Fix http://bugs.busybox.net/view.php?id=906 which could cause failures in top.

diff --git a/libbb/procps.c b/libbb/procps.c
index b483a326c39575240a851165b4cfc070efd0238b..85549c995547255a6a3732f50aa2ac819d6d99cc 100644 (file)
--- a/libbb/procps.c
+++ b/libbb/procps.c
@@ -28,7 +28,8 @@ static int read_to_buf(const char *filename, void *buf)
        fd = open(filename, O_RDONLY);
        if(fd < 0)
                return -1;
-       ret = read(fd, buf, PROCPS_BUFSIZE);
+       ret = read(fd, buf, PROCPS_BUFSIZE-1);
+       ((char *)buf)[ret > 0 ? ret : 0] = 0;
        close(fd);
        return ret;
 }