X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/4b4fd143996c3457677d13309337502aed5f9c81..50b513a12b4f9f5098d1bcd08f6b19b7693397d0:/apt-pkg/contrib/fileutl.cc diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc index ad1fcf184..379641c2c 100644 --- a/apt-pkg/contrib/fileutl.cc +++ b/apt-pkg/contrib/fileutl.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: fileutl.cc,v 1.12 1998/10/24 22:15:41 jgg Exp $ +// $Id: fileutl.cc,v 1.16 1998/11/27 04:20:52 jgg Exp $ /* ###################################################################### File Utilities @@ -29,7 +29,7 @@ // CopyFile - Buffered copy of a file /*{{{*/ // --------------------------------------------------------------------- /* The caller is expected to set things so that failure causes erasure */ -bool CopyFile(FileFd From,FileFd To) +bool CopyFile(FileFd &From,FileFd &To) { if (From.IsOpen() == false || To.IsOpen() == false) return false; @@ -119,6 +119,18 @@ string flNotDir(string File) return string(File,Res,Res - File.length()); } /*}}}*/ +// flNotFile - Strip the file from the directory name /*{{{*/ +// --------------------------------------------------------------------- +/* */ +string flNotFile(string File) +{ + string::size_type Res = File.rfind('/'); + if (Res == string::npos) + return File; + Res++; + return string(File,0,Res); +} + /*}}}*/ // SetCloseExec - Set the close on exec flag /*{{{*/ // --------------------------------------------------------------------- /* */ @@ -174,9 +186,13 @@ FileFd::FileFd(string FileName,OpenMode Mode, unsigned long Perms) break; case WriteEmpty: - unlink(FileName.c_str()); - iFd = open(FileName.c_str(),O_RDWR | O_CREAT | O_EXCL,Perms); - break; + { + struct stat Buf; + if (stat(FileName.c_str(),&Buf) == 0 && S_ISLNK(Buf.st_mode)) + unlink(FileName.c_str()); + iFd = open(FileName.c_str(),O_RDWR | O_CREAT | O_TRUNC,Perms); + break; + } case WriteExists: iFd = open(FileName.c_str(),O_RDWR); @@ -184,12 +200,7 @@ FileFd::FileFd(string FileName,OpenMode Mode, unsigned long Perms) case WriteAny: iFd = open(FileName.c_str(),O_RDWR | O_CREAT,Perms); - break; - - // Dont use this in public directories - case LockEmpty: - iFd = open(FileName.c_str(),O_RDWR | O_CREAT | O_TRUNC,Perms); - break; + break; } if (iFd < 0) @@ -227,7 +238,7 @@ bool FileFd::Read(void *To,unsigned long Size) // FileFd::Write - Write to the file /*{{{*/ // --------------------------------------------------------------------- /* */ -bool FileFd::Write(void *From,unsigned long Size) +bool FileFd::Write(const void *From,unsigned long Size) { if (write(iFd,From,Size) != (signed)Size) {