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