/*
* WResAddResource - Add the new entry to the directory. If type is NULL the
* default is used. If the entry is already in the
* directory don't add anything, set duplicate TRUE
* and return an error. Return is TRUE if any error has
* occured (including duplicate entry)
*/
int WResAddResource( const WResID *type, const WResID *name,
uint_16 memflags, off_t offset, uint_32 length,
WResDir currdir, WResLangType *lang, int *duplicate )
/************************************************************/
{
int rc;
WResDirWindow dup;
rc = WResAddResource2( type, name, memflags, offset, length, currdir,
lang, &dup, NULL );
if( duplicate != NULL ) {
*duplicate = !WResIsEmptyWindow( dup );
}
return( rc );
}
static int readMResDir( WResFileID handle, WResDir currdir, int *dup_discarded,
char iswin32, void *fileinfo )
/******************************************************************************/
{
MResResourceHeader *head = NULL;
M32ResResourceHeader *head32 = NULL;
WResDirWindow dup;
int error;
off_t seek_rc;
WResID *name;
WResID *type;
error = FALSE;
if( iswin32 ) {
/* Read NULL header */
head32 = M32ResReadResourceHeader( handle );
if( head32 != NULL ) {
MResFreeResourceHeader( head32->head16 );
WRESFREE( head32 );
} else {
error = TRUE;
}
if( !error ) {
head32 = M32ResReadResourceHeader( handle );
if( head32 != NULL ) {
head = head32->head16;
} else {
error = TRUE;
}
}
} else {
head = MResReadResourceHeader( handle );
if( head == NULL ) error = TRUE;
}
if( dup_discarded != NULL ) {
*dup_discarded = FALSE;
}
if( iswin32 ) {
currdir->TargetOS = WRES_OS_WIN32;
} else {
currdir->TargetOS = WRES_OS_WIN16;
}
/* assume that a NULL head is the EOF which is the only way of detecting */
/* the end of a MS .RES file */
while( head != NULL && !( iswin32 && head32 == NULL ) && !error ) {
name = WResIDFromNameOrOrd( head->Name );
type = WResIDFromNameOrOrd( head->Type );
error = (name == NULL || type == NULL);
/* MResReadResourceHeader leaves the file at the start of the resource*/
if( !error ) {
if( !type->IsName && type->ID.Num == RT_NAMETABLE ) {
error = FALSE;
} else {
error = WResAddResource2( type, name, head->MemoryFlags,
WRESTELL( handle ), head->Size, currdir, NULL,
&dup, fileinfo );
if( error && !WResIsEmptyWindow( dup ) ) {
error = FALSE;
if( dup_discarded != NULL ) {
*dup_discarded = TRUE;
}
}
}
}
if( !error ) {
seek_rc = WRESSEEK( handle, head->Size, SEEK_CUR );
if( seek_rc == -1L ) {
error = TRUE;
WRES_ERROR( WRS_SEEK_FAILED );
}
}
if( name != NULL ) {
WRESFREE( name );
name = NULL;
}
if( type != NULL ) {
WRESFREE( type );
type = NULL;
}
MResFreeResourceHeader( head );
if( iswin32 ) {
WRESFREE( head32 );
}
if( !error ) {
if( iswin32 ) {
head32 = M32ResReadResourceHeader( handle );
if( head32 != NULL ) {
head = head32->head16;
}
} else {
head = MResReadResourceHeader( handle );
}
}
}
return( error );
} /* readMResDir */
