diff options
| -rw-r--r-- | ChangeLog | 1 | ||||
| -rw-r--r-- | configure.ac | 14 | ||||
| -rw-r--r-- | tools/Makefile.am | 6 | ||||
| -rw-r--r-- | tools/gethostn.c | 46 |
4 files changed, 66 insertions, 1 deletions
@@ -2,6 +2,7 @@ Version 3.21.0 [DEVEL] (rgerhards), 2008-??-?? - added a generic test driver for RainerScript plus some test cases to the testbench +- added a samll diagnostic tool to obtain result of gethostname() API --------------------------------------------------------------------------- Version 3.19.11 [BETA] (rgerhards), 2008-??-?? --------------------------------------------------------------------------- diff --git a/configure.ac b/configure.ac index 43888d64..91641416 100644 --- a/configure.ac +++ b/configure.ac @@ -326,6 +326,19 @@ if test "$enable_valgrind" = "yes"; then fi +# compile diagnostic tools (small helpers usually not needed) +AC_ARG_ENABLE(diagtools, + [AS_HELP_STRING([--enable-diagtools],[Enable diagnostic tools @<:@default=no@:>@])], + [case "${enableval}" in + yes) enable_diagtools="yes" ;; + no) enable_diagtools="no" ;; + *) AC_MSG_ERROR(bad value ${enableval} for --enable-diagtools) ;; + esac], + [enable_mail=no] +) +AM_CONDITIONAL(ENABLE_DIAGTOOLS, test x$enable_diagtools = xyes) + + # MySQL support AC_ARG_ENABLE(mysql, @@ -666,6 +679,7 @@ echo "GnuTLS network stream driver enabled: $enable_gnutls" echo "Enable GSSAPI Kerberos 5 support: $want_gssapi_krb5" echo "Debug mode enabled: $enable_debug" echo "Runtime Instrumentation enabled: $enable_rtinst" +echo "Diagnostic tools enabled: $enable_diagtools" echo "valgrind support settings enabled: $enable_valgrind" echo "rsyslog runtime will be built: $enable_rsyslogrt" echo "rsyslogd will be built: $enable_rsyslogd" diff --git a/tools/Makefile.am b/tools/Makefile.am index b2b7a8ca..a265af9c 100644 --- a/tools/Makefile.am +++ b/tools/Makefile.am @@ -21,9 +21,13 @@ rsyslogd_SOURCES = \ pidfile.h \ \ ../dirty.h - rsyslogd_CPPFLAGS = $(pthreads_cflags) $(rsrt_cflags) rsyslogd_LDADD = $(zlib_libs) $(pthreads_libs) $(rsrt_libs) rsyslogd_LDFLAGS = -export-dynamic +if ENABLE_DIAGTOOLS +sbin_PROGRAMS += rsyslog_diag_hostname +rsyslog_diag_hostname_SOURCES = gethostn.c +endif + EXTRA_DIST = $(man_MANS) diff --git a/tools/gethostn.c b/tools/gethostn.c new file mode 100644 index 00000000..746b9381 --- /dev/null +++ b/tools/gethostn.c @@ -0,0 +1,46 @@ +/* gethostn - a small diagnostic utility to show what the + * gethostname() API returns. Of course, this tool duplicates + * functionality already found in other tools. But the point is + * that the API shall be called by a program that is compiled like + * rsyslogd and does exactly what rsyslog does. + * + * Copyright 2008 Rainer Gerhards and Adiscon GmbH. + * + * This file is part of rsyslog. + * + * Rsyslog is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * Rsyslog is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Rsyslog. If not, see <http://www.gnu.org/licenses/>. + * + * A copy of the GPL can be found in the file "COPYING" in this distribution. + */ + +#include "config.h" +#include <stdio.h> +#include <unistd.h> + +int main(int __attribute__((unused)) argc, char __attribute__((unused)) *argv[]) +{ + char hostname[4096]; /* this should always be sufficient ;) */ + int err; + + err = gethostname(hostname, sizeof(hostname)); + + if(err) { + perror("gethostname failed"); + exit(1); + } + + printf("hostname of this system is '%s'.\n", hostname); + + return 0; +} |