mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-13 23:00:22 +00:00
c4563d2d66
1999-04-28 Ulrich Drepper <drepper@cygnus.com> * argp/argp-ba.c (argp_program_bug_address): Don't initialize with 0. * argp/argp-parse.c (_argp_hang): Likewise. * argp/argp-pv.c (argp_program_version): Likewise. * argp/argp-pvh.c (argp_program_version_hook): Likewise. * inet/ether_hton.c (ether_hton, startp): Likewise. * inet/ether_ntoh.c (ether_ntoh, startp): Likewise. * inet/getnetgrent_r.c (setup, startp): Likewise. * intl/loadmsgcat.c (_nl_msg_cat_cntr): Likewise. * intl/localealias.c (string_space, string_space_act, string_space_max, nmap, maxmap): Likewise. * libio/iopopen.c (proc_file_chain): Likewise. * libio/oldiopopen.c (old_proc_file_chain): Likewise. * locale/lc-collate.c (__collate_table, __collate_extra, __collate_element_hash, __collate_element_strings, __collate_element_values): Likewise. * malloc/mcheck.c (mcheck_used): Likewise. * malloc/mtrace.c (added_atexit_handler): Likewise. * malloc/set-freeres.c (already_called): Likewise. * misc/getpass.c (getpass) [buf, bufsize]: Likewise. * misc/syslog.c (LogStat, LogTag): Likewise. * nss/XXX-lookup.c (DATABASE_NAME_SYMBOL): Likewise. * nss/getXXbyYY_r.c (startp): Likewise. * posix/getopt.c (optarg, __getopt_initialized): Likewise. * posix/regex.c (init_syntax_once) [done]: Likewise. (debug): Likewise. * string/strfry.c (init): Likewise. * sunrpc/svc_run.c (svc_top): Likewise. * posix/euidaccess.c (have_ids): Likewise. * sysdeps/unix/sysv/linux/poll.c (must_emulate): Likewise. * sysdeps/unix/sysv/linux/ttyname.c (__ttyname, namelen): Likewise. * time/getdate.c (getdate_err): Likewise. * time/tzfile.c (transitions, type_idxs, types, zone_names, leaps): Likewise. * time/tzset.c (old_tz, is_initialized): Likewise. * inet/getnameinfo.c (nrl_domainname): Rewrite to allow initialization of static data with zero. * signal/allocrtsig.c (init): Likewise. * string/Makefile (routines): Add strchrnul. * string/Versions [GLIBC_2.1.1]: Add strchrnul. * string/string.c: Add strchrnul prototype. * include/string.h: Add __strchrnul prototype. * sysdeps/generic/strchrnul.c: New file. * sysdeps/i386/strchrnul.S: New file. * sysdeps/i386/bits/string.c: Add strchrnul optimization. * sysdeps/i386/i486/bits/string.c: Likewise. * argp/argp-help.c (argp_args_usage): Use __strchrnul. * inet/ether_line.c (ether_line): Likewise. * nscd/nscd_conf.c (nscd_parse_file): Likewise. * nss/nsswitch.c (nss_parse_file): Likewise. * posix/execvp.c (execvp): Likewise. * posix/fnmatch.c (internal_fnmatch): Likewise. * resolv/res_hconf.c (_res_hconv_init): Likewise. * resolv/res_init.c (res_init): Likewise. * stdlib/fmtmsg.c (init): Likewise. * stdlib/getsubopt.c (getsubopt): Likewise. * catgets/catgets.c (catopen): Only allocate one memory block. (catclose): Only one free call necessary. * catgets/open_catalog.c (__open_catalog): Simplify handling of file descriptor. * ctype/ctype-extn.c: Make __toascii_l and __isascii_l alias instead of real functions. Simplify _tolower and _toupper. * grp/initgroups.c (compat_call): Remove unnecessary use of pointer variable. * iconv/gconv.h (struct gconv_info): Change data element from pointer to array of size 0. * iconv/gconv_open.c (__gconv_open): Allocate structures accordingly. * iconv/gconv_close.c (__gconv_close): Don't free data. * iconv/gconv_conf.c (add_alias): Avoid searching in tree twice to insert new alias. * iconv/gconv_db.c (add_derivation): More efficient copying. Check for error while inserting in tree. * include/time.h: Pretty print. * inet/ruserpass.c: Rewrite use of toktab to avoid string pointers in table and lots of relocations. * posix/regex.c (regerror): Rewrite use of re_error_msgid to avoid string pointers in table and lots of relocations. * intl/finddomain.c: Remove definition of strchr macro. * io/ftw.c (nftw_arr, ftw_arr): Make const. * locale/loadlocale.c (_nl_load_locale): Optimize string copying. * locale/localeinfo.h (_nl_category_names): Change into an array with fixed width char string elements. * locale/setlocale.c (_nl_category_names): Likewise. (_nl_current): Make global. * locale/nl_langinfo.c (nldata): Removed. Use _nl_current now. * malloc/Makefile (distribute): Add stackinfo.h. * sysdeps/generic/stackinfo.h: New file. * sysdeps/i386/stackinfo.h: New file. * posix/execl.c: Use stackinfo.h in optimizing alloca use. * posix/execle.c: Likewise. * posix/execlp.c: Likewise. * nis/nis_table.c (__create_ib_request): Always use realloc. * posix/execvp.c (execute): Rename to script_execute and keep only code to execute using shell. (execvp): Call execv directly and only fall back on script_execute. * resolv/inet_net_pton.c (inet_net_pton_ipv4): Remove digits define and always use xdigits instead. * resolv/res_init.c (res_init): Use rawmemchr instead of strchr where appropriate. * stdlib/fpioconst.h (__tens): New declaration. (struct mp_power): Remove array, add arrayoff element. * stdlib/fpioconst.c: Replace definitions of _ten_p* arrays by one __tens array and add in _fpioconst_pow10 offsets into __tens. * stdio-common/printf_fp.c: Rewrite to use new __tens array. * stdlib/strtod.c: Likewise. * stdlib/a64l.c (a64l_table): Avoid unnecessary elements. * stdlib/exit.c: Rewrite to use __exit_funcs being as sign for end of the list. * stdlib/atexit.c (__exit_funcs): Don't initialize. * stdlib/fmtmsg.c (keywords): Make name element fixed width array. * sunrpc/clnt_perr.c: Rewrite clnt_sperrno and auth_errmsg to use a single and an array with offsets. * sunrpc/des_soft.c (partab): Make it const. * sunrpc/key_call.c (trytimeout, tottimeout): Make const. (__key_encryptsession_pk_LOCAL): Don't initialize with 0. (__key_decryptsession_pk_LOCAL): Likewise. (__key_gendes_LOCAL): Likewise. (MESSENGER): Mark const. (key_call_private_main): Don't initialize with 0. (use_keyenvoy): Don't initialize with 0. (key_call): Rewrite to reverse logic of use_doors variable. * sunrpc/netname.c (OPSYS): Define as array, not pointer. (startp): Don't initialize with zero. * sunrpc/openchild.c (_openchild): Make first argument const. * sunrpc/pmap_rmt.c (timeout): Mark const. * sunrpc/xcrypt.c (hex): Likewise. * sysdeps/unix/sysv/linux/getcwd.c: Rewrite to allow omitting initialization of global variables. * sysdeps/unix/sysv/linux/getpt.c: Likewise. * sysdeps/unix/sysv/linux/if_index.c: Likewise. * termios/tcgetsid.c: Likewise. * sysdeps/unix/sysv/linux/i386/dl-procinfo.h (x86_cap_flags): Change fxsr to osfxsr. * time/tzfile.c (__tzfile_read): Rewrite to allocate only one memory block. Add function to free memory if wanted. * time/tzset.c (tzset_internal): Pass extra argument to __tzfile_read. * wcsmbs/wcsmbsload.c (to_wc, to_mb): Correct initializers. * wcsmbs/wmemset.c: Little code optimization.
360 lines
9.3 KiB
C
360 lines
9.3 KiB
C
/*
|
|
* Copyright (c) 1983, 1988, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
static char sccsid[] = "@(#)syslog.c 8.4 (Berkeley) 3/18/94";
|
|
#endif /* LIBC_SCCS and not lint */
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/syslog.h>
|
|
#include <sys/uio.h>
|
|
#include <netdb.h>
|
|
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <paths.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
#include <stdlib.h>
|
|
#include <bits/libc-lock.h>
|
|
#include <signal.h>
|
|
|
|
#if __STDC__
|
|
#include <stdarg.h>
|
|
#else
|
|
#include <varargs.h>
|
|
#endif
|
|
|
|
#ifdef USE_IN_LIBIO
|
|
# include <libio/iolibio.h>
|
|
# define ftell(s) _IO_ftell (s)
|
|
#endif
|
|
|
|
static int LogType = SOCK_DGRAM; /* type of socket connection */
|
|
static int LogFile = -1; /* fd for log */
|
|
static int connected; /* have done connect */
|
|
static int LogStat; /* status bits, set by openlog() */
|
|
static const char *LogTag; /* string to tag the entry with */
|
|
static int LogFacility = LOG_USER; /* default facility code */
|
|
static int LogMask = 0xff; /* mask of priorities to be logged */
|
|
extern char *__progname; /* Program name, from crt0. */
|
|
|
|
/* Define the lock. */
|
|
__libc_lock_define_initialized (static, syslog_lock)
|
|
|
|
static void openlog_internal(const char *, int, int) internal_function;
|
|
static void closelog_internal(void);
|
|
static void sigpipe_handler (int);
|
|
#ifdef _LIBC_REENTRANT
|
|
static void cancel_handler (void *);
|
|
#endif
|
|
|
|
/*
|
|
* syslog, vsyslog --
|
|
* print message on log file; output is intended for syslogd(8).
|
|
*/
|
|
void
|
|
#if __STDC__
|
|
syslog(int pri, const char *fmt, ...)
|
|
#else
|
|
syslog(pri, fmt, va_alist)
|
|
int pri;
|
|
char *fmt;
|
|
va_dcl
|
|
#endif
|
|
{
|
|
va_list ap;
|
|
|
|
#if __STDC__
|
|
va_start(ap, fmt);
|
|
#else
|
|
va_start(ap);
|
|
#endif
|
|
vsyslog(pri, fmt, ap);
|
|
va_end(ap);
|
|
}
|
|
|
|
void
|
|
vsyslog(pri, fmt, ap)
|
|
int pri;
|
|
register const char *fmt;
|
|
va_list ap;
|
|
{
|
|
struct tm now_tm;
|
|
time_t now;
|
|
int fd;
|
|
FILE *f;
|
|
char *buf = 0;
|
|
size_t bufsize = 0;
|
|
size_t prioff, msgoff;
|
|
struct sigaction action, oldaction;
|
|
struct sigaction *oldaction_ptr = NULL;
|
|
int sigpipe;
|
|
int saved_errno = errno;
|
|
|
|
#define INTERNALLOG LOG_ERR|LOG_CONS|LOG_PERROR|LOG_PID
|
|
/* Check for invalid bits. */
|
|
if (pri & ~(LOG_PRIMASK|LOG_FACMASK)) {
|
|
syslog(INTERNALLOG,
|
|
"syslog: unknown facility/priority: %x", pri);
|
|
pri &= LOG_PRIMASK|LOG_FACMASK;
|
|
}
|
|
|
|
/* Check priority against setlogmask values. */
|
|
if ((LOG_MASK (LOG_PRI (pri)) & LogMask) == 0)
|
|
return;
|
|
|
|
/* Set default facility if none specified. */
|
|
if ((pri & LOG_FACMASK) == 0)
|
|
pri |= LogFacility;
|
|
|
|
/* Build the message in a memory-buffer stream. */
|
|
f = open_memstream (&buf, &bufsize);
|
|
prioff = fprintf (f, "<%d>", pri);
|
|
(void) time (&now);
|
|
#ifdef USE_IN_LIBIO
|
|
f->_IO_write_ptr += strftime (f->_IO_write_ptr,
|
|
f->_IO_write_end - f->_IO_write_ptr,
|
|
"%h %e %T ",
|
|
__localtime_r (&now, &now_tm));
|
|
#else
|
|
f->__bufp += strftime (f->__bufp, f->__put_limit - f->__bufp,
|
|
"%h %e %T ", __localtime_r (&now, &now_tm));
|
|
#endif
|
|
msgoff = ftell (f);
|
|
if (LogTag == NULL)
|
|
LogTag = __progname;
|
|
if (LogTag != NULL)
|
|
fputs_unlocked (LogTag, f);
|
|
if (LogStat & LOG_PID)
|
|
fprintf (f, "[%d]", __getpid ());
|
|
if (LogTag != NULL)
|
|
putc_unlocked (':', f), putc_unlocked (' ', f);
|
|
|
|
/* Restore errno for %m format. */
|
|
__set_errno (saved_errno);
|
|
|
|
/* We have the header. Print the user's format into the buffer. */
|
|
vfprintf (f, fmt, ap);
|
|
|
|
/* Close the memory stream; this will finalize the data
|
|
into a malloc'd buffer in BUF. */
|
|
fclose (f);
|
|
|
|
/* Output to stderr if requested. */
|
|
if (LogStat & LOG_PERROR) {
|
|
struct iovec iov[2];
|
|
register struct iovec *v = iov;
|
|
|
|
v->iov_base = buf + msgoff;
|
|
v->iov_len = bufsize - msgoff;
|
|
++v;
|
|
v->iov_base = (char *) "\n";
|
|
v->iov_len = 1;
|
|
(void)__writev(STDERR_FILENO, iov, 2);
|
|
}
|
|
|
|
/* Prepare for multiple users. We have to take care: open and
|
|
write are cancellation points. */
|
|
__libc_cleanup_region_start ((void (*) (void *)) cancel_handler,
|
|
&oldaction_ptr);
|
|
__libc_lock_lock (syslog_lock);
|
|
|
|
/* Prepare for a broken connection. */
|
|
memset (&action, 0, sizeof (action));
|
|
action.sa_handler = sigpipe_handler;
|
|
sigemptyset (&action.sa_mask);
|
|
sigpipe = __sigaction (SIGPIPE, &action, &oldaction);
|
|
if (sigpipe == 0)
|
|
oldaction_ptr = &oldaction;
|
|
|
|
/* Get connected, output the message to the local logger. */
|
|
if (!connected)
|
|
openlog_internal(LogTag, LogStat | LOG_NDELAY, 0);
|
|
|
|
/* If we have a SOCK_STREAM connection, also send ASCII NUL as
|
|
a record terminator. */
|
|
if (LogType == SOCK_STREAM)
|
|
++bufsize;
|
|
|
|
if (!connected || __send(LogFile, buf, bufsize, 0) < 0)
|
|
{
|
|
closelog_internal (); /* attempt re-open next time */
|
|
/*
|
|
* 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)
|
|
{
|
|
dprintf (fd, "%s\r\n", buf + msgoff);
|
|
(void)__close(fd);
|
|
}
|
|
}
|
|
|
|
if (sigpipe == 0)
|
|
__sigaction (SIGPIPE, &oldaction, (struct sigaction *) NULL);
|
|
|
|
/* End of critical section. */
|
|
__libc_cleanup_region_end (0);
|
|
__libc_lock_unlock (syslog_lock);
|
|
|
|
free (buf);
|
|
}
|
|
|
|
static struct sockaddr SyslogAddr; /* AF_UNIX address of local logger */
|
|
|
|
static void
|
|
internal_function
|
|
openlog_internal(const char *ident, int logstat, int logfac)
|
|
{
|
|
if (ident != NULL)
|
|
LogTag = ident;
|
|
LogStat = logstat;
|
|
if (logfac != 0 && (logfac &~ LOG_FACMASK) == 0)
|
|
LogFacility = logfac;
|
|
|
|
while (1) {
|
|
if (LogFile == -1) {
|
|
SyslogAddr.sa_family = AF_UNIX;
|
|
(void)strncpy(SyslogAddr.sa_data, _PATH_LOG,
|
|
sizeof(SyslogAddr.sa_data));
|
|
if (LogStat & LOG_NDELAY) {
|
|
if ((LogFile = __socket(AF_UNIX, LogType, 0))
|
|
== -1)
|
|
return;
|
|
(void)__fcntl(LogFile, F_SETFD, 1);
|
|
}
|
|
}
|
|
if (LogFile != -1 && !connected)
|
|
{
|
|
int old_errno = errno;
|
|
if (__connect(LogFile, &SyslogAddr, sizeof(SyslogAddr))
|
|
== -1)
|
|
{
|
|
int saved_errno = errno;
|
|
(void)__close(LogFile);
|
|
LogFile = -1;
|
|
if (LogType == SOCK_DGRAM
|
|
&& saved_errno == EPROTOTYPE)
|
|
{
|
|
/* retry with next SOCK_STREAM: */
|
|
LogType = SOCK_STREAM;
|
|
__set_errno (old_errno);
|
|
continue;
|
|
}
|
|
} else
|
|
connected = 1;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
void
|
|
openlog (const char *ident, int logstat, int logfac)
|
|
{
|
|
/* Protect against multiple users. */
|
|
__libc_cleanup_region_start ((void (*) __P ((void *))) __libc_mutex_unlock,
|
|
&syslog_lock);
|
|
__libc_lock_lock (syslog_lock);
|
|
|
|
openlog_internal (ident, logstat, logfac);
|
|
|
|
/* Free the lock. */
|
|
__libc_cleanup_region_end (1);
|
|
}
|
|
|
|
static void
|
|
sigpipe_handler (int signo)
|
|
{
|
|
closelog_internal ();
|
|
}
|
|
|
|
static void
|
|
closelog_internal()
|
|
{
|
|
if (!connected)
|
|
return;
|
|
|
|
__close (LogFile);
|
|
LogFile = -1;
|
|
connected = 0;
|
|
}
|
|
|
|
void
|
|
closelog ()
|
|
{
|
|
/* Protect against multiple users. */
|
|
__libc_cleanup_region_start ((void (*) __P ((void *))) __libc_mutex_unlock,
|
|
&syslog_lock);
|
|
__libc_lock_lock (syslog_lock);
|
|
|
|
closelog_internal ();
|
|
LogTag = NULL;
|
|
|
|
/* Free the lock. */
|
|
__libc_cleanup_region_end (1);
|
|
}
|
|
|
|
#ifdef _LIBC_REENTRANT
|
|
static void
|
|
cancel_handler (void *ptr)
|
|
{
|
|
/* Restore the old signal handler. */
|
|
struct sigaction *oldaction = *((struct sigaction **) ptr);
|
|
|
|
if (oldaction != (struct sigaction *) NULL)
|
|
__sigaction (SIGPIPE, oldaction, (struct sigaction *) NULL);
|
|
|
|
/* Free the lock. */
|
|
__libc_lock_unlock (syslog_lock);
|
|
}
|
|
#endif
|
|
|
|
/* setlogmask -- set the log mask level */
|
|
int
|
|
setlogmask(pmask)
|
|
int pmask;
|
|
{
|
|
int omask;
|
|
|
|
omask = LogMask;
|
|
if (pmask != 0)
|
|
LogMask = pmask;
|
|
return (omask);
|
|
}
|