X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/52b47296f61ec3ca1075bbfb44982f5caa541e7c..98cc7fd2c1d397623960baf69ae3cec04a87a23e:/ftparchive/multicompress.cc diff --git a/ftparchive/multicompress.cc b/ftparchive/multicompress.cc index 2a930ca6b..08a3cff5a 100644 --- a/ftparchive/multicompress.cc +++ b/ftparchive/multicompress.cc @@ -20,12 +20,15 @@ #include #include #include +#include +#include +#include +#include #include #include -#include +#include #include -#include #include "multicompress.h" #include @@ -43,7 +46,6 @@ MultiCompress::MultiCompress(string const &Output,string const &Compress, { Outputs = 0; Outputter = -1; - Input = 0; UpdateMTime = 0; /* Parse the compression string, a space separated lists of compresison @@ -184,12 +186,11 @@ bool MultiCompress::Start() }; close(Pipe[0]); - Input = fdopen(Pipe[1],"w"); - if (Input == 0) - return _error->Errno("fdopen",_("Failed to create FILE*")); - + if (Input.OpenDescriptor(Pipe[1], FileFd::WriteOnly, true) == false) + return false; + if (Outputter == -1) - return _error->Errno("fork",_("Failed to fork")); + return _error->Errno("fork",_("Failed to fork")); return true; } /*}}}*/ @@ -198,11 +199,10 @@ bool MultiCompress::Start() /* */ bool MultiCompress::Die() { - if (Input == 0) + if (Input.IsOpen() == false) return true; - - fclose(Input); - Input = 0; + + Input.Close(); bool Res = ExecWait(Outputter,_("Compress child"),false); Outputter = -1; return Res; @@ -214,7 +214,7 @@ bool MultiCompress::Die() bool MultiCompress::Finalize(unsigned long long &OutSize) { OutSize = 0; - if (Input == 0 || Die() == false) + if (Input.IsOpen() == false || Die() == false) return false; time_t Now; @@ -234,14 +234,12 @@ bool MultiCompress::Finalize(unsigned long long &OutSize) else { // Update the mtime if necessary - if (UpdateMTime > 0 && + if (UpdateMTime > 0 && (Now - St.st_mtime > (signed)UpdateMTime || St.st_mtime > Now)) { - struct utimbuf Buf; - Buf.actime = Buf.modtime = Now; - utime(I->Output.c_str(),&Buf); + utimes(I->Output.c_str(), NULL); Changed = true; - } + } } // Force the file permissions @@ -260,7 +258,7 @@ bool MultiCompress::Finalize(unsigned long long &OutSize) // MultiCompress::OpenOld - Open an old file /*{{{*/ // --------------------------------------------------------------------- /* This opens one of the original output files, possibly decompressing it. */ -bool MultiCompress::OpenOld(int &Fd,pid_t &Proc) +bool MultiCompress::OpenOld(FileFd &Fd) { Files *Best = Outputs; for (Files *I = Outputs; I != 0; I = I->Next) @@ -268,29 +266,9 @@ bool MultiCompress::OpenOld(int &Fd,pid_t &Proc) Best = I; // Open the file - FileFd F(Best->Output,FileFd::ReadOnly); - if (_error->PendingError() == true) - return false; - - // Decompress the file so we can read it - if (ExecCompressor(Best->CompressProg,&Proc,F.Fd(),Fd,false) == false) - return false; - - return true; + return Fd.Open(Best->Output, FileFd::ReadOnly, FileFd::Extension); } /*}}}*/ -// MultiCompress::CloseOld - Close the old file /*{{{*/ -// --------------------------------------------------------------------- -/* */ -bool MultiCompress::CloseOld(int Fd,pid_t Proc) -{ - close(Fd); - if (Proc != -1) - if (ExecWait(Proc,_("decompressor"),false) == false) - return false; - return true; -} - /*}}}*/ // MultiCompress::Child - The writer child /*{{{*/ // --------------------------------------------------------------------- /* The child process forks a bunch of compression children and takes @@ -345,31 +323,27 @@ bool MultiCompress::Child(int const &FD) // Check the MD5 of the lowest cost entity. while (Missing == false) { - int CompFd = -1; - pid_t Proc = -1; - if (OpenOld(CompFd,Proc) == false) + FileFd CompFd; + if (OpenOld(CompFd) == false) { _error->Discard(); break; } - + // Compute the hash MD5Summation OldMD5; unsigned long long NewFileSize = 0; while (1) { - int Res = read(CompFd,Buffer,sizeof(Buffer)); + unsigned long long Res = 0; + if (CompFd.Read(Buffer,sizeof(Buffer), &Res) == false) + return _error->Errno("read",_("Failed to read while computing MD5")); if (Res == 0) break; - if (Res < 0) - return _error->Errno("read",_("Failed to read while computing MD5")); NewFileSize += Res; OldMD5.Add(Buffer,Res); } - - // Tidy the compressor - if (CloseOld(CompFd,Proc) == false) - return false; + CompFd.Close(); // Check the hash if (OldMD5.Result() == MD5.Result() && @@ -391,7 +365,7 @@ bool MultiCompress::Child(int const &FD) for (Files *I = Outputs; I != 0; I = I->Next) { // Set the correct file modes - fchmod(I->TmpFile.Fd(),Permissions); + chmod(I->TmpFile.Name().c_str(),Permissions); if (rename(I->TmpFile.Name().c_str(),I->Output.c_str()) != 0) _error->Errno("rename",_("Failed to rename %s to %s"),