diff options
Diffstat (limited to 'media/libpng/1737038.patch')
| -rw-r--r-- | media/libpng/1737038.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/media/libpng/1737038.patch b/media/libpng/1737038.patch new file mode 100644 index 0000000000..10d6129a6e --- /dev/null +++ b/media/libpng/1737038.patch @@ -0,0 +1,31 @@ +diff --git a/pngwutil.c b/pngwutil.c +--- a/pngwutil.c ++++ b/pngwutil.c +@@ -336,8 +336,10 @@ png_deflate_claim(png_structrp png_ptr, + if ((png_ptr->flags & PNG_FLAG_ZLIB_CUSTOM_STRATEGY) != 0) + strategy = png_ptr->zlib_strategy; + ++#ifdef PNG_WRITE_FILTER_SUPPORTED + else if (png_ptr->do_filter != PNG_FILTER_NONE) + strategy = PNG_Z_DEFAULT_STRATEGY; ++#endif + + else + strategy = PNG_Z_DEFAULT_NOFILTER_STRATEGY; +@@ -828,12 +830,16 @@ png_write_IHDR(png_structrp png_ptr, png + + if ((png_ptr->do_filter) == PNG_NO_FILTERS) + { ++#ifdef PNG_WRITE_FILTER_SUPPORTED + if (png_ptr->color_type == PNG_COLOR_TYPE_PALETTE || + png_ptr->bit_depth < 8) + png_ptr->do_filter = PNG_FILTER_NONE; + + else + png_ptr->do_filter = PNG_ALL_FILTERS; ++#else ++ png_ptr->do_filter = PNG_FILTER_NONE; ++#endif + } + + png_ptr->mode = PNG_HAVE_IHDR; /* not READY_FOR_ZTXT */ |