From: Eric Biggers <ebiggers3@gmail.com>
Date: Tue, 27 May 2014 16:23:22 +0000 (-0500)
Subject: lzx-decompress.c:  One fewer branch in undo_call_insn_translation()
X-Git-Tag: v1.7.0~77
X-Git-Url: https://wimlib.net/git/?p=wimlib;a=commitdiff_plain;h=21aa9ea9e342f2bfb2b4752dd4a382cf9d4c048b;ds=sidebyside

lzx-decompress.c:  One fewer branch in undo_call_insn_translation()
---

diff --git a/src/lzx-decompress.c b/src/lzx-decompress.c
index f7f66616..da8950a2 100644
--- a/src/lzx-decompress.c
+++ b/src/lzx-decompress.c
@@ -672,15 +672,20 @@ undo_call_insn_translation(u32 *call_insn_target, s32 input_pos)
 	s32 rel_offset;
 
 	abs_offset = le32_to_cpu(*call_insn_target);
-	if (abs_offset >= -input_pos && abs_offset < LZX_WIM_MAGIC_FILESIZE) {
-		if (abs_offset >= 0) {
+	if (abs_offset >= 0) {
+		if (abs_offset < LZX_WIM_MAGIC_FILESIZE) {
 			/* "good translation" */
 			rel_offset = abs_offset - input_pos;
-		} else {
+
+			*call_insn_target = cpu_to_le32(rel_offset);
+		}
+	} else {
+		if (abs_offset >= -input_pos) {
 			/* "compensating translation" */
 			rel_offset = abs_offset + LZX_WIM_MAGIC_FILESIZE;
+
+			*call_insn_target = cpu_to_le32(rel_offset);
 		}
-		*call_insn_target = cpu_to_le32(rel_offset);
 	}
 }