cairo/b9eed915f9a67380e7ef9d8746656455c43f67e2.patch

35 lines
1.1 KiB
Diff

From f19e2fe080ddcfce93c8234a919fd882f3d63362 Mon Sep 17 00:00:00 2001
From: Adrian Johnson <ajohnson@redneon.com>
Date: Fri, 13 Sep 2024 06:28:39 +0930
Subject: [PATCH] cff: Don't fail if no local subs
Fixes: #870
---
src/cairo-cff-subset.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/src/cairo-cff-subset.c b/src/cairo-cff-subset.c
index 076cb2b0a..8a7de0065 100644
--- a/src/cairo-cff-subset.c
+++ b/src/cairo-cff-subset.c
@@ -952,9 +952,13 @@ cairo_cff_font_read_private_dict (cairo_cff_font_t *font,
decode_number (operand, nominal_width);
num_subs = _cairo_array_num_elements (local_sub_index);
- *local_subs_used = _cairo_calloc_ab (num_subs, sizeof (cairo_bool_t));
- if (unlikely (*local_subs_used == NULL))
- return _cairo_error (CAIRO_STATUS_NO_MEMORY);
+ if (num_subs > 0) {
+ *local_subs_used = _cairo_calloc_ab (num_subs, sizeof (cairo_bool_t));
+ if (unlikely (*local_subs_used == NULL))
+ return _cairo_error (CAIRO_STATUS_NO_MEMORY);
+ } else {
+ *local_subs_used = NULL;
+ }
if (num_subs < 1240)
*local_sub_bias = 107;
--
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