diff options
Diffstat (limited to 'gdb/utils.c')
| -rw-r--r-- | gdb/utils.c | 37 |
1 files changed, 31 insertions, 6 deletions
diff --git a/gdb/utils.c b/gdb/utils.c index 2fb7476..4bb2f34 100644 --- a/gdb/utils.c +++ b/gdb/utils.c @@ -1444,25 +1444,50 @@ emit_style_escape (const ui_file_style &style) wrap_buffer.append (style.to_ansi ()); } -/* Set the current output style. This will affect future uses of the - _filtered output functions. */ +/* Return true if ANSI escapes can be used on STREAM. */ -static void -set_output_style (struct ui_file *stream, const ui_file_style &style) +static bool +can_emit_style_escape (struct ui_file *stream) { if (stream != gdb_stdout || !cli_styling - || style == desired_style || !ui_file_isatty (stream)) - return; + return false; const char *term = getenv ("TERM"); if (term == nullptr || !strcmp (term, "dumb")) + return false; + return true; +} + +/* Set the current output style. This will affect future uses of the + _filtered output functions. */ + +static void +set_output_style (struct ui_file *stream, const ui_file_style &style) +{ + if (!can_emit_style_escape (stream) + || style == desired_style) return; desired_style = style; emit_style_escape (style); } +/* See utils.h. */ + +void +reset_terminal_style (struct ui_file *stream) +{ + if (can_emit_style_escape (stream)) + { + /* Force the setting, regardless of what we think the setting + might already be. */ + desired_style = ui_file_style (); + applied_style = desired_style; + wrap_buffer.append (desired_style.to_ansi ()); + } +} + /* Wait, so the user can read what's on the screen. Prompt the user to continue by pressing RETURN. 'q' is also provided because telling users what to do in the prompt is more user-friendly than |