xz: add fallthrough annotations to silence GCC7 warning

The fallthrough is intentional (or at least appears to be), and I'd rather not have warnings show up in the skiboot build at all. Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
open-power · Jul 12, 2017 · 63db51d · 63db51d
1 parent 0751c40
commit 63db51d
Show file tree

Hide file tree

Showing 2 changed files with 8 additions and 8 deletions.
diff --git a/libxz/xz_dec_lzma2.c b/libxz/xz_dec_lzma2.c
@@ -1042,7 +1042,7 @@ XZ_EXTERN enum xz_ret xz_dec_lzma2_run(struct xz_dec_lzma2 *s,
                 return XZ_DATA_ERROR;
 
             s->lzma2.sequence = SEQ_LZMA_PREPARE;
-
+	    /* fallthrough */
         case SEQ_LZMA_PREPARE:
             if (s->lzma2.compressed < RC_INIT_BYTES)
                 return XZ_DATA_ERROR;
@@ -1052,7 +1052,7 @@ XZ_EXTERN enum xz_ret xz_dec_lzma2_run(struct xz_dec_lzma2 *s,
 
             s->lzma2.compressed -= RC_INIT_BYTES;
             s->lzma2.sequence = SEQ_LZMA_RUN;
-
+	    /* fallthrough */
         case SEQ_LZMA_RUN:
             /*
              * Set dictionary limit to indicate how much we want

diff --git a/libxz/xz_dec_stream.c b/libxz/xz_dec_stream.c
@@ -603,7 +603,7 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)
             ret = dec_stream_header(s);
             if (ret != XZ_OK)
                 return ret;
-
+	    /* fallthrough */
         case SEQ_BLOCK_START:
             /* We need one byte of input to continue. */
             if (b->in_pos == b->in_size)
@@ -626,7 +626,7 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)
             s->temp.size = s->block_header.size;
             s->temp.pos = 0;
             s->sequence = SEQ_BLOCK_HEADER;
-
+	    /* fallthrough */
         case SEQ_BLOCK_HEADER:
             if (!fill_temp(s, b))
                 return XZ_OK;
@@ -636,7 +636,7 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)
                 return ret;
 
             s->sequence = SEQ_BLOCK_UNCOMPRESS;
-
+	    /* fallthrough */
         case SEQ_BLOCK_UNCOMPRESS:
             ret = dec_block(s, b);
             if (ret != XZ_STREAM_END)
@@ -663,7 +663,7 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)
             }
 
             s->sequence = SEQ_BLOCK_CHECK;
-
+	    /* fallthrough */
         case SEQ_BLOCK_CHECK:
             if (s->check_type == XZ_CHECK_CRC32) {
                 ret = crc_validate(s, b, 32);
@@ -712,15 +712,15 @@ static enum xz_ret dec_main(struct xz_dec *s, struct xz_buf *b)
                 return XZ_DATA_ERROR;
 
             s->sequence = SEQ_INDEX_CRC32;
-
+	    /* fallthrough */
         case SEQ_INDEX_CRC32:
             ret = crc_validate(s, b, 32);
             if (ret != XZ_STREAM_END)
                 return ret;
 
             s->temp.size = STREAM_HEADER_SIZE;
             s->sequence = SEQ_STREAM_FOOTER;
-
+	    /* fallthrough */
         case SEQ_STREAM_FOOTER:
             if (!fill_temp(s, b))
                 return XZ_OK;