mirror of https://github.com/BOINC/boinc.git
59 lines
2.1 KiB
C++
59 lines
2.1 KiB
C++
#include <stdio.h>
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#include <cstdarg>
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// the __attribute((format...)) tags are GCC extensions that let the compiler
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// do like-checking on printf-like arguments
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//
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#if !defined(__GNUC__) && !defined(__attribute__)
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#define __attribute__(x) /*nothing*/
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#endif
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#ifdef _USING_FCGI_
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#define __attribute__(x) /*nothing*/
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#endif
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class MSG_LOG {
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int debug_level;
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int indent_level;
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char spaces[80];
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FILE* output;
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public:
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MSG_LOG(FILE* output);
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void enter_level(int = 1);
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void leave_level() { enter_level(-1); }
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MSG_LOG& operator++() { enter_level(); return *this; }
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MSG_LOG& operator--() { leave_level(); return *this; }
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void printf(int kind, const char* format, ...) __attribute__ ((format (printf, 3, 4)));
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void printf_multiline(int kind, const char* str, const char* prefix_format, ...) __attribute__ ((format (printf, 4, 5)));
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void printf_file(int kind, const char* filename, const char* prefix_format, ...) __attribute__ ((format (printf, 4, 5)));
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void vprintf(int kind, const char* format, va_list va);
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void vprintf_multiline(int kind, const char* str, const char* prefix_format, va_list va);
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void vprintf_file(int kind, const char* filename, const char* prefix_format, va_list va);
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protected:
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virtual const char* v_format_kind(int kind) const = 0;
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virtual bool v_message_wanted(int kind) const = 0;
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};
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// automatically ++/--MSG_LOG on scope entry / exit.
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// See lib/msg_log.C for commentary
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//
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class SCOPE_MSG_LOG {
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MSG_LOG& messages;
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int kind;
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public:
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SCOPE_MSG_LOG(MSG_LOG& messages_, int kind_) : messages(messages_), kind(kind_)
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{ ++messages; }
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~SCOPE_MSG_LOG() { --messages; }
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SCOPE_MSG_LOG& operator++() { ++messages; return *this; }
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SCOPE_MSG_LOG& operator--() { --messages; return *this; }
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void printf(const char* format, ...) __attribute__ ((format (printf, 2, 3)));
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void printf_multiline(const char* str, const char* prefix_format, ...) __attribute__ ((format (printf, 3, 4)));
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void printf_file(const char* filename, const char* prefix_format, ...) __attribute__ ((format (printf, 3, 4)));
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};
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