Ztring.cpp: Explicitly state that fallthrough is wanted

GCC10 warns about this switch case because cases "fall through" the
bottom. Adding a simple comment fixes the warning.
Note: C++17 has `[[fallthrough]]` but ZenLib supports older C++ versions
as well.

1 files changed, 5 insertions, 0 deletions

diff --git a/Source/ZenLib/Ztring.cpp b/Source/ZenLib/Ztring.cpp
index 500b200..bc38fe4 100644
--- a/Source/ZenLib/Ztring.cpp
+++ b/Source/ZenLib/Ztring.cpp
@@ -1643,18 +1643,23 @@ std::string Ztring::To_UTF8 () const
             case 6:

                 utf8chars[5] = 0x80 | (wc & 0x3f);

                 wc = (wc >> 6) | 0x4000000;

+                /* fallthrough */

             case 5:

                 utf8chars[4] = 0x80 | (wc & 0x3f);

                 wc = (wc >> 6) | 0x200000;

+                /* fallthrough */

             case 4:

                 utf8chars[3] = 0x80 | (wc & 0x3f);

                 wc = (wc >> 6) | 0x10000;

+                /* fallthrough */

             case 3:

                 utf8chars[2] = 0x80 | (wc & 0x3f);

                 wc = (wc >> 6) | 0x800;

+                /* fallthrough */

             case 2:

                 utf8chars[1] = 0x80 | (wc & 0x3f);

                 wc = (wc >> 6) | 0xc0;

+                /* fallthrough */

             case 1:

                 utf8chars[0] = (char) wc;

             }