Gabriele Cosmo
61 lines
1.3 KiB
Plaintext
61 lines
1.3 KiB
Plaintext
// Copyright (C) 2010, Guy Barrand. All rights reserved.
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// See the file tools.license for terms.
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#ifndef tools_log_file
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#define tools_log_file
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#include <cstdio>
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#include "sys/process"
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#include "sprintf"
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namespace tools {
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class log_file {
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public:
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static log_file& get() {
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static log_file s_log_file;
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return s_log_file;
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}
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private:
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log_file():m_FILE(0) {
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#ifdef _WIN32
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#if defined(_MSC_VER) && _MSC_VER < 1900
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std::string file_name("C:\\cygwin\\tmp\\inlib_log_file_");
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#else
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std::string file_name("C:\\cygwin64\\tmp\\inlib_log_file_");
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#endif
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#else
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std::string file_name("/tmp/inlib_log_file_");
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#endif
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std::string spid;
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sprintf(spid,128,"%d",process_id());
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file_name += spid;
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m_FILE = ::fopen(file_name.c_str(),"wb");
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}
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~log_file() {if(m_FILE) ::fclose(m_FILE);}
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protected:
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log_file(const log_file&):m_FILE(0) {}
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log_file& operator=(const log_file&) {return *this;}
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public:
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void close() {if(m_FILE) ::fclose(m_FILE);m_FILE = 0;}
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void write(const std::string& a_string) const {
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if(!m_FILE) return;
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if(::fprintf(m_FILE,"%s",a_string.c_str())<0) {}
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}
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void writef(const char* a_format,...) const {
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if(!m_FILE) return;
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std::string s;
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va_list args;
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va_start(args,a_format);
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if(vsprintf(s,1000,a_format,args)) write(s);
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va_end(args);
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}
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protected:
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FILE* m_FILE;
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};
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}
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#endif
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