diff options
Diffstat (limited to 'mdk-stage1/dietlibc/libugly/logging.c')
| -rw-r--r-- | mdk-stage1/dietlibc/libugly/logging.c | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/mdk-stage1/dietlibc/libugly/logging.c b/mdk-stage1/dietlibc/libugly/logging.c deleted file mode 100644 index 69c2c2337..000000000 --- a/mdk-stage1/dietlibc/libugly/logging.c +++ /dev/null @@ -1,211 +0,0 @@ -#include "dietfeatures.h" - -#include <stdio.h> -#include <stdlib.h> -#include <stdarg.h> -#include <errno.h> -#include <unistd.h> -#include <asm/socket.h> -#include <fcntl.h> -#include <syslog.h> -#include <string.h> -#include <time.h> -#include <sys/socket.h> -#include <signal.h> - -#define _PATH_CONSOLE "/dev/console" -#define BUF_SIZE 512 /* messagebuffer size (>= 200) */ - -#define MAX_LOGTAG 80 - -/* those have to be global *sigh* */ -static volatile int connected = 0; /* have done connect */ -static volatile int LogMask = 0xff; /* mask of priorities to be logged */ -static char LogTag[MAX_LOGTAG]; /* string to tag the entry with */ -static int LogFile = -1; /* fd for log */ -static int LogType = SOCK_DGRAM; /* type of socket connection */ -static int LogFacility = LOG_USER; /* default facility code */ -static int LogStat; /* status bits, set by openlog() */ -extern char *__progname; /* Program name, from crt0. */ -static struct sockaddr SyslogAddr; /* AF_UNIX address of local logger */ - -static void closelog_intern(void) -{ - if (!connected) return; - close(LogFile); - LogFile = -1; - connected = 0; -} - -void closelog(void) -{ - closelog_intern(); - - LogTag[0]=0; - LogType = SOCK_DGRAM; -} - -static void openlog_intern(int option, int facility) -{ - LogStat = option; - if (facility && ((facility & ~LOG_FACMASK) == 0)) - LogFacility = facility; - - /* yep, there is a continue inside ;) */ - while(1) { - if (LogFile == -1) { - SyslogAddr.sa_family = AF_UNIX; - strncpy(SyslogAddr.sa_data, _PATH_LOG, sizeof(SyslogAddr.sa_data)); - if (LogStat & LOG_NDELAY) - { - if ((LogFile = socket(AF_UNIX, LogType, 0)) == -1) return; - fcntl(LogFile, F_SETFD, 1); - } - } - if ((LogFile != -1) && !connected) { -#ifdef WANT_THREAD_SAFE - int old_errno = (*(__errno_location())); -#else - int old_errno=errno; -#endif - if(connect(LogFile, &SyslogAddr, sizeof(SyslogAddr)) == -1) { -#ifdef WANT_THREAD_SAFE - int saved_errno = (*(__errno_location())); -#else - int saved_errno=errno; -#endif - close(LogFile); - LogFile = -1; - if((LogType == SOCK_DGRAM) && (saved_errno == EPROTOTYPE)) { - /* retry with SOCK_STREAM instead of SOCK_DGRAM */ - LogType = SOCK_STREAM; -#ifdef WANT_THREAD_SAFE - (*(__errno_location()))=old_errno; -#else - errno=old_errno; -#endif - continue; - } - } - else connected = 1; - } - break; - } -} - -/* has to be secured against multiple, simultanious call's in threaded environment */ -void openlog(const char *ident, int option, int facility) -{ - if (ident) { - strncpy(LogTag,ident,MAX_LOGTAG); - LogTag[MAX_LOGTAG-1]=0; - } - openlog_intern(option, facility); -} - -int setlogmask(int mask) -{ - int old = LogMask; - if (mask) LogMask = mask; - return old; -} - -void vsyslog(int priority, const char *format, va_list arg_ptr) -{ - char buffer[BUF_SIZE]; - char time_buf[20]; - int buflen, headerlen; - time_t now; - struct tm now_tm; - pid_t pid; - int fd; - int sigpipe; - struct sigaction action, oldaction; - struct sigaction *oldaction_ptr = NULL; -#ifdef WANT_THREAD_SAFE - int saved_errno = (*(__errno_location())); -#else - int saved_errno = errno; -#endif - - /* check for invalid priority/facility bits */ - if (priority & ~(LOG_PRIMASK|LOG_FACMASK)) { - syslog(LOG_ERR|LOG_CONS|LOG_PERROR|LOG_PID, "syslog: unknown facility/priorityority: %x", priority); - priority &= LOG_PRIMASK|LOG_FACMASK; - } - - /* check priority against setlogmask */ - if ((LOG_MASK(LOG_PRI(priority)) && LogMask) == 0) return; - - /* Set default facility if none specified. */ - if ((priority & LOG_FACMASK) == 0) priority |= LogFacility; - - pid = getpid(); - time(&now); - strftime(time_buf, 20, "%h %e %T", localtime_r (&now, &now_tm)); - - if (LogStat & LOG_PID) - headerlen = snprintf(buffer, 130, "<%d>%s %s[%d]: ", priority, time_buf, LogTag, pid); - else - headerlen = snprintf(buffer, 130, "<%d>%s %s: ", priority, time_buf, LogTag); - - if (!LogTag[0]) { - if ((LogStat & LOG_PID) != LOG_PID) - headerlen = snprintf(buffer, 130, "<%d>%s (unknown)[%d]: ", priority, time_buf, pid); - strcat(buffer+headerlen, "syslog without openlog w/ ident, please check code!"); - buflen = 41; - } - else { -#ifdef WANT_THREAD_SAFE - (*(__errno_location()))=saved_errno; -#else - errno=saved_errno; -#endif - buflen = vsnprintf(buffer+headerlen, BUF_SIZE - headerlen, format, arg_ptr); - } - if (LogStat & LOG_PERROR) { - write(1, buffer+headerlen, buflen); - if (buffer[headerlen+buflen] != '\n') write(1,"\n", 1); - } - - /* prepare for broken connection */ - memset(&action, 0, sizeof(action)); - action.sa_handler = SIG_IGN; - sigemptyset(&action.sa_mask); - - if ((sigpipe = sigaction (SIGPIPE, &action, &oldaction))==0) - oldaction_ptr = &oldaction; - - if (!connected) openlog_intern(LogStat | LOG_NDELAY, 0); - - /* If we have a SOCK_STREAM connection, also send ASCII NUL as a - * record terminator. */ - if (LogType == SOCK_STREAM) buflen++; - - if (!connected || (send(LogFile, buffer, buflen+headerlen, 0) != buflen+headerlen)) { - if (LogType == SOCK_STREAM) buflen--; - closelog_intern(); - /* - * Output the message to the console; don't worry about blocking, - * if console blocks everything will. Make sure the error reported - * is the one from the syslogd failure. - */ - if ((LogStat & LOG_CONS) && - ((fd = open(_PATH_CONSOLE, O_WRONLY|O_NOCTTY, 0)) >= 0)) - { - write(fd, buffer, buflen+headerlen); - write(fd, "\r\n", 2); - } - } - - if (sigpipe == 0) - sigaction(SIGPIPE, &oldaction, (struct sigaction *) NULL); -} - -void syslog(int priority, const char *format, ...) -{ - va_list arg_ptr; - va_start(arg_ptr, format); - vsyslog(priority, format, arg_ptr); - va_end(arg_ptr); -} |