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Convert FormatMessageW to use unicode functions.

This commit is contained in:
Ulrich Czekalla 2004-03-19 01:52:10 +00:00 committed by Alexandre Julliard
parent 9e1bafd0df
commit cf5775fd09
1 changed files with 70 additions and 58 deletions
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128
dlls/kernel/format_msg.c
View File

@ -34,7 +34,6 @@
#include "winnls.h"
#include "wine/unicode.h"
#include "kernel_private.h"
#include "heap.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(resource);
@ -62,11 +61,14 @@ WINE_DEFAULT_DEBUG_CHANNEL(resource);
* Yes, ANSI strings in win32 resources. Go figure.
*/
const WCHAR PCNTFMTWSTR[] = { '%','%','%','s',0 };
const WCHAR FMTWSTR[] = { '%','s',0 };
/**********************************************************************
* load_messageA (internal)
* load_messageW (internal)
*/
static INT load_messageA( HMODULE instance, UINT id, WORD lang,
LPSTR buffer, INT buflen )
static INT load_messageW( HMODULE instance, UINT id, WORD lang,
LPWSTR buffer, INT buflen )
{
const MESSAGE_RESOURCE_ENTRY *mre;
int i,slen;
@ -75,16 +77,22 @@ static INT load_messageA( HMODULE instance, UINT id, WORD lang,
if (RtlFindMessage( instance, RT_MESSAGETABLE, lang, id, &mre ) != STATUS_SUCCESS) return 0;
slen=mre->Length;
if (mre->Flags & MESSAGE_RESOURCE_UNICODE)
slen = mre->Length / sizeof(WCHAR);
else
slen=mre->Length;
TRACE(" - strlen=%d\n",slen);
i = min(buflen - 1, slen);
if (buffer == NULL)
return slen;
if (i>0) {
if (mre->Flags & MESSAGE_RESOURCE_UNICODE)
WideCharToMultiByte( CP_ACP, 0, (LPWSTR)mre->Text, -1, buffer, i, NULL, NULL );
lstrcpynW(buffer, (LPWSTR)mre->Text, i);
else
lstrcpynA(buffer, (LPSTR)mre->Text, i);
MultiByteToWideChar( CP_ACP, 0, mre->Text, -1, buffer, i);
buffer[i]=0;
} else {
if (buflen>1) {
@ -93,33 +101,37 @@ static INT load_messageA( HMODULE instance, UINT id, WORD lang,
}
}
if (buffer)
TRACE("'%s' copied !\n", buffer);
TRACE("'%s' copied !\n", wine_dbgstr_w(buffer));
return i;
}
#if 0 /* FIXME */
/**********************************************************************
* load_messageW (internal)
* load_messageA (internal)
*/
static INT load_messageW( HMODULE instance, UINT id, WORD lang,
LPWSTR buffer, INT buflen )
static INT load_messageA( HMODULE instance, UINT id, WORD lang,
LPSTR buffer, INT buflen )
{
INT retval;
LPSTR buffer2 = NULL;
if (buffer && buflen)
buffer2 = HeapAlloc( GetProcessHeap(), 0, buflen );
retval = load_messageA(instance,id,lang,buffer2,buflen);
if (buffer)
INT ret = 0;
LPWSTR bufferW;
TRACE("instance = %08lx, id = %08lx, buffer = %p, length = %ld\n",
(DWORD)instance, (DWORD)id, buffer, (DWORD)buflen);
if (buffer == NULL)
return load_messageW(instance, id, lang, NULL, 0);
bufferW = HeapAlloc(GetProcessHeap(), 0, buflen * sizeof(WCHAR));
if (bufferW)
{
if (retval) {
lstrcpynAtoW( buffer, buffer2, buflen );
retval = strlenW( buffer );
ret = load_messageW(instance, id, lang, bufferW, buflen);
if (ret > 0)
WideCharToMultiByte(CP_ACP, 0, bufferW, -1, buffer, ret, NULL, NULL);
}
HeapFree( GetProcessHeap(), 0, buffer2 );
}
return retval;
return ret;
}
#endif
/***********************************************************************
@ -367,9 +379,9 @@ DWORD WINAPI FormatMessageW(
LPDWORD args=(LPDWORD)_args;
#if defined(__i386__) || defined(__sparc__)
/* This implementation is completely dependent on the format of the va_list on x86 CPUs */
LPSTR target,t;
LPWSTR target,t;
DWORD talloced;
LPSTR from,f;
LPWSTR from,f;
DWORD width = dwFlags & FORMAT_MESSAGE_MAX_WIDTH_MASK;
BOOL eos = FALSE;
INT bufsize;
@ -386,7 +398,9 @@ DWORD WINAPI FormatMessageW(
FIXME("line wrapping not supported.\n");
from = NULL;
if (dwFlags & FORMAT_MESSAGE_FROM_STRING) {
from = HEAP_strdupWtoA(GetProcessHeap(),0,(LPWSTR)lpSource);
from = HeapAlloc( GetProcessHeap(), 0, (strlenW((LPWSTR)lpSource) + 1) +
sizeof(WCHAR) );
strcpyW( from, (LPWSTR)lpSource );
}
else {
bufsize = 0;
@ -395,12 +409,12 @@ DWORD WINAPI FormatMessageW(
{
if (!hmodule)
hmodule = GetModuleHandleW(NULL);
bufsize=load_messageA(hmodule,dwMessageId,dwLanguageId,NULL,100);
bufsize=load_messageW(hmodule,dwMessageId,dwLanguageId,NULL,100);
}
if ((dwFlags & FORMAT_MESSAGE_FROM_SYSTEM) && (!bufsize))
{
hmodule = kernel32_handle;
bufsize=load_messageA(hmodule,dwMessageId,dwLanguageId,NULL,100);
bufsize=load_messageW(hmodule,dwMessageId,dwLanguageId,NULL,100);
}
if (!bufsize) {
@ -408,17 +422,17 @@ DWORD WINAPI FormatMessageW(
return 0;
}
from = HeapAlloc( GetProcessHeap(), 0, bufsize + 1 );
load_messageA(hmodule,dwMessageId,dwLanguageId,from,bufsize+1);
from = HeapAlloc( GetProcessHeap(), 0, (bufsize + 1) * sizeof(WCHAR) );
load_messageW(hmodule,dwMessageId,dwLanguageId,from,bufsize+1);
}
target = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, 100 );
target = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, 100 * sizeof(WCHAR) );
t = target;
talloced= 100;
#define ADD_TO_T(c) do {\
*t++=c;\
if (t-target == talloced) {\
target = (char*)HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,target,talloced*2);\
target = (WCHAR*)HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,target,talloced*2*sizeof(WCHAR));\
t = target+talloced;\
talloced*=2;\
} \
@ -434,7 +448,7 @@ DWORD WINAPI FormatMessageW(
while (*f && !eos) {
if (*f=='%') {
int insertnr;
char *fmtstr,*sprintfbuf,*x;
WCHAR *fmtstr,*sprintfbuf,*x;
DWORD *argliststart;
fmtstr = NULL;
@ -462,43 +476,42 @@ DWORD WINAPI FormatMessageW(
}
if (*f=='!') {
f++;
if (NULL!=(x=strchr(f,'!'))) {
if (NULL!=(x=strchrW(f,'!'))) {
*x='\0';
fmtstr=HeapAlloc( GetProcessHeap(), 0, strlen(f)+2);
sprintf(fmtstr,"%%%s",f);
fmtstr=HeapAlloc( GetProcessHeap(), 0,(strlenW(f)+2)*sizeof(WCHAR));
sprintfW(fmtstr,PCNTFMTWSTR,f);
f=x+1;
} else {
fmtstr=HeapAlloc(GetProcessHeap(),0,strlen(f)+2);
sprintf(fmtstr,"%%%s",f);
f+=strlen(f); /*at \0*/
fmtstr=HeapAlloc(GetProcessHeap(),0,(strlenW(f)+2)*sizeof(WCHAR));
sprintfW(fmtstr,PCNTFMTWSTR,f);
f+=strlenW(f); /*at \0*/
}
} else {
if(!args) break;
fmtstr = HeapAlloc( GetProcessHeap(),0,3);
strcpy( fmtstr, "%s" );
fmtstr = HeapAlloc( GetProcessHeap(),0,3*sizeof(WCHAR));
strcpyW( fmtstr, FMTWSTR );
}
if (dwFlags & FORMAT_MESSAGE_ARGUMENT_ARRAY)
argliststart=args+insertnr-1;
else
argliststart=(*(DWORD**)args)+insertnr-1;
if (fmtstr[strlen(fmtstr)-1]=='s' && argliststart[0]) {
if (fmtstr[strlenW(fmtstr)-1]=='s' && argliststart[0]) {
DWORD xarr[3];
xarr[0]=(DWORD)HEAP_strdupWtoA(GetProcessHeap(),0,(LPWSTR)(*(argliststart+0)));
xarr[0]=*(argliststart+0);
/* possible invalid pointers */
xarr[1]=*(argliststart+1);
xarr[2]=*(argliststart+2);
sprintfbuf=HeapAlloc(GetProcessHeap(),0,strlenW((LPWSTR)argliststart[0])*2+1);
sprintfbuf=HeapAlloc(GetProcessHeap(),0,(strlenW((LPWSTR)argliststart[0])*2+1)*sizeof(WCHAR));
/* CMF - This makes a BIG assumption about va_list */
vsprintf(sprintfbuf, fmtstr, (va_list) xarr);
HeapFree(GetProcessHeap(), 0, (LPVOID) xarr[0]);
vsprintfW(sprintfbuf, fmtstr, (va_list) xarr);
} else {
sprintfbuf=HeapAlloc(GetProcessHeap(),0,100);
/* CMF - This makes a BIG assumption about va_list */
vsprintf(sprintfbuf, fmtstr, (va_list) argliststart);
vsprintfW(sprintfbuf, fmtstr, (va_list) argliststart);
}
x=sprintfbuf;
while (*x) {
@ -552,22 +565,21 @@ DWORD WINAPI FormatMessageW(
}
*t='\0';
}
talloced = strlen(target)+1;
talloced = strlenW(target)+1;
if (nSize && talloced<nSize)
target = (char*)HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,target,nSize);
target = (WCHAR*)HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,target,nSize*sizeof(WCHAR));
if (dwFlags & FORMAT_MESSAGE_ALLOCATE_BUFFER) {
/* nSize is the MINIMUM size */
DWORD len = MultiByteToWideChar( CP_ACP, 0, target, -1, NULL, 0 );
DWORD len = strlenW(target) + 1;
*((LPVOID*)lpBuffer) = (LPVOID)LocalAlloc(GMEM_ZEROINIT,len*sizeof(WCHAR));
MultiByteToWideChar( CP_ACP, 0, target, -1, *(LPWSTR*)lpBuffer, len );
}
else
{
if (nSize > 0 && !MultiByteToWideChar( CP_ACP, 0, target, -1, lpBuffer, nSize ))
lpBuffer[nSize-1] = 0;
strcpyW(*(LPWSTR*)lpBuffer, target);
}
else lstrcpynW(lpBuffer, target, nSize);
HeapFree(GetProcessHeap(),0,target);
if (from) HeapFree(GetProcessHeap(),0,from);
TRACE("ret=%s\n", wine_dbgstr_w((dwFlags & FORMAT_MESSAGE_ALLOCATE_BUFFER) ?
*(LPWSTR*)lpBuffer : lpBuffer));
return (dwFlags & FORMAT_MESSAGE_ALLOCATE_BUFFER) ?
strlenW(*(LPWSTR*)lpBuffer):
strlenW(lpBuffer);