Tom MTT
16f516d6ce
Added support for cosmopolitan libc. Simply do `make COSMO=yes` and you'll get feuille.com, a working αcτµαlly pδrταblε εxεcµταblε pastebin server. + version bump.
87 lines
2.3 KiB
C
87 lines
2.3 KiB
C
/*
|
|
* util.c
|
|
* Common utils.
|
|
*
|
|
* Copyright (c) 2022
|
|
* Tom MTT. <tom@heimdall.pm>
|
|
*
|
|
* This file is licensed under the 3-Clause BSD License.
|
|
* You should have received a copy of the 3-Clause BSD License
|
|
* along with this program. If not, see
|
|
* <https://basedwa.re/tmtt/feuille/src/branch/main/LICENSE>.
|
|
*/
|
|
|
|
#define _DEFAULT_SOURCE
|
|
|
|
#include "util.h"
|
|
|
|
#ifndef COSMOPOLITAN
|
|
#include <stdarg.h> /* for va_end, va_list, va_start */
|
|
#include <stdio.h> /* for snprintf, vsnprintf, vfprintf, BUFSIZ, stderr */
|
|
#include <stdlib.h> /* for exit */
|
|
#include <syslog.h> /* for syslog, LOG_DEBUG, LOG_ERR */
|
|
#include <unistd.h> /* for getpid */
|
|
#endif
|
|
|
|
#include "feuille.h" /* for Settings, settings */
|
|
|
|
/* reuse that buffer for syslogs */
|
|
char syslog_buffer[BUFSIZ];
|
|
|
|
/**
|
|
* Die with an error message.
|
|
* exit_code: the exit code to be used.
|
|
* string: the string to be displayed. Printf format is supported.
|
|
*/
|
|
void die(int exit_code, char *string, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
va_start(ap, string);
|
|
vfprintf(stderr, string, ap);
|
|
va_end(ap);
|
|
|
|
exit(exit_code);
|
|
}
|
|
|
|
/**
|
|
* Send an error message to syslog.
|
|
* string: the string to be displayed. Printf format is supported.
|
|
*/
|
|
void error(char *string, ...)
|
|
{
|
|
va_list ap;
|
|
va_start(ap, string);
|
|
|
|
/* prepend the PID of the current thread */
|
|
int length = snprintf(syslog_buffer, sizeof(syslog_buffer), "ERROR[%d]: ", getpid());
|
|
|
|
/* send the string to syslog */
|
|
vsnprintf(syslog_buffer + length, sizeof(syslog_buffer) - length, string, ap);
|
|
syslog(LOG_ERR, "%s", syslog_buffer);
|
|
|
|
va_end(ap);
|
|
}
|
|
|
|
/**
|
|
* Send a message to syslog if in verbose mode.
|
|
* string: the string to be displayed. Printf format is supported.
|
|
*/
|
|
void verbose(int level, char *string, ...)
|
|
{
|
|
if (settings.verbose < level)
|
|
return;
|
|
|
|
va_list ap;
|
|
va_start(ap, string);
|
|
|
|
/* prepend the PID of the current thread */
|
|
int length = snprintf(syslog_buffer, sizeof(syslog_buffer), "DEBUG%d[%d]: ", level, getpid());
|
|
|
|
/* send the string to syslog */
|
|
vsnprintf(syslog_buffer + length, sizeof(syslog_buffer) - length, string, ap);
|
|
syslog(LOG_DEBUG, "%s", syslog_buffer);
|
|
|
|
va_end(ap);
|
|
}
|