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lib: Fix fall-through warnings for Clang

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In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple
warnings by explicitly adding multiple break statements instead of
letting the code fall through to the next case, and by replacing a
number of /* fall through */ comments with the new pseudo-keyword
macro fallthrough.

Notice that Clang doesn't recognize /* Fall through */ comments as
implicit fall-through markings.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
This commit is contained in:
Gustavo A. R. Silva
2020-11-19 07:11:44 -06:00
parent 49a4136505
commit 36f9ff9e03
7 changed files with 18 additions and 13 deletions
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1
lib/zstd/bitstream.h
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@@ -269,6 +269,7 @@ ZSTD_STATIC size_t BIT_initDStream(BIT_DStream_t *bitD, const void *srcBuffer, s
case 3: bitD->bitContainer += (size_t)(((const BYTE *)(srcBuffer))[2]) << 16;
fallthrough;
case 2: bitD->bitContainer += (size_t)(((const BYTE *)(srcBuffer))[1]) << 8;
fallthrough;
default:;
}
{

1
lib/zstd/huf_compress.c
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@@ -560,6 +560,7 @@ size_t HUF_compress1X_usingCTable(void *dst, size_t dstSize, const void *src, si
case 2: HUF_encodeSymbol(&bitC, ip[n + 1], CTable); HUF_FLUSHBITS_1(&bitC);
fallthrough;
case 1: HUF_encodeSymbol(&bitC, ip[n + 0], CTable); HUF_FLUSHBITS(&bitC);
fallthrough;
case 0:
default:;
}