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* sprintf.c (rb_str_format): add RB_GC_GUARD to prevent temporary

  strings from GC.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33021 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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commit 9c038691e1aaf184066f0c355835d9e87a4e57b4 1 parent 729ad0b
@nagachika nagachika authored
Showing with 11 additions and 2 deletions.
  1. +5 −0 ChangeLog
  2. +6 −2 sprintf.c
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5 ChangeLog
@@ -1,3 +1,8 @@
+Mon Aug 22 23:43:33 2011 CHIKANAGA Tomoyuki <nagachika00@gmail.com>
+
+ * sprintf.c (rb_str_format): add RB_GC_GUARD to prevent temporary
+ strings from GC.
+
Sun Aug 21 17:49:53 2011 Kazuki Tsujimoto <kazuki@callcc.net>
* iseq.c (iseq_s_disasm): remove variable which is no longer used
View
8 sprintf.c
@@ -641,6 +641,7 @@ rb_str_format(int argc, const VALUE *argv, VALUE fmt)
rb_raise(rb_eArgError, "%%c requires a character");
}
c = rb_enc_codepoint_len(RSTRING_PTR(tmp), RSTRING_END(tmp), &n, enc);
+ RB_GC_GUARD(tmp);
}
else {
c = NUM2INT(val);
@@ -711,6 +712,7 @@ rb_str_format(int argc, const VALUE *argv, VALUE fmt)
}
CHECK(len);
memcpy(&buf[blen], RSTRING_PTR(str), len);
+ RB_GC_GUARD(str);
blen += len;
if (flags&FMINUS) {
CHECK(width);
@@ -723,6 +725,7 @@ rb_str_format(int argc, const VALUE *argv, VALUE fmt)
}
}
PUSH(RSTRING_PTR(str), len);
+ RB_GC_GUARD(str);
rb_enc_associate(result, enc);
}
break;
@@ -736,7 +739,6 @@ rb_str_format(int argc, const VALUE *argv, VALUE fmt)
case 'B':
case 'u':
{
- volatile VALUE tmp1;
volatile VALUE val = GETARG();
char fbuf[32], nbuf[64], *s;
const char *prefix = 0;
@@ -887,7 +889,7 @@ rb_str_format(int argc, const VALUE *argv, VALUE fmt)
val = rb_big_clone(val);
rb_big_2comp(val);
}
- tmp1 = tmp = rb_big2str0(val, base, RBIGNUM_SIGN(val));
+ tmp = rb_big2str0(val, base, RBIGNUM_SIGN(val));
s = RSTRING_PTR(tmp);
if (*s == '-') {
dots = 1;
@@ -981,6 +983,7 @@ rb_str_format(int argc, const VALUE *argv, VALUE fmt)
}
}
PUSH(s, len);
+ RB_GC_GUARD(tmp);
CHECK(width);
while (width-- > 0) {
buf[blen++] = ' ';
@@ -1065,6 +1068,7 @@ rb_str_format(int argc, const VALUE *argv, VALUE fmt)
}
sprint_exit:
+ RB_GC_GUARD(fmt);
/* XXX - We cannot validate the number of arguments if (digit)$ style used.
*/
if (posarg >= 0 && nextarg < argc) {
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