstgetopt.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/test/unistd/tstgetopt.c b/test/unistd/tstgetopt.c new file mode 100644 index 000000000..97ae2ef25 --- /dev/null +++ b/test/unistd/tstgetopt.c @@ -0,0 +1,76 @@ +#include <getopt.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> + +int +main (int argc, char **argv) +{ + static const struct option options[] = + { + {"required", required_argument, NULL, 'r'}, + {"optional", optional_argument, NULL, 'o'}, + {"none", no_argument, NULL, 'n'}, + {"color", no_argument, NULL, 'C'}, + {"colour", no_argument, NULL, 'C'}, + {NULL, 0, NULL, 0 } + }; + + int aflag = 0; + int bflag = 0; + char *cvalue = NULL; + int Cflag = 0; + int nflag = 0; + int index; + int c; + int result = 0; + + while ((c = getopt_long (argc, argv, "abc:", options, NULL)) >= 0) + switch (c) + { + case 'a': + aflag = 1; + break; + case 'b': + bflag = 1; + break; + case 'c': + cvalue = optarg; + break; + case 'C': + ++Cflag; + break; + case '?': + fputs ("Unknown option.\n", stderr); + return 1; + default: + fprintf (stderr, "This should never happen!\n"); + return 1; + + case 'r': + printf ("--required %s\n", optarg); + result |= strcmp (optarg, "foobar") != 0; + break; + case 'o': + printf ("--optional %s\n", optarg); + result |= optarg == NULL || strcmp (optarg, "bazbug") != 0; + break; + case 'n': + puts ("--none"); + nflag = 1; + break; + } + + printf ("aflag = %d, bflag = %d, cvalue = %s, Cflags = %d, nflag = %d\n", + aflag, bflag, cvalue, Cflag, nflag); + + result |= (aflag != 1 || bflag != 1 || cvalue == NULL + || strcmp (cvalue, "foobar") != 0 || Cflag != 3 || nflag != 1); + + for (index = optind; index < argc; index++) + printf ("Non-option argument %s\n", argv[index]); + + result |= optind + 1 != argc || strcmp (argv[optind], "random") != 0; + + return result; +} |