From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 10 Jul 2024 15:17:58 +0000 (+0200)
Subject: terminal-util: try to initialize rows/cols via ansi sequence in make_console_stdio()
X-Git-Tag: v257-rc1~873^2~34
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f6927e3c98002c5a5195364f64eea75d9cb8b395;p=thirdparty%2Fsystemd.git

terminal-util: try to initialize rows/cols via ansi sequence in make_console_stdio()

Let's hook this up.
---

diff --git a/src/basic/terminal-util.c b/src/basic/terminal-util.c
index e707adf6944..d6fd41e3ce0 100644
--- a/src/basic/terminal-util.c
+++ b/src/basic/terminal-util.c
@@ -607,11 +607,12 @@ int make_console_stdio(void) {
                 r = proc_cmdline_tty_size("/dev/console", &rows, &cols);
                 if (r < 0)
                         log_warning_errno(r, "Failed to get terminal size, ignoring: %m");
-                else {
+                else if (r > 0) {
                         r = terminal_set_size_fd(fd, NULL, rows, cols);
                         if (r < 0)
-                                log_warning_errno(r, "Failed to set terminal size, ignoring: %m");
-                }
+                                log_warning_errno(r, "Failed to set configured terminal size, ignoring: %m");
+                } else
+                        (void) terminal_fix_size(fd, fd);
 
                 r = rearrange_stdio(fd, fd, fd); /* This invalidates 'fd' both on success and on failure. */
                 if (r < 0)
@@ -939,7 +940,7 @@ int proc_cmdline_tty_size(const char *tty, unsigned *ret_rows, unsigned *ret_col
         if (ret_cols)
                 *ret_cols = cols;
 
-        return 0;
+        return rows != UINT_MAX || cols != UINT_MAX;
 }
 
 /* intended to be used as a SIGWINCH sighandler */