#include <config.h>
#include "tailor.h"
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-#ifdef HAVE_FCNTL_H
-# include <fcntl.h>
-#endif
+#include <unistd.h>
+#include <fcntl.h>
#include "gzip.h"
#include "lzw.h"
int o;
resetbuf:
- e = insize-(o = (posbits>>3));
+ o = posbits >> 3;
+ e = o <= insize ? insize - o : 0;
for (i = 0 ; i < e ; ++i) {
inbuf[i] = inbuf[i+o];