// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: error.cc,v 1.2 1998/07/07 04:17:10 jgg Exp $
+// $Id: error.cc,v 1.6 1999/01/18 06:20:07 jgg Exp $
/* ######################################################################
Global Erorr Class - Global error mechanism
/*}}}*/
// Include Files /*{{{*/
#ifdef __GNUG__
-#pragma implementation "pkglib/error.h"
+#pragma implementation "apt-pkg/error.h"
#endif
+#include <apt-pkg/error.h>
+
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
+#include <unistd.h>
-#include <pkglib/error.h>
/*}}}*/
-GlobalError *_error = new GlobalError;
+// Global Error Object /*{{{*/
+/* If the implementation supports posix threads then the accessor function
+ is compiled to be thread safe otherwise a non-safe version is used. A
+ Per-Thread error object is maintained in much the same manner as libc
+ manages errno */
+#if _POSIX_THREADS == 1
+ #include <pthread.h>
+
+ static pthread_key_t ErrorKey;
+ static void ErrorDestroy(void *Obj) {delete (GlobalError *)Obj;};
+ static void KeyAlloc() {pthread_key_create(&ErrorKey,ErrorDestroy);};
+
+ GlobalError *_GetErrorObj()
+ {
+ static pthread_once_t Once = PTHREAD_ONCE_INIT;
+ pthread_once(&Once,KeyAlloc);
+
+ void *Res = pthread_getspecific(ErrorKey);
+ if (Res == 0)
+ pthread_setspecific(ErrorKey,Res = new GlobalError);
+ return (GlobalError *)Res;
+ }
+#else
+ GlobalError *_GetErrorObj()
+ {
+ static GlobalError *Obj = new GlobalError;
+ return Obj;
+ }
+#endif
+ /*}}}*/
// GlobalError::GlobalError - Constructor /*{{{*/
// ---------------------------------------------------------------------
// sprintf the description
char S[400];
- vsprintf(S,Description,args);
- sprintf(S + strlen(S)," - %s (%i %s)",Function,errno,strerror(errno));
+ vsnprintf(S,sizeof(S),Description,args);
+ snprintf(S + strlen(S),sizeof(S) - strlen(S),
+ " - %s (%i %s)",Function,errno,strerror(errno));
// Put it on the list
Item *Itm = new Item;
PendingFlag = true;
+ return false;
+}
+ /*}}}*/
+// GlobalError::WarningE - Get part of the warn 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::WarningE(const char *Function,const char *Description,...)
+{
+ va_list args;
+ va_start(args,Description);
+
+ // sprintf the description
+ char S[400];
+ vsnprintf(S,sizeof(S),Description,args);
+ snprintf(S + strlen(S),sizeof(S) - strlen(S)," - %s (%i %s)",Function,errno,strerror(errno));
+
+ // Put it on the list
+ Item *Itm = new Item;
+ Itm->Text = S;
+ Itm->Error = false;
+ Insert(Itm);
+
return false;
}
/*}}}*/
// sprintf the description
char S[400];
- vsprintf(S,Description,args);
+ vsnprintf(S,sizeof(S),Description,args);
// Put it on the list
Item *Itm = new Item;
// sprintf the description
char S[400];
- vsprintf(S,Description,args);
+ vsnprintf(S,sizeof(S),Description,args);
// Put it on the list
Item *Itm = new Item;