X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=src%2Flzx-compress.c;h=61c484318179a383b2f5f1af4dc9bc58b10d67cd;hp=a8e0340138e791d15dbf5e22a4e9eaff681d6e81;hb=db7cd2644605566eefc11c0c992fce670938687c;hpb=1746624a7e5d14dcc73f4f959b1dfa1e6f3c210a

diff --git a/src/lzx-compress.c b/src/lzx-compress.c
index a8e03401..61c48431 100644
--- a/src/lzx-compress.c
+++ b/src/lzx-compress.c
@@ -425,7 +425,7 @@ lzx_write_compressed_tree(struct output_bitstream *out,
 	unsigned i;
 	unsigned len_in_run;
 	unsigned additional_bits;
-	char delta;
+	signed char delta;
 	u8 pretree_sym;
 
 	ZERO_ARRAY(pretree_freqs);
@@ -502,7 +502,7 @@ lzx_write_compressed_tree(struct output_bitstream *out,
 			 * */
 			while (cur_run_len >= 4) {
 				additional_bits = (cur_run_len > 4);
-				delta = -(char)len_in_run;
+				delta = -(signed char)len_in_run;
 				if (delta < 0)
 					delta += 17;
 				pretree_freqs[19]++;
@@ -518,7 +518,7 @@ lzx_write_compressed_tree(struct output_bitstream *out,
 		 * as a difference from the length of that codeword in the
 		 * previous tree. */
 		while (cur_run_len--) {
-			delta = -(char)len_in_run;
+			delta = -(signed char)len_in_run;
 			if (delta < 0)
 				delta += 17;