add linux specific stty outputv0.0.13v0.0.12

1 files changed, 44 insertions, 0 deletions

diff --git a/termSize_linux.go b/termSize_linux.go
new file mode 100644
index 0000000..34201ac
--- /dev/null
+++ b/termSize_linux.go
@@ -0,0 +1,44 @@
+package cobol
+
+import (
+	"os"
+
+	"go.wit.com/log"
+	"golang.org/x/term"
+)
+
+func osTerminalWidth() (int, bool) {
+	w, _, err := ttyGetSize()
+	if err == nil {
+		return w, true
+	}
+
+	// term.IsTerminal checks if the given file descriptor is connected to a terminal.
+	// We use os.Stdout.Fd() to check the standard output.
+	if term.IsTerminal(int(os.Stdout.Fd())) {
+		var err error
+		// term.GetSize returns the dimensions of the given terminal.
+		WIDTH, _, err = term.GetSize(int(os.Stdout.Fd()))
+		if err != nil {
+			// If we can't get the size for some reason, fall back to the default.
+			log.Printf("could not get terminal size: %v", err)
+			return WIDTH, false
+		}
+		return WIDTH, true
+	}
+
+	// If it's not a terminal, return the default width.
+	return WIDTH, false
+}
+
+func ttyGetSize() (int, int, error) {
+	tty, err := os.Open("/dev/tty")
+	if err != nil {
+		return 0, 0, err
+	}
+	w, h, err := term.GetSize(int(tty.Fd()))
+	if err != nil {
+		log.Info("linux.osTerminalWidth tty.Fd() err", w, h, err)
+	}
+	return w, h, err
+}