diff options
Diffstat (limited to 'src/3rdparty/freetype/src/gzip')
-rw-r--r-- | src/3rdparty/freetype/src/gzip/Jamfile | 2 | ||||
-rw-r--r-- | src/3rdparty/freetype/src/gzip/ftgzip.c | 64 | ||||
-rw-r--r-- | src/3rdparty/freetype/src/gzip/infblock.c | 5 | ||||
-rw-r--r-- | src/3rdparty/freetype/src/gzip/infcodes.c | 4 | ||||
-rw-r--r-- | src/3rdparty/freetype/src/gzip/inflate.c | 10 | ||||
-rw-r--r-- | src/3rdparty/freetype/src/gzip/rules.mk | 2 |
6 files changed, 51 insertions, 36 deletions
diff --git a/src/3rdparty/freetype/src/gzip/Jamfile b/src/3rdparty/freetype/src/gzip/Jamfile index a7b4c8c950..2c808b74a5 100644 --- a/src/3rdparty/freetype/src/gzip/Jamfile +++ b/src/3rdparty/freetype/src/gzip/Jamfile @@ -1,6 +1,6 @@ # FreeType 2 src/gzip Jamfile # -# Copyright 2001-2018 by +# Copyright (C) 2001-2019 by # David Turner, Robert Wilhelm, and Werner Lemberg. # # This file is part of the FreeType project, and may only be used, modified, diff --git a/src/3rdparty/freetype/src/gzip/ftgzip.c b/src/3rdparty/freetype/src/gzip/ftgzip.c index f8011c2dd8..5e78bc6f8d 100644 --- a/src/3rdparty/freetype/src/gzip/ftgzip.c +++ b/src/3rdparty/freetype/src/gzip/ftgzip.c @@ -1,23 +1,23 @@ -/***************************************************************************/ -/* */ -/* ftgzip.c */ -/* */ -/* FreeType support for .gz compressed files. */ -/* */ -/* This optional component relies on zlib. It should mainly be used to */ -/* parse compressed PCF fonts, as found with many X11 server */ -/* distributions. */ -/* */ -/* Copyright 2002-2018 by */ -/* David Turner, Robert Wilhelm, and Werner Lemberg. */ -/* */ -/* This file is part of the FreeType project, and may only be used, */ -/* modified, and distributed under the terms of the FreeType project */ -/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ -/* this file you indicate that you have read the license and */ -/* understand and accept it fully. */ -/* */ -/***************************************************************************/ +/**************************************************************************** + * + * ftgzip.c + * + * FreeType support for .gz compressed files. + * + * This optional component relies on zlib. It should mainly be used to + * parse compressed PCF fonts, as found with many X11 server + * distributions. + * + * Copyright (C) 2002-2019 by + * David Turner, Robert Wilhelm, and Werner Lemberg. + * + * This file is part of the FreeType project, and may only be used, + * modified, and distributed under the terms of the FreeType project + * license, LICENSE.TXT. By continuing to use, modify, or distribute + * this file you indicate that you have read the license and + * understand and accept it fully. + * + */ #include <ft2build.h> @@ -41,10 +41,6 @@ #ifdef FT_CONFIG_OPTION_USE_ZLIB -#ifdef FT_CONFIG_OPTION_PIC -#error "gzip code does not support PIC yet" -#endif - #ifdef FT_CONFIG_OPTION_SYSTEM_ZLIB #include <zlib.h> @@ -637,8 +633,8 @@ memory = source->memory; /* - * check the header right now; this prevents allocating un-necessary - * objects when we don't need them + * check the header right now; this prevents allocating un-necessary + * objects when we don't need them */ error = ft_gzip_check_header( source ); if ( error ) @@ -660,12 +656,12 @@ } /* - * We use the following trick to try to dramatically improve the - * performance while dealing with small files. If the original stream - * size is less than a certain threshold, we try to load the whole font - * file into memory. This saves us from using the 32KB buffer needed - * to inflate the file, plus the two 4KB intermediate input/output - * buffers used in the `FT_GZipFile' structure. + * We use the following trick to try to dramatically improve the + * performance while dealing with small files. If the original stream + * size is less than a certain threshold, we try to load the whole font + * file into memory. This saves us from using the 32KB buffer needed + * to inflate the file, plus the two 4KB intermediate input/output + * buffers used in the `FT_GZipFile' structure. */ { FT_ULong zip_size = ft_gzip_get_uncompressed_size( source ); @@ -735,7 +731,7 @@ /* check for `input' delayed to `inflate' */ - if ( !memory || ! output_len || !output ) + if ( !memory || !output_len || !output ) return FT_THROW( Invalid_Argument ); /* this function is modeled after zlib's `uncompress' function */ @@ -750,7 +746,7 @@ stream.zfree = (free_func) ft_gzip_free; stream.opaque = memory; - err = inflateInit2( &stream, MAX_WBITS ); + err = inflateInit2( &stream, MAX_WBITS|32 ); if ( err != Z_OK ) return FT_THROW( Invalid_Argument ); diff --git a/src/3rdparty/freetype/src/gzip/infblock.c b/src/3rdparty/freetype/src/gzip/infblock.c index d6e2dc297d..2b4f0c2b53 100644 --- a/src/3rdparty/freetype/src/gzip/infblock.c +++ b/src/3rdparty/freetype/src/gzip/infblock.c @@ -235,6 +235,7 @@ int r ) s->sub.trees.index = 0; Tracev((stderr, "inflate: table sizes ok\n")); s->mode = BTREE; + /* fall through */ case BTREE: while (s->sub.trees.index < 4 + (s->sub.trees.table >> 10)) { @@ -260,6 +261,7 @@ int r ) s->sub.trees.index = 0; Tracev((stderr, "inflate: bits tree ok\n")); s->mode = DTREE; + /* fall through */ case DTREE: while (t = s->sub.trees.table, s->sub.trees.index < 258 + (t & 0x1f) + ((t >> 5) & 0x1f)) @@ -335,6 +337,7 @@ int r ) } ZFREE(z, s->sub.trees.blens); s->mode = CODES; + /* fall through */ case CODES: UPDATE if ((r = inflate_codes(s, z, r)) != Z_STREAM_END) @@ -351,11 +354,13 @@ int r ) break; } s->mode = DRY; + /* fall through */ case DRY: FLUSH if (s->read != s->write) LEAVE s->mode = DONE; + /* fall through */ case DONE: r = Z_STREAM_END; LEAVE diff --git a/src/3rdparty/freetype/src/gzip/infcodes.c b/src/3rdparty/freetype/src/gzip/infcodes.c index f7bfd58c4f..ba30654990 100644 --- a/src/3rdparty/freetype/src/gzip/infcodes.c +++ b/src/3rdparty/freetype/src/gzip/infcodes.c @@ -117,6 +117,7 @@ int r ) c->sub.code.need = c->lbits; c->sub.code.tree = c->ltree; c->mode = LEN; + /* fall through */ case LEN: /* i: get length/literal/eob next */ j = c->sub.code.need; NEEDBITS(j) @@ -164,6 +165,7 @@ int r ) c->sub.code.tree = c->dtree; Tracevv((stderr, "inflate: length %u\n", c->len)); c->mode = DIST; + /* fall through */ case DIST: /* i: get distance next */ j = c->sub.code.need; NEEDBITS(j) @@ -194,6 +196,7 @@ int r ) DUMPBITS(j) Tracevv((stderr, "inflate: distance %u\n", c->sub.copy.dist)); c->mode = COPY; + /* fall through */ case COPY: /* o: copying bytes in window, waiting for space */ f = q - c->sub.copy.dist; while (f < s->window) /* modulo window size-"while" instead */ @@ -225,6 +228,7 @@ int r ) if (s->read != s->write) LEAVE c->mode = END; + /* fall through */ case END: r = Z_STREAM_END; LEAVE diff --git a/src/3rdparty/freetype/src/gzip/inflate.c b/src/3rdparty/freetype/src/gzip/inflate.c index 8877fa3eb2..95e2653662 100644 --- a/src/3rdparty/freetype/src/gzip/inflate.c +++ b/src/3rdparty/freetype/src/gzip/inflate.c @@ -174,6 +174,7 @@ int f ) break; } z->state->mode = FLAG; + /* fall through */ case FLAG: NEEDBYTE b = NEXTBYTE; @@ -191,18 +192,22 @@ int f ) break; } z->state->mode = DICT4; + /* fall through */ case DICT4: NEEDBYTE z->state->sub.check.need = (uLong)NEXTBYTE << 24; z->state->mode = DICT3; + /* fall through */ case DICT3: NEEDBYTE z->state->sub.check.need += (uLong)NEXTBYTE << 16; z->state->mode = DICT2; + /* fall through */ case DICT2: NEEDBYTE z->state->sub.check.need += (uLong)NEXTBYTE << 8; z->state->mode = DICT1; + /* fall through */ case DICT1: NEEDBYTE z->state->sub.check.need += (uLong)NEXTBYTE; @@ -234,18 +239,22 @@ int f ) break; } z->state->mode = CHECK4; + /* fall through */ case CHECK4: NEEDBYTE z->state->sub.check.need = (uLong)NEXTBYTE << 24; z->state->mode = CHECK3; + /* fall through */ case CHECK3: NEEDBYTE z->state->sub.check.need += (uLong)NEXTBYTE << 16; z->state->mode = CHECK2; + /* fall through */ case CHECK2: NEEDBYTE z->state->sub.check.need += (uLong)NEXTBYTE << 8; z->state->mode = CHECK1; + /* fall through */ case CHECK1: NEEDBYTE z->state->sub.check.need += (uLong)NEXTBYTE; @@ -259,6 +268,7 @@ int f ) } Tracev((stderr, "inflate: zlib check ok\n")); z->state->mode = DONE; + /* fall through */ case DONE: return Z_STREAM_END; case BAD: diff --git a/src/3rdparty/freetype/src/gzip/rules.mk b/src/3rdparty/freetype/src/gzip/rules.mk index 1a2e48bebd..44206a1dae 100644 --- a/src/3rdparty/freetype/src/gzip/rules.mk +++ b/src/3rdparty/freetype/src/gzip/rules.mk @@ -3,7 +3,7 @@ # -# Copyright 2002-2018 by +# Copyright (C) 2002-2019 by # David Turner, Robert Wilhelm, and Werner Lemberg. # # This file is part of the FreeType project, and may only be used, modified, |