File 0004-Do-not-memset-when-allocation-fails.patch of Package flac.30364

From c65483e2c20d1e9503ed9cebbdb3280b0ce1c3aa Mon Sep 17 00:00:00 2001
From: Martijn van Beurden <mvanb1@gmail.com>
Date: Fri, 12 Aug 2022 16:30:23 +0200
Subject: [PATCH] Do not memset when allocation fails

Also remove some nearby unused code
---
 src/libFLAC/stream_encoder.c |   24 ++++++++----------------
 1 file changed, 8 insertions(+), 16 deletions(-)

--- a/src/libFLAC/stream_encoder.c
+++ b/src/libFLAC/stream_encoder.c
@@ -2442,25 +2442,17 @@ FLAC__bool resize_buffers_(FLAC__StreamE
 
 	for(i = 0; ok && i < encoder->protected_->channels; i++) {
 		ok = ok && FLAC__memory_alloc_aligned_int32_array(new_blocksize+4+OVERREAD_, &encoder->private_->integer_signal_unaligned[i], &encoder->private_->integer_signal[i]);
-		memset(encoder->private_->integer_signal[i], 0, sizeof(FLAC__int32)*4);
-		encoder->private_->integer_signal[i] += 4;
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
-#if 0 /* @@@ currently unused */
-		if(encoder->protected_->max_lpc_order > 0)
-			ok = ok && FLAC__memory_alloc_aligned_real_array(new_blocksize+OVERREAD_, &encoder->private_->real_signal_unaligned[i], &encoder->private_->real_signal[i]);
-#endif
-#endif
+		if(ok) {
+			memset(encoder->private_->integer_signal[i], 0, sizeof(FLAC__int32)*4);
+			encoder->private_->integer_signal[i] += 4;
+		}
 	}
 	for(i = 0; ok && i < 2; i++) {
 		ok = ok && FLAC__memory_alloc_aligned_int32_array(new_blocksize+4+OVERREAD_, &encoder->private_->integer_signal_mid_side_unaligned[i], &encoder->private_->integer_signal_mid_side[i]);
-		memset(encoder->private_->integer_signal_mid_side[i], 0, sizeof(FLAC__int32)*4);
-		encoder->private_->integer_signal_mid_side[i] += 4;
-#ifndef FLAC__INTEGER_ONLY_LIBRARY
-#if 0 /* @@@ currently unused */
-		if(encoder->protected_->max_lpc_order > 0)
-			ok = ok && FLAC__memory_alloc_aligned_real_array(new_blocksize+OVERREAD_, &encoder->private_->real_signal_mid_side_unaligned[i], &encoder->private_->real_signal_mid_side[i]);
-#endif
-#endif
+		if(ok) {
+			memset(encoder->private_->integer_signal_mid_side[i], 0, sizeof(FLAC__int32)*4);
+			encoder->private_->integer_signal_mid_side[i] += 4;
+		}
 	}
 #ifndef FLAC__INTEGER_ONLY_LIBRARY
 	if(ok && encoder->protected_->max_lpc_order > 0) {