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decode: fix invalid error return for 0-length EXIF

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Randy 2023-04-21 18:24:02 +03:00
parent ea6ca5bc18
commit a9ed763896
1 changed files with 1 additions and 0 deletions
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spng/spng.c
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@ -2691,6 +2691,7 @@ static int read_non_idat_chunks(spng_ctx *ctx)
if(!memcmp(chunk.type, type_exif, 4))
{
if(ctx->file.exif) return SPNG_EDUP_EXIF;
if(!chunk.length) return SPNG_EEXIF;
ctx->file.exif = 1;