From d88fc90e806a72f90667ec780f3370794cbc0c42 Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor.andersson@artifex.com>
Date: Wed, 17 Aug 2016 15:03:43 +0200
Subject: Add pdf_array_find to look up the index of an object in an array.

---
 source/pdf/pdf-object.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'source/pdf')

diff --git a/source/pdf/pdf-object.c b/source/pdf/pdf-object.c
index 8fcbceda..10eb6690 100644
--- a/source/pdf/pdf-object.c
+++ b/source/pdf/pdf-object.c
@@ -808,6 +808,19 @@ pdf_array_contains(fz_context *ctx, pdf_obj *arr, pdf_obj *obj)
 	return 0;
 }
 
+int
+pdf_array_find(fz_context *ctx, pdf_obj *arr, pdf_obj *obj)
+{
+	int i, len;
+
+	len = pdf_array_len(ctx, arr);
+	for (i = 0; i < len; i++)
+		if (!pdf_objcmp(ctx, pdf_array_get(ctx, arr, i), obj))
+			return i;
+
+	return -1;
+}
+
 pdf_obj *pdf_new_rect(fz_context *ctx, pdf_document *doc, const fz_rect *rect)
 {
 	pdf_obj *arr = NULL;
-- 
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