[mod_cluster-issues] [JBoss JIRA] (MODCLUSTER-414) Fix compilation warnings in the native part

Fix compilation warnings in the native part ------------------------------------------- Key: MODCLUSTER-414 URL: https://issues.jboss.org/browse/MODCLUSTER-414 Project: mod_cluster Issue Type: Feature Request Security Level: Public(Everyone can see) Components: Native (httpd modules) Affects Versions: 1.3.0.Final Reporter: Radoslav Husar Assignee: Radoslav Husar Fix For: 1.3.1.Final There are currently 14 warnings: {noformat} [rhusar@x220 native]$ for x in advertise mod_cluster_slotmem mod_manager mod_proxy_cluster; do cd $x; ./buildconf; ./configure --with-apxs=/usr/bin/apxs; make clean; make; cd ..; done Creating configure ... checking for Apache httpd installation... APXS is /usr/bin/apxs apxs_support is true configure: creating ./config.status config.status: creating Makefile make[1]: Entering directory `/home/rhusar/git/mod_cluster/native/advertise' rm -f *.o *.lo *.slo *.obj *.a *.la rm -rf .libs make[1]: Leaving directory `/home/rhusar/git/mod_cluster/native/advertise' rm -f *.o *.lo *.slo *.so rm -rf .libs /usr/lib64/apr-1/build/libtool --silent --mode=compile gcc -std=gnu99 -pthread -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -DLINUX -D_REENTRANT -D_GNU_SOURCE -I/usr/include/httpd -I. -I/usr/include/apr-1 -I../include -prefer-pic -c mod_advertise.c && touch mod_advertise.slo mod_advertise.c: In function 'cmd_advertise_g': mod_advertise.c:178:34: warning: comparison with string literal results in unspecified behavior [-Waddress] mconf->ma_advertise_adrs != MA_DEFAULT_GROUP) ^ mod_advertise.c: In function 'post_config_hook': mod_advertise.c:657:13: warning: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'int' [-Wformat=] ptr = apr_psprintf(pproc, "%s:%lu", ma_server_rec->server_hostname, port); ^ mod_advertise.c: In function 'advertise_info': mod_advertise.c:734:24: warning: format '%d' expects argument of type 'int', but argument 6 has type 'long int' [-Wformat=] ); ^ mod_advertise.c: At top level: mod_advertise.c:89:26: warning: 'ma_listen_socket' defined but not used [-Wunused-variable] static apr_socket_t *ma_listen_socket = NULL; ^ /usr/lib64/apr-1/build/libtool --silent --mode=link gcc -std=gnu99 -pthread -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -Wl,-z,relro,-z,now -o mod_advertise.la -rpath /usr/lib64/httpd/modules -module -avoid-version mod_advertise.lo /usr/lib64/httpd/build/instdso.sh SH_LIBTOOL='/usr/lib64/apr-1/build/libtool --silent' mod_advertise.la `pwd` /usr/lib64/apr-1/build/libtool --silent --mode=install install mod_advertise.la /home/rhusar/modc/native/advertise/ libtool: install: warning: remember to run `libtool --finish /usr/lib64/httpd/modules' Creating configure ... checking for Apache httpd installation... APXS is /usr/bin/apxs apxs_support is true configure: creating ./config.status config.status: creating Makefile make[1]: Entering directory `/home/rhusar/git/mod_cluster/native/mod_cluster_slotmem' rm -f *.o *.lo *.slo *.obj *.a *.la rm -rf .libs make[1]: Leaving directory `/home/rhusar/git/mod_cluster/native/mod_cluster_slotmem' rm -f *.o *.lo *.slo *.so rm -rf .libs /usr/lib64/apr-1/build/libtool --silent --mode=compile gcc -std=gnu99 -pthread -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -DLINUX -D_REENTRANT -D_GNU_SOURCE -I/usr/include/httpd -I. -I/usr/include/apr-1 -I../include -prefer-pic -c sharedmem_util.c && touch sharedmem_util.slo /usr/lib64/apr-1/build/libtool --silent --mode=compile gcc -std=gnu99 -pthread -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -DLINUX -D_REENTRANT -D_GNU_SOURCE -I/usr/include/httpd -I. -I/usr/include/apr-1 -I../include -prefer-pic -c mod_sharedmem.c && touch mod_sharedmem.slo /usr/lib64/apr-1/build/libtool --silent --mode=link gcc -std=gnu99 -pthread -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -Wl,-z,relro,-z,now -o mod_cluster_slotmem.la -rpath /usr/lib64/httpd/modules -module -avoid-version mod_sharedmem.lo sharedmem_util.lo /usr/lib64/httpd/build/instdso.sh SH_LIBTOOL='/usr/lib64/apr-1/build/libtool --silent' mod_cluster_slotmem.la `pwd` /usr/lib64/apr-1/build/libtool --silent --mode=install install mod_cluster_slotmem.la /home/rhusar/modc/native/mod_cluster_slotmem/ libtool: install: warning: remember to run `libtool --finish /usr/lib64/httpd/modules' Creating configure ... checking for Apache httpd installation... APXS is /usr/bin/apxs apxs_support is true configure: creating ./config.status config.status: creating Makefile make[1]: Entering directory `/home/rhusar/git/mod_cluster/native/mod_manager' rm -f *.o *.lo *.slo *.obj *.a *.la rm -rf .libs make[1]: Leaving directory `/home/rhusar/git/mod_cluster/native/mod_manager' rm -f *.o *.lo *.slo *.so rm -rf .libs /usr/lib64/apr-1/build/libtool --silent --mode=compile gcc -std=gnu99 -pthread -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -DLINUX -D_REENTRANT -D_GNU_SOURCE -I/usr/include/httpd -I. -I/usr/include/apr-1 -I../include -prefer-pic -c mod_manager.c && touch mod_manager.slo /usr/lib64/apr-1/build/libtool --silent --mode=compile gcc -std=gnu99 -pthread -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -DLINUX -D_REENTRANT -D_GNU_SOURCE -I/usr/include/httpd -I. -I/usr/include/apr-1 -I../include -prefer-pic -c node.c && touch node.slo /usr/lib64/apr-1/build/libtool --silent --mode=compile gcc -std=gnu99 -pthread -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -DLINUX -D_REENTRANT -D_GNU_SOURCE -I/usr/include/httpd -I. -I/usr/include/apr-1 -I../include -prefer-pic -c context.c && touch context.slo context.c: In function 'remove_context': context.c:182:5: warning: 'rv' may be used uninitialized in this function [-Wmaybe-uninitialized] return rv; ^ /usr/lib64/apr-1/build/libtool --silent --mode=compile gcc -std=gnu99 -pthread -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -DLINUX -D_REENTRANT -D_GNU_SOURCE -I/usr/include/httpd -I. -I/usr/include/apr-1 -I../include -prefer-pic -c host.c && touch host.slo host.c: In function 'remove_host': host.c:179:5: warning: 'rv' may be used uninitialized in this function [-Wmaybe-uninitialized] return rv; ^ /usr/lib64/apr-1/build/libtool --silent --mode=compile gcc -std=gnu99 -pthread -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -DLINUX -D_REENTRANT -D_GNU_SOURCE -I/usr/include/httpd -I. -I/usr/include/apr-1 -I../include -prefer-pic -c balancer.c && touch balancer.slo balancer.c: In function 'remove_balancer': balancer.c:179:5: warning: 'rv' may be used uninitialized in this function [-Wmaybe-uninitialized] return rv; ^ /usr/lib64/apr-1/build/libtool --silent --mode=compile gcc -std=gnu99 -pthread -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -DLINUX -D_REENTRANT -D_GNU_SOURCE -I/usr/include/httpd -I. -I/usr/include/apr-1 -I../include -prefer-pic -c sessionid.c && touch sessionid.slo sessionid.c: In function 'remove_sessionid': sessionid.c:179:5: warning: 'rv' may be used uninitialized in this function [-Wmaybe-uninitialized] return rv; ^ /usr/lib64/apr-1/build/libtool --silent --mode=compile gcc -std=gnu99 -pthread -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -DLINUX -D_REENTRANT -D_GNU_SOURCE -I/usr/include/httpd -I. -I/usr/include/apr-1 -I../include -prefer-pic -c domain.c && touch domain.slo domain.c: In function 'remove_domain': domain.c:179:5: warning: 'rv' may be used uninitialized in this function [-Wmaybe-uninitialized] return rv; ^ /usr/lib64/apr-1/build/libtool --silent --mode=compile gcc -std=gnu99 -pthread -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -DLINUX -D_REENTRANT -D_GNU_SOURCE -I/usr/include/httpd -I. -I/usr/include/apr-1 -I../include -prefer-pic -c jgroupsid.c && touch jgroupsid.slo jgroupsid.c: In function 'remove_jgroupsid': jgroupsid.c:175:5: warning: 'rv' may be used uninitialized in this function [-Wmaybe-uninitialized] return rv; ^ /usr/lib64/apr-1/build/libtool --silent --mode=link gcc -std=gnu99 -pthread -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -Wl,-z,relro,-z,now -o mod_manager.la -rpath /usr/lib64/httpd/modules -module -avoid-version mod_manager.lo node.lo context.lo host.lo balancer.lo sessionid.lo domain.lo jgroupsid.lo /usr/lib64/httpd/build/instdso.sh SH_LIBTOOL='/usr/lib64/apr-1/build/libtool --silent' mod_manager.la `pwd` /usr/lib64/apr-1/build/libtool --silent --mode=install install mod_manager.la /home/rhusar/modc/native/mod_manager/ libtool: install: warning: remember to run `libtool --finish /usr/lib64/httpd/modules' Creating configure ... checking for Apache httpd installation... APXS is /usr/bin/apxs apxs_support is true configure: creating ./config.status config.status: creating Makefile make[1]: Entering directory `/home/rhusar/git/mod_cluster/native/mod_proxy_cluster' rm -f *.o *.lo *.slo *.obj *.a *.la rm -rf .libs make[1]: Leaving directory `/home/rhusar/git/mod_cluster/native/mod_proxy_cluster' rm -f *.o *.lo *.slo *.so rm -rf .libs /usr/lib64/apr-1/build/libtool --silent --mode=compile gcc -std=gnu99 -pthread -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -DLINUX -D_REENTRANT -D_GNU_SOURCE -I/usr/include/httpd -I. -I/usr/include/apr-1 -I../include -prefer-pic -c mod_proxy_cluster.c && touch mod_proxy_cluster.slo mod_proxy_cluster.c: In function 'add_balancer_node': mod_proxy_cluster.c:677:12: warning: unused variable 'sizew' [-Wunused-variable] int sizew = conf->workers->elt_size; ^ mod_proxy_cluster.c: In function 'remove_workers_node': mod_proxy_cluster.c:958:13: warning: unused variable 'sizeb' [-Wunused-variable] int sizeb = conf->balancers->elt_size; ^ mod_proxy_cluster.c:957:15: warning: unused variable 'ptr' [-Wunused-variable] char *ptr = conf->balancers->elts; ^ mod_proxy_cluster.c:956:15: warning: unused variable 'name' [-Wunused-variable] char *name = apr_pstrcat(pool, "balancer://", node->mess.balancer, NULL); ^ mod_proxy_cluster.c: In function 'proxy_cluster_try_pingpong': mod_proxy_cluster.c:1419:9: warning: format '%d' expects argument of type 'int', but argument 8 has type 'struct conn_rec *' [-Wformat=] ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server, ^ mod_proxy_cluster.c: In function 'proxy_cluster_post_config': mod_proxy_cluster.c:2669:17: warning: unused variable 'userdata_key' [-Wunused-variable] const char *userdata_key = "mod_cluster_init"; ^ mod_proxy_cluster.c: In function 'find_node_context_host.isra.19': mod_proxy_cluster.c:1709:21: warning: 'balancer' may be used uninitialized in this function [-Wmaybe-uninitialized] proxy_balancer *balancer; ^ /usr/lib64/apr-1/build/libtool --silent --mode=link gcc -std=gnu99 -pthread -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -Wl,-z,relro,-z,now -o mod_proxy_cluster.la -rpath /usr/lib64/httpd/modules -module -avoid-version mod_proxy_cluster.lo /usr/lib64/httpd/build/instdso.sh SH_LIBTOOL='/usr/lib64/apr-1/build/libtool --silent' mod_proxy_cluster.la `pwd` /usr/lib64/apr-1/build/libtool --silent --mode=install install mod_proxy_cluster.la /home/rhusar/modc/native/mod_proxy_cluster/ libtool: install: warning: remember to run `libtool --finish /usr/lib64/httpd/modules' {noformat}