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Tsirkin" , Laurent Vivier , Amit Shah , Markus Armbruster , Eric Blake , Eduardo Habkost , Marcel Apfelbaum , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Yanan Wang , Zhao Liu , Szymon Lukasz , Filip Hejsek X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1757648576; l=2276; i=filip.hejsek@gmail.com; s=20250912; h=from:subject:message-id; bh=qKds+se7c4I8+/AcqhGDFyyVfjfxbvfkq+ChYOtNMzo=; b=Qz5gH8v3Vkob6UJw0Uc6Or4J/AKAFSF/tsOgz+XaBNTU9yJBczpx8EHeegYrVj7oF0SwckG4v IUWH/b42DYQCJo1Ox1Ef1Ow1ejW3rNFYFBxe8z5nxUAKmGrSCsRJ+Uz X-Developer-Key: i=filip.hejsek@gmail.com; a=ed25519; pk=nakB8gEK3oi+Q/5dBTMCy/LgZL47NP60z1jeDR6O/WU= Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::330; envelope-from=filip.hejsek@gmail.com; helo=mail-wm1-x330.google.com X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, DKIM_INVALID=0.1, DKIM_SIGNED=0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1757648860903116600 From: Szymon Lukasz These fields should be interpreted as the size of the terminal connected to a given chardev. Signed-off-by: Szymon Lukasz Signed-off-by: Filip Hejsek --- chardev/char-fe.c | 13 +++++++++++++ include/chardev/char-fe.h | 10 ++++++++++ include/chardev/char.h | 1 + 3 files changed, 24 insertions(+) diff --git a/chardev/char-fe.c b/chardev/char-fe.c index 158a5f4f551ee49120eee6ebdf772fb450739f47..8622898bd414c208b5a0397b439= e18a8bf0b8a92 100644 --- a/chardev/char-fe.c +++ b/chardev/char-fe.c @@ -329,6 +329,19 @@ void qemu_chr_fe_set_echo(CharBackend *be, bool echo) } } =20 +void qemu_chr_fe_get_winsize(CharBackend *be, uint16_t *cols, uint16_t *ro= ws) +{ + Chardev *chr =3D be->chr; + + if (chr) { + *cols =3D chr->cols; + *rows =3D chr->rows; + } else { + *cols =3D 0; + *rows =3D 0; + } +} + void qemu_chr_fe_set_open(CharBackend *be, bool is_open) { Chardev *chr =3D be->chr; diff --git a/include/chardev/char-fe.h b/include/chardev/char-fe.h index 8ef05b3dd095bdcaa51b10482261a29b1e8233c7..02d5606fa343ac64a76f48dcd25= 0b5431a0a7761 100644 --- a/include/chardev/char-fe.h +++ b/include/chardev/char-fe.h @@ -158,6 +158,16 @@ int qemu_chr_fe_wait_connected(CharBackend *be, Error = **errp); */ void qemu_chr_fe_set_echo(CharBackend *be, bool echo); =20 +/** + * qemu_chr_fe_get_winsize: + * @cols: the address for storing columns + * @rows: the address for storing rows + * + * Get the size of the terminal connected to the chardev backend. + * Returns *cols =3D *rows =3D 0, if no associated Chardev. + */ +void qemu_chr_fe_get_winsize(CharBackend *be, uint16_t *cols, uint16_t *ro= ws); + /** * qemu_chr_fe_set_open: * @be: a CharBackend diff --git a/include/chardev/char.h b/include/chardev/char.h index 429852f8d9d3c5a7e061acea3561b019b15d658f..336b2e68d099e70a9abe71ef842= b160bf12ea932 100644 --- a/include/chardev/char.h +++ b/include/chardev/char.h @@ -65,6 +65,7 @@ struct Chardev { char *filename; int logfd; int be_open; + uint16_t cols, rows; /* used to coordinate the chardev-change special-case: */ bool handover_yank_instance; GSource *gsource; --=20 2.51.0