Prepare for '-Wimplicit-fallthrough'

[lttng-tools.git] / src / common / hashtable / utils.cpp

diff --git a/src/common/hashtable/utils.cpp b/src/common/hashtable/utils.cpp
index 3bc2b5e914f05266b7fa711369ee1b7395c2287c..ae34767f0b4020ec466f85555bef4c4fca01b72e 100644 (file)
--- a/src/common/hashtable/utils.cpp
+++ b/src/common/hashtable/utils.cpp
@@ -1,9 +1,9 @@
 /*
  * Copyright (C) 2006 Bob Jenkins
- * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca>
+ * Copyright (C) 2011 EfficiOS Inc.
  * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
- * SPDX-License-Identifier: GPL-2.0-only
+ * SPDX-License-Identifier: LGPL-2.1-only
  *
  */
 
@@ -226,11 +226,14 @@ static void __attribute__((unused)) hashword2(const uint32_t *k, size_t length,
        switch (length) {
        case 3 :
                c += k[2];
+               /* fall through */
        case 2 :
                b += k[1];
+               /* fall through */
        case 1 :
                a += k[0];
                final(a, b, c);
+               /* fall through */
        case 0:     /* case 0: nothing left to add */
                break;
        }
@@ -416,17 +419,17 @@ static uint32_t hashlittle(const void *key,
                }
 
                switch(length) {                  /* all the case statements fall through */
-               case 12: c+=((uint32_t)k[11])<<24;
-               case 11: c+=((uint32_t)k[10])<<16;
-               case 10: c+=((uint32_t)k[9])<<8;
-               case 9: c+=k[8];
-               case 8: b+=((uint32_t)k[7])<<24;
-               case 7: b+=((uint32_t)k[6])<<16;
-               case 6: b+=((uint32_t)k[5])<<8;
-               case 5: b+=k[4];
-               case 4: a+=((uint32_t)k[3])<<24;
-               case 3: a+=((uint32_t)k[2])<<16;
-               case 2: a+=((uint32_t)k[1])<<8;
+               case 12: c+=((uint32_t)k[11])<<24; /* fall through */
+               case 11: c+=((uint32_t)k[10])<<16; /* fall through */
+               case 10: c+=((uint32_t)k[9])<<8; /* fall through */
+               case 9: c+=k[8]; /* fall through */
+               case 8: b+=((uint32_t)k[7])<<24; /* fall through */
+               case 7: b+=((uint32_t)k[6])<<16; /* fall through */
+               case 6: b+=((uint32_t)k[5])<<8; /* fall through */
+               case 5: b+=k[4]; /* fall through */
+               case 4: a+=((uint32_t)k[3])<<24; /* fall through */
+               case 3: a+=((uint32_t)k[2])<<16; /* fall through */
+               case 2: a+=((uint32_t)k[1])<<8; /* fall through */
                case 1:
                        a+=k[0];
                        break;