Current Path : /usr/src/contrib/ntp/libntp/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //usr/src/contrib/ntp/libntp/msyslog.c |
/* * msyslog - either send a message to the terminal or print it on * the standard output. * * Converted to use varargs, much better ... jks */ #ifdef HAVE_CONFIG_H # include <config.h> #endif #ifdef HAVE_SYS_TYPES_H # include <sys/types.h> #endif #ifdef HAVE_UNISTD_H # include <unistd.h> #endif #include <stdio.h> #include "ntp_types.h" #include "ntp_string.h" #include "ntp_syslog.h" #include "ntp_stdlib.h" #ifdef SYS_WINNT # include <stdarg.h> # include "..\ports\winnt\libntp\messages.h" #endif int syslogit = 1; FILE *syslog_file = NULL; u_long ntp_syslogmask = ~ (u_long) 0; #ifdef SYS_WINNT static char separator = '\\'; #else static char separator = '/'; #endif /* SYS_WINNT */ extern char *progname; /* Declare the local functions */ void addto_syslog P((int, char *)); void format_errmsg P((char *, int, const char *, int)); /* * This routine adds the contents of a buffer to the log */ void addto_syslog(int level, char * buf) { char *prog; FILE *out_file = syslog_file; #if !defined(VMS) && !defined (SYS_VXWORKS) if (syslogit) syslog(level, "%s", buf); else #endif /* VMS && SYS_VXWORKS*/ { out_file = syslog_file ? syslog_file: level <= LOG_ERR ? stderr : stdout; /* syslog() provides the timestamp, so if we're not using syslog, we must provide it. */ prog = strrchr(progname, separator); if (prog == NULL) prog = progname; else prog++; (void) fprintf(out_file, "%s ", humanlogtime ()); (void) fprintf(out_file, "%s[%d]: %s", prog, (int)getpid(), buf); fflush (out_file); } #if DEBUG if (debug && out_file != stdout && out_file != stderr) printf("addto_syslog: %s\n", buf); #endif } void format_errmsg(char *nfmt, int lennfmt, const char *fmt, int errval) { register char c; register char *n; register const char *f; char *err; n = nfmt; f = fmt; while ((c = *f++) != '\0' && n < (nfmt+lennfmt - 2)) { if (c != '%') { *n++ = c; continue; } if ((c = *f++) != 'm') { *n++ = '%'; *n++ = c; continue; } err = 0; err = strerror(errval); /* Make sure we have enough space for the error message */ if ((n + strlen(err)) < (nfmt + lennfmt -2)) { strcpy(n, err); n += strlen(err); } } #if !defined(VMS) if (!syslogit) #endif /* VMS */ *n++ = '\n'; *n = '\0'; } /* * The externally called functions are defined here * but share the internal function above to fetch * any error message strings, This is done so that we can * have two different functions to perform the logging * since Windows gets it's error information from different * places depending on whether or not it's network I/O. * msyslog() is for general use while netsyslog() is for * network I/O functions. They are virtually identical * in implementation. */ #if defined(__STDC__) || defined(HAVE_STDARG_H) void msyslog(int level, const char *fmt, ...) #else /* defined(__STDC__) || defined(HAVE_STDARG_H) */ /*VARARGS*/ void msyslog(va_alist) va_dcl #endif /* defined(__STDC__) || defined(HAVE_STDARG_H) */ { #if defined(__STDC__) || defined(HAVE_STDARG_H) #else int level; const char *fmt; #endif va_list ap; char buf[1025], nfmt[256]; /* * Save the error value as soon as possible */ #ifdef SYS_WINNT int errval = GetLastError(); #else int errval = errno; #endif #if defined(__STDC__) || defined(HAVE_STDARG_H) va_start(ap, fmt); #else va_start(ap); level = va_arg(ap, int); fmt = va_arg(ap, char *); #endif format_errmsg(nfmt, sizeof(nfmt), fmt, errval); vsnprintf(buf, sizeof(buf), nfmt, ap); addto_syslog(level, buf); va_end(ap); } #if defined(__STDC__) || defined(HAVE_STDARG_H) void netsyslog(int level, const char *fmt, ...) #else /* defined(__STDC__) || defined(HAVE_STDARG_H) */ /*VARARGS*/ void netsyslog(va_alist) va_dcl #endif /* defined(__STDC__) || defined(HAVE_STDARG_H) */ { #if defined(__STDC__) || defined(HAVE_STDARG_H) #else int level; const char *fmt; #endif va_list ap; char buf[1025], nfmt[256]; /* * Save the error value as soon as possible */ #ifdef SYS_WINNT int errval = WSAGetLastError(); #else int errval = errno; #endif #if defined(__STDC__) || defined(HAVE_STDARG_H) va_start(ap, fmt); #else va_start(ap); level = va_arg(ap, int); fmt = va_arg(ap, char *); #endif format_errmsg(nfmt, sizeof(nfmt), fmt, errval); vsnprintf(buf, sizeof(buf), nfmt, ap); addto_syslog(level, buf); va_end(ap); }