update

2026-08-18 09:20:44 +02:00
commit b826cd721a
522 changed files with 93730 additions and 0 deletions
@@ -0,0 +1,35 @@
+#include <sys/types.h>
+#include <sys/mount.h>
+#include <sys/uio.h>
+
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+
+int
+main(int argc, char **argv)
+{
+	struct iovec options[6];
+	int result;
+
+	if (argc != 3) {
+		fprintf(stderr, "usage: B21-qemu-probe DEVICE MOUNTPOINT\n");
+		return (2);
+	}
+	options[0].iov_base = "fstype";
+	options[0].iov_len = sizeof("fstype");
+	options[1].iov_base = "erofs";
+	options[1].iov_len = sizeof("erofs");
+	options[2].iov_base = "fspath";
+	options[2].iov_len = sizeof("fspath");
+	options[3].iov_base = argv[2];
+	options[3].iov_len = strlen(argv[2]) + 1;
+	options[4].iov_base = "from";
+	options[4].iov_len = sizeof("from");
+	options[5].iov_base = argv[1];
+	options[5].iov_len = strlen(argv[1]) + 1;
+	errno = 0;
+	result = nmount(options, sizeof(options) / sizeof(options[0]), MNT_RDONLY);
+	printf("rc=%d errno=%d\n", result, result == -1 ? errno : 0);
+	return (0);
+}