An old tool to detect bad blocks on disk. Will need that RSN :^)

Needs some spicing up.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28722 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/bin/Jamfile

@@ -17,6 +17,7 @@ AddResources urlwrapper : urlwrapper.rdef ;
 
 # standard commands that don't need any additional library
 StdBinCommands
+	badblocks.c
 	cal.c
 	catattr.cpp
 	chop.c

src/bin/badblocks.c

@@ -0,0 +1,39 @@
+#include <stdio.h>
+#include <errno.h>
+#include <fcntl.h>
+
+#define BS 256
+
+char buff[BS];
+
+int main(int argc, char **argv)
+{
+	off_t at = 0LL;
+	off_t block = 0L;
+	int fd;
+	if (argc < 2) {
+		printf("badblocks /dev/disk/...\n");
+		return 1;
+	}
+	fd = open(argv[1], O_RDONLY);
+	if (fd < 0) {
+		perror("open");
+		return 1;
+	}
+	for (; ; block++, at+=BS) {
+		if (lseek(fd, at, SEEK_SET) < 0) {
+			perror("lseek");
+			return 1;
+		}
+		if (read(fd, buff, BS) < BS) {
+			if (errno != EIO && errno != ENXIO) {
+				perror("read");
+				return 1;
+			}
+			printf("%Ld\n", block);
+			fflush(stdout);
+		}
+	}
+	close(fd);
+	return 0;
+}