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authornaruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-12-20 16:02:21 +0000
committernaruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-12-20 16:02:21 +0000
commitba568c0ea3c84c2e2fa79168df2c970812403c8e (patch)
tree320d57da8e37e7e93f8b6f7ee28e4dd00f201a91 /ext/zlib/zlib.c
parent1cc9c93ff9a699689cdef4b1254a70ca8559caaa (diff)
Zlib.gzip uses kwargs instead of argc [Feature #13020]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57126 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/zlib/zlib.c')
-rw-r--r--ext/zlib/zlib.c25
1 files changed, 22 insertions, 3 deletions
diff --git a/ext/zlib/zlib.c b/ext/zlib/zlib.c
index 4052e49..b08f429 100644
--- a/ext/zlib/zlib.c
+++ b/ext/zlib/zlib.c
@@ -4276,6 +4276,10 @@ zlib_gzip_end(struct gzfile *gz)
zstream_end(&gz->z);
}
+#define OPTHASH_GIVEN_P(opts) \
+ (argc > 0 && !NIL_P((opts) = rb_check_hash_type(argv[argc-1])) && (--argc, 1))
+static ID id_level, id_strategy;
+
/*
* call-seq:
* Zlib.gzip(src, level=nil, strategy=nil) -> String
@@ -4305,9 +4309,22 @@ zlib_s_gzip(int argc, VALUE *argv, VALUE klass)
struct gzfile *gz = &gz0;
long len;
int err;
- VALUE src, level, strategy;
-
- rb_scan_args(argc, argv, "12", &src, &level, &strategy);
+ VALUE src, opts, level=Qnil, strategy=Qnil;
+
+ if (OPTHASH_GIVEN_P(opts)) {
+ ID keyword_ids[2];
+ VALUE kwargs[2];
+ keyword_ids[0] = id_level;
+ keyword_ids[1] = id_strategy;
+ rb_get_kwargs(opts, keyword_ids, 0, 2, kwargs);
+ if (kwargs[0] != Qundef) {
+ level = kwargs[0];
+ }
+ if (kwargs[1] != Qundef) {
+ strategy = kwargs[1];
+ }
+ }
+ rb_scan_args(argc, argv, "10", &src);
StringValue(src);
gzfile_init(gz, &deflate_funcs, zlib_gzip_end);
gz->level = ARG_LEVEL(level);
@@ -4690,6 +4707,8 @@ Init_zlib(void)
/* OS code for unknown hosts */
rb_define_const(mZlib, "OS_UNKNOWN", INT2FIX(OS_UNKNOWN));
+ id_level = rb_intern("level");
+ id_strategy = rb_intern("strategy");
#endif /* GZIP_SUPPORT */
}