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wine/misc/lstr.c
Uwe Bonnes 22d4b0afdd Use LoadString16 for FormatMessage16 and handle 
FORMAT_MESSAGE_ALLOCATE_BUFFER flag.
1999-10-13 14:00:09 +00:00

1014 lines
25 KiB
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/*
* String functions
*
* Copyright 1993 Yngvi Sigurjonsson (yngvi@hafro.is)
* Copyright 1996 Marcus Meissner
*/
#include "config.h"
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#ifdef HAVE_WCTYPE_H
# include <wctype.h>
#else
# define iswalnum(c) isalnum(c)
# define iswalpha(c) isalpha(c)
# define iswupper(c) isupper(c)
# define iswlower(c) islower(c)
#endif /* HAVE_WCTYPE_H */
#include "wine/winbase16.h"
#include "wine/winuser16.h"
#include "winbase.h"
#include "winuser.h"
#include "winnls.h"
#include "task.h"
#include "heap.h"
#include "ldt.h"
#include "stackframe.h"
#include "module.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(resource)
extern const WORD OLE2NLS_CT_CType3_LUT[]; /* FIXME: does not belong here */
/* Funny to divide them between user and kernel. */
/* be careful: always use functions from wctype.h if character > 255 */
/*
* Unicode case conversion routines ... these should be used where
* toupper/tolower are used for ASCII.
*/
#ifndef HAVE_WCTYPE_H
/* FIXME: should probably get rid of wctype.h altogether */
#include "casemap.h"
WCHAR towupper(WCHAR code)
{
const WCHAR * ptr = uprtable[HIBYTE(code)];
return ptr ? ptr[LOBYTE(code)] : code;
}
WCHAR towlower(WCHAR code)
{
const WCHAR * ptr = lwrtable[HIBYTE(code)];
return ptr ? ptr[LOBYTE(code)] : code;
}
#endif /* HAVE_WCTYPE_H */
/***********************************************************************
* IsCharAlpha (USER.433)
*/
BOOL16 WINAPI IsCharAlpha16(CHAR ch)
{
return isalpha(ch); /* This is probably not right for NLS */
}
/***********************************************************************
* IsCharAlphanumeric (USER.434)
*/
BOOL16 WINAPI IsCharAlphaNumeric16(CHAR ch)
{
return isalnum(ch);
}
/***********************************************************************
* IsCharUpper (USER.435)
*/
BOOL16 WINAPI IsCharUpper16(CHAR ch)
{
return isupper(ch);
}
/***********************************************************************
* IsCharLower (USER.436)
*/
BOOL16 WINAPI IsCharLower16(CHAR ch)
{
return islower(ch);
}
/***********************************************************************
* AnsiUpper16 (USER.431)
*/
SEGPTR WINAPI AnsiUpper16( SEGPTR strOrChar )
{
/* I am not sure if the locale stuff works with toupper, but then again
I am not sure if the Linux libc locale stuffs works at all */
/* uppercase only one char if strOrChar < 0x10000 */
if (HIWORD(strOrChar))
{
char *s;
for (s = PTR_SEG_TO_LIN(strOrChar); *s; s++) *s = toupper(*s);
return strOrChar;
}
else return toupper((char)strOrChar);
}
/***********************************************************************
* AnsiUpperBuff16 (USER.437)
*/
UINT16 WINAPI AnsiUpperBuff16( LPSTR str, UINT16 len )
{
UINT count = len ? len : 65536;
for (; count; count--, str++) *str = toupper(*str);
return len;
}
/***********************************************************************
* AnsiLower16 (USER.432)
*/
SEGPTR WINAPI AnsiLower16( SEGPTR strOrChar )
{
/* I am not sure if the locale stuff works with toupper, but then again
I am not sure if the Linux libc locale stuffs works at all */
/* lowercase only one char if strOrChar < 0x10000 */
if (HIWORD(strOrChar))
{
char *s;
for (s = PTR_SEG_TO_LIN( strOrChar ); *s; s++) *s = tolower( *s );
return strOrChar;
}
else return tolower((char)strOrChar);
}
/***********************************************************************
* AnsiLowerBuff16 (USER.438)
*/
UINT16 WINAPI AnsiLowerBuff16( LPSTR str, UINT16 len )
{
UINT count = len ? len : 65536;
for (; count; count--, str++) *str = tolower(*str);
return len;
}
/***********************************************************************
* AnsiNext16 (USER.472)
*/
SEGPTR WINAPI AnsiNext16(SEGPTR current)
{
return (*(char *)PTR_SEG_TO_LIN(current)) ? current + 1 : current;
}
/***********************************************************************
* AnsiPrev16 (USER.473)
*/
SEGPTR WINAPI AnsiPrev16( SEGPTR start, SEGPTR current )
{
return (current == start) ? start : current - 1;
}
/***********************************************************************
* CharNext32A (USER32.29)
*/
LPSTR WINAPI CharNextA( LPCSTR ptr )
{
if (!*ptr) return (LPSTR)ptr;
if (IsDBCSLeadByte( *ptr )) return (LPSTR)(ptr + 2);
return (LPSTR)(ptr + 1);
}
/***********************************************************************
* CharNextEx32A (USER32.30)
*/
LPSTR WINAPI CharNextExA( WORD codepage, LPCSTR ptr, DWORD flags )
{
if (!*ptr) return (LPSTR)ptr;
if (IsDBCSLeadByteEx( codepage, *ptr )) return (LPSTR)(ptr + 2);
return (LPSTR)(ptr + 1);
}
/***********************************************************************
* CharNextExW (USER32.31)
*/
LPWSTR WINAPI CharNextExW(WORD codepage,LPCWSTR x,DWORD flags)
{
/* FIXME: add DBCS / codepage stuff */
if (*x) return (LPWSTR)(x+1);
else return (LPWSTR)x;
}
/***********************************************************************
* CharNextW (USER32.32)
*/
LPWSTR WINAPI CharNextW(LPCWSTR x)
{
if (*x) return (LPWSTR)(x+1);
else return (LPWSTR)x;
}
/***********************************************************************
* CharPrev32A (USER32.33)
*/
LPSTR WINAPI CharPrevA( LPCSTR start, LPCSTR ptr )
{
while (*start && (start < ptr))
{
LPCSTR next = CharNextA( start );
if (next >= ptr) break;
start = next;
}
return (LPSTR)start;
}
/***********************************************************************
* CharPrevEx32A (USER32.34)
*/
LPSTR WINAPI CharPrevExA( WORD codepage, LPCSTR start, LPCSTR ptr, DWORD flags )
{
while (*start && (start < ptr))
{
LPCSTR next = CharNextExA( codepage, start, flags );
if (next > ptr) break;
start = next;
}
return (LPSTR)start;
}
/***********************************************************************
* CharPrevExW (USER32.35)
*/
LPWSTR WINAPI CharPrevExW(WORD codepage,LPCWSTR start,LPCWSTR x,DWORD flags)
{
/* FIXME: add DBCS / codepage stuff */
if (x>start) return (LPWSTR)(x-1);
else return (LPWSTR)x;
}
/***********************************************************************
* CharPrevW (USER32.36)
*/
LPWSTR WINAPI CharPrevW(LPCWSTR start,LPCWSTR x)
{
if (x>start) return (LPWSTR)(x-1);
else return (LPWSTR)x;
}
/***********************************************************************
* CharLowerA (USER32.25)
* FIXME: handle current locale
*/
LPSTR WINAPI CharLowerA(LPSTR x)
{
LPSTR s;
if (HIWORD(x))
{
s=x;
while (*s)
{
*s=tolower(*s);
s++;
}
return x;
}
else return (LPSTR)tolower((char)(int)x);
}
/***********************************************************************
* CharLowerBuffA (USER32.26)
* FIXME: handle current locale
*/
DWORD WINAPI CharLowerBuffA(LPSTR x,DWORD buflen)
{
DWORD done=0;
if (!x) return 0; /* YES */
while (*x && (buflen--))
{
*x=tolower(*x);
x++;
done++;
}
return done;
}
/***********************************************************************
* CharLowerBuffW (USER32.27)
* FIXME: handle current locale
*/
DWORD WINAPI CharLowerBuffW(LPWSTR x,DWORD buflen)
{
DWORD done=0;
if (!x) return 0; /* YES */
while (*x && (buflen--))
{
*x=towlower(*x);
x++;
done++;
}
return done;
}
/***********************************************************************
* CharLowerW (USER32.28)
* FIXME: handle current locale
*/
LPWSTR WINAPI CharLowerW(LPWSTR x)
{
if (HIWORD(x))
{
LPWSTR s = x;
while (*s)
{
*s=towlower(*s);
s++;
}
return x;
}
else return (LPWSTR)((UINT)towlower(LOWORD(x)));
}
/***********************************************************************
* CharUpper32A (USER32.41)
* FIXME: handle current locale
*/
LPSTR WINAPI CharUpperA(LPSTR x)
{
if (HIWORD(x))
{
LPSTR s = x;
while (*s)
{
*s=toupper(*s);
s++;
}
return x;
}
return (LPSTR)toupper((char)(int)x);
}
/***********************************************************************
* CharUpperBuffA (USER32.42)
* FIXME: handle current locale
*/
DWORD WINAPI CharUpperBuffA(LPSTR x,DWORD buflen)
{
DWORD done=0;
if (!x) return 0; /* YES */
while (*x && (buflen--))
{
*x=toupper(*x);
x++;
done++;
}
return done;
}
/***********************************************************************
* CharUpperBuffW (USER32.43)
* FIXME: handle current locale
*/
DWORD WINAPI CharUpperBuffW(LPWSTR x,DWORD buflen)
{
DWORD done=0;
if (!x) return 0; /* YES */
while (*x && (buflen--))
{
*x=towupper(*x);
x++;
done++;
}
return done;
}
/***********************************************************************
* CharUpperW (USER32.44)
* FIXME: handle current locale
*/
LPWSTR WINAPI CharUpperW(LPWSTR x)
{
if (HIWORD(x))
{
LPWSTR s = x;
while (*s)
{
*s=towupper(*s);
s++;
}
return x;
}
else return (LPWSTR)((UINT)towupper(LOWORD(x)));
}
/***********************************************************************
* IsCharAlphaA (USER32.331)
* FIXME: handle current locale
*/
BOOL WINAPI IsCharAlphaA(CHAR x)
{
return (OLE2NLS_CT_CType3_LUT[(unsigned char)x] & C3_ALPHA);
}
/***********************************************************************
* IsCharAlphaNumericA (USER32.332)
* FIXME: handle current locale
*/
BOOL WINAPI IsCharAlphaNumericA(CHAR x)
{
return IsCharAlphaA(x) || isdigit(x) ;
}
/***********************************************************************
* IsCharAlphaNumericW (USER32.333)
* FIXME: handle current locale
*/
BOOL WINAPI IsCharAlphaNumericW(WCHAR x)
{
return iswalnum(x);
}
/***********************************************************************
* IsCharAlphaW (USER32.334)
* FIXME: handle current locale
*/
BOOL WINAPI IsCharAlphaW(WCHAR x)
{
return iswalpha(x);
}
/***********************************************************************
* IsCharLower32A (USER32.335)
* FIXME: handle current locale
*/
BOOL WINAPI IsCharLowerA(CHAR x)
{
return islower(x);
}
/***********************************************************************
* IsCharLower32W (USER32.336)
* FIXME: handle current locale
*/
BOOL WINAPI IsCharLowerW(WCHAR x)
{
return iswlower(x);
}
/***********************************************************************
* IsCharUpper32A (USER32.337)
* FIXME: handle current locale
*/
BOOL WINAPI IsCharUpperA(CHAR x)
{
return isupper(x);
}
/***********************************************************************
* IsCharUpper32W (USER32.338)
* FIXME: handle current locale
*/
BOOL WINAPI IsCharUpperW(WCHAR x)
{
return iswupper(x);
}
/***********************************************************************
* FormatMessage16 (USER.606)
*/
DWORD WINAPI FormatMessage16(
DWORD dwFlags,
SEGPTR lpSource, /*not always a valid pointer*/
WORD dwMessageId,
WORD dwLanguageId,
LPSTR lpBuffer, /* *((HLOCAL16*)) for FORMAT_MESSAGE_ALLOCATE_BUFFER*/
WORD nSize,
LPDWORD args /* va_list *args */
) {
#ifdef __i386__
/* This implementation is completely dependant on the format of the va_list on x86 CPUs */
LPSTR target,t;
DWORD talloced;
LPSTR from,f;
DWORD width = dwFlags & FORMAT_MESSAGE_MAX_WIDTH_MASK;
DWORD nolinefeed = 0;
LPSTR allocstring;
TRACE("(0x%lx,%lx,%d,0x%x,%p,%d,%p)\n",
dwFlags,lpSource,dwMessageId,dwLanguageId,lpBuffer,nSize,args);
if (width)
FIXME("line wrapping not supported.\n");
from = NULL;
if (dwFlags & FORMAT_MESSAGE_FROM_STRING)
from = HEAP_strdupA( GetProcessHeap(), 0, PTR_SEG_TO_LIN(lpSource));
if (dwFlags & FORMAT_MESSAGE_FROM_SYSTEM) {
from = HeapAlloc( GetProcessHeap(),0,200 );
sprintf(from,"Systemmessage, messageid = 0x%08x\n",dwMessageId);
}
if (dwFlags & FORMAT_MESSAGE_FROM_HMODULE) {
INT16 bufsize;
HINSTANCE16 hinst16 = ((HMODULE)lpSource & 0xffff);
dwMessageId &= 0xFFFF;
bufsize=LoadString16(hinst16,dwMessageId,NULL,0);
if (bufsize) {
from = HeapAlloc( GetProcessHeap(), 0, bufsize +1);
LoadString16(hinst16,dwMessageId,from,bufsize+1);
}
}
target = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, 100);
t = target;
talloced= 100;
#define ADD_TO_T(c) \
*t++=c;\
if (t-target == talloced) {\
target = (char*)HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,target,talloced*2);\
t = target+talloced;\
talloced*=2;\
}
if (from) {
f=from;
while (*f && !nolinefeed) {
if (*f=='%') {
int insertnr;
char *fmtstr,*sprintfbuf,*x,*lastf;
DWORD *argliststart;
fmtstr = NULL;
lastf = f;
f++;
if (!*f) {
ADD_TO_T('%');
continue;
}
switch (*f) {
case '1':case '2':case '3':case '4':case '5':
case '6':case '7':case '8':case '9':
insertnr=*f-'0';
switch (f[1]) {
case '0':case '1':case '2':case '3':
case '4':case '5':case '6':case '7':
case '8':case '9':
f++;
insertnr=insertnr*10+*f-'0';
f++;
break;
default:
f++;
break;
}
if (*f=='!') {
f++;
if (NULL!=(x=strchr(f,'!'))) {
*x='\0';
fmtstr=HeapAlloc(GetProcessHeap(),0,strlen(f)+2);
sprintf(fmtstr,"%%%s",f);
f=x+1;
} else {
fmtstr=HeapAlloc(GetProcessHeap(),0,strlen(f));
sprintf(fmtstr,"%%%s",f);
f+=strlen(f); /*at \0*/
}
} else
if(!args)
break;
else
fmtstr=HEAP_strdupA(GetProcessHeap(),0,"%s");
if (args) {
argliststart=args+insertnr-1;
if (fmtstr[strlen(fmtstr)-1]=='s')
sprintfbuf=HeapAlloc(GetProcessHeap(),0,
strlen(PTR_SEG_TO_LIN(argliststart[0]))+1);
else
sprintfbuf=HeapAlloc(GetProcessHeap(),0,100);
/* CMF - This makes a BIG assumption about va_list */
wvsprintf16(sprintfbuf, fmtstr, (va_list) argliststart);
x=sprintfbuf;
while (*x) {
ADD_TO_T(*x++);
}
HeapFree(GetProcessHeap(),0,sprintfbuf);
} else {
/* NULL args - copy formatstr
* (probably wrong)
*/
while ((lastf<f)&&(*lastf)) {
ADD_TO_T(*lastf++);
}
}
HeapFree(GetProcessHeap(),0,fmtstr);
break;
case 'n':
/* FIXME: perhaps add \r too? */
ADD_TO_T('\n');
f++;
break;
case '0':
nolinefeed=1;
f++;
break;
default:
ADD_TO_T(*f++);
break;
}
} else {
ADD_TO_T(*f++);
}
}
*t='\0';
}
if (!nolinefeed) {
/* add linefeed */
if(t==target || t[-1]!='\n')
ADD_TO_T('\n'); /* FIXME: perhaps add \r too? */
}
talloced = strlen(target)+1;
if (nSize && talloced<nSize) {
target = (char*)HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,target,nSize);
}
TRACE("-- %s\n",debugstr_a(target));
if (dwFlags & FORMAT_MESSAGE_ALLOCATE_BUFFER) {
/* nSize is the MINIMUM size */
*((HLOCAL16*)lpBuffer)= LocalAlloc16(LPTR,talloced);
allocstring=PTR_SEG_OFF_TO_LIN(CURRENT_DS,*((HLOCAL16*)lpBuffer));
memcpy( allocstring,target,talloced);
} else
strncpy(lpBuffer,target,nSize);
HeapFree(GetProcessHeap(),0,target);
if (from) HeapFree(GetProcessHeap(),0,from);
return (dwFlags & FORMAT_MESSAGE_ALLOCATE_BUFFER) ?
strlen(allocstring):
strlen(lpBuffer);
#else
return 0;
#endif /* __i386__ */
}
#undef ADD_TO_T
/***********************************************************************
* FormatMessage32A (KERNEL32.138)
* FIXME: missing wrap,FROM_SYSTEM message-loading,
*/
DWORD WINAPI FormatMessageA(
DWORD dwFlags,
LPCVOID lpSource,
DWORD dwMessageId,
DWORD dwLanguageId,
LPSTR lpBuffer,
DWORD nSize,
LPDWORD args /* va_list *args */
) {
#ifdef __i386__
/* This implementation is completely dependant on the format of the va_list on x86 CPUs */
LPSTR target,t;
DWORD talloced;
LPSTR from,f;
DWORD width = dwFlags & FORMAT_MESSAGE_MAX_WIDTH_MASK;
DWORD nolinefeed = 0;
TRACE("(0x%lx,%p,%ld,0x%lx,%p,%ld,%p)\n",
dwFlags,lpSource,dwMessageId,dwLanguageId,lpBuffer,nSize,args);
if (width)
FIXME("line wrapping not supported.\n");
from = NULL;
if (dwFlags & FORMAT_MESSAGE_FROM_STRING)
from = HEAP_strdupA( GetProcessHeap(), 0, (LPSTR)lpSource);
if (dwFlags & FORMAT_MESSAGE_FROM_SYSTEM) {
from = HeapAlloc( GetProcessHeap(),0,200 );
sprintf(from,"Systemmessage, messageid = 0x%08lx\n",dwMessageId);
}
if (dwFlags & FORMAT_MESSAGE_FROM_HMODULE) {
INT bufsize;
dwMessageId &= 0xFFFF;
bufsize=LoadMessageA((HMODULE)lpSource,dwMessageId,dwLanguageId,NULL,100);
if (bufsize) {
from = HeapAlloc( GetProcessHeap(), 0, bufsize + 1 );
LoadMessageA((HMODULE)lpSource,dwMessageId,dwLanguageId,from,bufsize+1);
}
}
target = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, 100);
t = target;
talloced= 100;
#define ADD_TO_T(c) \
*t++=c;\
if (t-target == talloced) {\
target = (char*)HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,target,talloced*2);\
t = target+talloced;\
talloced*=2;\
}
if (from) {
f=from;
while (*f && !nolinefeed) {
if (*f=='%') {
int insertnr;
char *fmtstr,*sprintfbuf,*x,*lastf;
DWORD *argliststart;
fmtstr = NULL;
lastf = f;
f++;
if (!*f) {
ADD_TO_T('%');
continue;
}
switch (*f) {
case '1':case '2':case '3':case '4':case '5':
case '6':case '7':case '8':case '9':
insertnr=*f-'0';
switch (f[1]) {
case '0':case '1':case '2':case '3':
case '4':case '5':case '6':case '7':
case '8':case '9':
f++;
insertnr=insertnr*10+*f-'0';
f++;
break;
default:
f++;
break;
}
if (*f=='!') {
f++;
if (NULL!=(x=strchr(f,'!'))) {
*x='\0';
fmtstr=HeapAlloc(GetProcessHeap(),0,strlen(f)+2);
sprintf(fmtstr,"%%%s",f);
f=x+1;
} else {
fmtstr=HeapAlloc(GetProcessHeap(),0,strlen(f));
sprintf(fmtstr,"%%%s",f);
f+=strlen(f); /*at \0*/
}
} else
if(!args)
break;
else
fmtstr=HEAP_strdupA(GetProcessHeap(),0,"%s");
if (args) {
if (dwFlags & FORMAT_MESSAGE_ARGUMENT_ARRAY)
argliststart=args+insertnr-1;
else
argliststart=(*(DWORD**)args)+insertnr-1;
if (fmtstr[strlen(fmtstr)-1]=='s')
sprintfbuf=HeapAlloc(GetProcessHeap(),0,strlen((LPSTR)argliststart[0])+1);
else
sprintfbuf=HeapAlloc(GetProcessHeap(),0,100);
/* CMF - This makes a BIG assumption about va_list */
wvsprintfA(sprintfbuf, fmtstr, (va_list) argliststart);
x=sprintfbuf;
while (*x) {
ADD_TO_T(*x++);
}
HeapFree(GetProcessHeap(),0,sprintfbuf);
} else {
/* NULL args - copy formatstr
* (probably wrong)
*/
while ((lastf<f)&&(*lastf)) {
ADD_TO_T(*lastf++);
}
}
HeapFree(GetProcessHeap(),0,fmtstr);
break;
case 'n':
/* FIXME: perhaps add \r too? */
ADD_TO_T('\n');
f++;
break;
case '0':
nolinefeed=1;
f++;
break;
default:ADD_TO_T(*f++)
break;
}
} else {
ADD_TO_T(*f++)
}
}
*t='\0';
}
if (!nolinefeed) {
/* add linefeed */
if(t==target || t[-1]!='\n')
ADD_TO_T('\n'); /* FIXME: perhaps add \r too? */
}
talloced = strlen(target)+1;
if (nSize && talloced<nSize) {
target = (char*)HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,target,nSize);
}
TRACE("-- %s\n",debugstr_a(target));
if (dwFlags & FORMAT_MESSAGE_ALLOCATE_BUFFER) {
/* nSize is the MINIMUM size */
*((LPVOID*)lpBuffer) = (LPVOID)LocalAlloc(GMEM_ZEROINIT,talloced);
memcpy(*(LPSTR*)lpBuffer,target,talloced);
} else
strncpy(lpBuffer,target,nSize);
HeapFree(GetProcessHeap(),0,target);
if (from) HeapFree(GetProcessHeap(),0,from);
return (dwFlags & FORMAT_MESSAGE_ALLOCATE_BUFFER) ?
strlen(*(LPSTR*)lpBuffer):
strlen(lpBuffer);
#else
return 0;
#endif /* __i386__ */
}
#undef ADD_TO_T
/***********************************************************************
* FormatMessage32W (KERNEL32.138)
*/
DWORD WINAPI FormatMessageW(
DWORD dwFlags,
LPCVOID lpSource,
DWORD dwMessageId,
DWORD dwLanguageId,
LPWSTR lpBuffer,
DWORD nSize,
LPDWORD args /* va_list *args */
) {
#ifdef __i386__
/* This implementation is completely dependant on the format of the va_list on x86 CPUs */
LPSTR target,t;
DWORD talloced;
LPSTR from,f;
DWORD width = dwFlags & FORMAT_MESSAGE_MAX_WIDTH_MASK;
DWORD nolinefeed = 0;
TRACE("(0x%lx,%p,%ld,0x%lx,%p,%ld,%p)\n",
dwFlags,lpSource,dwMessageId,dwLanguageId,lpBuffer,nSize,args);
if (width)
FIXME("line wrapping not supported.\n");
from = NULL;
if (dwFlags & FORMAT_MESSAGE_FROM_STRING)
from = HEAP_strdupWtoA(GetProcessHeap(),0,(LPWSTR)lpSource);
if (dwFlags & FORMAT_MESSAGE_FROM_SYSTEM) {
/* gather information from system message tables ... */
from = HeapAlloc( GetProcessHeap(),0,200 );
sprintf(from,"Systemmessage, messageid = 0x%08lx\n",dwMessageId);
}
if (dwFlags & FORMAT_MESSAGE_FROM_HMODULE) {
INT bufsize;
dwMessageId &= 0xFFFF;
bufsize=LoadMessageA((HMODULE)lpSource,dwMessageId,dwLanguageId,NULL,100);
if (bufsize)
{
from = HeapAlloc( GetProcessHeap(), 0, bufsize + 1 );
LoadMessageA((HMODULE)lpSource,dwMessageId,dwLanguageId,from,bufsize+1);
}
}
target = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, 100 );
t = target;
talloced= 100;
#define ADD_TO_T(c) \
*t++=c;\
if (t-target == talloced) {\
target = (char*)HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,target,talloced*2);\
t = target+talloced;\
talloced*=2;\
}
if (from) {
f=from;
while (*f && !nolinefeed) {
if (*f=='%') {
int insertnr;
char *fmtstr,*sprintfbuf,*x;
DWORD *argliststart;
fmtstr = NULL;
f++;
if (!*f) {
ADD_TO_T('%');
continue;
}
switch (*f) {
case '1':case '2':case '3':case '4':case '5':
case '6':case '7':case '8':case '9':
insertnr=*f-'0';
switch (f[1]) {
case '0':case '1':case '2':case '3':
case '4':case '5':case '6':case '7':
case '8':case '9':
f++;
insertnr=insertnr*10+*f-'0';
f++;
break;
default:
f++;
break;
}
if (*f=='!') {
f++;
if (NULL!=(x=strchr(f,'!')))
{
*x='\0';
fmtstr=HeapAlloc( GetProcessHeap(), 0, strlen(f)+2);
sprintf(fmtstr,"%%%s",f);
f=x+1;
} else {
fmtstr=HeapAlloc(GetProcessHeap(),0,strlen(f));
sprintf(fmtstr,"%%%s",f);
f+=strlen(f); /*at \0*/
}
} else
if(!args)
break;
else
fmtstr=HEAP_strdupA( GetProcessHeap(),0,"%s");
if (dwFlags & FORMAT_MESSAGE_ARGUMENT_ARRAY)
argliststart=args+insertnr-1;
else
argliststart=(*(DWORD**)args)+insertnr-1;
if (fmtstr[strlen(fmtstr)-1]=='s') {
DWORD xarr[3];
xarr[0]=(DWORD)HEAP_strdupWtoA(GetProcessHeap(),0,(LPWSTR)(*(argliststart+0)));
/* possible invalid pointers */
xarr[1]=*(argliststart+1);
xarr[2]=*(argliststart+2);
sprintfbuf=HeapAlloc(GetProcessHeap(),0,lstrlenW((LPWSTR)argliststart[0])*2+1);
/* CMF - This makes a BIG assumption about va_list */
vsprintf(sprintfbuf, fmtstr, (va_list) xarr);
} else {
sprintfbuf=HeapAlloc(GetProcessHeap(),0,100);
/* CMF - This makes a BIG assumption about va_list */
wvsprintfA(sprintfbuf, fmtstr, (va_list) argliststart);
}
x=sprintfbuf;
while (*x) {
ADD_TO_T(*x++);
}
HeapFree(GetProcessHeap(),0,sprintfbuf);
HeapFree(GetProcessHeap(),0,fmtstr);
break;
case 'n':
/* FIXME: perhaps add \r too? */
ADD_TO_T('\n');
f++;
break;
case '0':
nolinefeed=1;
f++;
break;
default:ADD_TO_T(*f++)
break;
}
} else {
ADD_TO_T(*f++)
}
}
*t='\0';
}
if (!nolinefeed) {
/* add linefeed */
if(t==target || t[-1]!='\n')
ADD_TO_T('\n'); /* FIXME: perhaps add \r too? */
}
talloced = strlen(target)+1;
if (nSize && talloced<nSize)
target = (char*)HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,target,nSize);
if (dwFlags & FORMAT_MESSAGE_ALLOCATE_BUFFER) {
/* nSize is the MINIMUM size */
*((LPVOID*)lpBuffer) = (LPVOID)LocalAlloc(GMEM_ZEROINIT,talloced*2+2);
lstrcpynAtoW(*(LPWSTR*)lpBuffer,target,talloced);
} else
lstrcpynAtoW(lpBuffer,target,nSize);
HeapFree(GetProcessHeap(),0,target);
if (from) HeapFree(GetProcessHeap(),0,from);
return (dwFlags & FORMAT_MESSAGE_ALLOCATE_BUFFER) ?
lstrlenW(*(LPWSTR*)lpBuffer):
lstrlenW(lpBuffer);
#else
return 0;
#endif /* __i386__ */
}
#undef ADD_TO_T
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