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// -*- 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 <errno.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <pkglib/error.h>
/*}}}*/
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;
}
}
/*}}}*/
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