[Feature #2571] $BJ8;zNs$N%O%_%s%05wN%(B

Kenta_M · January 7, 2010, 9:06am

Feature #2571: e$BJ8;zNs$N%O%_%s%05wN%e(B
http://redmine.ruby-lang.org/issues/show/2571

e$B5/I<<Te(B: Kenta M.
e$B%9%F!<%?%9e(B: Open, e$BM%@hEYe(B: Normal
e$B%+%F%4%je(B: core, Target version: 1.9.2

e$BJ8;zNs$N%O%%s%05wN%$r5a$a$k%a%=%C%I$,M$7$+$C$?$?$a!"e(BString#hamming_distance
e$B$r<BAu$7$^$7$?!#e(B
hamming_distance e$B$OD9$/$F;H$$$K$/$+$C$?$N$G!“e(BString#^
e$B$bDj5A$7$^$7$?!#e(B
e$BJ8;z?t$,0[$J$k>l9g!”$*$h$SHf3SIT2DG=$J%(%s%3!<%G%#%s%0$N>l9g$OL$Dj5A$H$7e(B
nil e$B$rJV$7$^$9!#e(B

e$B$3$l$,AH$9~$$G;HMQ$G$-$?$i0lHV4r$7$$$N$G$9$,!":NMQ$7$F$$$?$@$/;v$O2DG=$G$7$g$&$+!)e(B

Kenta_M · January 7, 2010, 9:35am

e$B$^$D$b$He(B e$B$f$-$R$m$G$9e(B

In message “Re: [ruby-dev:39975] [Feature #2571]
e$BJ8;zNs$N%O%_%s%05wN%e(B”
on Thu, 7 Jan 2010 17:06:10 +0900, Kenta M.
[email protected] writes:

|e$BJ8;zNs$N%O%%s%05wN%$r5a$a$k%a%=%C%I$,M$7$+$C$?$?$a!“e(BString#hamming_distance e$B$r<BAu$7$^$7$?!#e(B
|hamming_distance e$B$OD9$/$F;H$$$K$/$+$C$?$N$G!“e(BString#^ e$B$bDj5A$7$^$7$?!#e(B
|e$BJ8;z?t$,0[$J$k>l9g!”$*$h$SHf3SIT2DG=$J%(%s%3!<%G%#%s%0$N>l9g$OL$Dj5A$H$7e(B nil e$B$rJV$7$^$9!#e(B
|
|e$B$3$l$,AH$9~$$G;HMQ$G$-$?$i0lHV4r$7$$$N$G$9$,!”:NMQ$7$F$$$?$@$/;v$O2DG=$G$7$g$&$+!)e(B

e$B2DG=$G$9$,!“0J2<$NE@$KN10U$7$F5DO@$7$?>e!”$H$$$&$3$H$K$J$k$Ge(B
e$B$7$g$&$M!#e(B

String#^e$B$O0UL#$,<+L@$G$O$J$$$N$G:NMQ$OFq$7$$e(B
hamming_distancee$B$,3HD%%i%$%V%i%j$G$O$J$/!“AH$9~$$G$”$ke(B
e$BI,A3@-!"$D$^$j1~MQHO0O$N9-$5$K$D$$$F@bL@$,I,MW$J5$$,$9$k!#e(B
hamming_distancee$B$,$“$l$P!”$?$H$($P!“e(BLevenshtein distance
e$B$r5a$a$k%a%=%C%I$,M_$7$$!”$H$+L5@)8B$J3HD%MW5a$K$D$J$,$ie(B
e$B$J$$$+!#e(B

Kenta_M · January 7, 2010, 10:18am

e$B%A%1%C%He(B #2571 e$B$,99?7$5$l$^$7$?!#e(B (by Yui NARUSE)

e$B$3$N%a%=%C%I$re(B Ruby e$B$G<BAu$7$h$&$H$9$k$H!"e(BString#[] e$B$r;H$C$FHf3S$9$k$3$H$K$J$k$H;W$$$^$9!#e(B

String#codepoints e$B$r;H$&$H$$$&J}K!$,$“$j$^$9!#e(B
e$B$^$?!”$^$D$b$H$5$s$N$4;XE&$NDL$j3HD%%i%$%V%i%j$H$$$&J}K!$b$"$j$^$9$7!"e(Bgeme$B$G$b$$$$$G$7$g$&!#e(B

e$B%F%-%9%H=hM}8@8l$J$N$@$+$i!"e(Btextutils
e$B$_$?$$$J%i%$%V%i%j$,E:IU$5$l$F$$$F$b$$$$5$$O$7$^$9$,!"e(B
e$BBEEv$K8+$($k%f!<%9%1!<%9$,$J$$$HFq$7$$$N$G$O$J$$$G$7$g$&$+!#e(B

http://redmine.ruby-lang.org/issues/show/2571

Kenta_M · January 7, 2010, 9:13am

e$B%A%1%C%He(B #2571 e$B$,99?7$5$l$^$7$?!#e(B (by Kenta M.)

e$B$3$N%a%=%C%I$re(B Ruby e$B$G<BAu$7$h$&$H$9$k$H!"e(BString#[]
e$B$r;H$C$FHf3S$9$k$3$H$K$J$k$H;W$$$^$9!#e(B
e$B$=$N>l9g!"e(BString#[]
e$B$,8F$S=P$5$l$kEY$K?7$?$JJ8;zNs$,@8@.$5$l$F$7$^$$L5BL$J%%V%8%'%/%H$,$$$/$D$b@8@.$5$l$^$9!#e(B
e$BJ8;zNs$KBP$9$k%O%_%s%05wN%$N2r<a$,JQ2=$9$k$3$H$OKX$IL5$$$G$7$g$&$+$i!"e(B
e$BAH$9~$$N%a%=%C%I$H$7$F<BAu$5$l$F$$$kJ}$,0lHLE$K4r$7$$$N$G$O$J$$$G$7$g$&$+!#e(B

http://redmine.ruby-lang.org/issues/show/2571

Kenta_M · January 11, 2010, 7:54am

e$B@.@%$G$9!#e(B

(2010/01/11 15:35), Kenta M. wrote:

e$B$H$3$m$G!"3HD%%i%$%V%i%j$K$9$k:]$K!"e(Bstr_strlen e$B$r8x3+e(B API e$B$K$7$F$b$i$$$?$$$N$G$9$,!"e(B
e$B$=$l$O2DG=$G$7$g$&$+!)e(B rb_str_strlen e$B$K$J$k$N$+$J!)e(B

e$BL>A0$,$A$g$C$HG:$`=j$J$s$G$9$,$H$j$"$($:!"e(B

diff --git a/include/ruby/intern.h b/include/ruby/intern.h
index 14e23b8…5500a9e 100644
— a/include/ruby/intern.h
+++ b/include/ruby/intern.h
@@ -662,6 +662,7 @@ VALUE rb_str_associated(VALUE);
void rb_str_setter(VALUE, ID, VALUE*);
VALUE rb_str_intern(VALUE);
VALUE rb_sym_to_s(VALUE);
+log rb_str_strlen(VALUE, rb_encoding*);
VALUE rb_str_length(VALUE);
long rb_str_offset(VALUE, long);
size_t rb_str_capacity(VALUE);
diff --git a/string.c b/string.c
index 2dcc330…6a7d625 100644
— a/string.c
+++ b/string.c
@@ -1033,8 +1033,8 @@ count_utf8_lead_bytes_with_word(const VALUE *s)
}
#endif

-static long
-str_strlen(VALUE str, rb_encoding *enc)
+long
+rb_str_strlen(VALUE str, rb_encoding *enc)
{
const char *p, *e;
long n;
@@ -1092,7 +1092,7 @@ rb_str_length(VALUE str)
{
long len;

len = str_strlen(str, STR_ENC_GET(str));

len = rb_str_strlen(str, STR_ENC_GET(str));
return LONG2NUM(len);
}

@@ -1573,11 +1573,11 @@ rb_str_substr(VALUE str, long beg, long len)
goto sub;
}
else {

```
 beg += str_strlen(str, enc);
```

 beg += rb_str_strlen(str, enc);
 if (beg < 0) return Qnil;

}
}

else if (beg > 0 && beg > str_strlen(str, enc)) {

else if (beg > 0 && beg > rb_str_strlen(str, enc)) {
return Qnil;
}
if (len == 0) {
@@ -2266,8 +2266,8 @@ rb_str_index(VALUE str, VALUE sub, long offset)
if (is_broken_string(sub)) {
return -1;
}

len = str_strlen(str, enc);
slen = str_strlen(sub, enc);

len = rb_str_strlen(str, enc);
slen = rb_str_strlen(sub, enc);
if (offset < 0) {
offset += len;
if (offset < 0) return -1;
@@ -2329,7 +2329,7 @@ rb_str_index_m(int argc, VALUE *argv, VALUE str)
pos = 0;
}
if (pos < 0) {

pos += str_strlen(str, STR_ENC_GET(str));

pos += rb_str_strlen(str, STR_ENC_GET(str));
if (pos < 0) {
if (TYPE(sub) == T_REGEXP) {
rb_backref_set(Qnil);
@@ -2340,7 +2340,7 @@ rb_str_index_m(int argc, VALUE *argv, VALUE str)

switch (TYPE(sub)) {
case T_REGEXP:

if (pos > str_strlen(str, STR_ENC_GET(str)))

if (pos > rb_str_strlen(str, STR_ENC_GET(str)))
return Qnil;
pos = str_offset(RSTRING_PTR(str), RSTRING_END(str), pos,
rb_enc_check(str, sub), single_byte_optimizable(str));
@@ -2382,8 +2382,8 @@ rb_str_rindex(VALUE str, VALUE sub, long pos)
if (is_broken_string(sub)) {
return -1;
}

len = str_strlen(str, enc);
slen = str_strlen(sub, enc);

len = rb_str_strlen(str, enc);
slen = rb_str_strlen(sub, enc);
/* substring longer than string */
if (len < slen) return -1;
if (len - pos < slen) {
@@ -2433,7 +2433,7 @@ rb_str_rindex_m(int argc, VALUE *argv, VALUE str)
VALUE sub;
VALUE vpos;
rb_encoding *enc = STR_ENC_GET(str);

long pos, len = str_strlen(str, enc);

long pos, len = rb_str_strlen(str, enc);

if (rb_scan_args(argc, argv, “11”, &sub, &vpos) == 2) {
pos = NUM2LONG(vpos);
@@ -2981,7 +2981,7 @@ rb_str_aref(VALUE str, VALUE indx)
long beg, len;
VALUE tmp;

 len = str_strlen(str, STR_ENC_GET(str));

```
 len = rb_str_strlen(str, STR_ENC_GET(str));
 switch (rb_range_beg_len(indx, &beg, &len, len, 0)) {
   case Qfalse:
```
break;
@@ -3136,7 +3136,7 @@ rb_str_splice(VALUE str, long beg, long len, VALUE
val)

StringValue(val);
enc = rb_enc_check(str, val);

slen = str_strlen(str, enc);

slen = rb_str_strlen(str, enc);

if (slen < beg) {
out_of_range:
@@ -3232,14 +3232,14 @@ rb_str_aset(VALUE str, VALUE indx, VALUE val)
rb_raise(rb_eIndexError, “string not matched”);
}
beg = rb_str_sublen(str, beg);

rb_str_splice(str, beg, str_strlen(indx, 0), val);

rb_str_splice(str, beg, rb_str_strlen(indx, 0), val);
return val;
```
default:
```
/* check if indx is Range */
{
long beg, len;

 if (rb_range_beg_len(indx, &beg, &len, str_strlen(str, 0), 2)) {

 if (rb_range_beg_len(indx, &beg, &len, rb_str_strlen(str, 0), 2))

{
rb_str_splice(str, beg, len, val);
return val;
}
@@ -6605,13 +6605,13 @@ rb_str_justify(int argc, VALUE *argv, VALUE str,
char jflag)
enc = rb_enc_check(str, pad);
f = RSTRING_PTR(pad);
flen = RSTRING_LEN(pad);

fclen = str_strlen(pad, enc);

fclen = rb_str_strlen(pad, enc);
singlebyte = single_byte_optimizable(pad);
if (flen == 0 || fclen == 0) {
rb_raise(rb_eArgError, “zero width padding”);
}
}

len = str_strlen(str, enc);

len = rb_str_strlen(str, enc);
if (width < 0 || len >= width) return rb_str_dup(str);
n = width - len;
llen = (jflag == ‘l’) ? 0 : ((jflag == ‘r’) ? n : n/2);
@@ -6829,7 +6829,7 @@ rb_str_rpartition(VALUE str, VALUE sep)
}
return rb_ary_new3(3, rb_str_substr(str, 0, pos),
sep,

rb_str_substr(str,pos+str_strlen(sep,STR_ENC_GET(sep)),RSTRING_LEN(str)));
+
rb_str_substr(str,pos+rb_str_strlen(sep,STR_ENC_GET(sep)),RSTRING_LEN(str)));
}

/*

Kenta_M · January 11, 2010, 7:36am

e$B$`$i$?$G$9!#e(B

On 2010/01/07, at 17:35, Yukihiro M. wrote:

e$B$J$$$+!#e(B

e$B6D$kDL$j$G!“<B$O$3$l$+$i!“JT=85wN%$bI,MW$K$J$k$3$H$,J,$+$C$F$$$^$9!#e(B
e$B$^$?!”!V3HD%%i%$%V%i%j$G$$$$$8$c$s!W$H8@$o$l$k$H!”$J$+$J$+H?O@$G$-$J$$$G$9$M!#e(B

e$B2~$a$F3HD%%i%$%V%i%j$H$7$FI8=`E:IU$7$F$b$i$($=$&$JF;$r9M$($F$_$h$&$H;W$$$^$9!#e(B

e$B$H$3$m$G!"3HD%%i%$%V%i%j$K$9$k:]$K!"e(Bstr_strlen e$B$r8x3+e(B API
e$B$K$7$F$b$i$$$?$$$N$G$9$,!"e(B
e$B$=$l$O2DG=$G$7$g$&$+!)e(B rb_str_strlen e$B$K$J$k$N$+$J!)e(B

–
Kenta M.
OpenPGP FP = FA26 35D7 4F98 3498 0810 E0D5 F213 966F E9EB 0BCC

e$BK$r=q$-$^$7$?e(B!!
e$B!Xe(BRuby e$B5U0z$-%l%7%T!Ye(B

E-mail: [email protected]
twitter: http://twitter.com/mrkn/
blog: ドレッシングのような

Kenta_M · January 11, 2010, 8:17am

e$B$^$D$b$He(B e$B$f$-$R$m$G$9e(B

In message “Re: [ruby-dev:40029] Re: [Feature #2571]
e$BJ8;zNs$N%O%_%s%05wN%e(B”
on Mon, 11 Jan 2010 15:53:55 +0900, “NARUSE, Yui”
[email protected] writes:

|(2010/01/11 15:35), Kenta M. wrote:
|> e$B$H$3$m$G!"3HD%%i%$%V%i%j$K$9$k:]$K!"e(Bstr_strlen e$B$r8x3+e(B API e$B$K$7$F$b$i$$$?$$$N$G$9$,!“e(B
|> e$B$=$l$O2DG=$G$7$g$&$+!)e(B rb_str_strlen e$B$K$J$k$N$+$J!)e(B
|
|e$BL>A0$,$A$g$C$HG:$`=j$J$s$G$9$,$H$j$”$($:!"e(B

e$B8x3+$K$O;?@.$G$9!#$7$+$7!"e(Brb_str_strlen()e$B$H$9$k;~$K$O!"e(B

str_strlen(str, STR_ENC_GET(str))

e$B$rJV$9e(B1e$B0z?t$N4X?t$K$9$k$Y$-$G$O!#e(BVALUEe$B$rM?$($F$$$k$N$Ke(B
encodinge$B$b30$+$iEO$9I,MW$O$J$$$G$7$g$&!#e(B

Kenta_M · January 11, 2010, 8:32am

e$B@.@%$G$9!#e(B

e$B%Q%C%A$,8m$C$F$$$^$7$?!"$3$l$@$1$G$9$M!#e(B

diff --git a/include/ruby/intern.h b/include/ruby/intern.h
index 14e23b8…116afa5 100644
— a/include/ruby/intern.h
+++ b/include/ruby/intern.h
@@ -662,6 +662,7 @@ VALUE rb_str_associated(VALUE);
void rb_str_setter(VALUE, ID, VALUE*);
VALUE rb_str_intern(VALUE);
VALUE rb_sym_to_s(VALUE);
+long rb_str_strlen(VALUE);
VALUE rb_str_length(VALUE);
long rb_str_offset(VALUE, long);
size_t rb_str_capacity(VALUE);
diff --git a/string.c b/string.c
index 2dcc330…78620b8 100644
— a/string.c
+++ b/string.c
@@ -1079,6 +1079,12 @@ str_strlen(VALUE str, rb_encoding *enc)
return n;
}

+long
+rb_str_strlen(VALUE str)
+{

return str_strlen(str, STR_ENC_GET(str));
+}

/*

call-seq:
```
str.length   => integer
```

Kenta_M · January 11, 2010, 8:27am

e$B@.@%$G$9!#e(B

(2010/01/11 16:17), Yukihiro M. wrote:

e$B8x3+$K$O;?@.$G$9!#$7$+$7!"e(Brb_str_strlen()e$B$H$9$k;~$K$O!"e(B

str_strlen(str, STR_ENC_GET(str))

e$B$rJV$9e(B1e$B0z?t$N4X?t$K$9$k$Y$-$G$O!#e(BVALUEe$B$rM?$($F$$$k$N$Ke(B
encodinge$B$b30$+$iEO$9I,MW$O$J$$$G$7$g$&!#e(B

e$B3N$+$K!"=$@5$7$^$7$?!#e(B

diff --git a/include/ruby/intern.h b/include/ruby/intern.h
index 14e23b8…116afa5 100644
— a/include/ruby/intern.h
+++ b/include/ruby/intern.h
@@ -662,6 +662,7 @@ VALUE rb_str_associated(VALUE);
void rb_str_setter(VALUE, ID, VALUE*);
VALUE rb_str_intern(VALUE);
VALUE rb_sym_to_s(VALUE);
+long rb_str_strlen(VALUE);
VALUE rb_str_length(VALUE);
long rb_str_offset(VALUE, long);
size_t rb_str_capacity(VALUE);
diff --git a/string.c b/string.c
index 2dcc330…a4a6122 100644
— a/string.c
+++ b/string.c
@@ -1079,6 +1079,12 @@ str_strlen(VALUE str, rb_encoding *enc)
return n;
}

+long
+rb_str_strlen(VALUE str)
+{

return rb_str_strlen(str, STR_ENC_GET(str));
+}

/*

call-seq:
```
str.length   => integer
```

@@ -1092,7 +1098,7 @@ rb_str_length(VALUE str)
{
long len;

len = str_strlen(str, STR_ENC_GET(str));

len = rb_str_strlen(str, STR_ENC_GET(str));
return LONG2NUM(len);
}

@@ -1573,11 +1579,11 @@ rb_str_substr(VALUE str, long beg, long len)
goto sub;
}
else {

```
 beg += str_strlen(str, enc);
```

 beg += rb_str_strlen(str, enc);
 if (beg < 0) return Qnil;

}
}

else if (beg > 0 && beg > str_strlen(str, enc)) {

else if (beg > 0 && beg > rb_str_strlen(str, enc)) {
return Qnil;
}
if (len == 0) {
@@ -2266,8 +2272,8 @@ rb_str_index(VALUE str, VALUE sub, long offset)
if (is_broken_string(sub)) {
return -1;
}

len = str_strlen(str, enc);
slen = str_strlen(sub, enc);

len = rb_str_strlen(str, enc);
slen = rb_str_strlen(sub, enc);
if (offset < 0) {
offset += len;
if (offset < 0) return -1;
@@ -2329,7 +2335,7 @@ rb_str_index_m(int argc, VALUE *argv, VALUE str)
pos = 0;
}
if (pos < 0) {

pos += str_strlen(str, STR_ENC_GET(str));

pos += rb_str_strlen(str, STR_ENC_GET(str));
if (pos < 0) {
if (TYPE(sub) == T_REGEXP) {
rb_backref_set(Qnil);
@@ -2340,7 +2346,7 @@ rb_str_index_m(int argc, VALUE *argv, VALUE str)

switch (TYPE(sub)) {
case T_REGEXP:

if (pos > str_strlen(str, STR_ENC_GET(str)))

if (pos > rb_str_strlen(str, STR_ENC_GET(str)))
return Qnil;
pos = str_offset(RSTRING_PTR(str), RSTRING_END(str), pos,
rb_enc_check(str, sub), single_byte_optimizable(str));
@@ -2382,8 +2388,8 @@ rb_str_rindex(VALUE str, VALUE sub, long pos)
if (is_broken_string(sub)) {
return -1;
}

len = str_strlen(str, enc);
slen = str_strlen(sub, enc);

len = rb_str_strlen(str, enc);
slen = rb_str_strlen(sub, enc);
/* substring longer than string */
if (len < slen) return -1;
if (len - pos < slen) {
@@ -2433,7 +2439,7 @@ rb_str_rindex_m(int argc, VALUE *argv, VALUE str)
VALUE sub;
VALUE vpos;
rb_encoding *enc = STR_ENC_GET(str);

long pos, len = str_strlen(str, enc);

long pos, len = rb_str_strlen(str, enc);

if (rb_scan_args(argc, argv, “11”, &sub, &vpos) == 2) {
pos = NUM2LONG(vpos);
@@ -2981,7 +2987,7 @@ rb_str_aref(VALUE str, VALUE indx)
long beg, len;
VALUE tmp;

 len = str_strlen(str, STR_ENC_GET(str));

```
 len = rb_str_strlen(str, STR_ENC_GET(str));
 switch (rb_range_beg_len(indx, &beg, &len, len, 0)) {
   case Qfalse:
```
break;
@@ -3136,7 +3142,7 @@ rb_str_splice(VALUE str, long beg, long len, VALUE
val)

StringValue(val);
enc = rb_enc_check(str, val);

slen = str_strlen(str, enc);

slen = rb_str_strlen(str, enc);

if (slen < beg) {
out_of_range:
@@ -3232,14 +3238,14 @@ rb_str_aset(VALUE str, VALUE indx, VALUE val)
rb_raise(rb_eIndexError, “string not matched”);
}
beg = rb_str_sublen(str, beg);

rb_str_splice(str, beg, str_strlen(indx, 0), val);

rb_str_splice(str, beg, rb_str_strlen(indx, 0), val);
return val;
```
default:
```
/* check if indx is Range */
{
long beg, len;

 if (rb_range_beg_len(indx, &beg, &len, str_strlen(str, 0), 2)) {

 if (rb_range_beg_len(indx, &beg, &len, rb_str_strlen(str, 0), 2))

{
rb_str_splice(str, beg, len, val);
return val;
}
@@ -6605,13 +6611,13 @@ rb_str_justify(int argc, VALUE *argv, VALUE str,
char jflag)
enc = rb_enc_check(str, pad);
f = RSTRING_PTR(pad);
flen = RSTRING_LEN(pad);

fclen = str_strlen(pad, enc);

fclen = rb_str_strlen(pad, enc);
singlebyte = single_byte_optimizable(pad);
if (flen == 0 || fclen == 0) {
rb_raise(rb_eArgError, “zero width padding”);
}
}

len = str_strlen(str, enc);

len = rb_str_strlen(str, enc);
if (width < 0 || len >= width) return rb_str_dup(str);
n = width - len;
llen = (jflag == ‘l’) ? 0 : ((jflag == ‘r’) ? n : n/2);
@@ -6829,7 +6835,7 @@ rb_str_rpartition(VALUE str, VALUE sep)
}
return rb_ary_new3(3, rb_str_substr(str, 0, pos),
sep,

rb_str_substr(str,pos+str_strlen(sep,STR_ENC_GET(sep)),RSTRING_LEN(str)));
+
rb_str_substr(str,pos+rb_str_strlen(sep,STR_ENC_GET(sep)),RSTRING_LEN(str)));
}

/*

Kenta_M · January 11, 2010, 5:14pm

e$B:XF#$H?=$7$^$9!#0l2p$Ne(Blibrubye$B%f!<%6!<$G$9!#e(B

e$B%?%$%_%s%0$,0-$/5DO@$KCY$l$F$7$^$$!"$4$a$s$J$5$$!#e(B

On Mon, 11 Jan 2010 16:35:19 +0900
Yukihiro M. [email protected] wrote:

e$B$=$&$G$9$M!#%3%_%C%H$7$F$/$@$5$$!#e(B

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e$B@h$[$I8+$?$H$3$m$K$h$k$H!“e(Brb_str_length()e$B$H$$$&!“e(Brb_str_strlen()e$B$K$H$F$bNI$/;w$?e(B
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e$B$h$j@53N$r4|$9$H!"e(Brb_str_length(str)e$B$He(BLONG2NUM(rb_str_strlen(str))e$B$OEy2A$J$h$&e(B
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e$B;?@.$G$9!#e(B

Kenta_M · January 11, 2010, 8:35am

e$B$^$D$b$He(B e$B$f$-$R$m$G$9e(B

In message “Re: [ruby-dev:40033] Re: [Feature #2571]
e$BJ8;zNs$N%O%_%s%05wN%e(B”
on Mon, 11 Jan 2010 16:32:21 +0900, “NARUSE, Yui”
[email protected] writes:

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e$B$=$&$G$9$M!#%3%_%C%H$7$F$/$@$5$$!#e(B

Kenta_M · January 11, 2010, 7:50pm

e$B$^$D$b$He(B e$B$f$-$R$m$G$9e(B

In message “Re: [ruby-dev:40038] str_strlen() e$B$N8x3+L>e(B (was Re:
Re: [Feature #2571] e$BJ8;zNs$N%O%_%s%05wN%e(B)”
on Tue, 12 Jan 2010 01:14:08 +0900, Tadashi S.
[email protected] writes:

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|
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Ce$B$+$iD>@\8F$S=P$5$l$k4X?te(B(e$B$G$"$k$+$ie(Blonge$B$rJV$9e(B)e$B$3$H$rA[5/$5$;e(B
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e$B@EE*7?8@8l$C$FAG@2$i$7$$e(B(e$B6l>Pe(B

Kenta_M · January 12, 2010, 2:20am

e$B@.@%$G$9!#e(B

2010/1/12 Yukihiro M. [email protected]:

e$B$^$:!“e(Brb_str_lengthe$B$He(Brb_str_strlene$B$N:.F1$N2DG=@-$,$”$k$3$H$O!“e(B
e$B$”$kDxEYG’$a$^$9!#$7$+$7!“BeBX$G$”$ke(B

e$B$3$l$K4X$7$F$Oe(B libc e$B$N4X?tL>$J$N$G$$$$$+$J$H;W$C$F$$$^$9!#e(B

e$B$5$F$$-!"e(Bstring e$B$de(B encoding e$BMm$_$N4X?t$Oe(B rb_encoding
e$B$r$H$k$s$@$+!"$+$J$j:.Mp$7$?$j$O$7$^$7$?!#e(B
e$B35$M!“0z?t$,e(BVALUEe$B$+H]$+!“La$jCM$,e(BVALUEe$B$+H]$+$Ge(B4e$BDL$j$K$J$k$N$G!“e(B
e$B$$$$L?L>5,B’$,$”$l$P$$$$$J$!$H;W$C$?$j$O$7$^$9!#e(B
VALUE rbvv_str_length(VALUE);
long rbvc_str_length(VALUE);
e$B$J$I$HLQA[$7$?$j$7$D$D!”$3$l$b$J$s$+$J$!!”$H$+!#e(B

Kenta_M · March 17, 2010, 3:31pm

e$B%A%1%C%He(B #2571 e$B$,99?7$5$l$^$7$?!#e(B (by Yusuke E.)

e$B%9%F!<%?%9e(B Opene$B$+$ie(BClosede$B$KJQ99e(B

e$B1sF#$G$9!#e(B

e$BK\7o$ODs0F<T$Ne(B mrkn e$B$5$s$,0lC6<h$j2<$2$?$h$&$J$N$Ge(B
([ruby-dev:40028]) e$B!"e(B
closed e$B$H$7$^$9!#e(B

–
Yusuke E. [email protected]

http://redmine.ruby-lang.org/issues/show/2571

[Feature #2571] $BJ8;zNs$N%O%_%s%05wN%(B

e$B%F%-%9%H=hM}8@8l$J$N$@$+$i!"e(Btextutils e$B$_$?$$$J%i%$%V%i%j$,E:IU$5$l$F$$$F$b$$$$5$$O$7$^$9$,!"e(B e$BBEEv$K8+$($k%f!<%9%1!<%9$,$J$$$HFq$7$$$N$G$O$J$$$G$7$g$&$+!#e(B

e$B$"$s$^$j$J$$$b$N$G$9$M!#e(B

– Yusuke E. [email protected]

[Feature #2571] $BJ8;zNs$N%O%_%s%05wN%(B

e$B%F%-%9%H=hM}8@8l$J$N$@$+$i!"e(Btextutils
e$B$_$?$$$J%i%$%V%i%j$,E:IU$5$l$F$$$F$b$$$$5$$O$7$^$9$,!"e(B
e$BBEEv$K8+$($k%f!<%9%1!<%9$,$J$$$HFq$7$$$N$G$O$J$$$G$7$g$&$+!#e(B

–
Yusuke E. [email protected]