X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/6c139d6e362f04a1582e8a8f511f8aeab031fecf..6627bdccce46a9acdae09d37e6e1444a5f7384e1:/apt-pkg/contrib/error.cc diff --git a/apt-pkg/contrib/error.cc b/apt-pkg/contrib/error.cc index d1ea1b87b..5fe9bdfce 100644 --- a/apt-pkg/contrib/error.cc +++ b/apt-pkg/contrib/error.cc @@ -1,6 +1,6 @@ // -*- mode: cpp; mode: fold -*- // Description /*{{{*/ -// $Id: error.cc,v 1.2 1998/07/07 04:17:10 jgg Exp $ +// $Id: error.cc,v 1.11 2002/03/26 07:38:58 jgg Exp $ /* ###################################################################### Global Erorr Class - Global error mechanism @@ -15,18 +15,53 @@ /*}}}*/ // Include Files /*{{{*/ #ifdef __GNUG__ -#pragma implementation "pkglib/error.h" +#pragma implementation "apt-pkg/error.h" #endif +#include + +#include #include #include -#include +#include #include +#include -#include +#include "config.h" /*}}}*/ -GlobalError *_error = new GlobalError; +using namespace std; + +// 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 defined(_POSIX_THREADS) && defined(HAVE_PTHREAD) + #include + + 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 /*{{{*/ // --------------------------------------------------------------------- @@ -49,8 +84,9 @@ bool GlobalError::Errno(const char *Function,const char *Description,...) // 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; @@ -60,6 +96,32 @@ bool GlobalError::Errno(const char *Function,const char *Description,...) 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; } /*}}}*/ @@ -73,7 +135,7 @@ bool GlobalError::Error(const char *Description,...) // 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; @@ -96,7 +158,7 @@ bool GlobalError::Warning(const char *Description,...) // 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;