diff options
Diffstat (limited to 'core/io/logger.cpp')
| -rw-r--r-- | core/io/logger.cpp | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/core/io/logger.cpp b/core/io/logger.cpp index 7ea5f06d7e..ad6371f1e1 100644 --- a/core/io/logger.cpp +++ b/core/io/logger.cpp @@ -33,6 +33,17 @@ #include "os/os.h" #include "print_string.h" +// va_copy was defined in the C99, but not in C++ standards before C++11. +// When you compile C++ without --std=c++<XX> option, compilers still define +// va_copy, otherwise you have to use the internal version (__va_copy). +#if !defined(va_copy) +#if defined(__GNUC__) +#define va_copy(d, s) __va_copy(d, s) +#else +#define va_copy(d, s) ((d) = (s)) +#endif +#endif + bool Logger::should_log(bool p_err) { return (!p_err || _print_error_enabled) && (p_err || _print_line_enabled); } @@ -177,11 +188,14 @@ void RotatedFileLogger::logv(const char *p_format, va_list p_list, bool p_err) { const int static_buf_size = 512; char static_buf[static_buf_size]; char *buf = static_buf; + va_list list_copy; + va_copy(list_copy, p_list); int len = vsnprintf(buf, static_buf_size, p_format, p_list); if (len >= static_buf_size) { buf = (char *)Memory::alloc_static(len + 1); - vsnprintf(buf, len + 1, p_format, p_list); + vsnprintf(buf, len + 1, p_format, list_copy); } + va_end(list_copy); file->store_buffer((uint8_t *)buf, len); if (len >= static_buf_size) { Memory::free_static(buf); |