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Check seek hasn't made the pseudo file longer.

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Con Kolivas 2011-03-14 11:12:12 +11:00
parent 19ef7298c8
commit 7eabb5e7de
1 changed files with 4 additions and 0 deletions
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4
runzip.c
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@ -85,6 +85,8 @@ static i64 seekto_fdout(rzip_control *control, i64 pos)
if (!TMP_OUTBUF)
return lseek(control->fd_out, pos, SEEK_SET);
control->out_ofs = pos - control->rel_ofs;
if (control->out_ofs > control->out_len)
control->out_len = control->out_ofs;
if (unlikely(control->out_ofs < 0 || control->out_ofs > control->out_maxlen)) {
print_err("Trying to seek outside tmpoutbuf in seekto_fdout\n");
return -1;
@ -97,6 +99,8 @@ static i64 seekto_fdhist(rzip_control *control, i64 pos)
if (!TMP_OUTBUF)
return lseek(control->fd_hist, pos, SEEK_SET);
control->hist_ofs = pos - control->rel_ofs;
if (control->hist_ofs > control->out_len)
control->out_len = control->hist_ofs;
if (unlikely(control->hist_ofs < 0 || control->hist_ofs > control->out_maxlen)) {
print_err("Trying to seek outside tmpoutbuf in seekto_fdhist\n");
return -1;