lib/xz: Add fall-through comments to a switch statement

It's good style. I was also told that GCC 7 is more strict and might
give a warning when such comments are missing.

Signed-off-by: Lasse Collin <[email protected]>
Suggested-by: Andrei Borzenkov <[email protected]>
Signed-off-by: Jiri Kosina <[email protected]>
This commit is contained in:
Lasse Collin authored and Jiri Kosina committed 2017-10-12 15:10:12 +02:00
1 parent ff5abbe799
commit 5a244f48ec
1 file changed
+16
+16
View File
@@ -583,6 +583,8 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)
if (ret != XZ_OK)
return ret;
/* Fall through */
case SEQ_BLOCK_START:
/* We need one byte of input to continue. */
if (b->in_pos == b->in_size)
@@ -606,6 +608,8 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)
s->temp.pos = 0;
s->sequence = SEQ_BLOCK_HEADER;
/* Fall through */
case SEQ_BLOCK_HEADER:
if (!fill_temp(s, b))
return XZ_OK;
@@ -616,6 +620,8 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)
s->sequence = SEQ_BLOCK_UNCOMPRESS;
/* Fall through */
case SEQ_BLOCK_UNCOMPRESS:
ret = dec_block(s, b);
if (ret != XZ_STREAM_END)
@@ -623,6 +629,8 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)
s->sequence = SEQ_BLOCK_PADDING;
/* Fall through */
case SEQ_BLOCK_PADDING:
/*
* Size of Compressed Data + Block Padding
@@ -643,6 +651,8 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)
s->sequence = SEQ_BLOCK_CHECK;
/* Fall through */
case SEQ_BLOCK_CHECK:
if (s->check_type == XZ_CHECK_CRC32) {
ret = crc32_validate(s, b);
@@ -665,6 +675,8 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)
s->sequence = SEQ_INDEX_PADDING;
/* Fall through */
case SEQ_INDEX_PADDING:
while ((s->index.size + (b->in_pos - s->in_start))
& 3) {
@@ -687,6 +699,8 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)
s->sequence = SEQ_INDEX_CRC32;
/* Fall through */
case SEQ_INDEX_CRC32:
ret = crc32_validate(s, b);
if (ret != XZ_STREAM_END)
@@ -695,6 +709,8 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)
s->temp.size = STREAM_HEADER_SIZE;
s->sequence = SEQ_STREAM_FOOTER;
/* Fall through */
case SEQ_STREAM_FOOTER:
if (!fill_temp(s, b))
return XZ_OK;