##################################################################### */
/*}}}*/
// Include Files /*{{{*/
+#include <config.h>
+
#include <apt-pkg/error.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <list>
#include <iostream>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
-
#include <string>
#include <cstring>
+#include <algorithm>
-#include "config.h"
- /*}}}*/
+ /*}}}*/
// Global Error Object /*{{{*/
/* If the implementation supports posix threads then the accessor function
// GlobalError::GlobalError - Constructor /*{{{*/
GlobalError::GlobalError() : PendingFlag(false) {}
/*}}}*/
-// GlobalError::FatalE - Get part of the error string from errno /*{{{*/
-bool GlobalError::FatalE(const char *Function,const char *Description,...) {
- va_list args;
- va_start(args,Description);
- return InsertErrno(FATAL, Function, Description, args);
-}
- /*}}}*/
-// GlobalError::Errno - Get part of the error string from errno /*{{{*/
-bool GlobalError::Errno(const char *Function,const char *Description,...) {
- va_list args;
- va_start(args,Description);
- return InsertErrno(ERROR, Function, Description, args);
-}
- /*}}}*/
-// GlobalError::WarningE - Get part of the warning string from errno /*{{{*/
-bool GlobalError::WarningE(const char *Function,const char *Description,...) {
- va_list args;
- va_start(args,Description);
- return InsertErrno(WARNING, Function, Description, args);
-}
- /*}}}*/
-// GlobalError::NoticeE - Get part of the notice string from errno /*{{{*/
-bool GlobalError::NoticeE(const char *Function,const char *Description,...) {
- va_list args;
- va_start(args,Description);
- return InsertErrno(NOTICE, Function, Description, args);
-}
- /*}}}*/
-// GlobalError::DebugE - Get part of the debug string from errno /*{{{*/
-bool GlobalError::DebugE(const char *Function,const char *Description,...) {
- va_list args;
- va_start(args,Description);
- return InsertErrno(DEBUG, Function, Description, args);
+// GlobalError::FatalE, Errno, WarningE, NoticeE and DebugE - Add to the list/*{{{*/
+#define GEMessage(NAME, TYPE) \
+bool GlobalError::NAME (const char *Function, const char *Description,...) { \
+ va_list args; \
+ size_t msgSize = 400; \
+ int const errsv = errno; \
+ while (true) { \
+ va_start(args,Description); \
+ bool const retry = InsertErrno(TYPE, Function, Description, args, errsv, msgSize); \
+ va_end(args); \
+ if (retry == false) \
+ break; \
+ } \
+ return false; \
}
+GEMessage(FatalE, FATAL)
+GEMessage(Errno, ERROR)
+GEMessage(WarningE, WARNING)
+GEMessage(NoticeE, NOTICE)
+GEMessage(DebugE, DEBUG)
+#undef GEMessage
/*}}}*/
// GlobalError::InsertErrno - Get part of the errortype string from errno/*{{{*/
bool GlobalError::InsertErrno(MsgType const &type, const char *Function,
const char *Description,...) {
va_list args;
- va_start(args,Description);
- return InsertErrno(type, Function, Description, args);
+ size_t msgSize = 400;
+ int const errsv = errno;
+ while (true) {
+ va_start(args,Description);
+ bool const retry = InsertErrno(type, Function, Description, args, errsv, msgSize);
+ va_end(args);
+ if (retry == false)
+ break;
+ }
+ return false;
}
/*}}}*/
// GlobalError::InsertErrno - formats an error message with the errno /*{{{*/
bool GlobalError::InsertErrno(MsgType type, const char* Function,
- const char* Description, va_list &args) {
- int const errsv = errno;
- char* S = (char*) malloc(400);
- size_t const Ssize = snprintf(S, 400, "%s - %s (%i: %s)", Description,
- Function, errsv, strerror(errsv)) + 1;
-
- if (Ssize > 400) {
+ const char* Description, va_list &args,
+ int const errsv, size_t &msgSize) {
+ char* S = (char*) malloc(msgSize);
+ int const n = snprintf(S, msgSize, "%s - %s (%i: %s)", Description,
+ Function, errsv, strerror(errsv));
+ if (n > -1 && ((unsigned int) n) < msgSize);
+ else {
+ if (n > -1)
+ msgSize = n + 1;
+ else
+ msgSize *= 2;
free(S);
- S = (char*) malloc(Ssize);
- snprintf(S, Ssize, "%s - %s (%i: %s)", Description,
- Function, errsv, strerror(errsv));
+ return true;
}
- bool const geins = Insert(type, S, args);
+ bool const geins = Insert(type, S, args, msgSize);
free(S);
return geins;
}
/*}}}*/
-// GlobalError::Fatal - Add a fatal error to the list /*{{{*/
-bool GlobalError::Fatal(const char *Description,...) {
- va_list args;
- va_start(args,Description);
- return Insert(FATAL, Description, args);
-}
- /*}}}*/
-// GlobalError::Error - Add an error to the list /*{{{*/
-bool GlobalError::Error(const char *Description,...) {
- va_list args;
- va_start(args,Description);
- return Insert(ERROR, Description, args);
-}
- /*}}}*/
-// GlobalError::Warning - Add a warning to the list /*{{{*/
-bool GlobalError::Warning(const char *Description,...) {
- va_list args;
- va_start(args,Description);
- return Insert(WARNING, Description, args);
-}
- /*}}}*/
-// GlobalError::Notice - Add a notice to the list /*{{{*/
-bool GlobalError::Notice(const char *Description,...)
-{
- va_list args;
- va_start(args,Description);
- return Insert(NOTICE, Description, args);
-}
- /*}}}*/
-// GlobalError::Debug - Add a debug to the list /*{{{*/
-bool GlobalError::Debug(const char *Description,...)
-{
- va_list args;
- va_start(args,Description);
- return Insert(DEBUG, Description, args);
+// GlobalError::Fatal, Error, Warning, Notice and Debug - Add to the list/*{{{*/
+#define GEMessage(NAME, TYPE) \
+bool GlobalError::NAME (const char *Description,...) { \
+ va_list args; \
+ size_t msgSize = 400; \
+ while (true) { \
+ va_start(args,Description); \
+ if (Insert(TYPE, Description, args, msgSize) == false) \
+ break; \
+ va_end(args); \
+ } \
+ return false; \
}
+GEMessage(Fatal, FATAL)
+GEMessage(Error, ERROR)
+GEMessage(Warning, WARNING)
+GEMessage(Notice, NOTICE)
+GEMessage(Debug, DEBUG)
+#undef GEMessage
/*}}}*/
// GlobalError::Insert - Add a errotype message to the list /*{{{*/
bool GlobalError::Insert(MsgType const &type, const char *Description,...)
{
va_list args;
- va_start(args,Description);
- return Insert(type, Description, args);
+ size_t msgSize = 400;
+ while (true) {
+ va_start(args,Description);
+ if (Insert(type, Description, args, msgSize) == false)
+ break;
+ va_end(args);
+ }
+ return false;
}
/*}}}*/
// GlobalError::Insert - Insert a new item at the end /*{{{*/
bool GlobalError::Insert(MsgType type, const char* Description,
- va_list &args) {
- char* S = (char*) malloc(400);
- size_t const Ssize = vsnprintf(S, 400, Description, args) + 1;
-
- if (Ssize > 400) {
- free(S);
- S = (char*) malloc(Ssize);
- vsnprintf(S, Ssize, Description, args);
+ va_list &args, size_t &msgSize) {
+ char* S = (char*) malloc(msgSize);
+ int const n = vsnprintf(S, msgSize, Description, args);
+ if (n > -1 && ((unsigned int) n) < msgSize);
+ else {
+ if (n > -1)
+ msgSize = n + 1;
+ else
+ msgSize *= 2;
+ free(S);
+ return true;
}
Item const m(S, type);
// check if another error message is pending
for (std::list<Item>::const_iterator m = Messages.begin();
- m != Messages.end(); m++)
+ m != Messages.end(); ++m)
if (m->Type == ERROR || m->Type == FATAL)
return Ret;
if (mergeStack == true)
for (std::list<MsgStack>::const_reverse_iterator s = Stacks.rbegin();
s != Stacks.rend(); ++s)
- Messages.insert(Messages.begin(), s->Messages.begin(), s->Messages.end());
+ std::copy(s->Messages.begin(), s->Messages.end(), std::front_inserter(Messages));
+
+ std::for_each(Messages.begin(), Messages.end(), [&threshold, &out](Item const &m) {
+ if (m.Type >= threshold)
+ out << m << std::endl;
+ });
- for (std::list<Item>::const_iterator m = Messages.begin();
- m != Messages.end(); m++)
- if (m->Type >= threshold)
- out << (*m) << std::endl;
Discard();
}
/*}}}*/
void GlobalError::Discard() {
Messages.clear();
PendingFlag = false;
-};
+}
/*}}}*/
// GlobalError::empty - does our error list include anything? /*{{{*/
-bool GlobalError::empty(MsgType const &trashhold) const {
+bool GlobalError::empty(MsgType const &threshold) const {
if (PendingFlag == true)
return false;
if (Messages.empty() == true)
return true;
- for (std::list<Item>::const_iterator m = Messages.begin();
- m != Messages.end(); m++)
- if (m->Type >= trashhold)
- return false;
-
- return true;
+ return std::find_if(Messages.begin(), Messages.end(), [&threshold](Item const &m) {
+ return m.Type >= threshold;
+ }) == Messages.end();
}
/*}}}*/
// GlobalError::PushToStack /*{{{*/
void GlobalError::PushToStack() {
- MsgStack pack(Messages, PendingFlag);
- Stacks.push_back(pack);
+ Stacks.emplace_back(Messages, PendingFlag);
Discard();
}
/*}}}*/
// GlobalError::MergeWithStack /*{{{*/
void GlobalError::MergeWithStack() {
MsgStack pack = Stacks.back();
- Messages.insert(Messages.begin(), pack.Messages.begin(), pack.Messages.end());
+ Messages.splice(Messages.begin(), pack.Messages);
PendingFlag = PendingFlag || pack.PendingFlag;
Stacks.pop_back();
}
projects / apt.git / blobdiff