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Support bit flags for `IO.open`
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dearblue-file-size-truncate
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shuujii/add-mrb_num_args_error-for-wrong-number-of-arguments-error
Add `mrb_num_args_error()` for "wrong number of arguments" error
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What I intended to fix in #4869 was a patch for an old MinGW.
Recent MinGWs have their own `mkstemp()` function.
I knew this after checking the patch #4903.
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Avoid method in method
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Remove unnessesary branches
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Fix mruby-io test for mingw32
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Note that this bit flags are not compatible with the native flags
defined in `#include <fcntl.h>`.
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And rename `File.concat_path` to `File._concat_path`.
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Need `mkstemp()` implements.
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To unify the style of messages.
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It is writing side by side with the original authors.
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`Kernel#getc` has been removed since Ruby 1.9 and is not defined in ISO.
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The warnings were detected by cppcheck.
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For efficiency with `MRB_WORD_BOXING` (implement type predicate macros for
all `enum mrb_vtype`).
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Character (multi-byte UTF-8) is destroyed when character spanning
`IO::BUF_SIZE` (4096 bytes) exist.
- Prepare file:
```ruby
File.open("sample", "wb") { |f| f << "●" * 1370 }
```
- Before patched:
```ruby
File.open("sample") { |f| a = []; while ch = f.getc; a << ch; end; p a }
# => ["●", "●", ..., "●", "\xe2", "\x97", "\x8f", "●", "●", "●", "●"]
- After patched:
```ruby
File.open("sample") { |f| a = []; while ch = f.getc; a << ch; end; p a }
# => ["●", "●", ..., "●", "●", "●", "●", "●", "●"]
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`IO#readline` and `IO#readchar` process in character units.
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`byteslice` creates 2 string objects. `_bufread` creates one, and
modifies the original buffer string, that is more efficient.
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1. `$/` and other Perl-ish global variables are not defined in ISO.
2. The current Ruby policy do not encourage those variables.
3. Those variables has global effect and can cause troubles.
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E.g. `io.read(5)` should read 5 byte string, not 5 characters.
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Because the linker gives a warning on FreeBSD 12.0.
```
warning: mktemp() possibly used unsafely; consider using mkstemp()
```
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`mrb_string_value_cstr` and `mrb_string_value_len`: obsolete
`mrb_string_cstr`: new function to retrieve NULL terminated C string
`RSTRING_CSTR`: wrapper macro of `mrb_string_cstr`
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The binary sizes (gems are only `mruby-bin-mruby`) are reduced slightly in
my environment than before the introduction of new specifiers/modifiers
(5116789a) with this change.
------------+-------------------+-------------------+--------
BINARY | BEFORE (5116789a) | AFTER (This PR) | RATIO
------------+-------------------+-------------------+--------
mruby | 593416 bytes | 593208 bytes | -0.04%
libmruby.a | 769048 bytes | 767264 bytes | -0.23%
------------+-------------------+-------------------+--------
BTW, I accidentally changed `tasks/toolchains/visualcpp.rake` at #4613,
so I put it back.
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- I think "Info" is used only to `skip`, so change to "Skip".
- Changed the default value of `assert` and specify the argument explicitly
at the caller of `assert` because it is unnatural "Assertion failed" is
output even though the assertion doesn't fail.
== Example:
def assert_foo(exp, act)
assert do
assert_equal exp[0], act[0]
assert_equal exp[1], act[1]
end
end
def assert_bar(exp, act)
assert do
skip
end
end
def assert_baz(exp, act)
assert do
assert_equal exp, act
assert_bar exp, act
end
end
assert 'test#skip_in_nested_assert' do
assert_baz 1, 1
end
=== Before this patch:
?..
Info: test#skip_in_nested_assert (core)
- Assertion[1]
Info: Assertion failed (core)
- Assertion[1-2]
Skip: Assertion failed (core)
Total: 3
OK: 2
KO: 0
Crash: 0
Warning: 0
Skip: 1
=== After this patch:
???
Skip: test#skip_in_nested_assert (core)
- Assertion[1]
Skip: assert (core)
- Assertion[1-2]
Skip: assert (core)
Total: 3
OK: 0
KO: 0
Crash: 0
Warning: 0
Skip: 3
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Ref commit 35319bed01d58c785f73ce03e67d4e58be30f4b5
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