From e15fa7a8cffbe6a67b1048d7b87b7df77d8b1686 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 25 Jul 2014 11:44:35 -0400
Subject: [PATCH] Do not require the '=' in hb_feature_from_string()

Towards accepting CSS font-feature-settings strings.
---
 src/hb-shape.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/hb-shape.cc b/src/hb-shape.cc
index a63a5c1e0..b4d300418 100644
--- a/src/hb-shape.cc
+++ b/src/hb-shape.cc
@@ -139,7 +139,11 @@ parse_feature_indices (const char **pp, const char *end, hb_feature_t *feature)
 static hb_bool_t
 parse_feature_value_postfix (const char **pp, const char *end, hb_feature_t *feature)
 {
-  return !parse_char (pp, end, '=') || parse_uint (pp, end, &feature->value);
+  bool had_equal = parse_char (pp, end, '=');
+  bool had_value = parse_uint (pp, end, &feature->value);
+  /* If there was an equal-sign, then there *must* be a value.
+   * A value without an eqaul-sign is ok, but not required. */
+  return !had_equal || had_value;
 }