26 lines
917 B
Diff
26 lines
917 B
Diff
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diff -up ghostscript-8.71/jbig2dec/jbig2_image.c.jbig2-image-refcount ghostscript-8.71/jbig2dec/jbig2_image.c
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--- ghostscript-8.71/jbig2dec/jbig2_image.c.jbig2-image-refcount 2010-08-05 14:55:56.417043303 +0100
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+++ ghostscript-8.71/jbig2dec/jbig2_image.c 2010-08-05 14:56:46.796169065 +0100
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@@ -60,15 +60,18 @@ Jbig2Image* jbig2_image_new(Jbig2Ctx *ct
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/* clone an image pointer by bumping its reference count */
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Jbig2Image* jbig2_image_clone(Jbig2Ctx *ctx, Jbig2Image *image)
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{
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- image->refcount++;
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+ if (image)
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+ image->refcount++;
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return image;
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}
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/* release an image pointer, freeing it it appropriate */
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void jbig2_image_release(Jbig2Ctx *ctx, Jbig2Image *image)
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{
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- image->refcount--;
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- if (!image->refcount) jbig2_image_free(ctx, image);
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+ if (image) {
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+ image->refcount--;
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+ if (!image->refcount) jbig2_image_free(ctx, image);
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+ }
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}
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/* free a Jbig2Image structure and its associated memory */
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