diff options
| -rw-r--r-- | source/pdf/pdf-stream.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/source/pdf/pdf-stream.c b/source/pdf/pdf-stream.c index e2b8c47e..e0b809c7 100644 --- a/source/pdf/pdf-stream.c +++ b/source/pdf/pdf-stream.c @@ -236,13 +236,26 @@ build_filter_chain(fz_stream *chain, pdf_document *doc, pdf_obj *fs, pdf_obj *ps pdf_obj *f; pdf_obj *p; int i, n; + fz_context *ctx = chain->ctx; - n = pdf_array_len(fs); - for (i = 0; i < n; i++) + fz_try(ctx) + { + n = pdf_array_len(fs); + for (i = 0; i < n; i++) + { + fz_stream *chain2; + + f = pdf_array_get(fs, i); + p = pdf_array_get(ps, i); + chain2 = chain; + chain = NULL; + chain = build_filter(chain2, doc, f, p, num, gen, (i == n-1 ? params : NULL)); + } + } + fz_catch(ctx) { - f = pdf_array_get(fs, i); - p = pdf_array_get(ps, i); - chain = build_filter(chain, doc, f, p, num, gen, (i == n-1 ? params : NULL)); + fz_close(chain); + fz_rethrow(ctx); } return chain; |