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| author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2006-09-16 10:51:35 +0000 |
|---|---|---|
| committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2006-09-16 10:51:35 +0000 |
| commit | a57aec306c44b37c1b78a2c0ada546853c914c0d (patch) | |
| tree | a6f67591f5263c19346542368ad3b147ee67472a /README.EXT | |
| parent | 12676c84a56fe8a3b2ea2df5a20283dfa1c3502f (diff) | |
| download | ruby-a57aec306c44b37c1b78a2c0ada546853c914c0d.tar.gz ruby-a57aec306c44b37c1b78a2c0ada546853c914c0d.tar.xz ruby-a57aec306c44b37c1b78a2c0ada546853c914c0d.zip | |
* README.EXT: should mention new macros: RSTRING_PTR, RSTRING_LEN,
RARRAY_PTR, RARRAY_LEN.
* README.EXT.ja: ditto.
git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@10950 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'README.EXT')
| -rw-r--r-- | README.EXT | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/README.EXT b/README.EXT index 2fc2fd606..283de48b7 100644 --- a/README.EXT +++ b/README.EXT @@ -115,10 +115,10 @@ can be cast to retrieve the pointer to the struct. The casting macro will be of the form RXXXX for each data type; for instance, RARRAY(obj). See "ruby.h". -For example, `RSTRING(str)->len' is the way to get the size of the -Ruby String object. The allocated region can be accessed by -`RSTRING(str)->ptr'. For arrays, use `RARRAY(ary)->len' and -`RARRAY(ary)->ptr' respectively. +There are some accessing macros for structure members, for example +`RSTRING_LEN(s)' to to get the size of the Ruby String object. The +allocated region can be accessed by `RSTRING_PTR(str). For arrays, use +`RARRAY_LEN(ary) and `RARRAY_PTR(ary) respectively. Notice: Do not change the value of the structure directly, unless you are responsible for the result. This ends up being the cause of interesting |