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Diffstat (limited to 'source/fitz/load-png.c')
| -rw-r--r-- | source/fitz/load-png.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/source/fitz/load-png.c b/source/fitz/load-png.c index ad22e128..984dbed2 100644 --- a/source/fitz/load-png.c +++ b/source/fitz/load-png.c @@ -452,6 +452,13 @@ png_read_image(fz_context *ctx, struct info *info, unsigned char *p, unsigned in p += size + 12; total -= size + 12; } + if (stm.avail_out != 0) + { + memset(stm.next_out, 0xff, stm.avail_out); + fz_warn(ctx, "missing pixel data in png image; possibly truncated"); + } + else if (total <= 8) + fz_warn(ctx, "missing IEND chunk in png image; possibly truncated"); } fz_catch(ctx) { |