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| author | dfr <dfr@FreeBSD.org> | 2008-04-05 10:26:20 +0000 |
|---|---|---|
| committer | dfr <dfr@FreeBSD.org> | 2008-04-05 10:26:20 +0000 |
| commit | b7878b140b0742e16832be9bd2c17346af36a5b4 (patch) | |
| tree | 9c3af79ed47f2a88777f35487bf35109ca468601 /usr.sbin/btxld | |
| parent | 871b77b7f6c530a18f4e76a2c283b09678c70c9f (diff) | |
| download | FreeBSD-src-b7878b140b0742e16832be9bd2c17346af36a5b4.zip FreeBSD-src-b7878b140b0742e16832be9bd2c17346af36a5b4.tar.gz | |
Allow for a zero length 'loader'.
Diffstat (limited to 'usr.sbin/btxld')
| -rw-r--r-- | usr.sbin/btxld/btxld.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/usr.sbin/btxld/btxld.c b/usr.sbin/btxld/btxld.c index f255fa5..43fa4a9 100644 --- a/usr.sbin/btxld/btxld.c +++ b/usr.sbin/btxld/btxld.c @@ -336,6 +336,8 @@ gethdr(int fd, struct hdr *hdr) if (sb.st_size > MAXU32) errx(1, "%s: Too big", fname); hdr->size = sb.st_size; + if (!hdr->size) + return; if ((p = mmap(NULL, hdr->size, PROT_READ, MAP_SHARED, fd, 0)) == MAP_FAILED) err(2, "%s", fname); |
