* io.c (io_read): [ruby-dev:24952]

* configure.in, io.c: cancel [ ruby-Patches-1074 ].


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@7361 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
matz 2004-11-23 17:37:51 +00:00
Родитель 140a9e7be3
Коммит 0f2fdc6978
3 изменённых файлов: 55 добавлений и 61 удалений

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@ -2,6 +2,8 @@ Wed Nov 24 01:01:31 2004 Yukihiro Matsumoto <matz@ruby-lang.org>
* io.c (io_read): [ruby-dev:24952]
* configure.in, io.c: cancel [ ruby-Patches-1074 ].
Tue Nov 23 08:09:50 2004 Hidetoshi NAGAI <nagai@ai.kyutech.ac.jp>
* ext/tk/lib/tk/menu.rb: improve usability of TkOptionMenubutton

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@ -588,9 +588,6 @@ else
AC_DEFINE(RSHIFT(x,y), (((x)<0) ? ~((~(x))>>y) : (x)>>y))
fi
AC_CHECK_HEADERS(stdio_ext.h)
AC_CHECK_FUNCS(__fpending)
AC_MSG_CHECKING(read count field in FILE structures)
AC_CACHE_VAL(rb_cv_fcnt,
[for fcnt in dnl

111
io.c
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@ -127,9 +127,6 @@ static VALUE lineno = INT2FIX(0);
# define READ_DATA_PENDING_COUNT(fp) ((fp)->_egptr - (fp)->_gptr)
# define READ_DATA_PENDING_PTR(fp) ((fp)->_gptr)
# endif
#elif defined(HAVE___FPENDING)
# define READ_DATA_PENDING(fp) (__fpending(fp) > 0)
# define READ_DATA_PENDING_COUNT(fp) (__fpending(fp))
#elif defined(FILE_COUNT)
# define READ_DATA_PENDING(fp) ((fp)->FILE_COUNT > 0)
# define READ_DATA_PENDING_COUNT(fp) ((fp)->FILE_COUNT)
@ -590,8 +587,9 @@ rb_io_seek(io, offset, whence)
OpenFile *fptr;
off_t pos;
pos = NUM2OFFT(offset);
GetOpenFile(io, fptr);
pos = io_seek(fptr, NUM2OFFT(offset), whence);
pos = io_seek(fptr, pos, whence);
if (pos < 0) rb_sys_fail(fptr->path);
clearerr(fptr->f);
@ -653,8 +651,9 @@ rb_io_set_pos(io, offset)
OpenFile *fptr;
off_t pos;
pos = NUM2OFFT(offset);
GetOpenFile(io, fptr);
pos = io_seek(fptr, NUM2OFFT(offset), SEEK_SET);
pos = io_seek(fptr, pos, SEEK_SET);
if (pos < 0) rb_sys_fail(fptr->path);
clearerr(fptr->f);
@ -1034,7 +1033,6 @@ read_all(fptr, siz, str)
str = rb_tainted_str_new(0, siz);
}
else {
StringValue(str);
rb_str_resize(str, siz);
}
for (;;) {
@ -1124,9 +1122,6 @@ io_readpartial(argc, argv, io)
rb_scan_args(argc, argv, "11", &length, &str);
GetOpenFile(io, fptr);
rb_io_check_readable(fptr);
if ((len = NUM2LONG(length)) < 0) {
rb_raise(rb_eArgError, "negative length %ld given", len);
}
@ -1141,6 +1136,9 @@ io_readpartial(argc, argv, io)
}
OBJ_TAINT(str);
GetOpenFile(io, fptr);
rb_io_check_readable(fptr);
if (len == 0)
return str;
@ -1197,20 +1195,16 @@ io_read(argc, argv, io)
rb_scan_args(argc, argv, "02", &length, &str);
if (!NIL_P(length)) {
len = NUM2LONG(length);
if (len < 0) {
rb_raise(rb_eArgError, "negative length %ld given", len);
}
}
GetOpenFile(io, fptr);
rb_io_check_readable(fptr);
if (NIL_P(length)) {
GetOpenFile(io, fptr);
rb_io_check_readable(fptr);
return read_all(fptr, remain_size(fptr), str);
}
if (feof(fptr->f)) return Qnil;
len = NUM2LONG(length);
if (len < 0) {
rb_raise(rb_eArgError, "negative length %ld given", len);
}
if (NIL_P(str)) {
str = rb_str_new(0, len);
}
@ -1219,6 +1213,10 @@ io_read(argc, argv, io)
rb_str_modify(str);
rb_str_resize(str,len);
}
GetOpenFile(io, fptr);
rb_io_check_readable(fptr);
if (feof(fptr->f)) return Qnil;
if (len == 0) return str;
rb_str_locktmp(str);
@ -1414,12 +1412,13 @@ rscheck(rsptr, rslen, rs)
}
static VALUE
rb_io_getline(rs, fptr)
VALUE rs;
OpenFile *fptr;
rb_io_getline(rs, io)
VALUE rs, io;
{
VALUE str = Qnil;
OpenFile *fptr;
GetOpenFile(io, fptr);
rb_io_check_readable(fptr);
if (NIL_P(rs)) {
str = read_all(fptr, 0, Qnil);
@ -1434,7 +1433,6 @@ rb_io_getline(rs, fptr)
long rslen;
int rspara = 0;
StringValue(rs);
rslen = RSTRING(rs)->len;
if (rslen == 0) {
rsptr = "\n\n";
@ -1517,9 +1515,9 @@ rb_io_gets_m(argc, argv, io)
}
else {
rb_scan_args(argc, argv, "1", &rs);
if (!NIL_P(rs)) StringValue(rs);
}
GetOpenFile(io, fptr);
str = rb_io_getline(rs, fptr);
str = rb_io_getline(rs, io);
rb_lastline_set(str);
return str;
@ -1661,10 +1659,10 @@ rb_io_readlines(argc, argv, io)
}
else {
rb_scan_args(argc, argv, "1", &rs);
if (!NIL_P(rs)) StringValue(rs);
}
GetOpenFile(io, fptr);
ary = rb_ary_new();
while (!NIL_P(line = rb_io_getline(rs, fptr))) {
while (!NIL_P(line = rb_io_getline(rs, io))) {
rb_ary_push(ary, line);
}
return ary;
@ -1705,9 +1703,9 @@ rb_io_each_line(argc, argv, io)
}
else {
rb_scan_args(argc, argv, "1", &rs);
if (!NIL_P(rs)) StringValue(rs);
}
GetOpenFile(io, fptr);
while (!NIL_P(str = rb_io_getline(rs, fptr))) {
while (!NIL_P(str = rb_io_getline(rs, io))) {
rb_yield(str);
}
return io;
@ -2170,7 +2168,7 @@ rb_io_sysseek(argc, argv, io)
if (rb_scan_args(argc, argv, "11", &offset, &ptrname) == 2) {
whence = NUM2INT(ptrname);
}
pos = NUM2OFFT(offset);
GetOpenFile(io, fptr);
if ((fptr->mode & FMODE_READABLE) && READ_DATA_BUFFERED(fptr->f)) {
rb_raise(rb_eIOError, "sysseek for buffered IO");
@ -2178,7 +2176,7 @@ rb_io_sysseek(argc, argv, io)
if ((fptr->mode & FMODE_WRITABLE) && (fptr->mode & FMODE_WBUF)) {
rb_warn("sysseek for buffered IO");
}
pos = lseek(fileno(fptr->f), NUM2OFFT(offset), whence);
pos = lseek(fileno(fptr->f), pos, whence);
if (pos == -1) rb_sys_fail(fptr->path);
clearerr(fptr->f);
@ -2255,12 +2253,7 @@ rb_io_sysread(argc, argv, io)
rb_scan_args(argc, argv, "11", &len, &str);
ilen = NUM2LONG(len);
GetOpenFile(io, fptr);
rb_io_check_readable(fptr);
if (READ_DATA_BUFFERED(fptr->f)) {
rb_raise(rb_eIOError, "sysread for buffered IO");
}
if (NIL_P(str)) {
str = rb_str_new(0, ilen);
}
@ -2271,6 +2264,12 @@ rb_io_sysread(argc, argv, io)
}
if (ilen == 0) return str;
GetOpenFile(io, fptr);
rb_io_check_readable(fptr);
if (READ_DATA_BUFFERED(fptr->f)) {
rb_raise(rb_eIOError, "sysread for buffered IO");
}
n = fileno(fptr->f);
rb_thread_wait_fd(fileno(fptr->f));
TRAP_BEG;
@ -3961,13 +3960,6 @@ rb_io_initialize(argc, argv, io)
if (NIL_P(orig)) {
fd = NUM2INT(fnum);
}
else {
GetOpenFile(orig, ofp);
if (ofp->refcnt == LONG_MAX) {
VALUE s = rb_inspect(orig);
rb_raise(rb_eIOError, "too many shared IO for %s", StringValuePtr(s));
}
}
if (argc == 2) {
if (FIXNUM_P(mode)) {
flags = FIX2LONG(mode);
@ -3976,17 +3968,21 @@ rb_io_initialize(argc, argv, io)
SafeStringValue(mode);
flags = rb_io_mode_modenum(RSTRING(mode)->ptr);
}
fmode = rb_io_modenum_flags(flags);
}
else if (!ofp) {
else if (!NIL_P(orig)) {
GetOpenFile(orig, ofp);
if (ofp->refcnt == LONG_MAX) {
VALUE s = rb_inspect(orig);
rb_raise(rb_eIOError, "too many shared IO for %s", StringValuePtr(s));
}
#if defined(HAVE_FCNTL) && defined(F_GETFL)
flags = fcntl(fd, F_GETFL);
if (flags == -1) rb_sys_fail(0);
#else
flags = O_RDONLY;
#endif
fmode = rb_io_modenum_flags(flags);
}
fmode = rb_io_modenum_flags(flags);
if (!ofp) {
MakeOpenFile(io, fp);
fp->mode = fmode;
@ -4276,16 +4272,15 @@ argf_getline(argc, argv)
}
else {
VALUE rs;
OpenFile *fptr;
if (argc == 0) {
rs = rb_rs;
}
else {
rb_scan_args(argc, argv, "1", &rs);
if (!NIL_P(rs)) StringValue(rs);
}
GetOpenFile(current_file, fptr);
line = rb_io_getline(rs, fptr);
line = rb_io_getline(rs, current_file);
}
if (NIL_P(line) && next_p != -1) {
argf_close(current_file);
@ -4981,7 +4976,6 @@ struct foreach_arg {
int argc;
VALUE sep;
VALUE io;
OpenFile *fptr;
};
static VALUE
@ -4990,7 +4984,7 @@ io_s_foreach(arg)
{
VALUE str;
while (!NIL_P(str = rb_io_getline(arg->sep, arg->fptr))) {
while (!NIL_P(str = rb_io_getline(arg->sep, arg->io))) {
rb_yield(str);
}
return Qnil;
@ -5018,7 +5012,7 @@ rb_io_s_foreach(argc, argv)
int argc;
VALUE *argv;
{
VALUE fname, io;
VALUE fname;
OpenFile *fptr;
struct foreach_arg arg;
@ -5027,12 +5021,13 @@ rb_io_s_foreach(argc, argv)
if (argc == 1) {
arg.sep = rb_default_rs;
}
io = rb_io_open(RSTRING(fname)->ptr, "r");
if (NIL_P(io)) return Qnil;
GetOpenFile(io, fptr);
arg.fptr = fptr;
else if (!NIL_P(arg.sep)) {
StringValue(arg.sep);
}
arg.io = rb_io_open(RSTRING(fname)->ptr, "r");
if (NIL_P(arg.io)) return Qnil;
return rb_ensure(io_s_foreach, (VALUE)&arg, rb_io_close, io);
return rb_ensure(io_s_foreach, (VALUE)&arg, rb_io_close, arg.io);
}
static VALUE