From 5b72d17ff642c8d5d20bc1487466c13ebd6cfb45 Mon Sep 17 00:00:00 2001
From: AnotherTest <ali.mpfard@gmail.com>
Date: Wed, 21 Oct 2020 18:06:36 +0330
Subject: [PATCH] Userland: Make `man` provide a `view_width` to
 `render_for_terminal()'

This makes tables actually show up when rendered through `man'
---
 Userland/man.cpp | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/Userland/man.cpp b/Userland/man.cpp
index feb4887aa5..8c53760728 100644
--- a/Userland/man.cpp
+++ b/Userland/man.cpp
@@ -30,10 +30,21 @@
 #include <LibCore/File.h>
 #include <LibMarkdown/Document.h>
 #include <stdio.h>
+#include <sys/ioctl.h>
 #include <unistd.h>
 
 int main(int argc, char* argv[])
 {
+    int view_width = 0;
+    if (isatty(STDOUT_FILENO)) {
+        struct winsize ws;
+        if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) == 0)
+            view_width = ws.ws_col;
+    }
+
+    if (view_width == 0)
+        view_width = 80;
+
     if (pledge("stdio rpath", nullptr) < 0) {
         perror("pledge");
         return 1;
@@ -104,6 +115,6 @@ int main(int argc, char* argv[])
     auto document = Markdown::Document::parse(source);
     ASSERT(document);
 
-    String rendered = document->render_for_terminal();
+    String rendered = document->render_for_terminal(view_width);
     printf("%s", rendered.characters());
 }