From a38fc482eeeb2c1929803c233835369dcf1b8781 Mon Sep 17 00:00:00 2001 From: The Android Open Source Project Date: Tue, 21 Oct 2008 07:00:00 -0700 Subject: Initial Contribution --- src/base/ftrfork.c | 167 +++++++++++++++++++++++++++++++++++++++-------------- 1 file changed, 125 insertions(+), 42 deletions(-) (limited to 'src/base/ftrfork.c') diff --git a/src/base/ftrfork.c b/src/base/ftrfork.c index a4f726d..5a835ee 100644 --- a/src/base/ftrfork.c +++ b/src/base/ftrfork.c @@ -4,7 +4,7 @@ /* */ /* Embedded resource forks accessor (body). */ /* */ -/* Copyright 2004, 2005, 2006 by */ +/* Copyright 2004, 2005, 2006, 2007 by */ /* Masatake YAMATO and Redhat K.K. */ /* */ /* FT_Raccess_Get_HeaderInfo() and raccess_guess_darwin_hfsplus() are */ @@ -132,6 +132,19 @@ } + static int + ft_raccess_sort_ref_by_id( FT_RFork_Ref* a, + FT_RFork_Ref* b ) + { + if ( a->res_id < b->res_id ) + return -1; + else if ( a->res_id > b->res_id ) + return 1; + else + return 0; + } + + FT_BASE_DEF( FT_Error ) FT_Raccess_Get_DataOffsets( FT_Library library, FT_Stream stream, @@ -141,12 +154,13 @@ FT_Long **offsets, FT_Long *count ) { - FT_Error error; - int i, j, cnt, subcnt; - FT_Long tag_internal, rpos; - FT_Memory memory = library->memory; - FT_Long temp; - FT_Long *offsets_internal; + FT_Error error; + int i, j, cnt, subcnt; + FT_Long tag_internal, rpos; + FT_Memory memory = library->memory; + FT_Long temp; + FT_Long *offsets_internal; + FT_RFork_Ref *ref; error = FT_Stream_Seek( stream, map_offset ); @@ -179,28 +193,43 @@ if ( error ) return error; - if ( FT_NEW_ARRAY( offsets_internal, *count ) ) + if ( FT_NEW_ARRAY( ref, *count ) ) return error; for ( j = 0; j < *count; ++j ) { - (void)FT_STREAM_SKIP( 2 ); /* resource id */ - (void)FT_STREAM_SKIP( 2 ); /* rsource name */ - + if ( FT_READ_USHORT( ref[j].res_id ) ) + goto Exit; + if ( FT_STREAM_SKIP( 2 ) ) /* resource name */ + goto Exit; if ( FT_READ_LONG( temp ) ) - { - FT_FREE( offsets_internal ); - return error; - } + goto Exit; + if ( FT_STREAM_SKIP( 4 ) ) /* mbz */ + goto Exit; - offsets_internal[j] = rdata_pos + ( temp & 0xFFFFFFL ); - - (void)FT_STREAM_SKIP( 4 ); /* mbz */ + ref[j].offset = temp & 0xFFFFFFL; } + ft_qsort( ref, *count, sizeof ( FT_RFork_Ref ), + ( int(*)(const void*, const void*) ) + ft_raccess_sort_ref_by_id ); + + if ( FT_NEW_ARRAY( offsets_internal, *count ) ) + goto Exit; + + /* XXX: duplicated reference ID, + * gap between reference IDs are acceptable? + * further investigation on Apple implementation is needed. + */ + for ( j = 0; j < *count; ++j ) + offsets_internal[j] = rdata_pos + ref[j].offset; + *offsets = offsets_internal; + error = FT_Err_Ok; - return FT_Err_Ok; + Exit: + FT_FREE( ref ); + return error; } } @@ -227,7 +256,7 @@ typedef FT_Error (*raccess_guess_func)( FT_Library library, FT_Stream stream, - char * base_file_name, + char *base_file_name, char **result_file_name, FT_Long *result_offset ); @@ -235,56 +264,63 @@ static FT_Error raccess_guess_apple_double( FT_Library library, FT_Stream stream, - char * base_file_name, + char *base_file_name, char **result_file_name, FT_Long *result_offset ); static FT_Error raccess_guess_apple_single( FT_Library library, FT_Stream stream, - char * base_file_name, + char *base_file_name, char **result_file_name, FT_Long *result_offset ); static FT_Error raccess_guess_darwin_ufs_export( FT_Library library, FT_Stream stream, - char * base_file_name, + char *base_file_name, char **result_file_name, FT_Long *result_offset ); + static FT_Error + raccess_guess_darwin_newvfs( FT_Library library, + FT_Stream stream, + char *base_file_name, + char **result_file_name, + FT_Long *result_offset ); + static FT_Error raccess_guess_darwin_hfsplus( FT_Library library, FT_Stream stream, - char * base_file_name, + char *base_file_name, char **result_file_name, FT_Long *result_offset ); static FT_Error raccess_guess_vfat( FT_Library library, FT_Stream stream, - char * base_file_name, + char *base_file_name, char **result_file_name, FT_Long *result_offset ); static FT_Error raccess_guess_linux_cap( FT_Library library, FT_Stream stream, - char * base_file_name, + char *base_file_name, char **result_file_name, FT_Long *result_offset ); static FT_Error raccess_guess_linux_double( FT_Library library, FT_Stream stream, - char * base_file_name, + char *base_file_name, char **result_file_name, FT_Long *result_offset ); static FT_Error raccess_guess_linux_netatalk( FT_Library library, FT_Stream stream, - char * base_file_name, + char *base_file_name, char **result_file_name, FT_Long *result_offset ); @@ -298,7 +334,7 @@ static FT_Error raccess_guess_apple_generic( FT_Library library, FT_Stream stream, - char * base_file_name, + char *base_file_name, FT_Int32 magic, FT_Long *result_offset ); @@ -329,6 +365,7 @@ raccess_guess_apple_double, raccess_guess_apple_single, raccess_guess_darwin_ufs_export, + raccess_guess_darwin_newvfs, raccess_guess_darwin_hfsplus, raccess_guess_vfat, raccess_guess_linux_cap, @@ -339,7 +376,11 @@ for ( i = 0; i < FT_RACCESS_N_RULES; i++ ) { new_names[i] = NULL; - errors[i] = FT_Stream_Seek( stream, 0 ); + if ( NULL != stream ) + errors[i] = FT_Stream_Seek( stream, 0 ); + else + errors[i] = FT_Err_Ok; + if ( errors[i] ) continue ; @@ -354,7 +395,7 @@ static FT_Error raccess_guess_apple_double( FT_Library library, FT_Stream stream, - char * base_file_name, + char *base_file_name, char **result_file_name, FT_Long *result_offset ) { @@ -362,6 +403,9 @@ *result_file_name = NULL; + if ( NULL == stream ) + return FT_Err_Cannot_Open_Stream; + return raccess_guess_apple_generic( library, stream, base_file_name, magic, result_offset ); } @@ -370,7 +414,7 @@ static FT_Error raccess_guess_apple_single( FT_Library library, FT_Stream stream, - char * base_file_name, + char *base_file_name, char **result_file_name, FT_Long *result_offset ) { @@ -378,6 +422,9 @@ *result_file_name = NULL; + if ( NULL == stream ) + return FT_Err_Cannot_Open_Stream; + return raccess_guess_apple_generic( library, stream, base_file_name, magic, result_offset ); } @@ -386,7 +433,7 @@ static FT_Error raccess_guess_darwin_ufs_export( FT_Library library, FT_Stream stream, - char * base_file_name, + char *base_file_name, char **result_file_name, FT_Long *result_offset ) { @@ -416,7 +463,7 @@ static FT_Error raccess_guess_darwin_hfsplus( FT_Library library, FT_Stream stream, - char * base_file_name, + char *base_file_name, char **result_file_name, FT_Long *result_offset ) { @@ -433,7 +480,7 @@ memory = library->memory; - if ( base_file_len > FT_INT_MAX ) + if ( base_file_len + 6 > FT_INT_MAX ) return FT_Err_Array_Too_Large; if ( FT_ALLOC( newpath, base_file_len + 6 ) ) @@ -449,10 +496,46 @@ } + static FT_Error + raccess_guess_darwin_newvfs( FT_Library library, + FT_Stream stream, + char *base_file_name, + char **result_file_name, + FT_Long *result_offset ) + { + /* + Only meaningful on systems with Mac OS X (> 10.1). + */ + FT_Error error; + char* newpath; + FT_Memory memory; + FT_Long base_file_len = ft_strlen( base_file_name ); + + FT_UNUSED( stream ); + + + memory = library->memory; + + if ( base_file_len + 18 > FT_INT_MAX ) + return FT_Err_Array_Too_Large; + + if ( FT_ALLOC( newpath, base_file_len + 18 ) ) + return error; + + FT_MEM_COPY( newpath, base_file_name, base_file_len ); + FT_MEM_COPY( newpath + base_file_len, "/..namedfork/rsrc", 18 ); + + *result_file_name = newpath; + *result_offset = 0; + + return FT_Err_Ok; + } + + static FT_Error raccess_guess_vfat( FT_Library library, FT_Stream stream, - char * base_file_name, + char *base_file_name, char **result_file_name, FT_Long *result_offset ) { @@ -479,7 +562,7 @@ static FT_Error raccess_guess_linux_cap( FT_Library library, FT_Stream stream, - char * base_file_name, + char *base_file_name, char **result_file_name, FT_Long *result_offset ) { @@ -505,7 +588,7 @@ static FT_Error raccess_guess_linux_double( FT_Library library, FT_Stream stream, - char * base_file_name, + char *base_file_name, char **result_file_name, FT_Long *result_offset ) { @@ -536,7 +619,7 @@ static FT_Error raccess_guess_linux_netatalk( FT_Library library, FT_Stream stream, - char * base_file_name, + char *base_file_name, char **result_file_name, FT_Long *result_offset ) { @@ -568,7 +651,7 @@ static FT_Error raccess_guess_apple_generic( FT_Library library, FT_Stream stream, - char * base_file_name, + char *base_file_name, FT_Int32 magic, FT_Long *result_offset ) { @@ -629,7 +712,7 @@ static FT_Error raccess_guess_linux_double_from_file_name( FT_Library library, - char * file_name, + char *file_name, FT_Long *result_offset ) { FT_Open_Args args2; @@ -701,7 +784,7 @@ FT_BASE_DEF( void ) FT_Raccess_Guess( FT_Library library, FT_Stream stream, - char* base_name, + char *base_name, char **new_names, FT_Long *offsets, FT_Error *errors ) -- cgit v1.2.3