From 578bfd0aed2ec993f4ad85fa6a7094a852261422 Mon Sep 17 00:00:00 2001 From: Arch Librarian Date: Mon, 20 Sep 2004 16:50:36 +0000 Subject: Base revisions Author: jgg Date: 1998-07-02 02:58:12 GMT Base revisions --- apt-pkg/contrib/error.cc | 139 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 139 insertions(+) create mode 100644 apt-pkg/contrib/error.cc (limited to 'apt-pkg/contrib/error.cc') diff --git a/apt-pkg/contrib/error.cc b/apt-pkg/contrib/error.cc new file mode 100644 index 000000000..59d2b8c8b --- /dev/null +++ b/apt-pkg/contrib/error.cc @@ -0,0 +1,139 @@ +// -*- mode: cpp; mode: fold -*- +// Description /*{{{*/ +// $Id: error.cc,v 1.1 1998/07/02 02:58:13 jgg Exp $ +/* ###################################################################### + + Global Erorr Class - Global error mechanism + + We use a simple STL vector to store each error record. A PendingFlag + is kept which indicates when the vector contains a Sever error. + + This source is placed in the Public Domain, do with it what you will + It was originally written by Jason Gunthorpe. + + ##################################################################### */ + /*}}}*/ +// Include Files /*{{{*/ +#include +#include +#include +#include + +#include + /*}}}*/ + +GlobalError *_error = new GlobalError; + +// GlobalError::GlobalError - Constructor /*{{{*/ +// --------------------------------------------------------------------- +/* */ +GlobalError::GlobalError() : PendingFlag(false) +{ +} + /*}}}*/ +// GlobalError::Errno - Get part of the error string from errno /*{{{*/ +// --------------------------------------------------------------------- +/* Function indicates the stdlib function that failed and Description is + a user string that leads the text. Form is: + Description - Function (errno: strerror) + Carefull of the buffer overrun, sprintf. + */ +bool GlobalError::Errno(const char *Function,const char *Description,...) +{ + va_list args; + va_start(args,Description); + + // sprintf the description + char S[400]; + vsprintf(S,Description,args); + sprintf(S + strlen(S)," - %s (%i %s)",Function,errno,strerror(errno)); + + // Put it on the list + Item Itm; + Itm.Text = S; + Itm.Error = true; + List.push_back(Itm); + + PendingFlag = true; + + return false; +} + /*}}}*/ +// GlobalError::Error - Add an error to the list /*{{{*/ +// --------------------------------------------------------------------- +/* Just vsprintfs and pushes */ +bool GlobalError::Error(const char *Description,...) +{ + va_list args; + va_start(args,Description); + + // sprintf the description + char S[400]; + vsprintf(S,Description,args); + + // Put it on the list + Item Itm; + Itm.Text = S; + Itm.Error = true; + List.push_back(Itm); + + PendingFlag = true; + + return false; +} + /*}}}*/ +// GlobalError::Warning - Add a warning to the list /*{{{*/ +// --------------------------------------------------------------------- +/* This doesn't set the pending error flag */ +bool GlobalError::Warning(const char *Description,...) +{ + va_list args; + va_start(args,Description); + + // sprintf the description + char S[400]; + vsprintf(S,Description,args); + + // Put it on the list + Item Itm; + Itm.Text = S; + Itm.Error = false; + List.push_back(Itm); + + return false; +} + /*}}}*/ +// GlobalError::PopMessage - Pulls a single message out /*{{{*/ +// --------------------------------------------------------------------- +/* This should be used in a loop checking empty() each cycle. It returns + true if the message is an error. */ +bool GlobalError::PopMessage(string &Text) +{ + bool Ret = List.front().Error; + Text = List.front().Text; + List.erase(List.begin()); + + // This really should check the list to see if only warnings are left.. + if (empty()) + PendingFlag = false; + + return Ret; +} + /*}}}*/ +// GlobalError::DumpErrors - Dump all of the errors/warns to cerr /*{{{*/ +// --------------------------------------------------------------------- +/* */ +void GlobalError::DumpErrors() +{ + // Print any errors or warnings found + string Err; + while (empty() == false) + { + bool Type = PopMessage(Err); + if (Type == true) + cerr << "E: " << Err << endl; + else + cerr << "W: " << Err << endl; + } +} + /*}}}*/ -- cgit v1.2.3