diff options
Diffstat (limited to 'media-gfx/graphicsmagick/files/graphicsmagick-1.1.7-palm.patch')
| -rw-r--r-- | media-gfx/graphicsmagick/files/graphicsmagick-1.1.7-palm.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/media-gfx/graphicsmagick/files/graphicsmagick-1.1.7-palm.patch b/media-gfx/graphicsmagick/files/graphicsmagick-1.1.7-palm.patch new file mode 100644 index 000000000000..e2ec3a9383a7 --- /dev/null +++ b/media-gfx/graphicsmagick/files/graphicsmagick-1.1.7-palm.patch @@ -0,0 +1,34 @@ +=================================================================== +RCS file: /GraphicsMagick/GraphicsMagick/coders/palm.c,v +retrieving revision 1.62 +retrieving revision 1.62.2.1 +diff -u -p -r1.62 -r1.62.2.1 +--- GraphicsMagick/coders/palm.c 2003/10/11 18:38:35 1.62 ++++ GraphicsMagick/coders/palm.c 2006/11/02 14:24:05 1.62.2.1 +@@ -541,7 +541,7 @@ static Image *ReadPALMImage(const ImageI + image->compression = RLECompression; + for (i = 0; i < (long) bytes_per_row; ) + { +- count = ReadBlobByte(image); ++ count = Min(ReadBlobByte(image), bytes_per_row-i); + byte = ReadBlobByte(image); + memset(one_row + i, (int) byte, count); + i += count; +@@ -579,6 +579,8 @@ static Image *ReadPALMImage(const ImageI + indexes=GetIndexes(image); + if(bits_per_pixel == 16) + { ++ if (image->columns > 2*bytes_per_row) ++ ThrowReaderException(CorruptImageError,CorruptImage,image); + for (x=0; x < (long) image->columns; x++) + { + color16 = (*ptr++ << 8); +@@ -595,6 +597,8 @@ static Image *ReadPALMImage(const ImageI + bit = 8 - bits_per_pixel; + for(x = 0; x < (long) image->columns; x++) + { ++ if (ptr - one_row >= bytes_per_row) ++ ThrowReaderException(CorruptImageError,CorruptImage,image); + index =(IndexPacket) (mask - (((*ptr) & (mask << bit)) >> bit)); + indexes[x] = index; + *q++ = image->colormap[index]; |