From ef3cfb2a49b5be82d56d783f505319754dc65cb8 Mon Sep 17 00:00:00 2001 From: Tor Andersson Date: Wed, 28 Mar 2018 15:17:27 +0200 Subject: Don't implicitly drop in fz_open_* chained filters. --- source/gprf/gprf-doc.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) (limited to 'source/gprf') diff --git a/source/gprf/gprf-doc.c b/source/gprf/gprf-doc.c index 2c508139..44e12ebc 100644 --- a/source/gprf/gprf-doc.c +++ b/source/gprf/gprf-doc.c @@ -353,8 +353,9 @@ gprf_get_pixmap(fz_context *ctx, fz_image *image_, fz_irect *area, int w, int h, unsigned char equiv[3 + FZ_MAX_SEPARATIONS][4]; int bytes_per_channel = image->super.w * image->super.h; unsigned char *out = fz_pixmap_samples(ctx, pix); + fz_stream *tmp_file = NULL; - fz_var(file); + fz_var(tmp_file); if (area) { @@ -404,9 +405,11 @@ gprf_get_pixmap(fz_context *ctx, fz_image *image_, fz_irect *area, int w, int h, read_sep[i] = 2; memset(&data[i * decode_chunk_size], 0, decode_chunk_size); } - file[i] = fz_open_file(ctx, image->file->filename); - fz_seek(ctx, file[i], image->offset[i], SEEK_SET); - file[i] = fz_open_flated(ctx, file[i], 15); + tmp_file = fz_open_file(ctx, image->file->filename); + fz_seek(ctx, tmp_file, image->offset[i], SEEK_SET); + file[i] = fz_open_flated(ctx, tmp_file, 15); + fz_drop_stream(ctx, tmp_file); + tmp_file = NULL; } /* Now actually do the decode */ @@ -463,6 +466,7 @@ gprf_get_pixmap(fz_context *ctx, fz_image *image_, fz_irect *area, int w, int h, } fz_always(ctx) { + fz_drop_stream(ctx, tmp_file); for (i = 0; i < 3+num_seps; i++) fz_drop_stream(ctx, file[i]); } -- cgit v1.2.3