mirror of
https://github.com/AuxXxilium/kmod.git
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d4f659e12a
Some are outdated, misleading or just repeat the same thing over and over. Remove them as they are not needed. Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com> Link: https://lore.kernel.org/r/20240723185921.1005569-3-lucas.de.marchi@gmail.com Signed-off-by: Lucas De Marchi <lucas.de.marchi@gmail.com>
136 lines
2.5 KiB
C
136 lines
2.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (C) 2012-2013 ProFUSION embedded systems
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*/
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <syslog.h>
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#include <libkmod/libkmod.h>
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#include "kmod.h"
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#define PRIO_MAX_SIZE 32
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static bool log_use_syslog;
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static int log_priority = LOG_WARNING;
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static const char *prio_to_str(char buf[static PRIO_MAX_SIZE], int prio)
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{
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const char *prioname;
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switch (prio) {
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case LOG_CRIT:
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prioname = "FATAL";
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break;
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case LOG_ERR:
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prioname = "ERROR";
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break;
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case LOG_WARNING:
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prioname = "WARNING";
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break;
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case LOG_NOTICE:
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prioname = "NOTICE";
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break;
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case LOG_INFO:
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prioname = "INFO";
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break;
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case LOG_DEBUG:
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prioname = "DEBUG";
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break;
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default:
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snprintf(buf, PRIO_MAX_SIZE, "LOG-%03d", prio);
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prioname = buf;
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}
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return prioname;
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}
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_printf_format_(6, 0)
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static void log_kmod(void *data, int priority, const char *file, int line,
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const char *fn, const char *format, va_list args)
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{
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char buf[PRIO_MAX_SIZE];
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const char *prioname;
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char *str;
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prioname = prio_to_str(buf, priority);
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if (vasprintf(&str, format, args) < 0)
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return;
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if (log_use_syslog) {
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#ifdef ENABLE_DEBUG
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syslog(priority, "%s: %s:%d %s() %s", prioname, file, line,
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fn, str);
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#else
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syslog(priority, "%s: %s", prioname, str);
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#endif
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} else {
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#ifdef ENABLE_DEBUG
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fprintf(stderr, "%s: %s: %s:%d %s() %s",
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program_invocation_short_name, prioname, file, line,
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fn, str);
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#else
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fprintf(stderr, "%s: %s: %s", program_invocation_short_name,
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prioname, str);
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#endif
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}
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free(str);
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(void)data;
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}
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void log_open(bool use_syslog)
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{
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log_use_syslog = use_syslog;
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if (log_use_syslog)
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openlog(program_invocation_short_name, LOG_CONS, LOG_DAEMON);
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}
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void log_close(void)
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{
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if (log_use_syslog)
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closelog();
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}
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void log_printf(int prio, const char *fmt, ...)
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{
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char buf[PRIO_MAX_SIZE];
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const char *prioname;
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char *msg;
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va_list args;
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if (prio > log_priority)
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return;
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va_start(args, fmt);
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if (vasprintf(&msg, fmt, args) < 0)
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msg = NULL;
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va_end(args);
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if (msg == NULL)
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return;
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prioname = prio_to_str(buf, prio);
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if (log_use_syslog)
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syslog(prio, "%s: %s", prioname, msg);
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else
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fprintf(stderr, "%s: %s: %s", program_invocation_short_name,
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prioname, msg);
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free(msg);
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if (prio <= LOG_CRIT)
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exit(EXIT_FAILURE);
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}
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void log_setup_kmod_log(struct kmod_ctx *ctx, int priority)
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{
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log_priority = priority;
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kmod_set_log_priority(ctx, log_priority);
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kmod_set_log_fn(ctx, log_kmod, NULL);
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}
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