update

tests/pre15/fixtures/B14-chunk-probe.c

@@ -0,0 +1,69 @@
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+static int
+fail(const char *message)
+{
+	fprintf(stderr, "%s\n", message);
+	return (1);
+}
+
+int
+main(int argc, char **argv)
+{
+	char target[256];
+	ssize_t length;
+	int descriptor;
+
+	if (argc < 3)
+		return (fail("usage: B14-chunk-probe OP PATH [TARGET]"));
+	if (strcmp(argv[1], "readlink-pass") == 0) {
+		if (argc != 4)
+			return (fail("readlink-pass requires an expected target"));
+		length = readlink(argv[2], target, sizeof(target));
+		if (length < 0)
+			return (fail("readlink-pass unexpectedly failed"));
+		if ((size_t)length != strlen(argv[3]) ||
+		    memcmp(target, argv[3], (size_t)length) != 0)
+			return (fail("readlink-pass returned the wrong target"));
+		return (0);
+	}
+	if (strcmp(argv[1], "readlink-integrity") == 0) {
+		errno = 0;
+		if (readlink(argv[2], target, sizeof(target)) >= 0 ||
+		    errno != EINTEGRITY)
+			return (fail("readlink did not return EINTEGRITY"));
+		return (0);
+	}
+	if (strcmp(argv[1], "open-unsupported") == 0) {
+		errno = 0;
+		descriptor = open(argv[2], O_RDONLY | O_NONBLOCK);
+		if (descriptor >= 0) {
+			close(descriptor);
+			return (fail("special vnode unexpectedly opened"));
+		}
+		if (errno != EOPNOTSUPP)
+			return (fail("special vnode did not return EOPNOTSUPP"));
+		return (0);
+	}
+	if (strcmp(argv[1], "stat-integrity") == 0 ||
+	    strcmp(argv[1], "stat-unsupported") == 0) {
+		struct stat status;
+		int expected;
+
+		expected = strcmp(argv[1], "stat-integrity") == 0 ?
+		    EINTEGRITY : EOPNOTSUPP;
+		errno = 0;
+		if (lstat(argv[2], &status) == 0 || errno != expected)
+			return (fail("stat did not return the expected errno"));
+		return (0);
+	}
+	return (fail("unknown B14 probe operation"));
+}