1/* 2 * Copyright (c) 1983, 1988, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#if defined(LIBC_SCCS) && !defined(lint)
| 1/* 2 * Copyright (c) 1983, 1988, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#if defined(LIBC_SCCS) && !defined(lint)
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35/*
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36static char sccsid[] = "@(#)syslog.c 8.5 (Berkeley) 4/29/95";
| 35static char sccsid[] = "@(#)syslog.c 8.5 (Berkeley) 4/29/95";
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37*/ 38static const char rcsid[] = 39 "$FreeBSD: head/lib/libc/gen/syslog.c 89805 2002-01-25 21:49:34Z dwmalone $";
| |
40#endif /* LIBC_SCCS and not lint */
| 36#endif /* LIBC_SCCS and not lint */
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| 37#include <sys/cdefs.h> 38__FBSDID("$FreeBSD: head/lib/libc/gen/syslog.c 90045 2002-02-01 01:32:19Z obrien $");
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41 42#include "namespace.h" 43#include <sys/types.h> 44#include <sys/socket.h> 45#include <sys/syslog.h> 46#include <sys/uio.h> 47#include <sys/un.h> 48#include <netdb.h> 49 50#include <errno.h> 51#include <fcntl.h> 52#include <paths.h> 53#include <stdio.h> 54#include <string.h> 55#include <time.h> 56#include <unistd.h> 57 58#if __STDC__ 59#include <stdarg.h> 60#else 61#include <varargs.h> 62#endif 63#include "un-namespace.h" 64 65static int LogFile = -1; /* fd for log */ 66static int connected; /* have done connect */ 67static int opened; /* have done openlog() */ 68static int LogStat = 0; /* status bits, set by openlog() */ 69static const char *LogTag = NULL; /* string to tag the entry with */ 70static int LogFacility = LOG_USER; /* default facility code */ 71static int LogMask = 0xff; /* mask of priorities to be logged */ 72extern char *__progname; /* Program name, from crt0. */ 73
| 39 40#include "namespace.h" 41#include <sys/types.h> 42#include <sys/socket.h> 43#include <sys/syslog.h> 44#include <sys/uio.h> 45#include <sys/un.h> 46#include <netdb.h> 47 48#include <errno.h> 49#include <fcntl.h> 50#include <paths.h> 51#include <stdio.h> 52#include <string.h> 53#include <time.h> 54#include <unistd.h> 55 56#if __STDC__ 57#include <stdarg.h> 58#else 59#include <varargs.h> 60#endif 61#include "un-namespace.h" 62 63static int LogFile = -1; /* fd for log */ 64static int connected; /* have done connect */ 65static int opened; /* have done openlog() */ 66static int LogStat = 0; /* status bits, set by openlog() */ 67static const char *LogTag = NULL; /* string to tag the entry with */ 68static int LogFacility = LOG_USER; /* default facility code */ 69static int LogMask = 0xff; /* mask of priorities to be logged */ 70extern char *__progname; /* Program name, from crt0. */ 71
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74static void disconnectlog __P((void)); /* disconnect from syslogd */ 75static void connectlog __P((void)); /* (re)connect to syslogd */
| 72static void disconnectlog(void); /* disconnect from syslogd */ 73static void connectlog(void); /* (re)connect to syslogd */
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76 77/* 78 * Format of the magic cookie passed through the stdio hook 79 */ 80struct bufcookie { 81 char *base; /* start of buffer */ 82 int left; 83}; 84 85/* 86 * stdio write hook for writing to a static string buffer 87 * XXX: Maybe one day, dynamically allocate it so that the line length 88 * is `unlimited'. 89 */ 90static 91int writehook(cookie, buf, len) 92 void *cookie; /* really [struct bufcookie *] */ 93 char *buf; /* characters to copy */ 94 int len; /* length to copy */ 95{ 96 struct bufcookie *h; /* private `handle' */ 97 98 h = (struct bufcookie *)cookie; 99 if (len > h->left) { 100 /* clip in case of wraparound */ 101 len = h->left; 102 } 103 if (len > 0) { 104 (void)memcpy(h->base, buf, len); /* `write' it. */ 105 h->base += len; 106 h->left -= len; 107 } 108 return 0; 109} 110 111/* 112 * syslog, vsyslog -- 113 * print message on log file; output is intended for syslogd(8). 114 */ 115void 116#if __STDC__ 117syslog(int pri, const char *fmt, ...) 118#else 119syslog(pri, fmt, va_alist) 120 int pri; 121 char *fmt; 122 va_dcl 123#endif 124{ 125 va_list ap; 126 127#if __STDC__ 128 va_start(ap, fmt); 129#else 130 va_start(ap); 131#endif 132 vsyslog(pri, fmt, ap); 133 va_end(ap); 134} 135 136void 137vsyslog(pri, fmt, ap) 138 int pri;
| 74 75/* 76 * Format of the magic cookie passed through the stdio hook 77 */ 78struct bufcookie { 79 char *base; /* start of buffer */ 80 int left; 81}; 82 83/* 84 * stdio write hook for writing to a static string buffer 85 * XXX: Maybe one day, dynamically allocate it so that the line length 86 * is `unlimited'. 87 */ 88static 89int writehook(cookie, buf, len) 90 void *cookie; /* really [struct bufcookie *] */ 91 char *buf; /* characters to copy */ 92 int len; /* length to copy */ 93{ 94 struct bufcookie *h; /* private `handle' */ 95 96 h = (struct bufcookie *)cookie; 97 if (len > h->left) { 98 /* clip in case of wraparound */ 99 len = h->left; 100 } 101 if (len > 0) { 102 (void)memcpy(h->base, buf, len); /* `write' it. */ 103 h->base += len; 104 h->left -= len; 105 } 106 return 0; 107} 108 109/* 110 * syslog, vsyslog -- 111 * print message on log file; output is intended for syslogd(8). 112 */ 113void 114#if __STDC__ 115syslog(int pri, const char *fmt, ...) 116#else 117syslog(pri, fmt, va_alist) 118 int pri; 119 char *fmt; 120 va_dcl 121#endif 122{ 123 va_list ap; 124 125#if __STDC__ 126 va_start(ap, fmt); 127#else 128 va_start(ap); 129#endif 130 vsyslog(pri, fmt, ap); 131 va_end(ap); 132} 133 134void 135vsyslog(pri, fmt, ap) 136 int pri;
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139 register const char *fmt;
| 137 const char *fmt;
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140 va_list ap; 141{
| 138 va_list ap; 139{
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142 register int cnt; 143 register char ch, *p;
| 140 int cnt; 141 char ch, *p;
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144 time_t now; 145 int fd, saved_errno; 146 char *stdp, tbuf[2048], fmt_cpy[1024], timbuf[26]; 147 FILE *fp, *fmt_fp; 148 struct bufcookie tbuf_cookie; 149 struct bufcookie fmt_cookie; 150 151#define INTERNALLOG LOG_ERR|LOG_CONS|LOG_PERROR|LOG_PID 152 /* Check for invalid bits. */ 153 if (pri & ~(LOG_PRIMASK|LOG_FACMASK)) { 154 syslog(INTERNALLOG, 155 "syslog: unknown facility/priority: %x", pri); 156 pri &= LOG_PRIMASK|LOG_FACMASK; 157 } 158 159 /* Check priority against setlogmask values. */ 160 if (!(LOG_MASK(LOG_PRI(pri)) & LogMask)) 161 return; 162 163 saved_errno = errno; 164 165 /* Set default facility if none specified. */ 166 if ((pri & LOG_FACMASK) == 0) 167 pri |= LogFacility; 168 169 /* Create the primary stdio hook */ 170 tbuf_cookie.base = tbuf; 171 tbuf_cookie.left = sizeof(tbuf); 172 fp = fwopen(&tbuf_cookie, writehook); 173 if (fp == NULL) 174 return; 175 176 /* Build the message. */ 177 (void)time(&now); 178 (void)fprintf(fp, "<%d>", pri); 179 (void)fprintf(fp, "%.15s ", ctime_r(&now, timbuf) + 4); 180 if (LogStat & LOG_PERROR) { 181 /* Transfer to string buffer */ 182 (void)fflush(fp); 183 stdp = tbuf + (sizeof(tbuf) - tbuf_cookie.left); 184 } 185 if (LogTag == NULL) 186 LogTag = __progname; 187 if (LogTag != NULL) 188 (void)fprintf(fp, "%s", LogTag); 189 if (LogStat & LOG_PID) 190 (void)fprintf(fp, "[%d]", getpid()); 191 if (LogTag != NULL) { 192 (void)fprintf(fp, ": "); 193 } 194 195 /* Check to see if we can skip expanding the %m */ 196 if (strstr(fmt, "%m")) { 197 198 /* Create the second stdio hook */ 199 fmt_cookie.base = fmt_cpy; 200 fmt_cookie.left = sizeof(fmt_cpy) - 1; 201 fmt_fp = fwopen(&fmt_cookie, writehook); 202 if (fmt_fp == NULL) { 203 fclose(fp); 204 return; 205 } 206 207 /* Substitute error message for %m. */ 208 for ( ; (ch = *fmt); ++fmt) 209 if (ch == '%' && fmt[1] == 'm') { 210 ++fmt; 211 fputs(strerror(saved_errno), fmt_fp); 212 } else 213 fputc(ch, fmt_fp); 214 215 /* Null terminate if room */ 216 fputc(0, fmt_fp); 217 fclose(fmt_fp); 218 219 /* Guarantee null termination */ 220 fmt_cpy[sizeof(fmt_cpy) - 1] = '\0'; 221 222 fmt = fmt_cpy; 223 } 224 225 (void)vfprintf(fp, fmt, ap); 226 (void)fclose(fp); 227 228 cnt = sizeof(tbuf) - tbuf_cookie.left; 229 230 /* Output to stderr if requested. */ 231 if (LogStat & LOG_PERROR) { 232 struct iovec iov[2];
| 142 time_t now; 143 int fd, saved_errno; 144 char *stdp, tbuf[2048], fmt_cpy[1024], timbuf[26]; 145 FILE *fp, *fmt_fp; 146 struct bufcookie tbuf_cookie; 147 struct bufcookie fmt_cookie; 148 149#define INTERNALLOG LOG_ERR|LOG_CONS|LOG_PERROR|LOG_PID 150 /* Check for invalid bits. */ 151 if (pri & ~(LOG_PRIMASK|LOG_FACMASK)) { 152 syslog(INTERNALLOG, 153 "syslog: unknown facility/priority: %x", pri); 154 pri &= LOG_PRIMASK|LOG_FACMASK; 155 } 156 157 /* Check priority against setlogmask values. */ 158 if (!(LOG_MASK(LOG_PRI(pri)) & LogMask)) 159 return; 160 161 saved_errno = errno; 162 163 /* Set default facility if none specified. */ 164 if ((pri & LOG_FACMASK) == 0) 165 pri |= LogFacility; 166 167 /* Create the primary stdio hook */ 168 tbuf_cookie.base = tbuf; 169 tbuf_cookie.left = sizeof(tbuf); 170 fp = fwopen(&tbuf_cookie, writehook); 171 if (fp == NULL) 172 return; 173 174 /* Build the message. */ 175 (void)time(&now); 176 (void)fprintf(fp, "<%d>", pri); 177 (void)fprintf(fp, "%.15s ", ctime_r(&now, timbuf) + 4); 178 if (LogStat & LOG_PERROR) { 179 /* Transfer to string buffer */ 180 (void)fflush(fp); 181 stdp = tbuf + (sizeof(tbuf) - tbuf_cookie.left); 182 } 183 if (LogTag == NULL) 184 LogTag = __progname; 185 if (LogTag != NULL) 186 (void)fprintf(fp, "%s", LogTag); 187 if (LogStat & LOG_PID) 188 (void)fprintf(fp, "[%d]", getpid()); 189 if (LogTag != NULL) { 190 (void)fprintf(fp, ": "); 191 } 192 193 /* Check to see if we can skip expanding the %m */ 194 if (strstr(fmt, "%m")) { 195 196 /* Create the second stdio hook */ 197 fmt_cookie.base = fmt_cpy; 198 fmt_cookie.left = sizeof(fmt_cpy) - 1; 199 fmt_fp = fwopen(&fmt_cookie, writehook); 200 if (fmt_fp == NULL) { 201 fclose(fp); 202 return; 203 } 204 205 /* Substitute error message for %m. */ 206 for ( ; (ch = *fmt); ++fmt) 207 if (ch == '%' && fmt[1] == 'm') { 208 ++fmt; 209 fputs(strerror(saved_errno), fmt_fp); 210 } else 211 fputc(ch, fmt_fp); 212 213 /* Null terminate if room */ 214 fputc(0, fmt_fp); 215 fclose(fmt_fp); 216 217 /* Guarantee null termination */ 218 fmt_cpy[sizeof(fmt_cpy) - 1] = '\0'; 219 220 fmt = fmt_cpy; 221 } 222 223 (void)vfprintf(fp, fmt, ap); 224 (void)fclose(fp); 225 226 cnt = sizeof(tbuf) - tbuf_cookie.left; 227 228 /* Output to stderr if requested. */ 229 if (LogStat & LOG_PERROR) { 230 struct iovec iov[2];
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233 register struct iovec *v = iov;
| 231 struct iovec *v = iov;
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234 235 v->iov_base = stdp; 236 v->iov_len = cnt - (stdp - tbuf); 237 ++v; 238 v->iov_base = "\n"; 239 v->iov_len = 1; 240 (void)_writev(STDERR_FILENO, iov, 2); 241 } 242 243 /* Get connected, output the message to the local logger. */ 244 if (!opened) 245 openlog(LogTag, LogStat | LOG_NDELAY, 0); 246 connectlog(); 247 if (send(LogFile, tbuf, cnt, 0) >= 0) 248 return; 249 250 /* 251 * If the send() failed, the odds are syslogd was restarted. 252 * Make one (only) attempt to reconnect to /dev/log. 253 */ 254 disconnectlog(); 255 connectlog(); 256 if (send(LogFile, tbuf, cnt, 0) >= 0) 257 return; 258 259 /* 260 * Output the message to the console; don't worry about blocking, 261 * if console blocks everything will. Make sure the error reported 262 * is the one from the syslogd failure. 263 */ 264 if (LogStat & LOG_CONS && 265 (fd = _open(_PATH_CONSOLE, O_WRONLY, 0)) >= 0) { 266 struct iovec iov[2];
| 232 233 v->iov_base = stdp; 234 v->iov_len = cnt - (stdp - tbuf); 235 ++v; 236 v->iov_base = "\n"; 237 v->iov_len = 1; 238 (void)_writev(STDERR_FILENO, iov, 2); 239 } 240 241 /* Get connected, output the message to the local logger. */ 242 if (!opened) 243 openlog(LogTag, LogStat | LOG_NDELAY, 0); 244 connectlog(); 245 if (send(LogFile, tbuf, cnt, 0) >= 0) 246 return; 247 248 /* 249 * If the send() failed, the odds are syslogd was restarted. 250 * Make one (only) attempt to reconnect to /dev/log. 251 */ 252 disconnectlog(); 253 connectlog(); 254 if (send(LogFile, tbuf, cnt, 0) >= 0) 255 return; 256 257 /* 258 * Output the message to the console; don't worry about blocking, 259 * if console blocks everything will. Make sure the error reported 260 * is the one from the syslogd failure. 261 */ 262 if (LogStat & LOG_CONS && 263 (fd = _open(_PATH_CONSOLE, O_WRONLY, 0)) >= 0) { 264 struct iovec iov[2];
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267 register struct iovec *v = iov;
| 265 struct iovec *v = iov;
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268 269 p = strchr(tbuf, '>') + 1; 270 v->iov_base = p; 271 v->iov_len = cnt - (p - tbuf); 272 ++v; 273 v->iov_base = "\r\n"; 274 v->iov_len = 2; 275 (void)_writev(fd, iov, 2); 276 (void)_close(fd); 277 } 278} 279static void 280disconnectlog() 281{ 282 /* 283 * If the user closed the FD and opened another in the same slot, 284 * that's their problem. They should close it before calling on 285 * system services. 286 */ 287 if (LogFile != -1) { 288 _close(LogFile); 289 LogFile = -1; 290 } 291 connected = 0; /* retry connect */ 292} 293 294static void 295connectlog() 296{ 297 struct sockaddr_un SyslogAddr; /* AF_UNIX address of local logger */ 298 299 if (LogFile == -1) { 300 if ((LogFile = _socket(AF_UNIX, SOCK_DGRAM, 0)) == -1) 301 return; 302 (void)_fcntl(LogFile, F_SETFD, 1); 303 } 304 if (LogFile != -1 && !connected) { 305 SyslogAddr.sun_len = sizeof(SyslogAddr); 306 SyslogAddr.sun_family = AF_UNIX; 307 (void)strncpy(SyslogAddr.sun_path, _PATH_LOG, 308 sizeof SyslogAddr.sun_path); 309 connected = _connect(LogFile, (struct sockaddr *)&SyslogAddr, 310 sizeof(SyslogAddr)) != -1; 311 312 if (!connected) { 313 /* 314 * Try the old "/dev/log" path, for backward 315 * compatibility. 316 */ 317 (void)strncpy(SyslogAddr.sun_path, _PATH_OLDLOG, 318 sizeof SyslogAddr.sun_path); 319 connected = _connect(LogFile, 320 (struct sockaddr *)&SyslogAddr, 321 sizeof(SyslogAddr)) != -1; 322 } 323 324 if (!connected) { 325 (void)_close(LogFile); 326 LogFile = -1; 327 } 328 } 329} 330 331void 332openlog(ident, logstat, logfac) 333 const char *ident; 334 int logstat, logfac; 335{ 336 if (ident != NULL) 337 LogTag = ident; 338 LogStat = logstat; 339 if (logfac != 0 && (logfac &~ LOG_FACMASK) == 0) 340 LogFacility = logfac; 341 342 if (LogStat & LOG_NDELAY) /* open immediately */ 343 connectlog(); 344 345 opened = 1; /* ident and facility has been set */ 346} 347 348void 349closelog() 350{ 351 (void)_close(LogFile); 352 LogFile = -1; 353 connected = 0; 354} 355 356/* setlogmask -- set the log mask level */ 357int 358setlogmask(pmask) 359 int pmask; 360{ 361 int omask; 362 363 omask = LogMask; 364 if (pmask != 0) 365 LogMask = pmask; 366 return (omask); 367}
| 266 267 p = strchr(tbuf, '>') + 1; 268 v->iov_base = p; 269 v->iov_len = cnt - (p - tbuf); 270 ++v; 271 v->iov_base = "\r\n"; 272 v->iov_len = 2; 273 (void)_writev(fd, iov, 2); 274 (void)_close(fd); 275 } 276} 277static void 278disconnectlog() 279{ 280 /* 281 * If the user closed the FD and opened another in the same slot, 282 * that's their problem. They should close it before calling on 283 * system services. 284 */ 285 if (LogFile != -1) { 286 _close(LogFile); 287 LogFile = -1; 288 } 289 connected = 0; /* retry connect */ 290} 291 292static void 293connectlog() 294{ 295 struct sockaddr_un SyslogAddr; /* AF_UNIX address of local logger */ 296 297 if (LogFile == -1) { 298 if ((LogFile = _socket(AF_UNIX, SOCK_DGRAM, 0)) == -1) 299 return; 300 (void)_fcntl(LogFile, F_SETFD, 1); 301 } 302 if (LogFile != -1 && !connected) { 303 SyslogAddr.sun_len = sizeof(SyslogAddr); 304 SyslogAddr.sun_family = AF_UNIX; 305 (void)strncpy(SyslogAddr.sun_path, _PATH_LOG, 306 sizeof SyslogAddr.sun_path); 307 connected = _connect(LogFile, (struct sockaddr *)&SyslogAddr, 308 sizeof(SyslogAddr)) != -1; 309 310 if (!connected) { 311 /* 312 * Try the old "/dev/log" path, for backward 313 * compatibility. 314 */ 315 (void)strncpy(SyslogAddr.sun_path, _PATH_OLDLOG, 316 sizeof SyslogAddr.sun_path); 317 connected = _connect(LogFile, 318 (struct sockaddr *)&SyslogAddr, 319 sizeof(SyslogAddr)) != -1; 320 } 321 322 if (!connected) { 323 (void)_close(LogFile); 324 LogFile = -1; 325 } 326 } 327} 328 329void 330openlog(ident, logstat, logfac) 331 const char *ident; 332 int logstat, logfac; 333{ 334 if (ident != NULL) 335 LogTag = ident; 336 LogStat = logstat; 337 if (logfac != 0 && (logfac &~ LOG_FACMASK) == 0) 338 LogFacility = logfac; 339 340 if (LogStat & LOG_NDELAY) /* open immediately */ 341 connectlog(); 342 343 opened = 1; /* ident and facility has been set */ 344} 345 346void 347closelog() 348{ 349 (void)_close(LogFile); 350 LogFile = -1; 351 connected = 0; 352} 353 354/* setlogmask -- set the log mask level */ 355int 356setlogmask(pmask) 357 int pmask; 358{ 359 int omask; 360 361 omask = LogMask; 362 if (pmask != 0) 363 LogMask = pmask; 364 return (omask); 365}
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