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Fix crash when resizing large images (signed integer overflow, e.g. at image size of 24000x24000)

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This commit is contained in:
Aras Pranckevicius 2016-06-30 21:46:17 +03:00
parent c9ead07188
commit 21ea5487ff
1 changed files with 2 additions and 2 deletions
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4
stb_image_resize.h
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@ -1239,11 +1239,11 @@ static void stbir__decode_scanline(stbir__info* stbir_info, int n)
int type = stbir_info->type;
int colorspace = stbir_info->colorspace;
int input_w = stbir_info->input_w;
int input_stride_bytes = stbir_info->input_stride_bytes;
size_t input_stride_bytes = stbir_info->input_stride_bytes;
float* decode_buffer = stbir__get_decode_buffer(stbir_info);
stbir_edge edge_horizontal = stbir_info->edge_horizontal;
stbir_edge edge_vertical = stbir_info->edge_vertical;
int in_buffer_row_offset = stbir__edge_wrap(edge_vertical, n, stbir_info->input_h) * input_stride_bytes;
size_t in_buffer_row_offset = stbir__edge_wrap(edge_vertical, n, stbir_info->input_h) * input_stride_bytes;
const void* input_data = (char *) stbir_info->input_data + in_buffer_row_offset;
int max_x = input_w + stbir_info->horizontal_filter_pixel_margin;
int decode = STBIR__DECODE(type, colorspace);