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* io.c (read_all): block string buffer modification during

Browse source 
rb_io_fread() by freezing it temporarily. [ruby-dev:24479]

* dir.c (rb_push_glob): block call at once the end of method.
  [ruby-dev:24487]

* ext/enumerator/enumerator.c (enum_each_slice): remove
  rb_gc_force_recycle() to prevent potential SEGV.
  [ruby-dev:24499]

* ext/zlib/zlib.c (zstream_expand_buffer): hide internal string
  buffer by clearing klass.  [ruby-dev:24510]

* ext/socket/socket.c (sock_s_getservbyaname): protocol string
  might be altered.  [ruby-dev:24503]

* string.c (rb_str_upto): check if return value from succ is a
  string.  [ruby-dev:24504]

* io.c (rb_io_popen): get mode string via rb_io_flags_mode() to
  avoid mode string modification.  [ruby-dev:24454]

* io.c (rb_io_getline_fast): should take delim as unsigned char to
  distinguish EOF and '\377'.  [ruby-dev:24460]

* io.c (rb_io_getline): add check for RS modification.
  [ruby-dev:24461]

* enum.c (enum_sort_by): use qsort() directly instead using
  rb_iterate().  [ruby-dev:24462]

* enum.c (enum_each_with_index): remove rb_gc_force_recycle() to
  prevent access to recycled object (via continuation for
  example).  [ruby-dev:24463]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@7071 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
matz 2004-10-19 10:25:23 +00:00
parent dd09dfe3f0
commit 860bdc3b61
19 changed files with 131 additions and 131 deletions
Download patch file Download diff file Expand all files Collapse all files

46
ChangeLog
View file

@ -1,3 +1,18 @@
Tue Oct 19 17:24:11 2004 Yukihiro Matsumoto <matz@ruby-lang.org>
* io.c (read_all): block string buffer modification during
rb_io_fread() by freezing it temporarily. [ruby-dev:24479]
* dir.c (rb_push_glob): block call at once the end of method.
[ruby-dev:24487]
* ext/enumerator/enumerator.c (enum_each_slice): remove
rb_gc_force_recycle() to prevent potential SEGV.
[ruby-dev:24499]
* ext/zlib/zlib.c (zstream_expand_buffer): hide internal string
buffer by clearing klass. [ruby-dev:24510]
Tue Oct 19 16:12:18 2004 Hidetoshi NAGAI <nagai@ai.kyutech.ac.jp>
* ext/tk/tkutil.c: backport from CVS HEAD
@ -157,6 +172,14 @@ Thu Oct 7 12:55:04 2004 Yukihiro Matsumoto <matz@ruby-lang.org>
switch. [ruby-dev:24442]
* pack.c (pack_unpack): string conversion should at the top of the
Mon Oct 18 00:42:45 2004 Yukihiro Matsumoto <matz@ruby-lang.org>
* ext/socket/socket.c (sock_s_getservbyaname): protocol string
might be altered. [ruby-dev:24503]
* string.c (rb_str_upto): check if return value from succ is a
string. [ruby-dev:24504]
method. [ruby-dev:24439]
* io.c (io_read): buffer should be frozen only after the length
@ -246,6 +269,24 @@ Sat Oct 2 00:42:20 2004 Yukihiro Matsumoto <matz@ruby-lang.org>
[ruby-dev:24383]
* string.c (rb_str_sum): string may be altered. [ruby-dev:24381]
Mon Oct 11 17:51:34 2004 Yukihiro Matsumoto <matz@ruby-lang.org>
* io.c (rb_io_popen): get mode string via rb_io_flags_mode() to
avoid mode string modification. [ruby-dev:24454]
* io.c (rb_io_getline_fast): should take delim as unsigned char to
distinguish EOF and '\377'. [ruby-dev:24460]
* io.c (rb_io_getline): add check for RS modification.
[ruby-dev:24461]
* enum.c (enum_sort_by): use qsort() directly instead using
rb_iterate(). [ruby-dev:24462]
* enum.c (enum_each_with_index): remove rb_gc_force_recycle() to
prevent access to recycled object (via continuation for
example). [ruby-dev:24463]
Fri Oct 1 11:40:14 2004 Yukihiro Matsumoto <matz@ruby-lang.org>
@ -277,6 +318,11 @@ Fri Oct 1 11:25:20 2004 Hidetoshi NAGAI <nagai@ai.kyutech.ac.jp>
Thu Sep 30 00:50:44 2004 Hidetoshi NAGAI <nagai@ai.kyutech.ac.jp>
Sat Oct 9 00:25:39 2004 Tanaka Akira <akr@m17n.org>
* io.c (rb_io_fread): rb_thread_wait_fd() was lost.
[ruby-dev:24457]
* ext/tcltklib/tcltklib.c (ip_init): bug fix
* ext/tk/tkutil.c (get_eval_string_core): accept a Regexp object

19
dir.c
View file

@ -1119,14 +1119,7 @@ push_pattern(path, ary)
const char *path;
VALUE ary;
{
VALUE str = rb_tainted_str_new2(path);
if (ary) {
rb_ary_push(ary, str);
}
else {
rb_yield(str);
}
rb_ary_push(ary, rb_tainted_str_new2(path));
}
static int
@ -1209,11 +1202,7 @@ rb_push_glob(str, flags)
int noescape = flags & FNM_NOESCAPE;
VALUE ary;
if (rb_block_given_p())
ary = 0;
else
ary = rb_ary_new();
ary = rb_ary_new();
SafeStringValue(str);
buf = xmalloc(RSTRING(str)->len + 1);
@ -1248,6 +1237,10 @@ rb_push_glob(str, flags)
if (status) rb_jump_tag(status);
if (rb_block_given_p()) {
rb_ary_each(ary);
return Qnil;
}
return ary;
}

29
enum.c
View file

@ -117,11 +117,8 @@ enum_find(argc, argv, obj)
rb_scan_args(argc, argv, "01", &if_none);
rb_iterate(rb_each, obj, find_i, (VALUE)memo);
if (memo->u2.value) {
VALUE result = memo->u1.value;
rb_gc_force_recycle((VALUE)memo);
return result;
return memo->u1.value;
}
rb_gc_force_recycle((VALUE)memo);
if (!NIL_P(if_none)) {
return rb_funcall(if_none, rb_intern("call"), 0, 0);
}
@ -319,7 +316,6 @@ enum_inject(argc, argv, obj)
}
rb_iterate(rb_each, obj, inject_i, (VALUE)memo);
n = memo->u1.value;
rb_gc_force_recycle((VALUE)memo);
return n;
}
@ -398,17 +394,14 @@ sort_by_i(i, ary)
return Qnil;
}
static VALUE
sort_by_cmp(values, ary)
VALUE values, ary;
static int
sort_by_cmp(aa, bb)
NODE **aa, **bb;
{
NODE *a = (NODE*)RARRAY(values)->ptr[0];
NODE *b = (NODE*)RARRAY(values)->ptr[1];
VALUE a = aa[0]->u1.value;
VALUE b = bb[0]->u1.value;
/* pedantic check; they must be memo nodes */
Check_Type(a, T_NODE);
Check_Type(b, T_NODE);
return rb_funcall(a->u1.value, id_cmp, 1, b->u1.value);
return rb_cmpint(rb_funcall(a, id_cmp, 1, b), a, b);
}
/*
@ -495,7 +488,7 @@ enum_sort_by(obj)
}
rb_iterate(rb_each, obj, sort_by_i, ary);
if (RARRAY(ary)->len > 1) {
rb_iterate(rb_ary_sort_bang, ary, sort_by_cmp, ary);
qsort(RARRAY(ary)->ptr, RARRAY(ary)->len, sizeof(VALUE), sort_by_cmp, 0);
}
for (i=0; i<RARRAY(ary)->len; i++) {
RARRAY(ary)->ptr[i] = RNODE(RARRAY(ary)->ptr[i])->u2.value;
@ -554,7 +547,6 @@ enum_all(obj)
memo->u1.value = Qtrue;
rb_iterate(rb_each, obj, rb_block_given_p() ? all_iter_i : all_i, (VALUE)memo);
result = memo->u1.value;
rb_gc_force_recycle((VALUE)memo);
return result;
}
@ -610,7 +602,6 @@ enum_any(obj)
memo->u1.value = Qfalse;
rb_iterate(rb_each, obj, rb_block_given_p() ? any_iter_i : any_i, (VALUE)memo);
result = memo->u1.value;
rb_gc_force_recycle((VALUE)memo);
return result;
}
@ -676,7 +667,6 @@ enum_min(obj)
rb_iterate(rb_each, obj, rb_block_given_p() ? min_ii : min_i, (VALUE)memo);
result = memo->u1.value;
rb_gc_force_recycle((VALUE)memo);
return result;
}
@ -755,7 +745,6 @@ enum_max(obj)
rb_iterate(rb_each, obj, rb_block_given_p() ? max_ii : max_i, (VALUE)memo);
result = memo->u1.value;
rb_gc_force_recycle((VALUE)memo);
return result;
}
@ -793,7 +782,6 @@ enum_member(obj, val)
rb_iterate(rb_each, obj, member_i, (VALUE)memo);
result = memo->u2.value;
rb_gc_force_recycle((VALUE)memo);
return result;
}
@ -829,7 +817,6 @@ enum_each_with_index(obj)
NODE *memo = rb_node_newnode(NODE_MEMO, 0, 0, 0);
rb_iterate(rb_each, obj, each_with_index_i, (VALUE)memo);
rb_gc_force_recycle((VALUE)memo);
return obj;
}

9
eval.c
View file

@ -7790,11 +7790,6 @@ blk_copy_prev(block)
while (block->prev) {
tmp = ALLOC_N(struct BLOCK, 1);
MEMCPY(tmp, block->prev, struct BLOCK, 1);
if (tmp->frame.argc > 0) {
tmp->frame.argv = ALLOC_N(VALUE, tmp->frame.argc);
MEMCPY(tmp->frame.argv, block->prev->frame.argv, VALUE, tmp->frame.argc);
tmp->frame.flags |= FRAME_MALLOC;
}
scope_dup(tmp->scope);
frame_dup(&tmp->frame);
@ -8266,8 +8261,8 @@ proc_eq(self, other)
*/
static VALUE
proc_to_s(self, other)
VALUE self, other;
proc_to_s(self)
VALUE self;
{
struct BLOCK *data;
NODE *node;

2
ext/bigdecimal/bigdecimal.c
View file

@ -579,7 +579,7 @@ BigDecimal_ge(VALUE self, VALUE r)
}
static VALUE
BigDecimal_neg(VALUE self, VALUE r)
BigDecimal_neg(VALUE self)
{
ENTER(5);
Real *c, *a;

2
ext/dbm/dbm.c
View file

@ -768,7 +768,7 @@ Init_dbm()
rb_define_method(rb_cDBM, "index", fdbm_index, 1);
rb_define_method(rb_cDBM, "indexes", fdbm_indexes, -1);
rb_define_method(rb_cDBM, "indices", fdbm_indexes, -1);
rb_define_method(rb_cDBM, "select", fdbm_select, -1);
rb_define_method(rb_cDBM, "select", fdbm_select, 0);
rb_define_method(rb_cDBM, "values_at", fdbm_values_at, -1);
rb_define_method(rb_cDBM, "length", fdbm_length, 0);
rb_define_method(rb_cDBM, "size", fdbm_length, 0);

3
ext/enumerator/enumerator.c
View file

@ -70,7 +70,6 @@ enum_each_slice(obj, n)
ary = memo->u1.value;
if (RARRAY(ary)->len > 0) rb_yield(ary);
rb_gc_force_recycle((VALUE)memo);
return Qnil;
}
@ -114,7 +113,6 @@ enum_each_cons(obj, n)
rb_iterate(rb_each, obj, each_cons_i, (VALUE)memo);
rb_gc_force_recycle((VALUE)memo);
return Qnil;
}
@ -163,7 +161,6 @@ enumerator_each(obj)
rb_to_id(rb_ivar_get(obj, id_enum_method)),
rb_ivar_get(obj, id_enum_args));
val = rb_iterate((VALUE (*)_((VALUE)))enumerator_iter, obj, rb_yield, 0);
rb_gc_force_recycle(obj);
return val;
}

16
ext/socket/socket.c
View file

@ -2130,27 +2130,25 @@ sock_s_getservbyaname(argc, argv)
int argc;
VALUE *argv;
{
VALUE service, protocol;
char *proto;
VALUE service, proto;
struct servent *sp;
int port;
rb_scan_args(argc, argv, "11", &service, &protocol);
if (NIL_P(protocol)) proto = "tcp";
else proto = StringValuePtr(protocol);
rb_scan_args(argc, argv, "11", &service, &proto);
if (NIL_P(proto)) proto = rb_str_new2("tcp");
else StringValue(proto);
StringValue(service);
sp = getservbyname((char*)RSTRING(service)->ptr, proto);
sp = getservbyname((char*)RSTRING(service)->ptr, RSTRING(proto)->ptr);
if (sp) {
port = ntohs(sp->s_port);
}
else {
char *s = RSTRING(service)->ptr;
char *s = StringValuePtr(service);
char *end;
port = strtoul(s, &end, 0);
if (*end != '\0') {
rb_raise(rb_eSocket, "no such service %s/%s", s, proto);
rb_raise(rb_eSocket, "no such service %s/%s", s, RSTRING(proto)->ptr);
}
}
return INT2FIX(port);

3
ext/zlib/zlib.c
View file

@ -437,6 +437,7 @@ zstream_expand_buffer(z)
z->buf_filled = 0;
z->stream.next_out = RSTRING(z->buf)->ptr;
z->stream.avail_out = ZSTREAM_INITIAL_BUFSIZE;
RBASIC(z->buf)->klass = 0;
return;
}
@ -3276,7 +3277,7 @@ void Init_zlib()
cZStream = rb_define_class_under(mZlib, "ZStream", rb_cObject);
rb_undef_alloc_func(cZStream);
rb_define_method(cZStream, "avail_out", rb_zstream_avail_out, 0);
rb_define_method(cZStream, "avail_out=", rb_zstream_set_avail_out, 0);
rb_define_method(cZStream, "avail_out=", rb_zstream_set_avail_out, 1);
rb_define_method(cZStream, "avail_in", rb_zstream_avail_in, 0);
rb_define_method(cZStream, "total_in", rb_zstream_total_in, 0);
rb_define_method(cZStream, "total_out", rb_zstream_total_out, 0);

36
io.c
View file

@ -941,6 +941,7 @@ rb_io_fread(ptr, len, f)
if (len > n) {
clearerr(f);
}
rb_thread_wait_fd(fileno(f));
}
if (len == n) return 0;
}
@ -994,7 +995,6 @@ read_all(fptr, siz, str)
long bytes = 0;
long n;
READ_CHECK(fptr->f);
if (siz == 0) siz = BUFSIZ;
if (NIL_P(str)) {
str = rb_tainted_str_new(0, siz);
@ -1004,7 +1004,10 @@ read_all(fptr, siz, str)
rb_str_resize(str, siz);
}
for (;;) {
FL_SET(str, FL_FREEZE);
READ_CHECK(fptr->f);
n = rb_io_fread(RSTRING(str)->ptr+bytes, siz-bytes, fptr->f);
FL_UNSET(str, FL_FREEZE);
if (n == 0 && bytes == 0) {
rb_str_resize(str,0);
if (!fptr->f) break;
@ -1232,7 +1235,7 @@ swallow(fptr, term)
static VALUE
rb_io_getline_fast(fptr, delim)
OpenFile *fptr;
int delim;
unsigned char delim;
{
VALUE str = Qnil;
int c;
@ -1248,6 +1251,17 @@ rb_io_getline_fast(fptr, delim)
return str;
}
static int
rscheck(rsptr, rslen, rs)
char *rsptr;
long rslen;
VALUE rs;
{
if (RSTRING(rs)->ptr != rsptr && RSTRING(rs)->len != rslen)
rb_raise(rb_eRuntimeError, "rs modified");
return 1;
}
static VALUE
rb_io_getline(rs, fptr)
VALUE rs;
@ -1287,6 +1301,7 @@ rb_io_getline(rs, fptr)
while ((c = appendline(fptr, newline, &str)) != EOF &&
(c != newline || RSTRING(str)->len < rslen ||
(rspara || rscheck(rsptr,rslen,rs)) ||
memcmp(RSTRING(str)->ptr+RSTRING(str)->len-rslen,rsptr,rslen)));
if (rspara) {
@ -2148,9 +2163,8 @@ rb_io_binmode(io)
}
char*
rb_io_flags_mode(flags, mode)
rb_io_flags_mode(flags)
int flags;
char *mode;
{
#ifdef O_BINARY
# define MODE_BINMODE(a,b) ((flags & FMODE_BINMODE) ? (b) : (a))
@ -2234,6 +2248,9 @@ rb_io_modenum_flags(mode)
if (mode & O_APPEND) {
flags |= FMODE_APPEND;
}
if (mode & O_CREAT) {
flags |= FMODE_CREATE;
}
#ifdef O_BINARY
if (mode & O_BINARY) {
flags |= FMODE_BINMODE;
@ -2407,13 +2424,12 @@ rb_file_open_internal(io, fname, mode)
const char *fname, *mode;
{
OpenFile *fptr;
char mbuf[MODENUM_MAX];
MakeOpenFile(io, fptr);
fptr->mode = rb_io_mode_flags(mode);
fptr->path = strdup(fname);
fptr->f = rb_fopen(fptr->path, rb_io_flags_mode(fptr->mode, mbuf));
fptr->f = rb_fopen(fptr->path, rb_io_flags_mode(fptr->mode));
return io;
}
@ -2708,7 +2724,6 @@ rb_io_popen(str, argc, argv, klass)
{
char *mode;
VALUE pname, pmode, port;
char mbuf[MODENUM_MAX];
if (rb_scan_args(argc, argv, "11", &pname, &pmode) == 1) {
mode = "r";
@ -2717,9 +2732,7 @@ rb_io_popen(str, argc, argv, klass)
mode = rb_io_modenum_mode(FIX2INT(pmode));
}
else {
strncpy(mbuf, StringValuePtr(pmode), sizeof(mbuf) - 1);
mbuf[sizeof(mbuf) - 1] = 0;
mode = mbuf;
mode = rb_io_flags_mode(rb_io_mode_flags(StringValuePtr(pmode)));
}
SafeStringValue(pname);
port = pipe_open(str, mode);
@ -3982,7 +3995,7 @@ next_argv()
if (binmode) rb_io_binmode(current_file);
}
else {
init_p = 0;
next_p = 1;
return Qfalse;
}
}
@ -4945,7 +4958,6 @@ argf_read(argc, argv)
retry:
if (!next_argv()) {
if (NIL_P(str)) return rb_str_new(0,0);
return str;
}
if (TYPE(current_file) != T_FILE) {

6
lib/cgi/session/pstore.rb
View file

@ -76,11 +76,7 @@ class CGI
def restore
unless @hash
@p.transaction do
begin
@hash = @p['hash']
rescue
@hash = {}
end
@hash = @p['hash'] || {}
end
end
@hash

9
lib/delegate.rb
View file

@ -75,6 +75,11 @@ class SimpleDelegator<Delegator
def __setobj__(obj)
@_sd_obj = obj
end
def initialize_copy(obj)
super
__setobj__(obj.__getobj__.clone)
end
end
# backward compatibility ^_^;;;
@ -103,6 +108,10 @@ def DelegateClass(superclass)
def __setobj__(obj)
@_dc_obj = obj
end
def initialize_copy(obj)
super
__setobj__(obj.__getobj__.clone)
end
}
for method in methods
begin

10
lib/tempfile.rb
View file

@ -111,8 +111,14 @@ class Tempfile < DelegateClass(File)
# file.
def unlink
# keep this order for thread safeness
File.unlink(@tmpname) if File.exist?(@tmpname)
@@cleanlist.delete(@tmpname) if @@cleanlist
begin
File.unlink(@tmpname) if File.exist?(@tmpname)
@@cleanlist.delete(@tmpname)
@data = @tmpname = nil
ObjectSpace.undefine_finalizer(self)
rescue Errno::EACCESS
# may not be able to unlink on Windows; just ignore
end
end
alias delete unlink

2
lib/xsd/charset.rb
View file

@ -103,7 +103,7 @@ public
end
def Charset.charset_str(label)
CharsetMap.index(label.downcase)
CharsetMap.key(label.downcase)
end
# us_ascii = '[\x00-\x7F]'

4
object.c
View file

@ -1076,8 +1076,8 @@ rb_false(obj)
*/
static VALUE
rb_obj_pattern_match(obj)
VALUE obj;
rb_obj_pattern_match(obj1, obj2)
VALUE obj1, obj2;
{
return Qfalse;
}

60
range.c
View file

@ -230,13 +230,10 @@ str_step(args)
return rb_str_upto(args[0], args[1], EXCL(args[2]));
}
#define RANGE_EACH_BREAK Qfalse
#define RANGE_EACH_CONTINUE Qtrue
static void
range_each_func(range, func, v, e, arg)
VALUE range;
VALUE (*func) _((VALUE, void*));
void (*func) _((VALUE, void*));
VALUE v, e;
void *arg;
{
@ -244,13 +241,13 @@ range_each_func(range, func, v, e, arg)
if (EXCL(range)) {
while (r_lt(v, e)) {
if ((*func)(v, arg) == RANGE_EACH_BREAK) break;
(*func)(v, arg);
v = rb_funcall(v, id_succ, 0, 0);
}
}
else {
while (RTEST(c = r_le(v, e))) {
if ((*func)(v, arg) == RANGE_EACH_BREAK) break;
(*func)(v, arg);
if (c == INT2FIX(0)) break;
v = rb_funcall(v, id_succ, 0, 0);
}
@ -267,7 +264,7 @@ step_i(i, iter)
rb_yield(i);
iter[0] = iter[1];
}
return RANGE_EACH_CONTINUE;
return Qnil;
}
/*
@ -367,13 +364,12 @@ range_step(argc, argv, range)
return range;
}
static VALUE
static void
each_i(v, arg)
VALUE v;
void *arg;
{
rb_yield(v);
return RANGE_EACH_CONTINUE;
}
/*
@ -554,49 +550,11 @@ range_inspect(range)
return str;
}
static VALUE
member_i(v, args)
VALUE v;
VALUE *args;
{
if (rb_equal(v, args[0])) {
args[1] = Qtrue;
return RANGE_EACH_BREAK;
}
return RANGE_EACH_CONTINUE;
}
/*
* call-seq:
* rng.member?(val) => true or false
*
* Return +true+ if _val_ is one of the values in _rng_ (that is if
* <code>Range#each</code> would return _val_ at some point).
*/
static VALUE
range_member(range, val)
VALUE range, val;
{
VALUE beg, end;
VALUE args[2];
beg = rb_ivar_get(range, id_beg);
end = rb_ivar_get(range, id_end);
if (!rb_respond_to(beg, id_succ)) {
rb_raise(rb_eTypeError, "cannot iterate from %s",
rb_obj_classname(beg));
}
args[0] = val;
args[1] = Qfalse;
range_each_func(range, member_i, beg, end, args);
return args[1];
}
/*
* call-seq:
* rng === obj => true or false
* rng === obj => true or false
* rng.member?(val) => true or false
* rng.include?(val) => true or false
*
* Returns <code>true</code> if <i>obj</i> is an element of
* <i>rng</i>, <code>false</code> otherwise. Conveniently,
@ -707,7 +665,7 @@ Init_Range()
rb_define_method(rb_cRange, "exclude_end?", range_exclude_end_p, 0);
rb_define_method(rb_cRange, "member?", range_member, 1);
rb_define_method(rb_cRange, "member?", range_include, 1);
rb_define_method(rb_cRange, "include?", range_include, 1);
id_cmp = rb_intern("<=>");

4
re.c
View file

@ -1709,7 +1709,7 @@ rb_reg_initialize_m(argc, argv, self)
s = StringValuePtr(argv[0]);
len = RSTRING(argv[0])->len;
}
rb_reg_initialize(self, s, len, flags);
rb_reg_initialize(self, s, len, flags, Qtrue);
return self;
}
@ -1983,7 +1983,7 @@ rb_reg_init_copy(copy, re)
}
rb_reg_check(re);
rb_reg_initialize(copy, RREGEXP(re)->str, RREGEXP(re)->len,
rb_reg_options(re));
rb_reg_options(re), Qfalse);
return copy;
}

1
rubyio.h
View file

@ -30,6 +30,7 @@ typedef struct OpenFile {
#define FMODE_WRITABLE 2
#define FMODE_READWRITE 3
#define FMODE_APPEND 64
#define FMODE_CREATE 128
#define FMODE_BINMODE 4
#define FMODE_SYNC 8
#define FMODE_WBUF 16

1
string.c
View file

@ -1410,6 +1410,7 @@ rb_str_upto(beg, end, excl)
current = rb_funcall(current, succ, 0, 0);
StringValue(current);
if (excl && rb_str_equal(current, end)) break;
StringValue(current);
if (RSTRING(current)->len > RSTRING(end)->len)
break;
}