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Fix crash when some programs start

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A few functions that are hooked are not imported, so testing if my
import was already hooked would fail.

SetCurrentConsoleFontEx should have been hooked, but wasn't.
This commit is contained in:
Jason Hood 2019-02-03 18:49:28 +10:00
parent eccbbe7a54
commit a1bf74dff9
5 changed files with 23 additions and 10 deletions
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9
ANSI.c
View File

@ -219,6 +219,10 @@
v1.86, 4 November, 2018:
always unhook, even on terminate;
check the DLL still exists before adding to imports.
v1.87, 3 February, 2019:
some hooked functions are not imported, so myimport wasn't set;
add missing SetCurrentConsoleFontEx to list of hooks.
*/
#include "ansicon.h"
@ -2802,6 +2806,10 @@ BOOL HookAPIOneMod(
hook->myimport = &pThunk->u1.Function;
DEBUGSTR( 3, " %s%s", sp, hook->name );
}
else if (hook->myimport == 0)
{
patch = hook->newfunc;
}
else
{
// Don't hook if our import already points to the module being
@ -3979,6 +3987,7 @@ HookFn Hooks[] = {
HOOK( APIConsole, SetConsoleScreenBufferSize ),
HOOK( APIConsole, SetConsoleTextAttribute ),
HOOK( APIConsole, SetConsoleWindowInfo ),
HOOK( APIConsole, SetCurrentConsoleFontEx ),
HOOK( APIConsole, WriteConsoleOutputA ),
HOOK( APIConsole, WriteConsoleOutputW ),
HOOK( APIConsole, WriteConsoleOutputAttribute ),

2
LICENSE.txt
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@ -1,4 +1,4 @@
Copyright (C) 2005-2018 Jason Hood
Copyright (C) 2005-2019 Jason Hood
This software is provided 'as-is', without any express or implied
warranty. In no event will the author be held liable for any damages

2
ansicon.c
View File

@ -99,7 +99,7 @@
add log level 32 to log CreateFile.
*/
#define PDATE L"4 November, 2018"
#define PDATE L"3 February, 2019"
#include "ansicon.h"
#include "version.h"

10
readme.txt
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@ -1,9 +1,9 @@
ANSICON
Copyright 2005-2018 Jason Hood
Copyright 2005-2019 Jason Hood
Version 1.86. Freeware
Version 1.87. Freeware
Description
@ -340,6 +340,10 @@ Version History
Legend: + added, - bug-fixed, * changed.
1.87 - 3 February, 2019:
- fix crash when some programs start (bug during hooking);
- properly hook SetCurrentConsoleFontEx.
1.86 - 4 November, 2018:
- check the DLL exists before importing it (allows renaming to update);
- unhook on terminate, as well (fixes issues with Vista and MinGW).
@ -641,4 +645,4 @@ Distribution
=============================
Jason Hood, 4 November, 2018.
Jason Hood, 3 February, 2019.

10
version.h
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@ -2,11 +2,11 @@
version.h - Version defines.
*/
#define PVERS L"1.86" // wide string
#define PVERSA "1.86" // ANSI string (windres 2.16.91 didn't like L)
#define PVERE L"186" // wide environment string
#define PVEREA "186" // ANSI environment string
#define PVERB 1,8,6,0 // binary (resource)
#define PVERS L"1.87" // wide string
#define PVERSA "1.87" // ANSI string (windres 2.16.91 didn't like L)
#define PVERE L"187" // wide environment string
#define PVEREA "187" // ANSI environment string
#define PVERB 1,8,7,0 // binary (resource)
#ifdef _WIN64
# define BITS L"64"