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-rw-r--r--include/ruby/encoding.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/ruby/encoding.h b/include/ruby/encoding.h
index 4a5324d62e..7d33e538de 100644
--- a/include/ruby/encoding.h
+++ b/include/ruby/encoding.h
@@ -91,6 +91,7 @@ void rb_enc_copy(VALUE dst, VALUE src);
VALUE rb_enc_str_new(const char*, long, rb_encoding*);
VALUE rb_enc_str_new_cstr(const char*, rb_encoding*);
+VALUE rb_enc_str_new_static(const char*, long, rb_encoding*);
VALUE rb_enc_reg_new(const char*, long, rb_encoding*, int);
PRINTF_ARGS(VALUE rb_enc_sprintf(rb_encoding *, const char*, ...), 2, 3);
VALUE rb_enc_vsprintf(rb_encoding *, const char*, va_list);
@@ -106,10 +107,16 @@ VALUE rb_str_conv_enc(VALUE str, rb_encoding *from, rb_encoding *to);
VALUE rb_str_conv_enc_opts(VALUE str, rb_encoding *from, rb_encoding *to, int ecflags, VALUE ecopts);
#if defined(__GNUC__) && !defined(__PCC__)
+#define rb_enc_str_new(str, len, enc) __extension__ ( \
+{ \
+ (__builtin_constant_p(str) && __builtin_constant_p(len)) ? \
+ rb_enc_str_new_static((str), (len), (enc)) : \
+ rb_enc_str_new((str), (len), (enc)); \
+})
#define rb_enc_str_new_cstr(str, enc) __extension__ ( \
{ \
(__builtin_constant_p(str)) ? \
- rb_enc_str_new((str), (long)strlen(str), (enc)) : \
+ rb_enc_str_new_static((str), (long)strlen(str), (enc)) : \
rb_enc_str_new_cstr((str), (enc)); \
})
#endif