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diff --git a/log.cpp b/log.cpp
index b44677a..7c89dda 100644
--- a/log.cpp
+++ b/log.cpp
@@ -1,23 +1,31 @@
#include "log.h"
#include <iostream>
+#include <cstring>
bool
LogUnit::openLog(const char * filename)
{
- if (logFile.is_open()) {
+ if (isFile && logFile.is_open()) {
cerr << APPNAME
<< ": opening a new Log file, while another is already open"
<< endl;
- logFile.close();
+ closeLog();
}
- logFile.open(filename, ios_base::app);
- return !(logFile.fail());
+ if (strcmp(filename, "/dev/stderr") == 0) {
+ isFile = false;
+ return true;
+ } else {
+ logFile.open(filename, ios_base::app);
+ isFile = true;
+ return !(logFile.fail());
+ }
}
void
LogUnit::closeLog()
{
+ if (!isFile) return;
if (logFile.is_open())
logFile.close();
}
diff --git a/log.h b/log.h
index b7810be..ad548a2 100644
--- a/log.h
+++ b/log.h
@@ -9,11 +9,14 @@
#endif
#include "const.h"
#include <fstream>
+#include <iostream>
using namespace std;
static class LogUnit {
ofstream logFile;
+ bool isFile;
+ inline ostream &getStream() { return isFile ? logFile : cerr; }
public:
bool openLog(const char * filename);
void closeLog();
@@ -22,17 +25,17 @@ public:
template<typename Type>
LogUnit & operator<<(const Type & text) {
- logFile << text; logFile.flush();
+ getStream() << text; getStream().flush();
return *this;
}
LogUnit & operator<<(ostream & (*fp)(ostream&)) {
- logFile << fp; logFile.flush();
+ getStream() << fp; getStream().flush();
return *this;
}
LogUnit & operator<<(ios_base & (*fp)(ios_base&)) {
- logFile << fp; logFile.flush();
+ getStream() << fp; getStream().flush();
return *this;
}
} logStream;
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