diff options
Diffstat (limited to 'io.c')
-rw-r--r-- | io.c | 24 |
1 files changed, 19 insertions, 5 deletions
@@ -7396,10 +7396,10 @@ select_end(VALUE arg) } #endif -#ifdef HAVE_POSIX_FADVISE static VALUE sym_normal, sym_sequential, sym_random, sym_willneed, sym_dontneed, sym_noreuse; +#ifdef HAVE_POSIX_FADVISE struct io_advise_struct { int fd; off_t offset; @@ -7481,6 +7481,23 @@ do_io_advise(rb_io_t *fptr, VALUE advice, off_t offset, off_t len) #endif /* HAVE_POSIX_FADVISE */ +static void +advice_arg_check(VALUE advice) +{ + if (!SYMBOL_P(advice)) + rb_raise(rb_eTypeError, "advice must be a Symbol"); + + if (advice != sym_normal && + advice != sym_sequential && + advice != sym_random && + advice != sym_willneed && + advice != sym_dontneed && + advice != sym_noreuse) { + rb_raise(rb_eNotImpError, "Unsupported advice: :%s", + RSTRING_PTR(rb_id2str(SYM2ID(advice)))); + } +} + /* * call-seq: * ios.advise(advice, offset=0, len=0) -> nil @@ -7530,8 +7547,7 @@ rb_io_advise(int argc, VALUE *argv, VALUE io) rb_io_t *fptr; rb_scan_args(argc, argv, "12", &advice, &offset, &len); - if (!SYMBOL_P(advice)) - rb_raise(rb_eTypeError, "advice must be a Symbol"); + advice_arg_check(advice); io = GetWriteIO(io); GetOpenFile(io, fptr); @@ -10530,12 +10546,10 @@ Init_IO(void) sym_textmode = ID2SYM(rb_intern("textmode")); sym_binmode = ID2SYM(rb_intern("binmode")); sym_autoclose = ID2SYM(rb_intern("autoclose")); -#ifdef HAVE_POSIX_FADVISE sym_normal = ID2SYM(rb_intern("normal")); sym_sequential = ID2SYM(rb_intern("sequential")); sym_random = ID2SYM(rb_intern("random")); sym_willneed = ID2SYM(rb_intern("willneed")); sym_dontneed = ID2SYM(rb_intern("dontneed")); sym_noreuse = ID2SYM(rb_intern("noreuse")); -#endif } |