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error.cc File Reference

#include <string>
#include <iostream>
#include <sstream>
#include <iomanip>
#include <errno.h>
#include <string.h>
#include "error.h"

Include dependency graph for error.cc:

Go to the source code of this file.

Functions

void real_fail_neg (int eval, const char *eval_str, const char *func, const char *file, int line)
void real_fail_null (const void *eval, const char *eval_str, const char *func, const char *file, int line)
 error handler for NULL result codes
void real_fail_if (bool eval, const char *eval_str, const char *func, const char *file, int line)

Function Documentation

void real_fail_if (  bool  eval,
const char *  eval_str,
const char *  func,
const char *  file,
int  line
) 
 

Definition at line 88 of file error.cc.

00089 {
00090     if ( eval == true )
00091     {
00092 
00093         string exc;
00094         ostringstream sb;
00095 
00096         sb << file << ":" << line << ": In function \"" << func << "\": condition \"" << eval_str << "\" is true";
00097         if ( errno != 0 )
00098             sb << endl << file << ":" << line << ": errno: " << errno << " (" << strerror( errno ) << ")";
00099         sb << ends;
00100         exc = sb.str();
00101         cerr << exc << endl;
00102         throw exc;
00103     }
00104 }

void real_fail_neg (  int  eval,
const char *  eval_str,
const char *  func,
const char *  file,
int  line
) 
 

Definition at line 47 of file error.cc.

00048 {
00049     if ( eval < 0 )
00050     {
00051         string exc;
00052         ostringstream sb;
00053 
00054         sb << file << ":" << line << ": In function \"" << func << "\": \"" << eval_str << "\" evaluated to " << eval;
00055         if ( errno != 0 )
00056             sb << endl << file << ":" << line << ": errno: " << errno << " (" << strerror( errno ) << ")";
00057         sb << ends;
00058         exc = sb.str();
00059         cerr << exc << endl;
00060         throw exc;
00061     }
00062 }

void real_fail_null (  const void *  eval,
const char *  eval_str,
const char *  func,
const char *  file,
int  line
) 
 

error handler for NULL result codes

Whenever this is called with a NULL argument, it will throw an exception. Typically used with functions like malloc() and new().

Definition at line 72 of file error.cc.

00073 {
00074     if ( eval == NULL )
00075     {
00076 
00077         string exc;
00078         ostringstream sb;
00079 
00080         sb << file << ":" << line << ": In function \"" << func << "\": " << eval_str << " is NULL" << ends;
00081         exc = sb.str();
00082         cerr << exc << endl;
00083         throw exc;
00084     }
00085 }

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