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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2012-04-11 13:31:23 (GMT)
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2012-04-11 13:31:23 (GMT)
commitdb5265a82c221887faf0dfd0d04e47cf11a08e3a (patch)
treea8d54a47508d0e890f102faa4705ce73562f0941 /README.EXT
parenta5d1da5d74560c812acb8db6242e389d2f27e368 (diff)
* parse.y (rb_check_id_cstr): new function to check if ID is
registered with NUL-terminated C string. * sprintf.c (rb_str_format): avoid inadvertent symbol creation. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35300 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'README.EXT')
-rw-r--r--README.EXT4
1 files changed, 3 insertions, 1 deletions
diff --git a/README.EXT b/README.EXT
index ad45255..8368a94 100644
--- a/README.EXT
+++ b/README.EXT
@@ -452,12 +452,14 @@ argument by using
rb_to_id(VALUE symbol)
rb_check_id(volatile VALUE *name)
+ rb_check_id_cstr(const char *name, long len, rb_encoding *enc)
These functions try to convert the argument to a String if it was not
-a Symbol nor a String. The latter function stores the converted
+a Symbol nor a String. The second function stores the converted
result into *name, and returns 0 if the string is not a known symbol.
After this function returned a non-zero value, *name is always a
Symbol or a String, otherwise it is a String if the result is 0.
+The third function takes NUL-terminated C string, not Ruby VALUE.
You can convert C ID to Ruby Symbol by using