diff --git a/distrho/DistrhoUtils.hpp b/distrho/DistrhoUtils.hpp index 845e4c67..82de9c65 100644 --- a/distrho/DistrhoUtils.hpp +++ b/distrho/DistrhoUtils.hpp @@ -109,6 +109,27 @@ void d_pass() noexcept {} @{ */ +/* + * Internal noexcept-safe fopen function. + */ +static inline +FILE* __d_fopen(const char* const filename, FILE* const fallback) noexcept +{ + if (std::getenv("DPF_CAPTURE_CONSOLE_OUTPUT") == nullptr) + return fallback; + + FILE* ret = nullptr; + + try { + ret = std::fopen(filename, "a+"); + } catch (...) {} + + if (ret == nullptr) + ret = fallback; + + return ret; +} + /** Print a string to stdout with newline (gray color). Does nothing if DEBUG is not defined. @@ -119,16 +140,29 @@ void d_pass() noexcept {} static inline void d_debug(const char* const fmt, ...) noexcept { + static FILE* const output = __d_fopen("/tmp/dpf.debug.log", stdout); + try { va_list args; va_start(args, fmt); - #ifdef DISTRHO_OS_MAC - std::fprintf(stdout, "\x1b[37;1m"); - #else - std::fprintf(stdout, "\x1b[30;1m"); - #endif - std::vfprintf(stdout, fmt, args); - std::fprintf(stdout, "\x1b[0m\n"); + + if (output == stdout) + { + #ifdef DISTRHO_OS_MAC + std::fprintf(stdout, "\x1b[37;1m[dpf] "); + #else + std::fprintf(stdout, "\x1b[30;1m[dpf] "); + #endif + std::vfprintf(stdout, fmt, args); + std::fprintf(stdout, "\x1b[0m\n"); + else + { + std::fprintf(output, "[dpf] "); + std::vfprintf(output, fmt, args); + std::fprintf(output, "\n"); + } + + std::fflush(output); va_end(args); } catch (...) {} } @@ -140,11 +174,18 @@ void d_debug(const char* const fmt, ...) noexcept static inline void d_stdout(const char* const fmt, ...) noexcept { + static FILE* const output = __d_fopen("/tmp/dpf.stdout.log", stdout); + try { va_list args; va_start(args, fmt); + std::fprintf(output, "[dpf] "); std::vfprintf(stdout, fmt, args); std::fprintf(stdout, "\n"); + #ifndef DEBUG + if (output != stdout) + #endif + std::fflush(output); va_end(args); } catch (...) {} } @@ -155,11 +196,18 @@ void d_stdout(const char* const fmt, ...) noexcept static inline void d_stderr(const char* const fmt, ...) noexcept { + static FILE* const output = __d_fopen("/tmp/dpf.stderr.log", stderr); + try { va_list args; va_start(args, fmt); + std::fprintf(output, "[dpf] "); std::vfprintf(stderr, fmt, args); std::fprintf(stderr, "\n"); + #ifndef DEBUG + if (output != stderr) + #endif + std::fflush(output); va_end(args); } catch (...) {} } @@ -170,12 +218,26 @@ void d_stderr(const char* const fmt, ...) noexcept static inline void d_stderr2(const char* const fmt, ...) noexcept { + static FILE* const output = __d_fopen("/tmp/dpf.stderr2.log", stderr); + try { va_list args; va_start(args, fmt); - std::fprintf(stderr, "\x1b[31m"); - std::vfprintf(stderr, fmt, args); - std::fprintf(stderr, "\x1b[0m\n"); + + if (output == stdout) + { + std::fprintf(stderr, "\x1b[31m[dpf] "); + std::vfprintf(stderr, fmt, args); + std::fprintf(stderr, "\x1b[0m\n"); + } + else + { + std::fprintf(output, "[dpf] "); + std::vfprintf(output, fmt, args); + std::fprintf(output, "\n"); + } + + std::fflush(output); va_end(args); } catch (...) {} }