diff options
author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2011-01-26 23:32:22 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2011-01-26 23:32:22 +0000 |
commit | 8489ac41cadc1ef80ea57799bc833a831d1afdc6 (patch) | |
tree | e3bb5aec91fb867e78c7d15fbd4ad85484dfc2f4 /string.c | |
parent | d6eb807878922b2976831236c3f6235ccfb6edb4 (diff) |
* include/ruby/ruby.h (ALLOCV): new API for exception-safe
temporary buffer. [ruby-core:34844]
* string.c (rb_alloc_tmp_buffer, rb_free_tmp_buffer):
implementation of the API.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30661 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'string.c')
-rw-r--r-- | string.c | 18 |
1 files changed, 18 insertions, 0 deletions
@@ -45,6 +45,8 @@ #undef rb_str_buf_cat2 #undef rb_str_cat2 +static VALUE rb_str_clear(VALUE str); + VALUE rb_cString; VALUE rb_cSymbol; @@ -765,6 +767,22 @@ rb_str_tmp_new(long len) return str_new(0, 0, len); } +void * +rb_alloc_tmp_buffer(volatile VALUE *store, long len) +{ + VALUE s = rb_str_tmp_new(len); + *store = s; + return RSTRING_PTR(s); +} + +void +rb_free_tmp_buffer(volatile VALUE *store) +{ + VALUE s = *store; + *store = 0; + if (s) rb_str_clear(s); +} + void rb_str_free(VALUE str) { |