diff options
-rw-r--r-- | ChangeLog | 5 | ||||
-rw-r--r-- | hash.c | 20 |
2 files changed, 17 insertions, 8 deletions
@@ -1,3 +1,8 @@ +Fri Aug 5 17:04:02 2016 Nobuyoshi Nakada <nobu@ruby-lang.org> + + * hash.c (w32_getenv): call rb_w32_getenv and rb_w32_ugetenv via + this pointer without further comparisons. + Thu Aug 4 11:54:30 2016 Nobuyoshi Nakada <nobu@ruby-lang.org> * hash.c (env_assoc): the encoding of the value should be the @@ -2896,17 +2896,21 @@ static char **my_environ; #undef environ #define environ my_environ #undef getenv -static inline char * -w32_getenv(const char *name) +static char *(*w32_getenv)(const char*); +static char * +w32_getenv_unknown(const char *name) { - static int binary = -1; - static int locale = -1; - if (binary < 0) { - binary = rb_ascii8bit_encindex(); - locale = rb_locale_encindex(); + char *(*func)(const char*); + if (rb_locale_encindex() == rb_ascii8bit_encindex()) { + func = rb_w32_getenv; } - return locale == binary ? rb_w32_getenv(name) : rb_w32_ugetenv(name); + else { + func = rb_w32_ugetenv; + } + /* atomic assignment in flat memory model */ + return (w32_getenv = func)(name); } +static char *(*w32_getenv)(const char*) = w32_getenv_unknown; #define getenv(n) w32_getenv(n) #elif defined(__APPLE__) #undef environ |