diff options
Diffstat (limited to 'extra/libpng/0001-libpng16-Avoid-dereferencing-NULL-pointer-possibly-r.patch')
| -rw-r--r-- | extra/libpng/0001-libpng16-Avoid-dereferencing-NULL-pointer-possibly-r.patch | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/extra/libpng/0001-libpng16-Avoid-dereferencing-NULL-pointer-possibly-r.patch b/extra/libpng/0001-libpng16-Avoid-dereferencing-NULL-pointer-possibly-r.patch deleted file mode 100644 index e67728051..000000000 --- a/extra/libpng/0001-libpng16-Avoid-dereferencing-NULL-pointer-possibly-r.patch +++ /dev/null @@ -1,106 +0,0 @@ -From 56d6bc2e8855d25e03816509a0137c3a70410ae6 Mon Sep 17 00:00:00 2001 -From: Glenn Randers-Pehrson <glennrp at users.sourceforge.net> -Date: Mon, 29 Apr 2013 08:57:14 -0500 -Subject: [PATCH 06/10] [libpng16] Avoid dereferencing NULL pointer possibly - returned from - -png_create_write_struct() (Andrew Church). ---- - ANNOUNCE | 6 ++++-- - CHANGES | 4 +++- - pngwrite.c | 65 +++++++++++++++++++++++++++++++------------------------------- - 3 files changed, 39 insertions(+), 36 deletions(-) - - (foutrelis: pruned non-code changes to apply cleanly to libpng 1.6.2.) - -diff --git a/pngwrite.c b/pngwrite.c -index 33924aa..b71a3d3 100644 ---- a/pngwrite.c -+++ b/pngwrite.c -@@ -494,51 +494,50 @@ png_create_write_struct_2,(png_const_charp user_png_ver, png_voidp error_ptr, - png_structrp png_ptr = png_create_png_struct(user_png_ver, error_ptr, - error_fn, warn_fn, mem_ptr, malloc_fn, free_fn); - #endif /* PNG_USER_MEM_SUPPORTED */ -+ if (png_ptr != NULL) -+ { -+ /* Set the zlib control values to defaults; they can be overridden by the -+ * application after the struct has been created. -+ */ -+ png_ptr->zbuffer_size = PNG_ZBUF_SIZE; - -- /* Set the zlib control values to defaults; they can be overridden by the -- * application after the struct has been created. -- */ -- png_ptr->zbuffer_size = PNG_ZBUF_SIZE; -- -- /* The 'zlib_strategy' setting is irrelevant because png_default_claim in -- * pngwutil.c defaults it according to whether or not filters will be used, -- * and ignores this setting. -- */ -- png_ptr->zlib_strategy = PNG_Z_DEFAULT_STRATEGY; -- png_ptr->zlib_level = PNG_Z_DEFAULT_COMPRESSION; -- png_ptr->zlib_mem_level = 8; -- png_ptr->zlib_window_bits = 15; -- png_ptr->zlib_method = 8; -+ /* The 'zlib_strategy' setting is irrelevant because png_default_claim in -+ * pngwutil.c defaults it according to whether or not filters will be -+ * used, and ignores this setting. -+ */ -+ png_ptr->zlib_strategy = PNG_Z_DEFAULT_STRATEGY; -+ png_ptr->zlib_level = PNG_Z_DEFAULT_COMPRESSION; -+ png_ptr->zlib_mem_level = 8; -+ png_ptr->zlib_window_bits = 15; -+ png_ptr->zlib_method = 8; - - #ifdef PNG_WRITE_COMPRESSED_TEXT_SUPPORTED -- png_ptr->zlib_text_strategy = PNG_TEXT_Z_DEFAULT_STRATEGY; -- png_ptr->zlib_text_level = PNG_TEXT_Z_DEFAULT_COMPRESSION; -- png_ptr->zlib_text_mem_level = 8; -- png_ptr->zlib_text_window_bits = 15; -- png_ptr->zlib_text_method = 8; -+ png_ptr->zlib_text_strategy = PNG_TEXT_Z_DEFAULT_STRATEGY; -+ png_ptr->zlib_text_level = PNG_TEXT_Z_DEFAULT_COMPRESSION; -+ png_ptr->zlib_text_mem_level = 8; -+ png_ptr->zlib_text_window_bits = 15; -+ png_ptr->zlib_text_method = 8; - #endif /* PNG_WRITE_COMPRESSED_TEXT_SUPPORTED */ - -- /* This is a highly dubious configuration option; by default it is off, but -- * it may be appropriate for private builds that are testing extensions not -- * conformant to the current specification, or of applications that must not -- * fail to write at all costs! -- */ --# ifdef PNG_BENIGN_WRITE_ERRORS_SUPPORTED -+ /* This is a highly dubious configuration option; by default it is off, -+ * but it may be appropriate for private builds that are testing -+ * extensions not conformant to the current specification, or of -+ * applications that must not fail to write at all costs! -+ */ -+#ifdef PNG_BENIGN_WRITE_ERRORS_SUPPORTED - png_ptr->flags |= PNG_FLAG_BENIGN_ERRORS_WARN; - /* In stable builds only warn if an application error can be completely - * handled. - */ --# endif -+#endif - -- /* App warnings are warnings in release (or release candidate) builds but -- * are errors during development. -- */ --# if PNG_LIBPNG_BUILD_BASE_TYPE >= PNG_LIBPNG_BUILD_RC -+ /* App warnings are warnings in release (or release candidate) builds but -+ * are errors during development. -+ */ -+#if PNG_LIBPNG_BUILD_BASE_TYPE >= PNG_LIBPNG_BUILD_RC - png_ptr->flags |= PNG_FLAG_APP_WARNINGS_WARN; --# endif -+#endif - -- if (png_ptr != NULL) -- { - /* TODO: delay this, it can be done in png_init_io() (if the app doesn't - * do it itself) avoiding setting the default function if it is not - * required. --- -1.8.2.2 - |