zephyr/boards/posix/native_posix/tracing.c

118 lines
2.3 KiB
C

/*
* Copyright (c) 2017 Oticon A/S
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* Functions to print errors and traces
*/
#include <stdlib.h> /* for exit */
#include <stdio.h> /* for printfs */
#include <stdarg.h> /* for va args */
#include <unistd.h>
#include "soc.h"
#include "posix_board_if.h"
#include "cmdline.h"
void posix_print_error_and_exit(const char *format, ...)
{
va_list variable_args;
va_start(variable_args, format);
vfprintf(stderr, format, variable_args);
va_end(variable_args);
posix_exit(1);
}
void posix_print_warning(const char *format, ...)
{
va_list variable_args;
va_start(variable_args, format);
vfprintf(stderr, format, variable_args);
va_end(variable_args);
}
void posix_print_trace(const char *format, ...)
{
va_list variable_args;
va_start(variable_args, format);
vfprintf(stdout, format, variable_args);
va_end(variable_args);
}
/**
* Are stdout and stderr connected to a tty
* 0 = no
* 1 = yes
* -1 = we do not know yet
* Indexed 0:stdout, 1:stderr
*/
static int is_a_tty[2] = {-1, -1};
void trace_disable_color(char *argv, int offset)
{
is_a_tty[0] = 0;
is_a_tty[1] = 0;
}
void trace_enable_color(char *argv, int offset)
{
is_a_tty[0] = -1;
is_a_tty[1] = -1;
}
void trace_force_color(char *argv, int offset)
{
is_a_tty[0] = 1;
is_a_tty[1] = 1;
}
int posix_trace_over_tty(int file_number)
{
return is_a_tty[file_number];
}
static void decide_about_color(void)
{
if (is_a_tty[0] == -1) {
is_a_tty[0] = isatty(STDOUT_FILENO);
}
if (is_a_tty[1] == -1) {
is_a_tty[1] = isatty(STDERR_FILENO);
}
}
NATIVE_TASK(decide_about_color, PRE_BOOT_2, 0);
void native_add_tracing_options(void)
{
static struct args_struct_t trace_options[] = {
/*
* Fields:
* manual, mandatory, switch,
* option_name, var_name ,type,
* destination, callback,
* description
*/
{ false, false, true,
"color", "color", 'b',
NULL, trace_enable_color,
"(default) Enable color in traces if printing to console"},
{ false, false, true,
"no-color", "no-color", 'b',
NULL, trace_disable_color,
"Disable color in traces even if printing to console"},
{ false, false, true,
"force-color", "force-color", 'b',
NULL, trace_force_color,
"Enable color in traces even if printing to files/pipes"},
ARG_TABLE_ENDMARKER};
native_add_command_line_opts(trace_options);
}