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-rw-r--r--include/ruby/encoding.h2
-rw-r--r--include/ruby/oniguruma.h1
2 files changed, 2 insertions, 1 deletions
diff --git a/include/ruby/encoding.h b/include/ruby/encoding.h
index 3810d86b39..6536cb51ae 100644
--- a/include/ruby/encoding.h
+++ b/include/ruby/encoding.h
@@ -67,7 +67,7 @@ typedef OnigEncodingType rb_encoding;
int rb_enc_replicate(const char *, rb_encoding *);
int rb_define_dummy_encoding(const char *);
int rb_enc_dummy_p(rb_encoding *);
-int rb_enc_to_index(rb_encoding*);
+#define rb_enc_to_index(enc) ((enc) ? ((enc)->ruby_encoding_index) : 0)
int rb_enc_get_index(VALUE obj);
int rb_enc_find_index(const char *name);
int rb_to_encoding_index(VALUE);
diff --git a/include/ruby/oniguruma.h b/include/ruby/oniguruma.h
index 37305bc17c..7b11b51780 100644
--- a/include/ruby/oniguruma.h
+++ b/include/ruby/oniguruma.h
@@ -167,6 +167,7 @@ typedef struct OnigEncodingTypeST {
OnigUChar* (*left_adjust_char_head)(const OnigUChar* start, const OnigUChar* p, struct OnigEncodingTypeST* enc);
int (*is_allowed_reverse_match)(const OnigUChar* p, const OnigUChar* end, struct OnigEncodingTypeST* enc);
void *auxiliary_data;
+ int ruby_encoding_index;
} OnigEncodingType;
typedef OnigEncodingType* OnigEncoding;