Refuse to compress a file smaller than a minimum size.

This commit is contained in:
ckolivas 2011-03-15 10:40:14 +11:00
parent fca5d4232c
commit 091909b552

4
rzip.c
View file

@ -689,6 +689,8 @@ static void mmap_stdin(rzip_control *control, uchar *buf, struct rzip_state *st)
total += ret;
if (ret == 0) {
/* Should be EOF */
if (total < 128)
failure("Will not compress a tiny file\n");
print_maxverbose("Shrinking chunk to %lld\n", total);
buf = (uchar *)mremap(buf, st->chunk_size, total, 0);
if (unlikely(buf == MAP_FAILED))
@ -785,6 +787,8 @@ void rzip_fd(rzip_control *control, int fd_in, int fd_out)
if (!STDIN) {
len = control->st_size = s.st_size;
if (len < 128)
failure("Will not compress a tiny file\n");
print_verbose("File size: %lld\n", len);
} else
control->st_size = 0;