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mruby-io/io.c: new function io_get_write_fd

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This commit is contained in:
Yukihiro "Matz" Matsumoto
2022-12-29 14:34:33 +09:00
parent 5732948108
commit 663d5715bc
1 changed files with 13 additions and 8 deletions
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mrbgems/mruby-io/src/io.c
+13 -8
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@@ -815,6 +815,18 @@ io_get_write_fptr(mrb_state *mrb, mrb_value self)
return fptr;
}
static int
io_get_write_fd(mrb_state *mrb, mrb_value self)
{
struct mrb_io *fptr = io_get_write_fptr(mrb, self);
if (fptr->fd2 == -1) {
return fptr->fd;
}
else {
return fptr->fd2;
}
}
static mrb_value
io_isatty(mrb_state *mrb, mrb_value self)
{
@@ -991,17 +1003,10 @@ io_syswrite_common(mrb_state *mrb,
fssize_t (*writefunc)(int, const void*, fsize_t, off_t),
mrb_value io, mrb_value buf, off_t offset)
{
struct mrb_io *fptr;
int fd;
fssize_t length;
fptr = io_get_write_fptr(mrb, io);
if (fptr->fd2 == -1) {
fd = fptr->fd;
}
else {
fd = fptr->fd2;
}
fd = io_get_write_fd(mrb, io);
length = writefunc(fd, RSTRING_PTR(buf), (fsize_t)RSTRING_LEN(buf), offset);
if (length == -1) {
mrb_sys_fail(mrb, "syswrite");