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* io.c (rb_io_ungetbyte, rb_io_ungetc): allows nil to reset EOF

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flag with ungetting nothing.

* ruby.c (load_file_internal): rests EOF flag to make possible to
  load from stdin after reading data.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@21718 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2009-01-21 12:42:39 +00:00
parent f0cc645afa
commit 938fcd6b70
3 changed files with 11 additions and 2 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
Wed Jan 21 21:43:50 2009 Nobuyoshi Nakada <nobu@ruby-lang.org>
* io.c (rb_io_ungetbyte, rb_io_ungetc): allows nil to reset EOF
flag with ungetting nothing.
* ruby.c (load_file_internal): rests EOF flag to make possible to
load from stdin after reading data.
Wed Jan 21 15:32:15 2009 Nobuyoshi Nakada <nobu@ruby-lang.org>
* io.c (rb_io_ungetbyte, rb_io_ungetc): clears EOF flag.

4
io.c
View file

@ -2860,6 +2860,7 @@ rb_io_ungetbyte(VALUE io, VALUE b)
GetOpenFile(io, fptr);
rb_io_check_readable(fptr);
io_unset_eof(fptr);
if (NIL_P(b)) return Qnil;
if (FIXNUM_P(b)) {
char cc = FIX2INT(b);
@ -2869,7 +2870,6 @@ rb_io_ungetbyte(VALUE io, VALUE b)
SafeStringValue(b);
}
io_ungetbyte(b, fptr);
io_unset_eof(fptr);
return Qnil;
}
@ -2897,6 +2897,7 @@ rb_io_ungetc(VALUE io, VALUE c)
GetOpenFile(io, fptr);
rb_io_check_readable(fptr);
io_unset_eof(fptr);
if (NIL_P(c)) return Qnil;
if (FIXNUM_P(c)) {
int cc = FIX2INT(c);
@ -2926,7 +2927,6 @@ rb_io_ungetc(VALUE io, VALUE c)
else {
io_ungetbyte(c, fptr);
}
io_unset_eof(fptr);
return Qnil;
}

1
ruby.c
View file

@ -1581,6 +1581,7 @@ load_file_internal(VALUE arg)
rb_io_ungetbyte(f, c);
}
require_libraries(opt); /* Why here? unnatural */
rb_io_ungetbyte(f, Qnil);
}
if (opt->src.enc.index >= 0) {
enc = rb_enc_from_index(opt->src.enc.index);