Handle -Wstringop-truncation warning in HandleOverlayDef()

In function ‘HandleOverlayDef’,
    inlined from ‘HandleSectionBody’ at geometry.c:2778:18,
    inlined from ‘HandleSectionDef’ at geometry.c:2818:10,
    inlined from ‘HandleGeometryFile’ at geometry.c:2864:18:
geometry.c:2573:9: warning: ‘strncpy’ output may be truncated copying
 4 bytes from a string of length 4 [-Wstringop-truncation]
 2573 |         strncpy(key->over, keyDef->over, XkbKeyNameLength);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
geometry.c:2574:9: warning: ‘strncpy’ output may be truncated copying
 4 bytes from a string of length 4 [-Wstringop-truncation]
 2574 |         strncpy(key->under, keyDef->under, XkbKeyNameLength);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/geometry.c b/geometry.c
index 50df5eb..241f8d9 100644
--- a/geometry.c
+++ b/geometry.c
@@ -2570,8 +2570,8 @@ HandleOverlayDef(OverlayDef * def,
             }
             return False;
         }
-        strncpy(key->over, keyDef->over, XkbKeyNameLength);
-        strncpy(key->under, keyDef->under, XkbKeyNameLength);
+        strncpy(key->over, keyDef->over, sizeof(key->over));
+        strncpy(key->under, keyDef->under, sizeof(key->under));
         key->sectionRow = _GOK_UnknownRow;
         key->overlayRow = _GOK_UnknownRow;
         ol.keys = (OverlayKeyInfo *) AddCommonInfo(&ol.keys->defs,