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-rw-r--r--toolbox/hd.c4
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;
}