Yucom/lsteamclient/unixlib.cpp

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#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "unix_private.h"
#include <winnls.h>
#include <pthread.h>
#include <stdlib.h>
#include <dlfcn.h>
#if 0
#pragma makedep unix
#endif
WINE_DEFAULT_DEBUG_CHANNEL(steamclient);
char *g_tmppath;
struct callback_entry
{
struct list entry;
struct callback callback;
};
static struct list callbacks = LIST_INIT( callbacks );
static pthread_mutex_t callbacks_lock = PTHREAD_MUTEX_INITIALIZER;
void queue_vtable_callback( struct w_steam_iface *w_iface, enum callback_type type, uint64_t arg0, uint64_t arg1, uint64_t arg2 )
{
struct callback_entry *entry;
uint32_t size = 0;
size += sizeof(struct callback_entry);
if (!(entry = (struct callback_entry *)malloc( size ))) return;
entry->callback.type = type;
size -= offsetof( struct callback_entry, callback );
entry->callback.size = size;
entry->callback.call_iface_vtable.iface = w_iface;
entry->callback.call_iface_vtable.arg0 = arg0;
entry->callback.call_iface_vtable.arg1 = arg1;
entry->callback.call_iface_vtable.arg2 = arg2;
pthread_mutex_lock( &callbacks_lock );
list_add_tail( &callbacks, &entry->entry );
pthread_mutex_unlock( &callbacks_lock );
}
void queue_vtable_callback_0_server_responded( struct w_steam_iface *w_iface, gameserveritem_t_105 *server )
{
uint32_t size = sizeof(*server);
struct callback_entry *entry;
size += sizeof(struct callback_entry);
if (!(entry = (struct callback_entry *)malloc( size ))) return;
entry->callback.type = CALL_IFACE_VTABLE_0_SERVER_RESPONDED;
size -= offsetof( struct callback_entry, callback );
entry->callback.size = size;
entry->callback.server_responded.iface = w_iface;
entry->callback.server_responded.server[0] = *server;
pthread_mutex_lock( &callbacks_lock );
list_add_tail( &callbacks, &entry->entry );
pthread_mutex_unlock( &callbacks_lock );
}
void queue_vtable_callback_0_add_player_to_list( struct w_steam_iface *w_iface, const char *pchName, int nScore, float flTimePlayed )
{
uint32_t name_size = strlen( pchName ) + 1, size = name_size;
struct callback_entry *entry;
size += sizeof(struct callback_entry);
if (!(entry = (struct callback_entry *)malloc( size ))) return;
entry->callback.type = CALL_IFACE_VTABLE_0_ADD_PLAYER_TO_LIST;
size -= offsetof( struct callback_entry, callback );
entry->callback.size = size;
entry->callback.add_player_to_list.iface = w_iface;
entry->callback.add_player_to_list.score = nScore;
entry->callback.add_player_to_list.time_played = flTimePlayed;
memcpy( (char *)entry->callback.add_player_to_list.name, pchName, name_size );
pthread_mutex_lock( &callbacks_lock );
list_add_tail( &callbacks, &entry->entry );
pthread_mutex_unlock( &callbacks_lock );
}
void queue_vtable_callback_0_rules_responded( struct w_steam_iface *w_iface, const char *pchRule, const char *pchValue )
{
uint32_t rule_size = strlen( pchRule ) + 1, value_size = strlen( pchValue ) + 1, size = rule_size + value_size;
struct callback_entry *entry;
size += sizeof(struct callback_entry);
if (!(entry = (struct callback_entry *)malloc( size ))) return;
entry->callback.type = CALL_IFACE_VTABLE_0_RULES_RESPONDED;
size -= offsetof( struct callback_entry, callback );
entry->callback.size = size;
entry->callback.rules_responded.iface = w_iface;
memcpy( (char *)entry->callback.rules_responded.rule_and_value, pchRule, rule_size );
memcpy( (char *)entry->callback.rules_responded.rule_and_value + rule_size, pchValue, value_size );
pthread_mutex_lock( &callbacks_lock );
list_add_tail( &callbacks, &entry->entry );
pthread_mutex_unlock( &callbacks_lock );
}
static w_FSteamNetworkingSocketsDebugOutput w_steam_networking_socket_debug_output;
static void u_steam_networking_socket_debug_output( uint32_t nType, const char *pszMsg )
{
uint32_t msg_size = strlen( pszMsg ) + 1, size = msg_size;
struct callback_entry *entry;
size += sizeof(struct callback_entry);
if (!(entry = (struct callback_entry *)malloc( size ))) return;
entry->callback.type = SOCKETS_DEBUG_OUTPUT;
size -= offsetof( struct callback_entry, callback );
entry->callback.size = size;
entry->callback.sockets_debug_output.pfnFunc = w_steam_networking_socket_debug_output;
entry->callback.sockets_debug_output.type = nType;
memcpy( (char *)entry->callback.sockets_debug_output.msg, pszMsg, msg_size );
pthread_mutex_lock( &callbacks_lock );
list_add_tail( &callbacks, &entry->entry );
pthread_mutex_unlock( &callbacks_lock );
}
void queue_cdecl_func_callback( w_cdecl_func func, void *data, uint32_t data_size )
{
uint32_t size = data_size;
struct callback_entry *entry;
size += sizeof(struct callback_entry);
if (!(entry = (struct callback_entry *)malloc( size ))) return;
entry->callback.type = CALL_CDECL_FUNC_DATA;
size -= offsetof( struct callback_entry, callback );
entry->callback.size = size;
entry->callback.call_cdecl_func_data.pFunc = func;
memcpy( (char *)entry->callback.call_cdecl_func_data.data, data, data_size );
pthread_mutex_lock( &callbacks_lock );
list_add_tail( &callbacks, &entry->entry );
pthread_mutex_unlock( &callbacks_lock );
}
u_FSteamNetworkingSocketsDebugOutput manual_convert_SetDebugOutputFunction_pfnFunc( w_FSteamNetworkingSocketsDebugOutput w_func )
{
w_steam_networking_socket_debug_output = w_func;
return &u_steam_networking_socket_debug_output;
}
static w_SteamAPIWarningMessageHook_t w_steam_api_warning_message_hook;
static void u_steam_api_warning_message_hook( int severity, const char *msg )
{
uint32_t msg_size = strlen( msg ) + 1, size = msg_size;
struct callback_entry *entry;
size += sizeof(struct callback_entry);
if (!(entry = (struct callback_entry *)malloc( size ))) return;
entry->callback.type = WARNING_MESSAGE_HOOK;
size -= offsetof( struct callback_entry, callback );
entry->callback.size = size;
entry->callback.warning_message_hook.pFunction = w_steam_api_warning_message_hook;
entry->callback.warning_message_hook.severity = severity;
memcpy( (char *)entry->callback.warning_message_hook.msg, msg, msg_size );
pthread_mutex_lock( &callbacks_lock );
list_add_tail( &callbacks, &entry->entry );
pthread_mutex_unlock( &callbacks_lock );
}
u_SteamAPIWarningMessageHook_t manual_convert_SetWarningMessageHook_pFunction( w_SteamAPIWarningMessageHook_t w_func )
{
w_steam_api_warning_message_hook = w_func;
return &u_steam_api_warning_message_hook;
}
static uint32_t U_CDECL u_steam_api_check_callback_registered( int32_t v )
{
return 1;
}
u_SteamAPI_CheckCallbackRegistered_t manual_convert_Set_SteamAPI_CCheckCallbackRegisteredInProcess_func( w_SteamAPI_CheckCallbackRegistered_t w_func )
{
FIXME("not implemented!\n");
return &u_steam_api_check_callback_registered;
}
static uint32_t U_CDECL u_steam_api_check_callback_registered_156( int32_t v )
{
return 1;
}
u_SteamAPI_CheckCallbackRegistered_t_156 manual_convert_Set_SteamAPI_CCheckCallbackRegisteredInProcess_func_156( w_SteamAPI_CheckCallbackRegistered_t_156 w_func )
{
FIXME("not implemented!\n");
return &u_steam_api_check_callback_registered_156;
}
static void U_CDECL u_steam_api_post_api_result_in_process( uint64_t a, void *b, uint32_t c, int d )
{
}
u_SteamAPI_PostAPIResultInProcess_t manual_convert_Set_SteamAPI_CPostAPIResultInProcess_func( w_SteamAPI_PostAPIResultInProcess_t w_func )
{
FIXME("not implemented!\n");
return &u_steam_api_post_api_result_in_process;
}
u_SteamAPI_PostAPIResultInProcess_t manual_convert_Remove_SteamAPI_CPostAPIResultInProcess_func( w_SteamAPI_PostAPIResultInProcess_t w_func )
{
FIXME("not implemented!\n");
return &u_steam_api_post_api_result_in_process;
}
static void U_CDECL u_void_steam_api_post_api_result_in_process(void)
{
}
u_void_SteamAPI_PostAPIResultInProcess_t manual_convert_DEPRECATED_Set_SteamAPI_CPostAPIResultInProcess__a( w_void_SteamAPI_PostAPIResultInProcess_t w_func )
{
FIXME("not implemented!\n");
return &u_void_steam_api_post_api_result_in_process;
}
u_void_SteamAPI_PostAPIResultInProcess_t manual_convert_DEPRECATED_Remove_SteamAPI_CPostAPIResultInProcess__a( w_void_SteamAPI_PostAPIResultInProcess_t w_func )
{
FIXME("not implemented!\n");
return &u_void_steam_api_post_api_result_in_process;
}
NTSTATUS ISteamClient_SteamClient020_Set_SteamAPI_CCheckCallbackRegisteredInProcess( void *args )
{
struct ISteamClient_SteamClient020_Set_SteamAPI_CCheckCallbackRegisteredInProcess_params *params = (struct ISteamClient_SteamClient020_Set_SteamAPI_CCheckCallbackRegisteredInProcess_params *)args;
struct u_ISteamClient_SteamClient020 *iface = (struct u_ISteamClient_SteamClient020 *)params->linux_side;
uint32_t (*U_CDECL lin_func)(int32_t) = manual_convert_Set_SteamAPI_CCheckCallbackRegisteredInProcess_func_156( params->func );
iface->Set_SteamAPI_CCheckCallbackRegisteredInProcess( lin_func );
return 0;
}
NTSTATUS ISteamClient_SteamClient021_Set_SteamAPI_CCheckCallbackRegisteredInProcess( void *args )
{
struct ISteamClient_SteamClient021_Set_SteamAPI_CCheckCallbackRegisteredInProcess_params *params = (struct ISteamClient_SteamClient021_Set_SteamAPI_CCheckCallbackRegisteredInProcess_params *)args;
struct u_ISteamClient_SteamClient021 *iface = (struct u_ISteamClient_SteamClient021 *)params->linux_side;
uint32_t (*U_CDECL lin_func)(int32_t) = manual_convert_Set_SteamAPI_CCheckCallbackRegisteredInProcess_func_156( params->func );
iface->Set_SteamAPI_CCheckCallbackRegisteredInProcess( lin_func );
return 0;
}
NTSTATUS steamclient_next_callback( void *args )
{
struct steamclient_next_callback_params *params = (struct steamclient_next_callback_params *)args;
uint32_t capacity = params->size;
struct list *ptr;
pthread_mutex_lock( &callbacks_lock );
if ((ptr = list_head( &callbacks )))
{
struct callback_entry *entry = LIST_ENTRY( ptr, struct callback_entry, entry );
params->size = entry->callback.size;
if (params->size <= capacity)
{
memcpy( params->callback, &entry->callback, params->size );
list_remove( &entry->entry );
free( entry );
}
}
pthread_mutex_unlock( &callbacks_lock );
params->_ret = !!ptr;
return 0;
}
static void *(*p_CreateInterface)( const char *name, int *return_code );
static int8_t (*p_Steam_BGetCallback)( int32_t a, u_CallbackMsg_t *b, int32_t *c );
static int8_t (*p_Steam_GetAPICallResult)( int32_t, uint64_t, void *, int, int, int8_t * );
static int8_t (*p_Steam_FreeLastCallback)( int32_t );
static void (*p_Steam_ReleaseThreadLocalMemory)( int );
static bool (*p_Steam_IsKnownInterface)( const char * );
static void (*p_Steam_NotifyMissingInterface)( int32_t, const char * );
NTSTATUS steamclient_Steam_BGetCallback( void *args )
{
struct steamclient_Steam_BGetCallback_params *params = (struct steamclient_Steam_BGetCallback_params *)args;
if (!p_Steam_BGetCallback( params->pipe, params->u_msg, params->ignored ))
params->_ret = false;
else
{
callback_message_utow( params->u_msg, params->w_msg );
params->_ret = true;
}
return 0;
}
NTSTATUS steamclient_callback_message_receive( void *args )
{
struct steamclient_callback_message_receive_params *params = (struct steamclient_callback_message_receive_params *)args;
convert_callback_utow( params->u_msg->m_iCallback, (void *)params->u_msg->m_pubParam,
params->u_msg->m_cubParam, (void *)params->w_msg->m_pubParam,
params->w_msg->m_cubParam );
return 0;
}
NTSTATUS steamclient_Steam_FreeLastCallback( void *args )
{
struct steamclient_Steam_FreeLastCallback_params *params = (struct steamclient_Steam_FreeLastCallback_params *)args;
params->_ret = p_Steam_FreeLastCallback( params->pipe );
return 0;
}
NTSTATUS steamclient_Steam_GetAPICallResult( void *args )
{
struct steamclient_Steam_GetAPICallResult_params *params = (struct steamclient_Steam_GetAPICallResult_params *)args;
int u_callback_len = params->w_callback_len;
void *u_callback;
if (!(u_callback = alloc_callback_wtou( params->id, params->w_callback, &u_callback_len ))) return false;
params->_ret = p_Steam_GetAPICallResult( params->pipe, params->call, u_callback, u_callback_len,
params->id, params->failed );
if (params->_ret && u_callback != params->w_callback)
{
convert_callback_utow( params->id, u_callback, u_callback_len, params->w_callback, params->w_callback_len );
free( u_callback );
}
return 0;
}
NTSTATUS steamclient_init( void *args )
{
struct steamclient_init_params *params = (struct steamclient_init_params *)args;
char path[PATH_MAX], resolved_path[PATH_MAX];
static void *steamclient;
g_tmppath = params->g_tmppath;
if (params->steam_app_id_unset) unsetenv( "SteamAppId" );
else if (params->steam_app_id) setenv( "SteamAppId", params->steam_app_id, TRUE );
if (params->ignore_child_processes_unset) unsetenv( "IgnoreChildProcesses" );
else if (params->ignore_child_processes) setenv( "IgnoreChildProcesses", params->ignore_child_processes, TRUE );
if (steamclient) return 0;
#ifdef __APPLE__
if (getenv( "STEAM_COMPAT_CLIENT_INSTALL_PATH" ))
snprintf( path, PATH_MAX, "%s/steamclient.dylib", getenv( "STEAM_COMPAT_CLIENT_INSTALL_PATH" ) );
else
{
WARN( "Old Steam client, falling back to DYLD environment to locate native steamclient "
"library\n" );
strcpy( path, "steamclient.dylib" );
}
#else /* __APPLE__ */
#ifdef __x86_64__
snprintf( path, PATH_MAX, "%s/.steam/sdk64/steamclient.so", getenv( "HOME" ) );
#else
snprintf( path, PATH_MAX, "%s/.steam/sdk32/steamclient.so", getenv( "HOME" ) );
#endif
if (realpath( path, resolved_path ))
{
strcpy( path, resolved_path );
path[PATH_MAX - 1] = 0;
}
#endif /* __APPLE__ */
if (!(steamclient = dlopen( path, RTLD_NOW )))
{
ERR( "unable to load native steamclient library\n" );
return -1;
}
#define LOAD_FUNC( x ) \
if (!(p_##x = (decltype(p_##x))dlsym( steamclient, #x ))) \
{ \
ERR( "unable to load " #x "\n" ); \
return -1; \
}
LOAD_FUNC( CreateInterface );
LOAD_FUNC( Steam_BGetCallback );
LOAD_FUNC( Steam_GetAPICallResult );
LOAD_FUNC( Steam_FreeLastCallback );
LOAD_FUNC( Steam_ReleaseThreadLocalMemory );
LOAD_FUNC( Steam_IsKnownInterface );
LOAD_FUNC( Steam_NotifyMissingInterface );
TRACE( "Loaded host steamclient from %s\n", debugstr_a(path) );
return 0;
}
NTSTATUS steamclient_CreateInterface( void *args )
{
struct steamclient_CreateInterface_params *params = (struct steamclient_CreateInterface_params *)args;
params->_ret = p_CreateInterface( params->name, params->return_code );
return 0;
}
NTSTATUS steamclient_Steam_ReleaseThreadLocalMemory( void *args )
{
struct steamclient_Steam_ReleaseThreadLocalMemory_params *params = (struct steamclient_Steam_ReleaseThreadLocalMemory_params *)args;
p_Steam_ReleaseThreadLocalMemory( params->thread_exit );
return 0;
}
NTSTATUS steamclient_Steam_IsKnownInterface( void *args )
{
struct steamclient_Steam_IsKnownInterface_params *params = (struct steamclient_Steam_IsKnownInterface_params *)args;
params->_ret = p_Steam_IsKnownInterface( params->version );
return 0;
}
NTSTATUS steamclient_Steam_NotifyMissingInterface( void *args )
{
struct steamclient_Steam_NotifyMissingInterface_params *params = (struct steamclient_Steam_NotifyMissingInterface_params *)args;
p_Steam_NotifyMissingInterface( params->pipe, params->version );
return 0;
}
#define IS_ABSOLUTE( x ) (*x == '/' || *x == '\\' || (*x && *(x + 1) == ':'))
static void collapse_path( WCHAR *path, UINT mark )
{
WCHAR *p, *next;
/* convert every / into a \ */
for (p = path; *p; p++) if (*p == '/') *p = '\\';
/* collapse duplicate backslashes */
next = path + std::max( 1u, mark );
for (p = next; *p; p++) if (*p != '\\' || next[-1] != '\\') *next++ = *p;
*next = 0;
p = path + mark;
while (*p)
{
if (*p == '.')
{
switch(p[1])
{
case '\\': /* .\ component */
next = p + 2;
memmove( p, next, (wcslen(next) + 1) * sizeof(WCHAR) );
continue;
case 0: /* final . */
if (p > path + mark) p--;
*p = 0;
continue;
case '.':
if (p[2] == '\\') /* ..\ component */
{
next = p + 3;
if (p > path + mark)
{
p--;
while (p > path + mark && p[-1] != '\\') p--;
}
memmove( p, next, (wcslen(next) + 1) * sizeof(WCHAR) );
continue;
}
else if (!p[2]) /* final .. */
{
if (p > path + mark)
{
p--;
while (p > path + mark && p[-1] != '\\') p--;
if (p > path + mark) p--;
}
*p = 0;
continue;
}
break;
}
}
/* skip to the next component */
while (*p && *p != '\\') p++;
if (*p == '\\')
{
/* remove last dot in previous dir name */
if (p > path + mark && p[-1] == '.') memmove( p-1, p, (wcslen(p) + 1) * sizeof(WCHAR) );
else p++;
}
}
/* remove trailing spaces and dots (yes, Windows really does that, don't ask) */
while (p > path + mark && (p[-1] == ' ' || p[-1] == '.')) p--;
*p = 0;
}
static char *get_unix_file_name( const WCHAR *path )
{
UNICODE_STRING nt_name;
OBJECT_ATTRIBUTES attr;
NTSTATUS status;
ULONG size = 256;
char *buffer;
nt_name.Buffer = (WCHAR *)path;
nt_name.MaximumLength = nt_name.Length = lstrlenW( path ) * sizeof(WCHAR);
InitializeObjectAttributes( &attr, &nt_name, 0, 0, NULL );
for (;;)
{
if (!(buffer = (char *)malloc( size ))) return NULL;
status = wine_nt_to_unix_file_name( &attr, buffer, &size, FILE_OPEN_IF );
if (status != STATUS_BUFFER_TOO_SMALL) break;
free( buffer );
}
if (status && status != STATUS_NO_SUCH_FILE)
{
free( buffer );
return NULL;
}
return buffer;
}
char *steamclient_dos_to_unix_path( const char *src, int is_url )
{
static const char file_prot[] = "file://";
char buffer[4096], *dst = buffer;
uint32_t len;
TRACE( "src %s, is_url %u\n", debugstr_a(src), is_url );
if (!src) return NULL;
*dst = 0;
if (!*src) goto done;
if (is_url)
{
if (strncmp( src, file_prot, 7 ) != 0)
{
strcpy( dst, src );
goto done;
}
src += 7;
memcpy( dst, file_prot, sizeof(file_prot) );
dst += 7;
}
if (IS_ABSOLUTE( src ))
{
/* absolute path, use wine conversion */
WCHAR srcW[PATH_MAX] = {'\\', '?', '?', '\\', 0};
char *unix_path;
uint32_t r;
if (is_url) while (*src == '/') ++src;
r = ntdll_umbstowcs( src, strlen( src ) + 1, srcW + 4, PATH_MAX - 4 );
if (r == 0) unix_path = NULL;
else
{
collapse_path( srcW, 4 );
unix_path = get_unix_file_name( srcW );
}
if (!unix_path)
{
WARN( "Unable to convert DOS filename to unix: %s\n", src );
goto done;
}
lstrcpynA( dst, unix_path, PATH_MAX );
free( unix_path );
}
else
{
/* relative path, just fix up backslashes */
const char *s;
char *d;
for (s = src, d = dst; *s; ++s, ++d)
{
if (*s == '\\') *d = '/';
else *d = *s;
}
*d = 0;
}
done:
len = strlen( buffer ) + 1;
if (!(dst = (char *)malloc( len ))) return NULL;
memcpy( dst, buffer, len );
TRACE( "-> %s\n", debugstr_a(dst) );
return dst;
}
void steamclient_free_path( char *path )
{
free( path );
}
const char **steamclient_dos_to_unix_path_array( const char **src )
{
size_t len;
const char **s;
char **out, **o;
WCHAR scratch[PATH_MAX] = {'\\', '?', '?', '\\', 0};
TRACE( "src %p\n", src );
if (!src) return NULL;
len = sizeof(char *); /* NUL */
for (s = src; *s; ++s) len += sizeof(char *);
out = (char **)malloc( len );
for (s = src, o = out; *s; ++s, ++o)
{
TRACE( " src[%zu] %s\n", s - src, debugstr_a(*s) );
if (IS_ABSOLUTE( *s ))
{
ntdll_umbstowcs( *s, strlen( *s ) + 1, scratch + 4, PATH_MAX - 4 );
collapse_path( scratch, 4 );
*o = get_unix_file_name( scratch );
}
else
{
const char *r;
char *l;
*o = (char *)malloc( strlen( *s ) + 1 );
for (r = *s, l = *o; *r; ++l, ++r)
{
if (*r == '\\') *l = '/';
else *l = *r;
}
*l = 0;
}
TRACE( " -> %s\n", debugstr_a(*o) );
}
*o = NULL;
TRACE( " -> %p\n", out );
return (const char **)out;
}
void steamclient_free_path_array( const char **path_array )
{
const char **path;
if (!path_array) return;
for (path = path_array; *path; path++) free( *(char **)path );
free( path_array );
}
/* Returns:
* - if successful, the number of bytes written to dst, including the NULL terminator;
* - 0 if failed;
* - PATH_MAX if insufficient output buffer (TODO: should be actual required length including NULL terminator). */
unsigned int steamclient_unix_path_to_dos_path( bool api_result, const char *src, char *dst, uint32_t dst_bytes, int is_url )
{
static const char file_prot[] = "file://";
NTSTATUS status;
ULONG size = 0;
uint32_t r = 0;
WCHAR *dosW;
TRACE( "api_result %u, src %s, dst %p, dst_bytes %u is_url %u\n", api_result, debugstr_a(src), dst, dst_bytes, is_url );
if (!src || !*src || !api_result || !dst || !dst_bytes)
{
if (dst && dst_bytes) *dst = 0;
return api_result ? PATH_MAX : 0;
}
if (is_url)
{
/* convert only file: URLs */
if (strncmp( src, file_prot, 7 ))
{
r = strlen( src ) + 1;
if (r > dst_bytes) *dst = 0;
else memmove( dst, src, r );
return r;
}
if (dst_bytes < sizeof(file_prot))
{
*dst = 0;
return PATH_MAX;
}
memmove( dst, src, 7 );
src += 7;
dst += 7;
dst_bytes -= 7;
}
status = wine_unix_to_nt_file_name( src, NULL, &size );
if (status != STATUS_BUFFER_TOO_SMALL)
{
WARN( "Unable to convert unix filename to DOS: %s.\n", debugstr_a(src) );
*dst = 0;
return 0;
}
dosW = (WCHAR *)malloc( size * sizeof(WCHAR) );
status = wine_unix_to_nt_file_name( src, dosW, &size );
if (!status) r = ntdll_wcstoumbs( dosW, size, dst, dst_bytes, FALSE );
else *dst = 0;
free( dosW );
if (!strncmp( dst, "\\??\\", 4 ))
{
memmove( dst, dst + 4, r - 4 );
r -= 4;
}
TRACE( "-> dst %s, r %u\n", debugstr_a(dst), r );
return r;
}
static const struct callback_def *find_first_callback_def_by_id( int id )
{
unsigned int l, r, m;
l = 0;
r = callback_data_size;
while (l < r)
{
m = (l + r) /2;
if (callback_data[m].id == id)
{
while (m && callback_data[m - 1].id == id) --m;
return &callback_data[m];
}
if (id < callback_data[m].id) r = m;
else l = m + 1;
}
return NULL;
}
void *alloc_callback_wtou( int id, void *callback, int *callback_len )
{
const struct callback_def *c, *end, *best;
if (!(c = find_first_callback_def_by_id( id ))) return callback;
end = callback_data + callback_data_size;
best = NULL;
while (c != end && c->id == id)
{
if (c->w_callback_len == *callback_len)
{
best = c;
break;
}
if (!best && *callback_len >= c->w_callback_len) best = c;
++c;
}
if (!best)
{
ERR( "len %d is too small for callback %d, using default.\n", *callback_len, id );
best = find_first_callback_def_by_id( id );
}
if (best->w_callback_len != *callback_len)
WARN( "Found len %d for id %d, len %d.\n", best->w_callback_len, id, *callback_len );
*callback_len = best->u_callback_len;
return malloc( *callback_len );
}
void convert_callback_utow(int id, void *u_callback, int u_callback_len, void *w_callback, int w_callback_len)
{
const struct callback_def *c, *end, *best;
if (!(c = find_first_callback_def_by_id( id )))
{
memcpy( w_callback, u_callback, u_callback_len );
return;
}
end = callback_data + callback_data_size;
best = NULL;
while (c != end && c->id == id)
{
if (c->w_callback_len == w_callback_len && c->u_callback_len == u_callback_len)
{
best = c;
break;
}
if ((!best || best->w_callback_len > w_callback_len)
&& c->u_callback_len == u_callback_len && c->w_callback_len <= w_callback_len)
best = c;
if (!best && c->u_callback_len == u_callback_len)
best = c;
++c;
}
if (!best)
{
ERR( "Could not find id %d, u_callback_len %d, w_callback_len %d.\n", id, u_callback_len, w_callback_len );
best = find_first_callback_def_by_id( id );
}
if (best->w_callback_len != w_callback_len || best->u_callback_len != u_callback_len)
WARN( "Found len %d, %d for id %d, len %d, %d.\n", best->w_callback_len, best->u_callback_len,
id, w_callback_len, u_callback_len );
if (best->conv_w_from_u) best->conv_w_from_u( w_callback, u_callback );
else memcpy( w_callback, u_callback, u_callback_len );
}
void callback_message_utow( const u_CallbackMsg_t *u_msg, w_CallbackMsg_t *w_msg )
{
const struct callback_def *c, *end;
int len = u_msg->m_cubParam;
if ((c = find_first_callback_def_by_id( u_msg->m_iCallback )))
{
end = callback_data + callback_data_size;
while (c != end && c->id == u_msg->m_iCallback)
{
if (c->u_callback_len == u_msg->m_cubParam)
{
len = c->w_callback_len;
break;
}
++c;
}
if (c == end || c->id != u_msg->m_iCallback)
{
ERR( "Unix len %d not found for callback %d.\n", u_msg->m_cubParam, u_msg->m_iCallback );
len = find_first_callback_def_by_id( u_msg->m_iCallback )->w_callback_len;
}
}
w_msg->m_hSteamUser = u_msg->m_hSteamUser;
w_msg->m_iCallback = u_msg->m_iCallback;
w_msg->m_cubParam = len;
}