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* string.c (sym_inspect): quote if symbol contains non-printable

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characters.  [ruby-dev:37398]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20723 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
matz 2008-12-13 08:09:23 +00:00
parent d6023d88a2
commit 0241c6506f
2 changed files with 18 additions and 1 deletions
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3
ChangeLog
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@ -14,6 +14,9 @@ Sat Dec 13 15:52:27 2008 Yukihiro Matsumoto <matz@ruby-lang.org>
* string.c (sym_equal): remove documentation error "Otherwise,
compares them as strings". [ruby-dev:37398]
* string.c (sym_inspect): quote if symbol contains non-printable
characters. [ruby-dev:37398]
Sat Dec 13 14:24:38 2008 Yuki Sonoda (Yugui) <yugui@yugui.jp>
* test/ruby/enc/test_utf16.rb: feature changed in r20626.

16
string.c
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@ -6826,6 +6826,19 @@ sym_equal(VALUE sym1, VALUE sym2)
}
static int
sym_printable(const char *s, rb_encoding *enc)
{
const char *send = s + strlen(s);
while (s) {
int c = rb_enc_codepoint(s, send, enc);
int n = rb_enc_codelen(c, enc);
if (!rb_enc_isprint(c, enc)) return Qfalse;
s += n;
}
return Qtrue;
}
/*
* call-seq:
* sym.inspect => string
@ -6848,7 +6861,8 @@ sym_inspect(VALUE sym)
RSTRING_PTR(str)[0] = ':';
memcpy(RSTRING_PTR(str)+1, RSTRING_PTR(sym), RSTRING_LEN(sym));
if (RSTRING_LEN(sym) != strlen(RSTRING_PTR(sym)) ||
!rb_enc_symname_p(RSTRING_PTR(sym), enc)) {
!rb_enc_symname_p(RSTRING_PTR(sym), enc) ||
!sym_printable(RSTRING_PTR(sym), enc)) {
str = rb_str_inspect(str);
strncpy(RSTRING_PTR(str), ":\"", 2);
}