X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/678bc33eaf95356d1b63090d220b65162478b89a..847d81b8e95610240f782daeaf154df69b3dd80c:/methods/gzip.cc?ds=sidebyside diff --git a/methods/gzip.cc b/methods/gzip.cc index c0092c755..f732c0b86 100644 --- a/methods/gzip.cc +++ b/methods/gzip.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: gzip.cc,v 1.13 2001/03/11 05:30:20 jgg Exp $ +// $Id: gzip.cc,v 1.17.2.1 2004/01/16 18:58:50 mdz Exp $ /* ###################################################################### GZip method - Take a file URI in and decompress it into the target @@ -20,8 +20,11 @@ #include #include #include +#include /*}}}*/ +const char *Prog; + class GzipMethod : public pkgAcqMethod { virtual bool Fetch(FetchItem *Itm); @@ -34,13 +37,14 @@ class GzipMethod : public pkgAcqMethod // GzipMethod::Fetch - Decompress the passed URI /*{{{*/ // --------------------------------------------------------------------- -/* This forks gzip and hashes the resulting decompressed output as it - flows to the destination file */ +/* */ bool GzipMethod::Fetch(FetchItem *Itm) { URI Get = Itm->Uri; string Path = Get.Host + Get.Path; // To account for relative paths + string GzPathOption = "Dir::bin::"+string(Prog); + FetchResult Res; Res.Filename = Itm->DestFile; URIStart(Res); @@ -48,12 +52,19 @@ bool GzipMethod::Fetch(FetchItem *Itm) // Open the source and destination files FileFd From(Path,FileFd::ReadOnly); + // if the file is empty, just rename it and return + if(From.Size() == 0) + { + rename(Path.c_str(), Itm->DestFile.c_str()); + return true; + } + int GzOut[2]; if (pipe(GzOut) < 0) - return _error->Errno("pipe","Couldn't open pipe for gzip"); + return _error->Errno("pipe",_("Couldn't open pipe for %s"),Prog); // Fork gzip - int Process = ExecFork(); + pid_t Process = ExecFork(); if (Process == 0) { close(GzOut[0]); @@ -65,7 +76,8 @@ bool GzipMethod::Fetch(FetchItem *Itm) SetCloseExec(STDOUT_FILENO,false); const char *Args[3]; - Args[0] = _config->Find("Dir::bin::gzip","gzip").c_str(); + string Tmp = _config->Find(GzPathOption,Prog); + Args[0] = Tmp.c_str(); Args[1] = "-d"; Args[2] = 0; execvp(Args[0],(char **)Args); @@ -94,7 +106,7 @@ bool GzipMethod::Fetch(FetchItem *Itm) if (Count < 0) { - _error->Errno("read", "Read error from gzip process"); + _error->Errno("read", _("Read error from %s process"),Prog); Failed = true; break; } @@ -104,14 +116,15 @@ bool GzipMethod::Fetch(FetchItem *Itm) Hash.Add(Buffer,Count); if (To.Write(Buffer,Count) == false) - { + { Failed = true; + FromGz.Close(); break; - } + } } // Wait for gzip to finish - if (ExecWait(Process,_config->Find("Dir::bin::gzip","gzip").c_str(),false) == false) + if (ExecWait(Process,_config->Find(GzPathOption,Prog).c_str(),false) == false) { To.OpFail(); return false; @@ -125,21 +138,21 @@ bool GzipMethod::Fetch(FetchItem *Itm) // Transfer the modification times struct stat Buf; if (stat(Path.c_str(),&Buf) != 0) - return _error->Errno("stat","Failed to stat"); + return _error->Errno("stat",_("Failed to stat")); struct utimbuf TimeBuf; TimeBuf.actime = Buf.st_atime; TimeBuf.modtime = Buf.st_mtime; if (utime(Itm->DestFile.c_str(),&TimeBuf) != 0) - return _error->Errno("utime","Failed to set modification time"); + return _error->Errno("utime",_("Failed to set modification time")); if (stat(Itm->DestFile.c_str(),&Buf) != 0) - return _error->Errno("stat","Failed to stat"); + return _error->Errno("stat",_("Failed to stat")); // Return a Done response Res.LastModified = Buf.st_mtime; Res.Size = Buf.st_size; - Res.MD5Sum = Hash.MD5.Result(); + Res.TakeHashes(Hash); URIDone(Res); @@ -147,8 +160,14 @@ bool GzipMethod::Fetch(FetchItem *Itm) } /*}}}*/ -int main() +int main(int argc, char *argv[]) { + setlocale(LC_ALL, ""); + GzipMethod Mth; + + Prog = strrchr(argv[0],'/'); + Prog++; + return Mth.Run(); }