1 files changed, 57 insertions, 0 deletions
diff --git a/usr/klibc/tests/getoptlong.c b/usr/klibc/tests/getoptlong.c
new file mode 100644
index 0000000..6c019b7
--- /dev/null
+++ b/usr/klibc/tests/getoptlong.c
@@ -0,0 +1,57 @@
+/*
+ * 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;
+}