Avoid malloc(0).  Although standard mallocs seem not to object, some debugging malloc packages do.
Avoid malloc(0).  Although standard mallocs seem not to object,
some debugging malloc packages do.

zaksoup/gpdb,edespino/gpdb,ovr/postgres-xl,50wu/gpdb,xuegang/gpdb,cjcjameson/gpdb,lpetrov-pivotal/gpdb,tpostgres-projects/tPostgres,greenplum-db/gpdb,lintzc/gpdb,lintzc/gpdb,zaksoup/gpdb,50wu/gpdb,ahachete/gpdb,cjcjameson/gpdb,jmcatamney/gpdb,ashwinstar/gpdb,greenplum-db/gpdb,kaknikhil/gpdb,CraigHarris/gpdb,tpostgres-projects/tPostgres,50wu/gpdb,rubikloud/gpdb,xuegang/gpdb,janebeckman/gpdb,ashwinstar/gpdb,arcivanov/postgres-xl,xinzweb/gpdb,lintzc/gpdb,ahachete/gpdb,0x0FFF/gpdb,techdragon/Postgres-XL,zaksoup/gpdb,royc1/gpdb,CraigHarris/gpdb,oberstet/postgres-xl,0x0FFF/gpdb,rvs/gpdb,lisakowen/gpdb,tpostgres-projects/tPostgres,greenplum-db/gpdb,greenplum-db/gpdb,janebeckman/gpdb,atris/gpdb,kmjungersen/PostgresXL,rubikloud/gpdb,lisakowen/gpdb,lintzc/gpdb,xuegang/gpdb,lisakowen/gpdb,atris/gpdb,edespino/gpdb,yazun/postgres-xl,0x0FFF/gpdb,atris/gpdb,chrishajas/gpdb,cjcjameson/gpdb,adam8157/gpdb,jmcatamney/gpdb,edespino/gpdb,xinzweb/gpdb,Chibin/gpdb,kaknikhil/gpdb,arcivanov/postgres-xl,janebeckman/gpdb,postmind-net/postgres-xl,rvs/gpdb,postmind-net/postgres-xl,randomtask1155/gpdb,0x0FFF/gpdb,kmjungersen/PostgresXL,xuegang/gpdb,cjcjameson/gpdb,janebeckman/gpdb,greenplum-db/gpdb,rvs/gpdb,rvs/gpdb,Quikling/gpdb,rvs/gpdb,kaknikhil/gpdb,oberstet/postgres-xl,foyzur/gpdb,yuanzhao/gpdb,xinzweb/gpdb,janebeckman/gpdb,royc1/gpdb,randomtask1155/gpdb,arcivanov/postgres-xl,yazun/postgres-xl,xinzweb/gpdb,cjcjameson/gpdb,tangp3/gpdb,50wu/gpdb,atris/gpdb,0x0FFF/gpdb,randomtask1155/gpdb,jmcatamney/gpdb,randomtask1155/gpdb,50wu/gpdb,0x0FFF/gpdb,techdragon/Postgres-XL,edespino/gpdb,janebeckman/gpdb,pavanvd/postgres-xl,0x0FFF/gpdb,yuanzhao/gpdb,lpetrov-pivotal/gpdb,foyzur/gpdb,rubikloud/gpdb,techdragon/Postgres-XL,royc1/gpdb,ahachete/gpdb,Chibin/gpdb,jmcatamney/gpdb,jmcatamney/gpdb,chrishajas/gpdb,ashwinstar/gpdb,ashwinstar/gpdb,zaksoup/gpdb,zeroae/postgres-xl,50wu/gpdb,royc1/gpdb,CraigHarris/gpdb,edespino/gpdb,Quikling/gpdb,lpetrov-pivotal/gpdb,Chibin/gpdb,yazun/postgres-xl,edespino/gpdb,atris/gpdb,adam8157/gpdb,edespino/gpdb,lisakowen/gpdb,snaga/postgres-xl,chrishajas/gpdb,Postgres-XL/Postgres-XL,postmind-net/postgres-xl,techdragon/Postgres-XL,Chibin/gpdb,atris/gpdb,tangp3/gpdb,yuanzhao/gpdb,edespino/gpdb,zaksoup/gpdb,randomtask1155/gpdb,royc1/gpdb,Quikling/gpdb,zeroae/postgres-xl,atris/gpdb,Chibin/gpdb,yuanzhao/gpdb,snaga/postgres-xl,kaknikhil/gpdb,pavanvd/postgres-xl,Chibin/gpdb,Postgres-XL/Postgres-XL,janebeckman/gpdb,edespino/gpdb,janebeckman/gpdb,kmjungersen/PostgresXL,ahachete/gpdb,Postgres-XL/Postgres-XL,tangp3/gpdb,lpetrov-pivotal/gpdb,greenplum-db/gpdb,kaknikhil/gpdb,postmind-net/postgres-xl,ovr/postgres-xl,foyzur/gpdb,cjcjameson/gpdb,foyzur/gpdb,kaknikhil/gpdb,tangp3/gpdb,ovr/postgres-xl,foyzur/gpdb,xinzweb/gpdb,foyzur/gpdb,yazun/postgres-xl,xuegang/gpdb,ahachete/gpdb,pavanvd/postgres-xl,jmcatamney/gpdb,lintzc/gpdb,Chibin/gpdb,lintzc/gpdb,randomtask1155/gpdb,kmjungersen/PostgresXL,ovr/postgres-xl,lintzc/gpdb,randomtask1155/gpdb,zaksoup/gpdb,Quikling/gpdb,xuegang/gpdb,rvs/gpdb,Postgres-XL/Postgres-XL,ashwinstar/gpdb,cjcjameson/gpdb,yuanzhao/gpdb,rvs/gpdb,adam8157/gpdb,0x0FFF/gpdb,postmind-net/postgres-xl,royc1/gpdb,ahachete/gpdb,adam8157/gpdb,xinzweb/gpdb,foyzur/gpdb,xinzweb/gpdb,edespino/gpdb,CraigHarris/gpdb,Quikling/gpdb,zaksoup/gpdb,rvs/gpdb,rvs/gpdb,rubikloud/gpdb,CraigHarris/gpdb,janebeckman/gpdb,kaknikhil/gpdb,CraigHarris/gpdb,adam8157/gpdb,lisakowen/gpdb,ashwinstar/gpdb,greenplum-db/gpdb,CraigHarris/gpdb,randomtask1155/gpdb,adam8157/gpdb,tangp3/gpdb,ashwinstar/gpdb,tpostgres-projects/tPostgres,greenplum-db/gpdb,lisakowen/gpdb,royc1/gpdb,Quikling/gpdb,lisakowen/gpdb,50wu/gpdb,lpetrov-pivotal/gpdb,adam8157/gpdb,lpetrov-pivotal/gpdb,janebeckman/gpdb,oberstet/postgres-xl,rubikloud/gpdb,snaga/postgres-xl,pavanvd/postgres-xl,arcivanov/postgres-xl,Quikling/gpdb,zeroae/postgres-xl,Quikling/gpdb,xuegang/gpdb,50wu/gpdb,CraigHarris/gpdb,chrishajas/gpdb,chrishajas/gpdb,jmcatamney/gpdb,cjcjameson/gpdb,yuanzhao/gpdb,yuanzhao/gpdb,lpetrov-pivotal/gpdb,techdragon/Postgres-XL,kaknikhil/gpdb,zeroae/postgres-xl,rubikloud/gpdb,yuanzhao/gpdb,snaga/postgres-xl,oberstet/postgres-xl,kmjungersen/PostgresXL,tangp3/gpdb,lpetrov-pivotal/gpdb,chrishajas/gpdb,foyzur/gpdb,cjcjameson/gpdb,kaknikhil/gpdb,Quikling/gpdb,CraigHarris/gpdb,ovr/postgres-xl,yuanzhao/gpdb,Postgres-XL/Postgres-XL,Chibin/gpdb,lisakowen/gpdb,tpostgres-projects/tPostgres,ashwinstar/gpdb,chrishajas/gpdb,chrishajas/gpdb,lintzc/gpdb,snaga/postgres-xl,rvs/gpdb,zeroae/postgres-xl,kaknikhil/gpdb,Chibin/gpdb,pavanvd/postgres-xl,royc1/gpdb,arcivanov/postgres-xl,xinzweb/gpdb,xuegang/gpdb,atris/gpdb,jmcatamney/gpdb,Chibin/gpdb,xuegang/gpdb,ahachete/gpdb,cjcjameson/gpdb,zaksoup/gpdb,Quikling/gpdb,rubikloud/gpdb,arcivanov/postgres-xl,yazun/postgres-xl,tangp3/gpdb,adam8157/gpdb,lintzc/gpdb,ahachete/gpdb,yuanzhao/gpdb,rubikloud/gpdb,oberstet/postgres-xl,tangp3/gpdb