shrink BZ2_RNUMS

Author: folkertdev

libbz2-rs-sys/src/bzlib.rs

@@ -621,10 +621,10 @@ pub(crate) struct DState {
     pub blockRandomised: bool,
     pub blockSize100k: u8,
     pub k0: u8,
-    pub rNToGo: i32,
-    pub rTPos: i32,
     pub bsBuff: u64,
     pub bsLive: i32,
+    pub rNToGo: u16,
+    pub rTPos: u16,
     pub smallDecompress: DecompressMode,
     pub currBlockNo: i32,
     pub verbosity: i32,

libbz2-rs-sys/src/randtable.rs

@@ -1,4 +1,6 @@
-pub(crate) static BZ2_RNUMS: [i32; 512] = [
+pub(crate) static BZ2_RNUMS: [u16; 512] = NUMS;
+
+const NUMS: [u16; 512] = [
     619, 720, 127, 481, 931, 816, 813, 233, 566, 247, 985, 724, 205, 454, 863, 491, 741, 242, 949,
     214, 733, 859, 335, 708, 621, 574, 73, 654, 730, 472, 419, 436, 278, 496, 867, 210, 399, 680,
     480, 51, 878, 465, 811, 169, 869, 675, 611, 697, 867, 561, 862, 687, 507, 283, 482, 129, 807,
@@ -27,3 +29,11 @@ pub(crate) static BZ2_RNUMS: [i32; 512] = [
     210, 389, 550, 919, 135, 780, 773, 635, 389, 707, 100, 626, 958, 165, 504, 920, 176, 193, 713,
     857, 265, 203, 50, 668, 108, 645, 990, 626, 197, 510, 357, 358, 850, 858, 364, 936, 638,
 ];
+
+const _: () = {
+    let mut i = 0;
+    while i < NUMS.len() {
+        assert!(NUMS[i] != 0);
+        i += 1;
+    }
+};