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16 lines
698 B
C
16 lines
698 B
C
--- src/modules/loaders/loader_png.c.orig Wed Nov 8 19:47:13 2006
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+++ src/modules/loaders/loader_png.c Wed Nov 8 19:48:04 2006
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@@ -83,6 +83,13 @@
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png_get_IHDR(png_ptr, info_ptr, (png_uint_32 *) (&w32),
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(png_uint_32 *) (&h32), &bit_depth, &color_type,
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&interlace_type, NULL, NULL);
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+ if (w32 < 1 || h32 < 1 || w32 > 16383 || h32 > 16383) {
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+ png_read_end(png_ptr, info_ptr);
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+ png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp) NULL);
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+ fclose(f);
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+ return 0;
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+ }
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+
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im->w = (int)w32;
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im->h = (int)h32;
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if (color_type == PNG_COLOR_TYPE_PALETTE)
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