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* io.c (rb_sysopen): moved sysopen_struct from rb_sysopen_internal.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24596 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2009-08-20 14:56:23 +00:00
parent 4c5d7d53b2
commit 36c9cddf6c
2 changed files with 48 additions and 30 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Thu Aug 20 23:56:15 2009 Nobuyoshi Nakada <nobu@ruby-lang.org>
* io.c (rb_sysopen): moved sysopen_struct from rb_sysopen_internal.
Thu Aug 20 23:39:51 2009 Yusuke Endoh <mame@tsg.ne.jp>
* parse.y (reduce_nodes_gen): preserve NODE_FL_NEWLINE flag during

74
io.c
View file

@ -4406,7 +4406,7 @@ rb_io_extract_modeenc(VALUE *vmode_p, VALUE *vperm_p, VALUE opthash,
}
struct sysopen_struct {
const char *fname;
VALUE fname;
int oflags;
mode_t perm;
#ifdef _WIN32
@ -4414,62 +4414,76 @@ struct sysopen_struct {
#endif
};
static VALUE
sysopen_func(void *ptr)
{
struct sysopen_struct *data = ptr;
#ifdef _WIN32
if (data->wchar)
return (VALUE)rb_w32_wopen((WCHAR *)data->fname, data->oflags,
data->perm);
#endif
return (VALUE)open(data->fname, data->oflags, data->perm);
}
static int
rb_sysopen_internal(VALUE fname, int oflags, mode_t perm)
static rb_encoding *
w32_utf16(void)
{
#ifdef _WIN32
static rb_encoding *utf16 = (rb_encoding *)-1;
#endif
struct sysopen_struct data;
data.fname = RSTRING_PTR(fname);
data.oflags = oflags;
data.perm = perm;
#ifdef _WIN32
if (utf16 == (rb_encoding *)-1) {
utf16 = rb_enc_find("UTF-16LE");
if (utf16 == rb_ascii8bit_encoding())
utf16 = NULL;
}
return utf16;
}
static int
w32_conv_to_utf16(volatile VALUE *strp)
{
rb_encoding *utf16 = w32_utf16();
if (utf16) {
VALUE wfname = rb_str_encode(fname, rb_enc_from_encoding(utf16), 0,
Qnil);
rb_enc_str_buf_cat(wfname, "", 1, utf16); /* workaround */
data.fname = RSTRING_PTR(wfname);
data.wchar = 1;
VALUE wstr = rb_str_encode(*strp, rb_enc_from_encoding(utf16), 0, Qnil);
rb_enc_str_buf_cat(wstr, "", 1, utf16); /* workaround */
*strp = wstr;
return 1;
}
else {
data.wchar = 0;
return 0;
}
}
#endif
return (int)rb_thread_blocking_region(sysopen_func, &data, RUBY_UBF_IO, 0);
static VALUE
sysopen_func(void *ptr)
{
const struct sysopen_struct *data = ptr;
const char *fname = RSTRING_PTR(data->fname);
#ifdef _WIN32
if (data->wchar)
return (VALUE)rb_w32_wopen((WCHAR *)fname, data->oflags, data->perm);
#endif
return (VALUE)open(fname, data->oflags, data->perm);
}
static inline int
rb_sysopen_internal(const struct sysopen_struct *data)
{
return (int)rb_thread_blocking_region(sysopen_func, data, RUBY_UBF_IO, 0);
}
static int
rb_sysopen(VALUE fname, int oflags, mode_t perm)
{
int fd;
struct sysopen_struct data;
#ifdef O_BINARY
oflags |= O_BINARY;
#endif
data.fname = fname;
data.oflags = oflags;
data.perm = perm;
#ifdef _WIN32
if ((data.wchar = w32_conv_to_utf16(&data.fname)) != 0) {
OBJ_FREEZE(data.fname);
}
#endif
fd = rb_sysopen_internal(fname, oflags, perm);
fd = rb_sysopen_internal(&data);
if (fd < 0) {
if (errno == EMFILE || errno == ENFILE) {
rb_gc();
fd = rb_sysopen_internal(fname, oflags, perm);
fd = rb_sysopen_internal(&data);
}
if (fd < 0) {
rb_sys_fail(RSTRING_PTR(fname));