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Miscellaneous implementation of kernel32 stubs.

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Changed the implementation of ReadFileEx.

svn path=/trunk/; revision=678
This commit is contained in:
Boudewijn Dekker 1999-10-02 20:20:44 +00:00
parent 3174c5069a
commit 1d786dd865
7 changed files with 460 additions and 204 deletions
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150
reactos/lib/kernel32/misc/env.c
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@ -346,3 +346,153 @@ FreeEnvironmentStringsW(
return TRUE;
}
int ExpandVariableA(
LPCSTR lpSrc, LPSTR lpDst, DWORD nSize , DWORD *nWritten)
{
int nVar = 0;
LPSTR lpVar;
LPSTR lpEnd;
if ( nWritten == NULL )
return -1;
if ( *lpSrc != '%' ) {
return -1;
}
lpVar = (LPSTR)lpSrc;
lpVar++;
lpEnd = strchr( lpVar, '%' );
if ( lpEnd == NULL ) {
return -1;
}
else
*lpEnd = 0;
nWritten = GetEnvironmentVariableA(lpVar,lpDst,nSize);
*lpEnd = '%';
if ( nWritten == 0 )
return -1;
if ( nWritten > nSize )
return -1;
return (lpEnd - lpVar) -1;
}
DWORD STDCALL ExpandEnvironmentStringsA(
LPCSTR lpSrc, LPSTR lpDst, DWORD nSize
)
{
DWORD v;
DWORD bw;
while(*lpSrc != 0 && nSize > 0 )
{
if ( *lpSrc == '%' ) {
v = ExpandVariableA(lpSrc,lpDst,nSize , &bw);
if ( v == -1 ) {
*lpDst = *lpSrc;
lpDst++;
lpSrc++;
nSize--;
}
else {
lpSrc+=v;
lpDst+=bw;
nSize-=bw;
}
}
else {
*lpDst = *lpSrc;
lpDst++;
lpSrc++;
nSize--;
}
}
}
int ExpandVariableW(
LPCWSTR lpSrc, LPWSTR lpDst, DWORD nSize , DWORD *nWritten)
{
LPWSTR lpVar;
LPWSTR lpEnd;
if ( nWritten == NULL )
return -1;
if ( *lpSrc != L'%' ) {
return -1;
}
lpVar = (LPWSTR)lpSrc;
lpVar++;
lpEnd = wcschr( lpVar, L'%' );
if ( lpEnd == NULL ) {
return -1;
}
else
*lpEnd = 0;
nWritten = GetEnvironmentVariableW(lpVar,lpDst,nSize);
*lpEnd = L'%';
if ( nWritten == 0 )
return -1;
if ( nWritten > nSize )
return -1;
return ((lpEnd - lpVar)/2) -1;
}
DWORD STDCALL ExpandEnvironmentStringsW(
LPCWSTR lpSrc, LPWSTR lpDst, DWORD nSize
)
{
DWORD v;
DWORD bw;
while(*lpSrc != 0 && nSize > 0 )
{
if ( *lpSrc == L'%' ) {
v = ExpandVariableW(lpSrc,lpDst,nSize , &bw);
if ( v == -1 ) {
*lpDst = *lpSrc;
lpDst++;
lpSrc++;
nSize--;
}
else {
lpSrc+=v;
lpDst+=bw;
nSize-=bw;
}
}
else {
*lpDst = *lpSrc;
lpDst++;
lpSrc++;
nSize--;
}
}
}