From 0885d1e2839bb5a74fcec2107c9d1f061cb9c4a9 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Tue, 15 Apr 2025 10:36:51 -0400
Subject: bfstd: Add a tcsetwinsize() polyfill

---
 src/bfstd.c | 8 ++++++++
 src/bfstd.h | 5 +++++
 2 files changed, 13 insertions(+)

(limited to 'src')

diff --git a/src/bfstd.c b/src/bfstd.c
index 64cc605..4269d55 100644
--- a/src/bfstd.c
+++ b/src/bfstd.c
@@ -568,6 +568,14 @@ int xtcgetwinsize(int fd, struct winsize *ws) {
 #endif
 }
 
+int xtcsetwinsize(int fd, const struct winsize *ws) {
+#if BFS_HAS_TCSETWINSIZE
+	return tcsetwinsize(fd, ws);
+#else
+	return ioctl(fd, TIOCSWINSZ, ws);
+#endif
+}
+
 int dup_cloexec(int fd) {
 #ifdef F_DUPFD_CLOEXEC
 	return fcntl(fd, F_DUPFD_CLOEXEC, 0);
diff --git a/src/bfstd.h b/src/bfstd.h
index a17ce95..51920c9 100644
--- a/src/bfstd.h
+++ b/src/bfstd.h
@@ -350,6 +350,11 @@ int open_cterm(int flags);
  */
 int xtcgetwinsize(int fd, struct winsize *ws);
 
+/**
+ * tcsetwinsize()/ioctl(TIOCSWINSZ) wrapper.
+ */
+int xtcsetwinsize(int fd, const struct winsize *ws);
+
 // #include <unistd.h>
 
 /**
-- 
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