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* io.c (next_argv): warn always for stdin on inplace edit mode.

* io.c (read_all): need to check string value.

* io.c (argf_read): allow ARGF.read(nil).  [ruby-dev:22433]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5310 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
matz 2003-12-26 17:05:20 +00:00
parent d1fd7bdf48
commit 23f79ec282
2 changed files with 36 additions and 12 deletions

View file

@ -1,10 +1,18 @@
Sat Dec 27 00:44:00 2003 Yukihiro Matsumoto <matz@ruby-lang.org>
* io.c (next_argv): warn always for stdin on inplace edit mode.
* io.c (read_all): need to check string value.
* io.c (argf_read): allow ARGF.read(nil). [ruby-dev:22433]
Fri Dec 26 23:02:09 2003 Yukihiro Matsumoto <matz@ruby-lang.org>
* io.c (rb_f_backquote): need not to check nil result.
[ruby-core:02078]
* io.c (rb_io_getline): should return nil on eof, even when nil rs is
specified. [ruby-core:02077]
* io.c (rb_io_getline): should return nil when read_all gives
empty string, even when nil rs is specified. [ruby-core:02077]
Fri Dec 26 18:33:54 2003 Nobuyoshi Nakada <nobu@ruby-lang.org>

36
io.c
View file

@ -787,6 +787,7 @@ read_all(fptr, siz, str)
str = rb_tainted_str_new(0, siz);
}
else {
StringValue(str);
rb_str_resize(str, siz);
}
for (;;) {
@ -1027,8 +1028,8 @@ rb_io_getline(rs, fptr)
rb_io_check_readable(fptr);
if (NIL_P(rs)) {
if (feof(fptr->f)) return Qnil;
str = read_all(fptr, 0, Qnil);
if (RSTRING(str)->len == 0) return Qnil;
}
else if (rs == rb_default_rs) {
return rb_io_getline_fast(fptr, '\n');
@ -2992,23 +2993,22 @@ next_argv()
}
else {
next_p = -1;
current_file = rb_stdin;
filename = rb_str_new2("-");
}
init_p = 1;
gets_lineno = 0;
}
retry:
if (next_p == 1) {
next_p = 0;
retry:
if (RARRAY(rb_argv)->len > 0) {
filename = rb_ary_shift(rb_argv);
fn = StringValuePtr(filename);
if (strlen(fn) == 1 && fn[0] == '-') {
current_file = rb_stdin;
if (ruby_inplace_mode) {
rb_warn("Can't do inplace edit for stdio");
rb_warn("Can't do inplace edit for stdio; skipping");
goto retry;
}
}
else {
@ -3079,12 +3079,17 @@ next_argv()
}
else {
init_p = 0;
if (ruby_inplace_mode) {
rb_stdout = orig_stdout;
}
return Qfalse;
}
}
else if (next_p == -1) {
current_file = rb_stdin;
filename = rb_str_new2("-");
if (ruby_inplace_mode) {
rb_warn("Can't do inplace edit for stdio");
rb_stdout = orig_stdout;
}
}
return Qtrue;
}
@ -3828,11 +3833,22 @@ argf_read(argc, argv)
VALUE tmp, str;
long len = 0;
if (argc == 1) len = NUM2LONG(argv[0]);
if (argc == 1 && !NIL_P(argv[0]))
len = NUM2LONG(argv[0]);
str = Qnil;
retry:
if (!next_argv()) return str;
if (!next_argv()) {
if (NIL_P(str)) {
VALUE length;
rb_scan_args(argc, argv, "02", &length, &str);
if (NIL_P(str)) return rb_str_new(0,0);
StringValue(str);
rb_str_resize(str,0);
}
return str;
}
if (TYPE(current_file) != T_FILE) {
tmp = argf_forward();
}