Potrace for Windows full changelog

PS1 - portability: use AC_USE_SYSTEM_EXTENSIONS instead of individual feature test macros.
PS1 - automake: handle conditional sources better.
PS1 - normalize rotation angle
PS1 - portability: use binary file i/o in OS/2, suggested by Dave Yeo.
PS1 - autoconf: renamed --enable-local-getopt as--with-included-getopt.
PS1 - test suite: adjusted tolerances.
PS1 - fixed a potential arithmetic overflow. Fixes bugs #23 and #24 reported by Henri Salo.

This release consists of bugfixes and minor portability improvements. Some potential buffer overflows and arithmetic overflows were fixed, including CVE-2017-12067. A bug triggered by very large bitmaps has been fixed. A new configuration option --enable-local-getopt was added.

PS1 - fixed heap overflows, null pointer dereference
bugs and a memory leak. Reported by Agostino Sarubbo.
(2015/05/17) PS1 - man page: show which backends are dimension
based, and state more clearly that svg backend defaults to 72dpi.
(2015/04/11) PS1 - portability: ssize_t not supported on some
systems; use ptrdiff_t instead. Reported by Martin Gieseking.
(2015/03/28) PS1 - portability: added missing #includes for c99,
reported by Nelson Beebe.
(2015/03/27) PS1 - include config.h before other header files,
reported by Peter Breitenlohner.
(2015/03/26) PS1 - fixed division by zero bug triggered by bitmap
of dimension 1x0. Reported by Tomasz Buchert.

Fixed memory overflow bug triggered by very large bitmaps. Fixed binary file mode on 64-bit Windows. Portability improvements.

(2011/08/07) PS1 - added --tight option
(2011/08/05) PS1 - backends: simplified dimension calculations
(2011/08/05) PS1 - eps backend: prevent integer overflow in
bounding box.
(2011/08/05) PS1 - disallow resolution of 0 dpi.
(2011/08/05) PS1 - man page: added BACKEND TYPES section
(2011/08/05) PS1 - fixed default scaling at 72dpi for
variable-sized backends
(2011/08/02) PS1 - new gimppath backend produces SVG output
suitable for current versions of Gimp.
(2011/08/02) PS1 - added a --flat option for the SVG backend.
(2011/07/31) PS1 - test suite: renamed *.out files to prevent make's
built-in implicit rules from accidentally overwriting them.
(2011/07/26) PS1 - added DXF backend. Thanks to Jonas Benedett
Dorr for testing.
(2011/07/26) PS1 - use high resolution bounding box in EPS, PDF,
and SVG backends
(2011/05/13) PS1 - autoconf: CADD can now be given at compile time