diff options
| -rw-r--r-- | toolbox/hd.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/toolbox/hd.c b/toolbox/hd.c index da31245..0d2f96a 100644 --- a/toolbox/hd.c +++ b/toolbox/hd.c @@ -68,6 +68,8 @@ int hd_main(int argc, char *argv[]) if(count > 0 && base + count - filepos < read_len) read_len = base + count - filepos; res = read(fd, &buf, read_len); + if(res == 0) + break; for(i = 0; i < res; i++) { if((i & 15) == 0) { printf("%08x: ", filepos + i); @@ -80,7 +82,7 @@ int hd_main(int argc, char *argv[]) lsum = 0; } } - if(res <= 0) { + if(res < 0) { printf("Read error on %s, offset %d len %d, %s\n", argv[optind], filepos, read_len, strerror(errno)); return 1; } |