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Add an optionally-compiled diagnostic console on Windows.

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This commit is contained in:
John Ralls 2019-04-28 16:59:51 -07:00
parent 6c7ccbd9e7
commit 3feb864691
1 changed files with 56 additions and 1 deletions
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57
gnucash/gnucash-bin.c
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@ -58,11 +58,17 @@
#include "guile-mappings.h" #include "guile-mappings.h"
#ifdef __MINGW32__ #ifdef __MINGW32__
#include <Windows.h> #include <Windows.h>
#include <fcntl.h>
#endif #endif
/* This static indicates the debugging module that this .o belongs to. */ /* This static indicates the debugging module that this .o belongs to. */
static QofLogModule log_module = GNC_MOD_GUI; static QofLogModule log_module = GNC_MOD_GUI;
/* Change the following to have a console window attached to GnuCash
* for displaying stdout and stderr on Windows.
*/
#define __MSWIN_CONSOLE__ 0
#ifdef HAVE_GETTEXT #ifdef HAVE_GETTEXT
# include <libintl.h> # include <libintl.h>
# include <locale.h> # include <locale.h>
@ -809,6 +815,53 @@ set_win32_thread_locale()
} }
#endif #endif
/* Creates a console window on MSWindows to display stdout and stderr
* when __MSWIN_CONSOLE__ is defined at the top of the file.
*
* Useful for displaying the diagnostics printed before logging is
* started and if logging is redirected with --logto=stderr.
*/
static void
redirect_stdout (void)
{
#ifdef __MINGW32__ && __MSWIN_CONSOLE__
static const WORD MAX_CONSOLE_LINES = 500;
int hConHandle;
long lStdHandle;
CONSOLE_SCREEN_BUFFER_INFO coninfo;
FILE *fp;
// allocate a console for this app
AllocConsole();
// set the screen buffer to be big enough to let us scroll text
GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &coninfo);
coninfo.dwSize.Y = MAX_CONSOLE_LINES;
SetConsoleScreenBufferSize(GetStdHandle(STD_OUTPUT_HANDLE), coninfo.dwSize);
// redirect unbuffered STDOUT to the console
lStdHandle = (long)GetStdHandle(STD_OUTPUT_HANDLE);
hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
fp = _fdopen( hConHandle, "w" );
*stdout = *fp;
setvbuf( stdout, NULL, _IONBF, 0 );
// redirect unbuffered STDIN to the console
lStdHandle = (long)GetStdHandle(STD_INPUT_HANDLE);
hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
fp = _fdopen( hConHandle, "r" );
*stdin = *fp;
setvbuf( stdin, NULL, _IONBF, 0 );
// redirect unbuffered STDERR to the console
lStdHandle = (long)GetStdHandle(STD_ERROR_HANDLE);
hConHandle = _open_osfhandle(lStdHandle, _O_TEXT);
fp = _fdopen( hConHandle, "w" );
*stderr = *fp;
setvbuf( stderr, NULL, _IONBF, 0 );
#endif
}
int int
main(int argc, char ** argv) main(int argc, char ** argv)
{ {
@ -825,6 +878,7 @@ main(int argc, char ** argv)
} }
} }
#endif #endif
redirect_stdout ();
/* This should be called before gettext is initialized /* This should be called before gettext is initialized
* The user may have configured a different language via * The user may have configured a different language via
@ -846,7 +900,8 @@ main(int argc, char ** argv)
g_setenv ("LC_ALL", "C", TRUE); g_setenv ("LC_ALL", "C", TRUE);
setlocale (LC_ALL, "C"); setlocale (LC_ALL, "C");
} }
#endif else
printf ("Locale set to %s\n", sys_locale);
#ifdef HAVE_GETTEXT #ifdef HAVE_GETTEXT
{ {
gchar *localedir = gnc_path_get_localedir(); gchar *localedir = gnc_path_get_localedir();