tests: Set errno in FuzzedFileProvider. Implement seek(..., ..., SEEK_END).
tests: Set errno in FuzzedFileProvider. Implement seek(..., ..., SEEK_END).

andreaskern/bitcoin,qtumproject/qtum,jlopp/statoshi,anditto/bitcoin,prusnak/bitcoin,prusnak/bitcoin,kallewoof/bitcoin,GroestlCoin/GroestlCoin,apoelstra/bitcoin,achow101/bitcoin,dscotese/bitcoin,dscotese/bitcoin,mm-s/bitcoin,mruddy/bitcoin,Xekyo/bitcoin,ElementsProject/elements,kallewoof/bitcoin,GroestlCoin/GroestlCoin,ajtowns/bitcoin,dscotese/bitcoin,ElementsProject/elements,sipsorcery/bitcoin,mm-s/bitcoin,namecoin/namecoin-core,tecnovert/particl-core,domob1812/bitcoin,tecnovert/particl-core,dscotese/bitcoin,dscotese/bitcoin,qtumproject/qtum,fanquake/bitcoin,prusnak/bitcoin,namecoin/namecore,apoelstra/bitcoin,pataquets/namecoin-core,mruddy/bitcoin,qtumproject/qtum,prusnak/bitcoin,apoelstra/bitcoin,tecnovert/particl-core,tecnovert/particl-core,bitcoinsSG/bitcoin,jambolo/bitcoin,domob1812/bitcoin,domob1812/namecore,AkioNak/bitcoin,tecnovert/particl-core,ajtowns/bitcoin,domob1812/namecore,bitcoinknots/bitcoin,pataquets/namecoin-core,bitcoin/bitcoin,jlopp/statoshi,qtumproject/qtum,bitcoinknots/bitcoin,sstone/bitcoin,sstone/bitcoin,prusnak/bitcoin,bitcoinsSG/bitcoin,MarcoFalke/bitcoin,jamesob/bitcoin,AkioNak/bitcoin,namecoin/namecoin-core,rnicoll/bitcoin,ajtowns/bitcoin,anditto/bitcoin,Xekyo/bitcoin,particl/particl-core,ajtowns/bitcoin,achow101/bitcoin,jlopp/statoshi,JeremyRubin/bitcoin,andreaskern/bitcoin,particl/particl-core,mruddy/bitcoin,anditto/bitcoin,yenliangl/bitcoin,jamesob/bitcoin,lateminer/bitcoin,lateminer/bitcoin,yenliangl/bitcoin,jambolo/bitcoin,MarcoFalke/bitcoin,fujicoin/fujicoin,MarcoFalke/bitcoin,sstone/bitcoin,jlopp/statoshi,bitcoin/bitcoin,apoelstra/bitcoin,mm-s/bitcoin,AkioNak/bitcoin,instagibbs/bitcoin,kallewoof/bitcoin,kallewoof/bitcoin,ElementsProject/elements,pataquets/namecoin-core,domob1812/bitcoin,qtumproject/qtum,Xekyo/bitcoin,bitcoinsSG/bitcoin,GroestlCoin/bitcoin,yenliangl/bitcoin,andreaskern/bitcoin,fujicoin/fujicoin,jamesob/bitcoin,sipsorcery/bitcoin,anditto/bitcoin,fujicoin/fujicoin,MarcoFalke/bitcoin,namecoin/namecoin-core,bitcoinsSG/bitcoin,jambolo/bitcoin,lateminer/bitcoin,kallewoof/bitcoin,ajtowns/bitcoin,namecoin/namecore,anditto/bitcoin,JeremyRubin/bitcoin,apoelstra/bitcoin,jambolo/bitcoin,prusnak/bitcoin,jambolo/bitcoin,lateminer/bitcoin,mm-s/bitcoin,domob1812/bitcoin,sstone/bitcoin,sipsorcery/bitcoin,bitcoinknots/bitcoin,namecoin/namecore,bitcoin/bitcoin,instagibbs/bitcoin,fanquake/bitcoin,GroestlCoin/GroestlCoin,mm-s/bitcoin,jamesob/bitcoin,fanquake/bitcoin,GroestlCoin/bitcoin,yenliangl/bitcoin,jamesob/bitcoin,fujicoin/fujicoin,jlopp/statoshi,mruddy/bitcoin,rnicoll/bitcoin,AkioNak/bitcoin,particl/particl-core,GroestlCoin/GroestlCoin,rnicoll/bitcoin,namecoin/namecore,sipsorcery/bitcoin,apoelstra/bitcoin,bitcoinknots/bitcoin,lateminer/bitcoin,jlopp/statoshi,instagibbs/bitcoin,pataquets/namecoin-core,GroestlCoin/bitcoin,pataquets/namecoin-core,namecoin/namecoin-core,fanquake/bitcoin,JeremyRubin/bitcoin,fujicoin/fujicoin,instagibbs/bitcoin,achow101/bitcoin,particl/particl-core,achow101/bitcoin,AkioNak/bitcoin,Xekyo/bitcoin,Xekyo/bitcoin,ElementsProject/elements,pataquets/namecoin-core,GroestlCoin/GroestlCoin,ajtowns/bitcoin,instagibbs/bitcoin,MarcoFalke/bitcoin,achow101/bitcoin,mruddy/bitcoin,jamesob/bitcoin,bitcoin/bitcoin,yenliangl/bitcoin,ElementsProject/elements,sstone/bitcoin,bitcoin/bitcoin,bitcoinknots/bitcoin,namecoin/namecore,sstone/bitcoin,qtumproject/qtum,Xekyo/bitcoin,ElementsProject/elements,domob1812/bitcoin,AkioNak/bitcoin,sipsorcery/bitcoin,bitcoinsSG/bitcoin,instagibbs/bitcoin,namecoin/namecoin-core,particl/particl-core,bitcoinsSG/bitcoin,domob1812/namecore,rnicoll/bitcoin,namecoin/namecoin-core,domob1812/bitcoin,GroestlCoin/GroestlCoin,domob1812/namecore,fanquake/bitcoin,JeremyRubin/bitcoin,JeremyRubin/bitcoin,bitcoin/bitcoin,jambolo/bitcoin,JeremyRubin/bitcoin,rnicoll/bitcoin,fanquake/bitcoin,domob1812/namecore,dscotese/bitcoin,andreaskern/bitcoin,sipsorcery/bitcoin,yenliangl/bitcoin,fujicoin/fujicoin,lateminer/bitcoin,rnicoll/bitcoin,namecoin/namecore,qtumproject/qtum,anditto/bitcoin,andreaskern/bitcoin,MarcoFalke/bitcoin,andreaskern/bitcoin,tecnovert/particl-core,GroestlCoin/bitcoin,particl/particl-core,GroestlCoin/bitcoin,mm-s/bitcoin,domob1812/namecore,kallewoof/bitcoin,mruddy/bitcoin,achow101/bitcoin,GroestlCoin/bitcoin