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authorEric Andersen <andersen@codepoet.org>2002-08-07 12:47:11 +0000
committerEric Andersen <andersen@codepoet.org>2002-08-07 12:47:11 +0000
commit0d1013082a9f7d867e9782a24c672d165359805e (patch)
tree17629033ad8550b598b3a3f459dc959ee7bae6ad /test/unistd/getopt.c
parent91f53c1e984e7ada1910bd0d75ede38f39959fef (diff)
getopt tests
Diffstat (limited to 'test/unistd/getopt.c')
-rw-r--r--test/unistd/getopt.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/test/unistd/getopt.c b/test/unistd/getopt.c
new file mode 100644
index 000000000..401765cc8
--- /dev/null
+++ b/test/unistd/getopt.c
@@ -0,0 +1,69 @@
+/* Getopt tests */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <getopt.h>
+
+
+int main (int argc, char **argv)
+{
+ int c;
+ int digit_optind = 0;
+
+ while (1)
+ {
+ int this_option_optind = optind ? optind : 1;
+
+ c = getopt (argc, argv, "abc:d:0123456789");
+ if (c == EOF)
+ break;
+
+ switch (c)
+ {
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
+ if (digit_optind != 0 && digit_optind != this_option_optind)
+ printf ("digits occur in two different argv-elements.\n");
+ digit_optind = this_option_optind;
+ printf ("option %c\n", c);
+ break;
+
+ case 'a':
+ printf ("option a\n");
+ break;
+
+ case 'b':
+ printf ("option b\n");
+ break;
+
+ case 'c':
+ printf ("option c with value `%s'\n", optarg);
+ break;
+
+ case '?':
+ break;
+
+ default:
+ printf ("?? getopt returned character code 0%o ??\n", c);
+ }
+ }
+
+ if (optind < argc)
+ {
+ printf ("non-option ARGV-elements: ");
+ while (optind < argc)
+ printf ("%s ", argv[optind++]);
+ printf ("\n");
+ }
+ exit (0);
+}
+