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rb_io_each_codepoint: do not goto into a branch

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I'm not necessarily against every goto in general, but jumping into a
branch is definitely a bad idea.  Better refactor.
This commit is contained in:
卜部昌平 2020-06-15 15:23:16 +09:00
parent 1e8461424c
commit 0e4ee71546
Notes: git 2020-06-29 11:07:03 +09:00 
Merged: https://github.com/ruby/ruby/pull/3247
1 changed files with 4 additions and 2 deletions
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6
io.c
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@ -4173,8 +4173,7 @@ rb_io_each_codepoint(VALUE io)
rb_yield(UINT2NUM(c));
}
else if (MBCLEN_INVALID_P(r)) {
invalid:
rb_raise(rb_eArgError, "invalid byte sequence in %s", rb_enc_name(enc));
goto invalid;
}
else if (MBCLEN_NEEDMORE_P(r)) {
char cbuf[8], *p = cbuf;
@ -4197,6 +4196,9 @@ rb_io_each_codepoint(VALUE io)
}
}
return io;
invalid:
rb_raise(rb_eArgError, "invalid byte sequence in %s", rb_enc_name(enc));
}
/*