From: Nathan Moinvaziri <nathan@nathanm.com>
Date: Mon, 25 May 2020 22:26:37 +0000 (-0700)
Subject: Fixed dist casting warnings in zng_tr_tally_dist.
X-Git-Tag: 1.9.9-b1~258
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d569bfe23acf2983c6e97aea89e3db5954c33e96;p=thirdparty%2Fzlib-ng.git

Fixed dist casting warnings in zng_tr_tally_dist.

    deflate_p.h(42,37): warning C4244: '=': conversion from 'unsigned int' to 'unsigned char', possible loss of data
    deflate_p.h(43,42): warning C4244: '=': conversion from 'unsigned int' to 'unsigned char', possible loss of data
---

diff --git a/deflate_p.h b/deflate_p.h
index b519d45c2..698390208 100644
--- a/deflate_p.h
+++ b/deflate_p.h
@@ -39,8 +39,8 @@ static inline int zng_tr_tally_lit(deflate_state *s, unsigned char c) {
 static inline int zng_tr_tally_dist(deflate_state *s, unsigned dist, unsigned char len) {
     /* dist: distance of matched string */
     /* len: match length-MIN_MATCH */
-    s->sym_buf[s->sym_next++] = dist;
-    s->sym_buf[s->sym_next++] = dist >> 8;
+    s->sym_buf[s->sym_next++] = (uint8_t)(dist);
+    s->sym_buf[s->sym_next++] = (uint8_t)(dist >> 8);
     s->sym_buf[s->sym_next++] = len;
     s->matches++;
     dist--;