Commit Graph

132 Commits

Author SHA1 Message Date
Werner Lemberg 8ef8072ba1 [bdf, cid, pfr, winfonts] Improve rejection of other font formats.
This is mainly for better diagnostics of malformed fonts.

* src/bdf/bdflib.c (_bfd_readstream): Stop font format testing if the first
input line is too long or doesn't end with `\r` or `\n`.

* src/cid/cidparse.c (cid_parser_new): Don't handle too short input as an
error but as an unknown format.

* src/pfr/pfrobjs.c (pfr_face_init): Ditto.

* src/winfonts/winfnt.c (fnt_font_load, fnt_face_get_dll_font): Ditto.
2021-10-19 22:59:46 +02:00
Alexei Podtelezhnikov 30ca63d4fb [bdf] Fix up user properties.
Fallout reported as
  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=40027

* src/bdf/bdflib.c (_bdf_add_property): Cosmetic NULL.
(bdf_create_property): Limit allocations to customary signed
FT_Long and NULL-initialize unused storage.
(bdf_free_font): Do not free unused storage.
2021-10-16 23:02:47 -04:00
Alexei Podtelezhnikov a69320a9b2 [bdf] Simplify comment collection or lack thereof.
BDF comments are neither actually collected nor retrieved. There is
no need to be fancy with delimiters.

* src/bdf/bdflib.c (_add_bdf_comment): Delimit comments with zeros...
(bdf_load_font): ...and do not null-terminate comments additionally.
(_bdf_parse_glyphs): Check if comments are kept, which they are not.
(_bdf_parse_start): Minor clean up.
2021-09-24 22:06:44 -04:00
Alexei Podtelezhnikov a29e020059 Use NULL for pointers only.
* src/bdf/bdflib.c (*): Code changes.
* include/freetype/freetype.h: Comments only.
* src/cff/cffload.c, src/cff/cffobjs.c: Ditto.
* src/winfonts/winfnt.c: Ditto.
2021-09-23 23:10:26 -04:00
Alexei Podtelezhnikov 90b14882ec [bdf, pcf] Minor optimization.
* src/pcf/pcfread.c (pcf_load_font): Do not call `FT_MulDiv` for a
small job.
* src/bdf/bdfdrivr.c (BDF_Face_Init): Ditto.
* src/bdf/bdflib.c (_bdf_parse_glyphs): Fix a comment.
2021-09-22 20:20:04 -04:00
Alexei Podtelezhnikov 892e7eadc9 * src/bdf/bdflib.c (_bdf_parse_{start,glyphs}): Use appropriate scanner. 2021-09-21 14:39:21 +00:00
Alexei Podtelezhnikov 7bf655b228 * src/bdf/bdflib.c (_bdf_parse_start): Keep parser memory. 2021-09-03 11:31:41 -04:00
Alexei Podtelezhnikov 0a6f0f8fed * src/bdf/bdflib.c (bdf_load_font): Remove memory shuffling. 2021-09-02 22:52:21 -04:00
Alexei Podtelezhnikov a81cf5aade Cosmetic zeros. 2021-09-02 22:10:57 -04:00
Alexei Podtelezhnikov 2f62d8e075 * src/bdf/bdflib.c (_bdf_list_ensure): Tweak allocation macro. 2021-05-07 09:33:41 -04:00
Alexei Podtelezhnikov ec95f9c921 [bdf,pcf] Avoid memory zeroing (contd.).
* src/bdf/bdflib.c (bdf_create_property, _bdf_add_comment,
_bdf_add_property, bdf_load_font): Tweak allocation macros.
* src/pcf/pcfread.c (pcf_get_properties, pcf_get_metrics): Ditto.
2021-05-02 18:30:22 -04:00
Alexei Podtelezhnikov c2d283143a [bdf,pcf] Avoid some memory zeroing.
* src/pcf/pcfread.c (pcf_read_TOC, pcf_get_properties, pcf_load_font):
Tweak memory macros.
* src/bdf/bdfdrivr.c (BDF_Face_Init): Ditto.
* src/bdf/bdflib.c (_bdf_readstreami, bdf_create_property,
_bdf_parse_glyphs, _bdf_parse_start): Ditto.
(_bdf_add_property): Do not handle zero size.
2021-04-25 23:33:15 -04:00
Alexei Podtelezhnikov 70fd20e67e Decorate qsort callbacks with cdecl.
* include/freetype/internal/compiler-macros.h (FT_COMPARE_DEF):
Add new macro.
* src/base/ftrfork.c, src/bdf/bdflib.c, src/gxvalid/gxvcommn.c,
src/psaux/afmparse.c, src/psnames/psmodule.c, src/type1/t1afm.c,
src/sfnt/sfwoff.c, src/sfnt/sfwoff2.c: Update qsort callbacks.

Fixes #1026 when compiling FreeType with an unusual calling convention
while the C library qsort still expects cdecl.
2021-02-12 19:28:05 -05:00
Werner Lemberg 92db149e9c * src/bdf/bdflib.c: Fix `-Wformat` warning. 2020-12-05 09:43:45 +01:00
Priyesh Kumar 6d9e6b21e5 * src/*: Fix `-Wformat` warnings. 2020-12-04 16:19:42 +01:00
Werner Lemberg 1658685967 Remove redundant inclusion of `ft2build.h'.
* */*: Remove `#include <ft2build.h>' where possible.

* include/freetype/freetype.h: Remove cpp error about missing
inclusion of `ft2build.h'.
2020-06-13 21:15:45 +02:00
David Turner e13391333f Make macros for header file names optional.
We no longer have to take care of the 8.3 file name limit; this
allows us (a) to introduce longer, meaningful file names, and (b) to
avoid macro names in `#include' lines altogether since some
compilers (most notably Visual C++) doesn't support this properly.

*/*: Replace

   #include FOO_H

with

   #include <freetype/foo.h>

or something similar.  Also update the documentation.
2020-06-08 13:31:55 +02:00
Alexei Podtelezhnikov afaf3f1de9 [bdf,pcf] Use `const' for string literals.
* src/bdf/bdf.h (bdf_property_t): Updated `name'.
* src/bdf/bdflib.c (_bdf_list_split,bdf_create_property,
_bdf_add_property,_bdf_ato*): Updated.
* src/bdf/bdfdrivr.c (bdf_interpret_style): Updated.
* src/pcf/pcfread.c (pcf_intrpret_style): Ditto.
2019-06-10 22:27:39 -04:00
Werner Lemberg f1b6183f36 [bdf] Ignore data after `ENDFONT'.
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10798

* src/bdf/bdflib.c (_bdf_parse_end): New function.
(_bdf_parse_glyphs): Switch to `_bdf_parse_end' after `ENDFONT' has
been encountered.
2018-12-04 11:51:15 +01:00
Alexei Podtelezhnikov efa2a3babf Revert BDF copyright years. 2018-08-15 23:49:07 -04:00
Alexei Podtelezhnikov af9662e60b Ouch. BDF copyright year. 2018-08-15 22:58:11 -04:00
Alexei Podtelezhnikov 923fcbcdd8 [bdf] Don't track duplicate encodings.
There is no harm except some umbiguity in broken fonts with duplicate
encodings.

* src/bdf/bdflib.c (_bdf_parse_glyphs): Remove duplicate tracking.
(_bdf_parse_t): Remove large `have' bitfield.
2018-08-15 22:50:06 -04:00
Werner Lemberg a0dd16fb3d Don't use `trace_' prefix for FT_COMPONENT arguments.
* include/freetype/internal/ftdebug.h (FT_TRACE_COMP,
FT_TRACE_COMP_): New auxiliary macros to add `trace_' prefix.
(FT_TRACE): Use `FT_TRACE_COMP'.

*/* (FT_COMPONENT): Updated.
2018-08-15 18:13:17 +02:00
Alexei Podtelezhnikov e001a17d73 [bdf] Remove unused fields.
* src/bdf/bdf.h (bdf_font_t): Remove `nmod', `umod', and `modified',
which were set but never used.
* src/bdf/bdflib.c (_bdf_parse_{glyphs,properties}, bdf_load_font):
Updated accordingly.
2018-08-14 07:10:57 -04:00
Alexei Podtelezhnikov ac2ea865f3 [bdf] Remove unused overflow storage.
* src/bdf/bdf.h (bdf_glyphlist_t): Remove this type.
(bdf_font_t): Remove `overflow' field.
* src/bdf/bdflib.c (bdf_free_font): Remove `overflow' freeing.
2018-08-13 21:33:24 -04:00
Alexei Podtelezhnikov f5fe6e2f17 [bdf] Use unsigned types.
* src/bdf/bdf.h (bdf_glyph_t): Unsign `encoding'.
(bdf_font_t): Unsign `default_char'.
* src/bdf/bdfdrivr.h (BDF_encoding_el): Unsign `enc'.

* src/bdf/bdflib.c (_bdf_add_property, _bdf_parse_glyphs,
_bdf_parse_start): Updated accordingly.
* src/bdf/bdfdrivr.c (bdf_cmap_char_{index,next}): Ditto.
2018-08-13 09:01:53 -04:00
Armin Hasitzka 0f6be06444 [bdf] Fix underflow of an unsigned value.
bdflib.c:1562 could be reached with `font->glyphs_used == 0'.  That
caused an underflow of the unsigned value which results in undefined
behaviour.

* src/bdf/bdflib.c (src/bdf/bdflib.c): Bail out earlier than before
if the `ENCODING' keyword cannot be found.
2018-06-17 20:27:42 +02:00
Werner Lemberg 9ac9060df0 [GSoC] src/*.*: Convert block comments to `light' style.
This monster commit was created by applying Nikhil's scripts
`docconverter.py' and `markify.py' to all C header and source files,
followed up by minor manual clean-up.

No change in functionality, of course.

I used commit f7419907bc6044b9b7057f9789866426c804ba82 from
https://github.com/nikramakrishnan/freetype-docs.git.
2018-06-03 09:08:41 +02:00
Werner Lemberg 068a7a03aa * src/*/*: Only use `ft_' and `FT_' variants of stdc library stuff. 2017-12-18 20:34:05 +01:00
Werner Lemberg 47a03e9b23 [bdf] Fix integer scanning routines.
Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=2029

* src/bdf/bdflib.c (_bdf_atoul, _bdf_atol, _bdf_atous, _bdf_atos):
Stop scanning if result would overflow.
2017-06-02 09:06:36 +02:00
Werner Lemberg 4441f7b246 Replace `foo == NULL' and `foo != NULL' with `!foo' and `foo', resp.
Other minor formatting.
2016-12-26 17:08:17 +01:00
Werner Lemberg 5d664b6d51 Use FT_SET_ERROR where useful. Other minor code formatting. 2016-12-17 20:47:42 +01:00
Werner Lemberg 2ecf89b481 */*: s/FT_MEM_ZERO/FT_ZERO/ where appropriate. 2016-09-28 19:06:21 +02:00
Werner Lemberg b6b26f4535 [bdf] Check number of properties (#48166).
* src/bdf/bdflib.c (_bdf_parse_start): Implement.
2016-06-09 06:53:48 +02:00
Werner Lemberg 758587dbdb Don't use macro names that start with `_[A-Z]' [1/3].
Such macro names are reserved for both C and C++.

* src/bdf/bdflib.c: Replace macros of the form `_BDF_XXX' with
`BDF_XXX_'.
2016-01-12 22:20:06 +01:00
Werner Lemberg 7ce6c43c3e [base] Make hash interface symmetric.
Use `num' and `str' infixes everywhere.

* src/base/fthash.c (ft_hash_init): Renamed to...
(hash_init): ... This.
(ft_hash_str_init, ft_hash_num_init): New functions.
(ft_hash_free): Renamed to...
(ft_hash_str_free): ... This.

* include/freetype/internal/fthash.h: Updated.

* src/bdf/bdflib.c, src/type1/t1load.c, src/type1/t1objs.c: Updated.
2015-12-22 05:39:58 +01:00
Werner Lemberg 76e79ec9a5 [base, bdf] Don't expose `FT_Hashnode' in hash functions.
* src/base/fthash.c (hash_lookup, ft_hash_str_lookup,
ft_hash_num_lookup): Return pointer to `size_t' instead of
`FT_Hashnode'.

* include/freetype/internal/fthash.h: Updated.

* src/bdf/bdflib.c (bdf_get_property, _bdf_add_property,
bdf_get_font_property): Updated.
2015-12-20 09:03:15 +01:00
Werner Lemberg ad306eaa5e [base, bdf] Add number hashing.
* src/base/fthash.c (hash_num_lookup, hash_num_compare): New
functions.
(ft_hash_init): Add argument to select between number and string
hashing.
(ft_hash_num_insert, ft_hash_num_lookup): New functions.

* include/freetype/internal/fthash.h: Updated.

* src/bdf/bdflib.c (_bdf_parse_start): Updated.
2015-12-20 08:33:21 +01:00
Werner Lemberg 609546c4b8 [base, bdf] Use a union as a hash key.
We want to support both an integer and a string key later on.

* include/freetype/internal/fthash.h (FT_Hashkey): New union.
(FT_HashnodeRec): Updated.
(ft_hash_insert, ft_hash_lookup): Renamed to ...
(ft_hash_str_insert, ft_hash_str_lookup): ... this.

* src/base/fthash.c (hash_bucket): Updated.
(ft_hash_insert, ft_hash_lookup): Renamed to ...
(hash_insert, hash_lookup): ... this.
(ft_hash_str_insert, ft_hash_str_lookup): New wrapper functions.

* src/bdf/bdflib.c: Updated.
2015-12-20 07:17:29 +01:00
Werner Lemberg 313435657d [bdf] Use new hash functions.
* src/bdf/bdf.h: Include FT_INTERNAL_HASH_H.
(hashnode, hashtable): Removed.
(bdf_font_t): Use `FT_HashRec' type for `proptbl'.

* src/bdf/bdflib.c: Remove all hash functions.
Update code for new hash structure and function names.
2015-12-19 17:02:13 +01:00
Ben Wagner a512b0fe7a [bdf] Remove dead code (#46625).
The BDF specification only allows decimal numbers, no octal or
hexidecimal decoding is needed.

* src/bdf/bdflib.c (_bdf_atoul, _bdf_atol, _bdf_atous,
_bdf_atos): Remove unused code and parameters.
Update all callers.
(odigits): Remove.
2015-12-14 09:19:52 +01:00
Werner Lemberg 4a15013a29 * src/bdf/bdflib.c (bdf_load_font): Fix small memory leak (#46480).
(_bdf_parse_glyphs): Always reset `p->glyph_name' after moving its
contents.
2015-11-25 07:53:49 +01:00
Werner Lemberg 94cacac594 * src/bdf/bdflib.c (bdf_load_font): Fix small memory leak (#46439). 2015-11-15 04:45:42 +01:00
Werner Lemberg b185747dd6 [bdf] Prevent memory leak (#46217).
* src/bdf/bdflib.c (_bdf_parse_glyphs) <STARTCHAR>: Check
_BDF_GLYPH_BITS.
2015-10-17 14:21:41 +02:00
Werner Lemberg 797ca5acb5 Typo. 2015-10-17 11:57:16 +02:00
Werner Lemberg e1ca18d449 [bdf] Use stream size to adjust number of glyphs.
* src/bdf/bdflib.c (ACMSG17): New message macro.
(_bdf_parse_t): Add member `size'.
(bdf_load_font): Set `size'.
(_bdf_parse_glyphs): Adjust `cnt' if necessary.
2015-10-17 11:51:27 +02:00
Bungeman 65d8980491 [bdf] Fix memory leak (#46213).
* src/bdf/bdflib.c (bdf_load_font): Always go to label `Fail' in
case of error.
2015-10-15 23:50:16 +02:00
Alexei Podtelezhnikov 41bfbadcd3 * src/bdf/bdflib.c (_bdf_parse_start): Disallow 0 bpp. 2015-06-24 23:57:19 -04:00
Alexei Podtelezhnikov 4308b7b1af * src/bdf/bdflib.c (_bdf_parse_start): Simplify bpp parsing. 2015-06-24 23:31:17 -04:00
Alexei Podtelezhnikov adb08efcf1 [bdf,pcf,truetype] NULL. 2015-04-11 23:54:19 -04:00