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Force win32 to use a console in debug

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This commit is contained in:
Danny Robson 2012-11-09 15:16:48 +11:00
parent 1fbc37cc63
commit 600500a70e
1 changed files with 46 additions and 3 deletions
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49
debug.cpp
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@ -64,8 +64,7 @@ breakpoint (void) {
//------------------------------------------------------------------------------
void
not_implemented (void) {
static const char *MSG = "Function not implemented";
not_implemented (MSG);
not_implemented ("Function not implemented");
}
@ -130,8 +129,52 @@ disable_fpe (void) {
//------------------------------------------------------------------------------
void debug::init (void) {
#if defined(PLATFORM_WIN32)
#include <io.h>
#include <fcntl.h>
void
force_console (void) {
if (!AttachConsole (ATTACH_PARENT_PROCESS))
return;
auto out_handle = GetStdHandle (STD_OUTPUT_HANDLE);
auto err_handle = GetStdHandle (STD_ERROR_HANDLE);
auto in_handle = GetStdHandle (STD_INPUT_HANDLE);
auto out_fd = _open_osfhandle (reinterpret_cast<intptr_t> (out_handle), _O_TEXT);
auto err_fd = _open_osfhandle (reinterpret_cast<intptr_t> (err_handle), _O_TEXT);
auto in_fd = _open_osfhandle (reinterpret_cast<intptr_t> (in_handle), _O_TEXT);
auto out_file = _fdopen (out_fd, "w");
auto err_file = _fdopen (err_fd, "w");
auto in_file = _fdopen (in_fd, "r");
/// FILE objects are not reassignable, but Windows doesn't leave us much
/// choice here.
*stdout = *out_file;
*stderr = *err_file;
*stdin = *in_file;
setvbuf (stdout, NULL, _IONBF, 0);
setvbuf (stderr, NULL, _IONBF, 0);
setvbuf (stdin, NULL, _IONBF, 0);
ios::sync_with_stdio ();
// Windows doesn't give an immediate newline when an application is run
// from a console, so we provide one here for sanity.
std::cout << "\n";
}
#endif
//------------------------------------------------------------------------------
void
debug::init (void) {
#if defined(PLATFORM_WIN32)
force_console ();
if (nullptr == LoadLibrary("exchndl.dll")) {
std::cerr << GetLastError () << "\n";
LOG_WARNING("Emergency debugger not loaded");