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authorRobert Pluim <rpluim@gmail.com>2018-12-14 15:04:14 +0100
committerRobert Pluim <rpluim@gmail.com>2018-12-14 15:05:20 +0100
commitf14d5742db39b797f742566c4e68dffa9a62646d (patch)
tree9076714aeb8383f915d88a420427de063b4f0f44
parentf519aa10b47f7c652ae9b5f021363073f5c463ff (diff)
downloademacs-f14d5742db39b797f742566c4e68dffa9a62646d.tar.gz
Document font structure layout constraints
The layout of the initial members of ftcrfont_info must match ftfont_info * src/ftcrfont.c (struct ftcrfont_info): Likewise. * src/ftfont.c (struct ftfont_info): Document layout constraints.
-rw-r--r--src/ftcrfont.c5
-rw-r--r--src/ftfont.c5
2 files changed, 6 insertions, 4 deletions
diff --git a/src/ftcrfont.c b/src/ftcrfont.c
index 614ef083701..d19c300c5b0 100644
--- a/src/ftcrfont.c
+++ b/src/ftcrfont.c
@@ -35,8 +35,9 @@ along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. */
struct ftcrfont_info
{
struct font font;
- /* The following six members must be here in this order to be
- compatible with struct ftfont_info (in ftfont.c). */
+ /* The following members up to and including 'matrix' must be here
+ in this order to be compatible with struct ftfont_info (in
+ ftfont.c). */
#ifdef HAVE_LIBOTF
bool maybe_otf; /* Flag to tell if this may be OTF or not. */
OTF *otf;
diff --git a/src/ftfont.c b/src/ftfont.c
index 8f048d2983b..a05aa12c2af 100644
--- a/src/ftfont.c
+++ b/src/ftfont.c
@@ -56,8 +56,9 @@ struct ftfont_info
{
struct font font;
#ifdef HAVE_LIBOTF
- /* The following four members must be here in this order to be
- compatible with struct xftfont_info (in xftfont.c). */
+ /* The following members up to and including 'matrix' must be here in
+ this order to be compatible with struct xftfont_info (in
+ xftfont.c). */
bool maybe_otf; /* Flag to tell if this may be OTF or not. */
OTF *otf;
#endif /* HAVE_LIBOTF */