e$B0J2<$N$h$&$K$9$k$He(B SEGV e$B$7$^$9!#e(B
% ./ruby -ve ‘p “abcd\xf0”.force_encoding(“utf-8”).reverse’
ruby 1.9.0 (2007-12-04 patchlevel 0) [i686-linux]
-e:1: – control frame ----------
c:0004 p:---- s:0009 b:0009 l:000008 d:000008 CFUNC 
c:0003 p:0023 s:0005 b:0005 l:000004 d:000004 TOP -e:1
c:0002 p:---- s:0003 b:0003 l:000002 d:000002 FINISH :inherited
c:0001 p:---- s:0001 b:-001 l:000000 d:000000 ------
DBG> : “-e:1:in `’”
– backtrace of native function call (Use addr2line) –
0x8102232
0x812141c
0x81214bb
0x80ca351
0xb7f23440
0x8058f8d
0x805c6e5
0x805c92b
0x805cb9d
0x807e8cb
0x806fb90
0x806fbec
0x80f8361
0x80ffc66
0x80ff7da
0x80fc1a1
0x80ffe3f
0x8100484
0x805aadd
0x805ab8c
0x8057d74
0xb7d84ea8
0x8057c91
e$B$J$+$@$G$9!#e(B
At Tue, 4 Dec 2007 15:29:09 +0900,
Tanaka A. wrote in [ruby-dev:32448]:
e$B0J2<$N$h$&$K$9$k$He(B SEGV e$B$7$^$9!#e(B
% ./ruby -ve ‘p “abcd\xf0”.force_encoding(“utf-8”).reverse’
ruby 1.9.0 (2007-12-04 patchlevel 0) [i686-linux]
[BUG] Segmentation fault
ruby 1.9.0 (2007-12-04) [i686-linux]
e$B$I$&$J$k$N$,$$$$$s$G$7$g$&$M!#Nc30e(B?
Index: string.c
— string.c (revision 14096)
+++ string.c (working copy)
@@ -2709,4 +2709,5 @@ rb_str_reverse(VALUE str)
VALUE obj;
char *s, *e, *p;
-
int cr;
if (RSTRING_LEN(str) <= 1) return rb_str_dup(str);
@@ -2716,6 +2717,7 @@ rb_str_reverse(VALUE str)
p = RSTRING_END(obj);
-
cr = ENC_CODERANGE(str);
if (RSTRING_LEN(str) > 1) {
- if (rb_enc_mbmaxlen(enc) == 1) {
- if (rb_enc_mbmaxlen(enc) == 1 || cr == ENC_CODERANGE_7BIT) {
while (s < e) {
*–p = *s++;
@@ -2726,6 +2728,16 @@ rb_str_reverse(VALUE str)
int clen = rb_enc_mbclen(s, e, enc);
+#if !RAISE_ON_REVERSING_BROKEN_CHAR
+#endif
-
case 0:
rb_raise(rb_eArgError, "invalid mbstring sequence");
-
case 1:
-
*--p = *s++;
-
continue;
}
p -= clen;
@@ -2738,4 +2750,5 @@ rb_str_reverse(VALUE str)
OBJ_INFECT(obj, str);
rb_enc_associate(obj, enc);
-
ENC_CODERANGE_SET(obj, cr);
return obj;
In article [email protected],
Nobuyoshi N. [email protected] writes:
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e$B5A$7$J$*$9$H$$$&$+!#e(B
At 21:10 07/12/04, Tanaka A. wrote:
e$B5A$7$J$$9$H$$$&$+!#e(B
e$B$=$&$G$9$M!#e(BRuby
e$B%W%m%0%i%^$+$i8+$k$H!“!V$3$N4X?t$O%(%s%3!<%G%#%s%0e(B
e$B$r%A%'%C%/e(B (validate)
e$B$7$F$$$k!W!”!V$3$N4X?t$O%A%'%/$7$F$J$$!We(B
e$B$HJ,$+$k$H$"$j$,$?$$5$$,$7$^$9!#%(%s%3!<%G%#%s%0$K$h$C$F!"e(B
e$B6qBNE$JCM$d>l=j$K$h$C$F?6$kIq$$$,0c$&$H$J$+$J$+BP1~$,Fq$7$$$H;W$$$^$9!#e(B
e$B59$7$/!"e(B Martin.
#-#-# Martin J. Du"rst, Assoc. Professor, Aoyama Gakuin University
#-#-# http://www.sw.it.aoyama.ac.jp mailto:[email protected]
