/*********************************************************************
* strncpy_s (MSVCRT.@)
*/
int CDECL strncpy_s(char *dest, MSVCRT_size_t numberOfElements,
const char *src, MSVCRT_size_t count)
{
MSVCRT_size_t i, end;
TRACE("(%s %lu %s %lu)\n", dest, numberOfElements, src, count);
if(!count)
return 0;
if(!dest || !src || !numberOfElements) {
MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
if(count!=MSVCRT__TRUNCATE && count<numberOfElements)
end = count;
else
end = numberOfElements-1;
for(i=0; i<end && src[i]; i++)
dest[i] = src[i];
if(!src[i] || end==count || count==MSVCRT__TRUNCATE) {
dest[i] = '\0';
return 0;
}
MSVCRT__invalid_parameter(NULL, NULL, NULL, 0, 0);
dest[0] = '\0';
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
/*********************************************************************
* _get_tzname (MSVCRT.@)
*/
int CDECL MSVCRT__get_tzname(MSVCRT_size_t *ret, char *buf, MSVCRT_size_t bufsize, int index)
{
char *timezone;
switch(index)
{
case 0:
timezone = tzname_std;
break;
case 1:
timezone = tzname_dst;
break;
default:
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
if(!ret || (!buf && bufsize > 0) || (buf && !bufsize))
{
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
*ret = strlen(timezone)+1;
if(!buf && !bufsize)
return 0;
strcpy(buf, timezone);
return 0;
}
/*********************************************************************
* _wgetdcwd (MSVCRT.@)
*
* Unicode version of _wgetdcwd.
*/
MSVCRT_wchar_t* CDECL MSVCRT__wgetdcwd(int drive, MSVCRT_wchar_t * buf, int size)
{
static MSVCRT_wchar_t* dummy;
TRACE(":drive %d(%c), size %d\n",drive, drive + 'A' - 1, size);
if (!drive || drive == MSVCRT__getdrive())
return MSVCRT__wgetcwd(buf,size); /* current */
else
{
MSVCRT_wchar_t dir[MAX_PATH];
MSVCRT_wchar_t drivespec[4] = {'A', ':', '\\', 0};
int dir_len;
drivespec[0] += drive - 1;
if (GetDriveTypeW(drivespec) < DRIVE_REMOVABLE)
{
*MSVCRT__errno() = MSVCRT_EACCES;
return NULL;
}
dir_len = GetFullPathNameW(drivespec,MAX_PATH,dir,&dummy);
if (dir_len >= size || dir_len < 1)
{
*MSVCRT__errno() = MSVCRT_ERANGE;
return NULL; /* buf too small */
}
TRACE(":returning %s\n", debugstr_w(dir));
if (!buf)
return MSVCRT__wcsdup(dir); /* allocate */
strcpyW(buf,dir);
}
return buf;
}
/*********************************************************************
* _localtime64_s (MSVCRT.@)
*/
int CDECL _localtime64_s(struct MSVCRT_tm *time, const MSVCRT___time64_t *secs)
{
struct tm *tm;
time_t seconds;
if (!time || !secs || *secs < 0 || *secs > _MAX__TIME64_T)
{
if (time)
write_invalid_msvcrt_tm(time);
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
seconds = *secs;
_mlock(_TIME_LOCK);
if (!(tm = localtime(&seconds)))
{
_munlock(_TIME_LOCK);
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
unix_tm_to_msvcrt(time, tm);
_munlock(_TIME_LOCK);
return 0;
}
/*********************************************************************
* _strlwr_s_l (MSVCRT.@)
*/
int CDECL _strlwr_s_l(char *str, MSVCRT_size_t len, MSVCRT__locale_t locale)
{
char *ptr = str;
if (!str || !len)
{
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
while (len && *ptr)
{
len--;
ptr++;
}
if (!len)
{
str[0] = '\0';
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
while (*str)
{
*str = MSVCRT__tolower_l((unsigned char)*str, locale);
str++;
}
return 0;
}
/******************************************************************
* _wcsupr_s_l (MSVCRT.@)
*/
int CDECL MSVCRT__wcsupr_s_l( MSVCRT_wchar_t* str, MSVCRT_size_t n,
MSVCRT__locale_t locale )
{
MSVCRT_wchar_t* ptr = str;
if (!str || !n)
{
if (str) *str = '\0';
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
while (n--)
{
if (!*ptr) return 0;
/* FIXME: add locale support */
*ptr = toupperW(*ptr);
ptr++;
}
/* MSDN claims that the function should return and set errno to
* ERANGE, which doesn't seem to be true based on the tests. */
*str = '\0';
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
/*********************************************************************
* memmove_s (MSVCRT.@)
*/
int CDECL memmove_s(void *dest, MSVCRT_size_t numberOfElements, const void *src, MSVCRT_size_t count)
{
TRACE("(%p %lu %p %lu)\n", dest, numberOfElements, src, count);
if(!count)
return 0;
if(!dest || !src) {
if(dest)
memset(dest, 0, numberOfElements);
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
if(count > numberOfElements) {
memset(dest, 0, numberOfElements);
*MSVCRT__errno() = MSVCRT_ERANGE;
return MSVCRT_ERANGE;
}
memmove(dest, src, count);
return 0;
}
/**********************************************************************
* __wcserror_s (MSVCRT.@)
*/
int CDECL MSVCRT___wcserror_s(MSVCRT_wchar_t* buffer, MSVCRT_size_t nc, const MSVCRT_wchar_t* str)
{
int err;
static const WCHAR colonW[] = {':', ' ', '\0'};
static const WCHAR nlW[] = {'\n', '\0'};
size_t len;
err = *MSVCRT__errno();
if (err < 0 || err > MSVCRT__sys_nerr) err = MSVCRT__sys_nerr;
len = MultiByteToWideChar(CP_ACP, 0, MSVCRT__sys_errlist[err], -1, NULL, 0) + 1 /* \n */;
if (str && *str) len += lstrlenW(str) + 2 /* ': ' */;
if (len > nc)
{
MSVCRT_INVALID_PMT("buffer[nc] is too small", MSVCRT_ERANGE);
return MSVCRT_ERANGE;
}
if (str && *str)
{
lstrcpyW(buffer, str);
lstrcatW(buffer, colonW);
}
else buffer[0] = '\0';
len = lstrlenW(buffer);
MultiByteToWideChar(CP_ACP, 0, MSVCRT__sys_errlist[err], -1, buffer + len, 256 - len);
lstrcatW(buffer, nlW);
return 0;
}
/*********************************************************************
* _cwait (MSVCRT.@)
*/
MSVCRT_intptr_t CDECL _cwait(int *status, MSVCRT_intptr_t pid, int action)
{
HANDLE hPid = (HANDLE)pid;
int doserrno;
action = action; /* Remove warning */
if (!WaitForSingleObject(hPid, INFINITE))
{
if (status)
{
DWORD stat;
GetExitCodeProcess(hPid, &stat);
*status = (int)stat;
}
return pid;
}
doserrno = GetLastError();
if (doserrno == ERROR_INVALID_HANDLE)
{
*MSVCRT__errno() = MSVCRT_ECHILD;
*MSVCRT___doserrno() = doserrno;
}
else
msvcrt_set_errno(doserrno);
return status ? *status = -1 : -1;
}
/*********************************************************************
* malloc (MSVCRT.@)
*/
void* CDECL MSVCRT_malloc(MSVCRT_size_t size)
{
void *ret = msvcrt_heap_alloc(0, size);
if (!ret)
*MSVCRT__errno() = MSVCRT_ENOMEM;
return ret;
}
/*********************************************************************
* malloc (MSVCRT.@)
*/
void* CDECL MSVCRT_malloc(MSVCRT_size_t size)
{
void *ret = HeapAlloc(GetProcessHeap(),0,size);
if (!ret)
*MSVCRT__errno() = MSVCRT_ENOMEM;
return ret;
}
/* INTERNAL: Set the crt and dos errno's from the OS error given. */
void msvcrt_set_errno(int err)
{
int *errno = MSVCRT__errno();
MSVCRT_ulong *doserrno = MSVCRT___doserrno();
*doserrno = err;
switch(err)
{
#define ERR_CASE(oserr) case oserr:
#define ERR_MAPS(oserr, crterr) case oserr: *errno = crterr; break
ERR_CASE(ERROR_ACCESS_DENIED)
ERR_CASE(ERROR_NETWORK_ACCESS_DENIED)
ERR_CASE(ERROR_CANNOT_MAKE)
ERR_CASE(ERROR_SEEK_ON_DEVICE)
ERR_CASE(ERROR_LOCK_FAILED)
ERR_CASE(ERROR_FAIL_I24)
ERR_CASE(ERROR_CURRENT_DIRECTORY)
ERR_CASE(ERROR_DRIVE_LOCKED)
ERR_CASE(ERROR_NOT_LOCKED)
ERR_CASE(ERROR_INVALID_ACCESS)
ERR_CASE(ERROR_SHARING_VIOLATION)
ERR_MAPS(ERROR_LOCK_VIOLATION, MSVCRT_EACCES);
ERR_CASE(ERROR_FILE_NOT_FOUND)
ERR_CASE(ERROR_NO_MORE_FILES)
ERR_CASE(ERROR_BAD_PATHNAME)
ERR_CASE(ERROR_BAD_NETPATH)
ERR_CASE(ERROR_INVALID_DRIVE)
ERR_CASE(ERROR_BAD_NET_NAME)
ERR_CASE(ERROR_FILENAME_EXCED_RANGE)
ERR_MAPS(ERROR_PATH_NOT_FOUND, MSVCRT_ENOENT);
ERR_MAPS(ERROR_IO_DEVICE, MSVCRT_EIO);
ERR_MAPS(ERROR_BAD_FORMAT, MSVCRT_ENOEXEC);
ERR_MAPS(ERROR_INVALID_HANDLE, MSVCRT_EBADF);
ERR_CASE(ERROR_OUTOFMEMORY)
ERR_CASE(ERROR_INVALID_BLOCK)
ERR_CASE(ERROR_NOT_ENOUGH_QUOTA);
ERR_MAPS(ERROR_ARENA_TRASHED, MSVCRT_ENOMEM);
ERR_MAPS(ERROR_BUSY, MSVCRT_EBUSY);
ERR_CASE(ERROR_ALREADY_EXISTS)
ERR_MAPS(ERROR_FILE_EXISTS, MSVCRT_EEXIST);
ERR_MAPS(ERROR_BAD_DEVICE, MSVCRT_ENODEV);
ERR_MAPS(ERROR_TOO_MANY_OPEN_FILES, MSVCRT_EMFILE);
ERR_MAPS(ERROR_DISK_FULL, MSVCRT_ENOSPC);
ERR_MAPS(ERROR_BROKEN_PIPE, MSVCRT_EPIPE);
ERR_MAPS(ERROR_POSSIBLE_DEADLOCK, MSVCRT_EDEADLK);
ERR_MAPS(ERROR_DIR_NOT_EMPTY, MSVCRT_ENOTEMPTY);
ERR_MAPS(ERROR_BAD_ENVIRONMENT, MSVCRT_E2BIG);
ERR_CASE(ERROR_WAIT_NO_CHILDREN)
ERR_MAPS(ERROR_CHILD_NOT_COMPLETE, MSVCRT_ECHILD);
ERR_CASE(ERROR_NO_PROC_SLOTS)
ERR_CASE(ERROR_MAX_THRDS_REACHED)
ERR_MAPS(ERROR_NESTING_NOT_ALLOWED, MSVCRT_EAGAIN);
default:
/* Remaining cases map to EINVAL */
/* FIXME: may be missing some errors above */
*errno = MSVCRT_EINVAL;
}
}
/*********************************************************************
* _get_errno (MSVCRT.@)
*/
int CDECL _get_errno(int *pValue)
{
if (!pValue)
return MSVCRT_EINVAL;
*pValue = *MSVCRT__errno();
return 0;
}
/*********************************************************************
* _wstrtime_s (MSVCRT.@)
*/
int CDECL _wstrtime_s(MSVCRT_wchar_t* time, MSVCRT_size_t size)
{
if(time && size)
time[0] = '\0';
if(!time) {
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
if(size < 9) {
*MSVCRT__errno() = MSVCRT_ERANGE;
return MSVCRT_ERANGE;
}
_wstrtime(time);
return 0;
}
/**********************************************************************
* _wstrdate_s (MSVCRT.@)
*/
int CDECL _wstrdate_s(MSVCRT_wchar_t* date, MSVCRT_size_t size)
{
if(date && size)
date[0] = '\0';
if(!date) {
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
if(size < 9) {
*MSVCRT__errno() = MSVCRT_ERANGE;
return MSVCRT_ERANGE;
}
_wstrdate(date);
return 0;
}
/*********************************************************************
* rand_s (MSVCRT.@)
*/
int CDECL MSVCRT_rand_s(unsigned int *pval)
{
if (!pval || !RtlGenRandom(pval, sizeof(*pval)))
{
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
return 0;
}
/*********************************************************************
* _ctime32_s (MSVCRT.@)
*/
int CDECL MSVCRT__ctime32_s(char *res, MSVCRT_size_t len, const MSVCRT___time32_t *time)
{
struct MSVCRT_tm *t;
if( !MSVCRT_CHECK_PMT( res != NULL ) || !MSVCRT_CHECK_PMT( len >= 26 ) )
{
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
res[0] = '\0';
if( !MSVCRT_CHECK_PMT( time != NULL ) || !MSVCRT_CHECK_PMT( *time > 0 ) )
{
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
t = MSVCRT__localtime32( time );
strcpy( res, MSVCRT_asctime( t ) );
return 0;
}
/*********************************************************************
* MSVCRT_wcsrtombs_s_l (INTERNAL)
*/
static int MSVCRT_wcsrtombs_s_l(MSVCRT_size_t *ret, char *mbstr,
MSVCRT_size_t size, const MSVCRT_wchar_t **wcstr,
MSVCRT_size_t count, MSVCRT__locale_t locale)
{
MSVCRT_size_t conv;
if(!mbstr && !size && wcstr) {
conv = MSVCRT_wcsrtombs_l(NULL, wcstr, 0, locale);
if(ret)
*ret = conv+1;
return 0;
}
if (!MSVCRT_CHECK_PMT(wcstr != NULL) || !MSVCRT_CHECK_PMT(*wcstr != NULL)
|| !MSVCRT_CHECK_PMT(mbstr != NULL)) {
if(mbstr && size)
mbstr[0] = '\0';
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
if(count==MSVCRT__TRUNCATE || size<count)
conv = size;
else
conv = count;
conv = MSVCRT_wcsrtombs_l(mbstr, wcstr, conv, locale);
if(conv<size)
mbstr[conv++] = '\0';
else if(conv==size && (count==MSVCRT__TRUNCATE || mbstr[conv-1]=='\0'))
mbstr[conv-1] = '\0';
else {
MSVCRT_INVALID_PMT("mbstr[size] is too small");
if(size)
mbstr[0] = '\0';
*MSVCRT__errno() = MSVCRT_ERANGE;
return MSVCRT_ERANGE;
}
if(ret)
*ret = conv;
return 0;
}
/*********************************************************************
* _ftime32_s (MSVCRT.@)
*/
int CDECL MSVCRT__ftime32_s(struct MSVCRT___timeb32 *buf)
{
if( !MSVCRT_CHECK_PMT( buf != NULL ) )
{
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
MSVCRT__ftime32(buf);
return 0;
}
/*********************************************************************
* calloc (MSVCRT.@)
*/
void* CDECL DECLSPEC_HOTPATCH MSVCRT_calloc(MSVCRT_size_t count, MSVCRT_size_t size)
{
MSVCRT_size_t bytes = count*size;
if (size && bytes / size != count)
{
*MSVCRT__errno() = MSVCRT_ENOMEM;
return NULL;
}
return msvcrt_heap_alloc(HEAP_ZERO_MEMORY, bytes);
}
/*********************************************************************
* perror (MSVCRT.@)
*/
void CDECL MSVCRT_perror(const char* str)
{
int err = *MSVCRT__errno();
if (err < 0 || err > MSVCRT__sys_nerr) err = MSVCRT__sys_nerr;
if (str && *str)
{
MSVCRT__write( 2, str, strlen(str) );
MSVCRT__write( 2, ": ", 2 );
}
MSVCRT__write( 2, MSVCRT__sys_errlist[err], strlen(MSVCRT__sys_errlist[err]) );
MSVCRT__write( 2, "\n", 1 );
}
/*********************************************************************
* _findnexti64 (MSVCRT.@)
*
* 64-bit version of _findnext.
*/
int CDECL MSVCRT__findnexti64(MSVCRT_intptr_t hand, struct MSVCRT__finddatai64_t * ft)
{
WIN32_FIND_DATAA find_data;
if (!FindNextFileA((HANDLE)hand, &find_data))
{
*MSVCRT__errno() = MSVCRT_ENOENT;
return -1;
}
msvcrt_fttofdi64(&find_data,ft);
return 0;
}
/*********************************************************************
* _wfindnexti64 (MSVCRT.@)
*
* Unicode version of _findnexti64.
*/
int CDECL MSVCRT__wfindnexti64(long hand, struct MSVCRT__wfinddatai64_t * ft)
{
WIN32_FIND_DATAW find_data;
if (!FindNextFileW((HANDLE)hand, &find_data))
{
*MSVCRT__errno() = MSVCRT_ENOENT;
return -1;
}
msvcrt_wfttofdi64(&find_data,ft);
return 0;
}
/*********************************************************************
* _aligned_offset_malloc (MSVCRT.@)
*/
void * CDECL _aligned_offset_malloc(MSVCRT_size_t size, MSVCRT_size_t alignment, MSVCRT_size_t offset)
{
void *memblock, *temp, **saved;
TRACE("(%lu, %lu, %lu)\n", size, alignment, offset);
/* alignment must be a power of 2 */
if ((alignment & (alignment - 1)) != 0)
{
*MSVCRT__errno() = MSVCRT_EINVAL;
return NULL;
}
/* offset must be less than size */
if (offset >= size)
{
*MSVCRT__errno() = MSVCRT_EINVAL;
return NULL;
}
/* don't align to less than void pointer size */
if (alignment < sizeof(void *))
alignment = sizeof(void *);
/* allocate enough space for void pointer and alignment */
temp = MSVCRT_malloc(size + alignment + sizeof(void *));
if (!temp)
return NULL;
/* adjust pointer for proper alignment and offset */
memblock = ALIGN_PTR(temp, alignment, offset);
/* Save the real allocation address below returned address */
/* so it can be found later to free. */
saved = SAVED_PTR(memblock);
*saved = temp;
return memblock;
}
/*********************************************************************
* _wfindnext64i32 (MSVCRT.@)
*
* Unicode version of _findnext64i32.
*/
int CDECL MSVCRT__wfindnext64i32(MSVCRT_intptr_t hand, struct MSVCRT__wfinddata64i32_t * ft)
{
WIN32_FIND_DATAW find_data;
if (!FindNextFileW((HANDLE)hand, &find_data))
{
*MSVCRT__errno() = MSVCRT_ENOENT;
return -1;
}
msvcrt_wfttofd64i32(&find_data,ft);
return 0;
}
static MSVCRT_intptr_t msvcrt_spawn(int flags, const MSVCRT_wchar_t* exe, MSVCRT_wchar_t* cmdline,
MSVCRT_wchar_t* env, int use_path)
{
STARTUPINFOW si;
PROCESS_INFORMATION pi;
MSVCRT_wchar_t fullname[MAX_PATH];
TRACE("%x %s %s %s %d\n", flags, debugstr_w(exe), debugstr_w(cmdline), debugstr_w(env), use_path);
if ((unsigned)flags > MSVCRT__P_DETACH)
{
*MSVCRT__errno() = MSVCRT_EINVAL;
return -1;
}
msvcrt_search_executable(exe, fullname, use_path);
memset(&si, 0, sizeof(si));
si.cb = sizeof(si);
msvcrt_create_io_inherit_block(&si.cbReserved2, &si.lpReserved2);
if (!CreateProcessW(fullname, cmdline, NULL, NULL, TRUE,
flags == MSVCRT__P_DETACH ? DETACHED_PROCESS : 0,
env, NULL, &si, &pi))
{
msvcrt_set_errno(GetLastError());
MSVCRT_free(si.lpReserved2);
return -1;
}
MSVCRT_free(si.lpReserved2);
switch(flags)
{
case MSVCRT__P_WAIT:
WaitForSingleObject(pi.hProcess, INFINITE);
GetExitCodeProcess(pi.hProcess,&pi.dwProcessId);
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
return pi.dwProcessId;
case MSVCRT__P_DETACH:
CloseHandle(pi.hProcess);
pi.hProcess = 0;
/* fall through */
case MSVCRT__P_NOWAIT:
case MSVCRT__P_NOWAITO:
CloseHandle(pi.hThread);
return (MSVCRT_intptr_t)pi.hProcess;
case MSVCRT__P_OVERLAY:
MSVCRT__exit(0);
}
return -1; /* can't reach here */
}
/*********************************************************************
* _chdrive (MSVCRT.@)
*
* Change the current drive.
*
* PARAMS
* newdrive [I] Drive number to change to (1 = 'A', 2 = 'B', ...)
*
* RETURNS
* Success: 0. The current drive is set to newdrive.
* Failure: -1. errno indicates the error.
*
* NOTES
* See SetCurrentDirectoryA.
*/
int CDECL MSVCRT__chdrive(int newdrive)
{
WCHAR buffer[] = {'A', ':', 0};
buffer[0] += newdrive - 1;
if (!SetCurrentDirectoryW( buffer ))
{
msvcrt_set_errno(GetLastError());
if (newdrive <= 0)
*MSVCRT__errno() = MSVCRT_EACCES;
return -1;
}
return 0;
}
/*********************************************************************
* _beginthread (MSVCRT.@)
*/
MSVCRT_uintptr_t CDECL _beginthread(
MSVCRT__beginthread_start_routine_t start_address, /* [in] Start address of routine that begins execution of new thread */
unsigned int stack_size, /* [in] Stack size for new thread or 0 */
void *arglist) /* [in] Argument list to be passed to new thread or NULL */
{
_beginthread_trampoline_t* trampoline;
HANDLE thread;
TRACE("(%p, %d, %p)\n", start_address, stack_size, arglist);
trampoline = MSVCRT_malloc(sizeof(*trampoline));
if(!trampoline) {
*MSVCRT__errno() = MSVCRT_EAGAIN;
return -1;
}
thread = CreateThread(NULL, stack_size, _beginthread_trampoline,
trampoline, CREATE_SUSPENDED, NULL);
if(!thread) {
MSVCRT_free(trampoline);
*MSVCRT__errno() = MSVCRT_EAGAIN;
return -1;
}
trampoline->thread = thread;
trampoline->start_address = start_address;
trampoline->arglist = arglist;
if(ResumeThread(thread) == -1) {
MSVCRT_free(trampoline);
*MSVCRT__errno() = MSVCRT_EAGAIN;
return -1;
}
return (MSVCRT_uintptr_t)thread;
}
/******************************************************************
* _wcslwr_s (MSVCRT.@)
*/
int CDECL MSVCRT__wcslwr_s( MSVCRT_wchar_t* str, MSVCRT_size_t n )
{
MSVCRT_wchar_t* ptr = str;
if (!str || !n)
{
if (str) *str = '\0';
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
while (n--)
{
if (!*ptr) return 0;
*ptr = tolowerW(*ptr);
ptr++;
}
/* MSDN claims that the function should return and set errno to
* ERANGE, which doesn't seem to be true based on the tests. */
*str = '\0';
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
/*********************************************************************
* _getdcwd (MSVCRT.@)
*
* Get the current working directory on a given disk.
*
* PARAMS
* drive [I] Drive letter to get the current working directory from.
* buf [O] Destination for the current working directory.
* size [I] Length of drive in characters.
*
* RETURNS
* Success: If drive is NULL, returns an allocated string containing the path.
* Otherwise populates drive with the path and returns it.
* Failure: NULL. errno indicates the error.
*/
char* CDECL MSVCRT__getdcwd(int drive, char * buf, int size)
{
static char* dummy;
TRACE(":drive %d(%c), size %d\n",drive, drive + 'A' - 1, size);
if (!drive || drive == MSVCRT__getdrive())
return MSVCRT__getcwd(buf,size); /* current */
else
{
char dir[MAX_PATH];
char drivespec[] = {'A', ':', 0};
int dir_len;
drivespec[0] += drive - 1;
if (GetDriveTypeA(drivespec) < DRIVE_REMOVABLE)
{
*MSVCRT__errno() = MSVCRT_EACCES;
return NULL;
}
dir_len = GetFullPathNameA(drivespec,MAX_PATH,dir,&dummy);
if (dir_len >= size || dir_len < 1)
{
*MSVCRT__errno() = MSVCRT_ERANGE;
return NULL; /* buf too small */
}
TRACE(":returning '%s'\n", dir);
if (!buf)
return MSVCRT__strdup(dir); /* allocate */
strcpy(buf,dir);
}
return buf;
}
