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authorTor Andersson <tor.andersson@artifex.com>2017-04-27 12:43:00 +0200
committerTor Andersson <tor.andersson@artifex.com>2017-04-27 15:12:03 +0200
commitc586d072fd786e66851173f5ddd31241ad28f3e6 (patch)
treed6db1b68dc122f8349513633ae76a73ed353b69b /source/pdf/pdf-resources.c
parentce680b96e207c90429eb702c5ee4b9bec177fdfd (diff)
downloadmupdf-c586d072fd786e66851173f5ddd31241ad28f3e6.tar.xz
Avoid typecasting function pointers in subclasses.
Do the typecasting in the functions instead, reducing the risk of function prototype mismatches.
Diffstat (limited to 'source/pdf/pdf-resources.c')
-rw-r--r--source/pdf/pdf-resources.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/source/pdf/pdf-resources.c b/source/pdf/pdf-resources.c
index f3b71e23..67008159 100644
--- a/source/pdf/pdf-resources.c
+++ b/source/pdf/pdf-resources.c
@@ -70,6 +70,11 @@ pdf_preload_image_resources(fz_context *ctx, pdf_document *doc)
}
}
+static void pdf_drop_obj_as_void(fz_context *ctx, void *obj)
+{
+ pdf_drop_obj(ctx, obj);
+}
+
pdf_obj *
pdf_find_image_resource(fz_context *ctx, pdf_document *doc, fz_image *item, unsigned char digest[16])
{
@@ -77,7 +82,7 @@ pdf_find_image_resource(fz_context *ctx, pdf_document *doc, fz_image *item, unsi
if (!doc->resources.images)
{
- doc->resources.images = fz_new_hash_table(ctx, 4096, 16, -1, (fz_hash_table_drop_fn*)pdf_drop_obj);
+ doc->resources.images = fz_new_hash_table(ctx, 4096, 16, -1, pdf_drop_obj_as_void);
pdf_preload_image_resources(ctx, doc);
}
@@ -111,7 +116,7 @@ pdf_find_font_resource(fz_context *ctx, pdf_document *doc, fz_buffer *item, unsi
pdf_obj *res;
if (!doc->resources.fonts)
- doc->resources.fonts = fz_new_hash_table(ctx, 4096, 16, -1, (fz_hash_table_drop_fn*)pdf_drop_obj);
+ doc->resources.fonts = fz_new_hash_table(ctx, 4096, 16, -1, pdf_drop_obj_as_void);
/* Create md5 and see if we have the item in our table */
fz_md5_buffer(ctx, item, digest);