From: Andre Noll <maan@tuebingen.mpg.de>
Date: Sun, 15 Jul 2018 20:15:42 +0000 (+0200)
Subject: compress: Use unsigned constant for definition of mask.
X-Git-Tag: v0.6.3~86
X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=commitdiff_plain;h=61c926ac50ecd72cbcca5727b85f11b8f35584e7

compress: Use unsigned constant for definition of mask.

Without this, the integer constant is of signed type, which may cause
problems when blocksize is 31.
---

diff --git a/compress_filter.c b/compress_filter.c
index d26fe233..69a982ef 100644
--- a/compress_filter.c
+++ b/compress_filter.c
@@ -49,7 +49,7 @@ static int compress_post_select(__a_unused struct sched *s, void *context)
 	int16_t *ip, *op;
 	uint32_t inertia = U32_OPTVAL(INERTIA, fn->lpr);
 	unsigned gain_shift = inertia + U32_OPTVAL(DAMP, fn->lpr),
-		mask = (1 << U32_OPTVAL(BLOCKSIZE, fn->lpr)) - 1;
+		mask = (1U << U32_OPTVAL(BLOCKSIZE, fn->lpr)) - 1U;
 	//inplace = false;
 next_buffer:
 	ret = btr_node_status(btrn, fn->min_iqs, BTR_NT_INTERNAL);