Avoid casting an out-of-range value to long.

8 years ago · 2edb94a302
parent e08118c401
commit 2edb94a302
1 changed files with 1 additions and 1 deletions
--- a/inflate.c
+++ b/inflate.c
@ -1526,7 +1526,7 @@ z_streamp strm;
    struct inflate_state FAR *state;

    if (strm == Z_NULL || strm->state == Z_NULL)
-        return (long)(((unsigned long)0 - 1) << 16);
+        return -(1L << 16);
    state = (struct inflate_state FAR *)strm->state;
    return (long)(((unsigned long)((long)state->back)) << 16) +
        (state->mode == COPY ? state->length :