summaryrefslogtreecommitdiff
path: root/io.c
diff options
context:
space:
mode:
Diffstat (limited to 'io.c')
-rw-r--r--io.c569
1 files changed, 306 insertions, 263 deletions
diff --git a/io.c b/io.c
index 9a82edae46..effcb349c3 100644
--- a/io.c
+++ b/io.c
@@ -500,6 +500,7 @@ rb_cloexec_fcntl_dupfd(int fd, int minfd)
#define argf_of(obj) (*(struct argf *)DATA_PTR(obj))
#define ARGF argf_of(argf)
+#define ARGF_SET(field, value) RB_OBJ_WRITE(argf, &ARGF.field, value)
#define GetWriteIO(io) rb_io_get_write_io(io)
@@ -1110,7 +1111,7 @@ ruby_dup(int orig)
static VALUE
io_alloc(VALUE klass)
{
- NEWOBJ_OF(io, struct RFile, klass, T_FILE, sizeof(struct RFile), 0);
+ UNPROTECTED_NEWOBJ_OF(io, struct RFile, klass, T_FILE, sizeof(struct RFile));
io->fptr = 0;
@@ -1291,7 +1292,8 @@ internal_writev_func(void *ptr)
static ssize_t
rb_io_read_memory(rb_io_t *fptr, void *buf, size_t count)
{
- VALUE scheduler = rb_fiber_scheduler_current();
+ rb_thread_t *th = GET_THREAD();
+ VALUE scheduler = rb_fiber_scheduler_current_for_threadptr(th);
if (scheduler != Qnil) {
VALUE result = rb_fiber_scheduler_io_read_memory(scheduler, fptr->self, buf, count, 0);
@@ -1301,7 +1303,7 @@ rb_io_read_memory(rb_io_t *fptr, void *buf, size_t count)
}
struct io_internal_read_struct iis = {
- .th = rb_thread_current(),
+ .th = th->self,
.fptr = fptr,
.nonblock = 0,
.fd = fptr->fd,
@@ -1324,7 +1326,8 @@ rb_io_read_memory(rb_io_t *fptr, void *buf, size_t count)
static ssize_t
rb_io_write_memory(rb_io_t *fptr, const void *buf, size_t count)
{
- VALUE scheduler = rb_fiber_scheduler_current();
+ rb_thread_t *th = GET_THREAD();
+ VALUE scheduler = rb_fiber_scheduler_current_for_threadptr(th);
if (scheduler != Qnil) {
VALUE result = rb_fiber_scheduler_io_write_memory(scheduler, fptr->self, buf, count, 0);
@@ -1334,7 +1337,7 @@ rb_io_write_memory(rb_io_t *fptr, const void *buf, size_t count)
}
struct io_internal_write_struct iis = {
- .th = rb_thread_current(),
+ .th = th->self,
.fptr = fptr,
.nonblock = 0,
.fd = fptr->fd,
@@ -1360,7 +1363,9 @@ rb_writev_internal(rb_io_t *fptr, const struct iovec *iov, int iovcnt)
{
if (!iovcnt) return 0;
- VALUE scheduler = rb_fiber_scheduler_current();
+ rb_thread_t *th = GET_THREAD();
+
+ VALUE scheduler = rb_fiber_scheduler_current_for_threadptr(th);
if (scheduler != Qnil) {
// This path assumes at least one `iov`:
VALUE result = rb_fiber_scheduler_io_write_memory(scheduler, fptr->self, iov[0].iov_base, iov[0].iov_len, 0);
@@ -1371,7 +1376,7 @@ rb_writev_internal(rb_io_t *fptr, const struct iovec *iov, int iovcnt)
}
struct io_internal_writev_struct iis = {
- .th = rb_thread_current(),
+ .th = th->self,
.fptr = fptr,
.nonblock = 0,
.fd = fptr->fd,
@@ -1414,10 +1419,34 @@ io_flush_buffer_sync(void *arg)
return (VALUE)-1;
}
+static inline VALUE
+io_flush_buffer_fiber_scheduler(VALUE scheduler, rb_io_t *fptr)
+{
+ VALUE ret = rb_fiber_scheduler_io_write_memory(scheduler, fptr->self, fptr->wbuf.ptr+fptr->wbuf.off, fptr->wbuf.len, 0);
+ if (!UNDEF_P(ret)) {
+ ssize_t result = rb_fiber_scheduler_io_result_apply(ret);
+ if (result > 0) {
+ fptr->wbuf.off += result;
+ fptr->wbuf.len -= result;
+ }
+ return result >= 0 ? (VALUE)0 : (VALUE)-1;
+ }
+ return ret;
+}
+
static VALUE
io_flush_buffer_async(VALUE arg)
{
rb_io_t *fptr = (rb_io_t *)arg;
+
+ VALUE scheduler = rb_fiber_scheduler_current();
+ if (scheduler != Qnil) {
+ VALUE result = io_flush_buffer_fiber_scheduler(scheduler, fptr);
+ if (!UNDEF_P(result)) {
+ return result;
+ }
+ }
+
return rb_io_blocking_region_wait(fptr, io_flush_buffer_sync, fptr, RUBY_IO_WRITABLE);
}
@@ -1453,7 +1482,8 @@ io_fflush(rb_io_t *fptr)
VALUE
rb_io_wait(VALUE io, VALUE events, VALUE timeout)
{
- VALUE scheduler = rb_fiber_scheduler_current();
+ rb_thread_t *th = GET_THREAD();
+ VALUE scheduler = rb_fiber_scheduler_current_for_threadptr(th);
if (scheduler != Qnil) {
return rb_fiber_scheduler_io_wait(scheduler, io, events, timeout);
@@ -1474,7 +1504,7 @@ rb_io_wait(VALUE io, VALUE events, VALUE timeout)
tv = &tv_storage;
}
- int ready = rb_thread_io_wait(fptr, RB_NUM2INT(events), tv);
+ int ready = rb_thread_io_wait(th, fptr, RB_NUM2INT(events), tv);
if (ready < 0) {
rb_sys_fail(0);
@@ -1498,17 +1528,15 @@ io_from_fd(int fd)
}
static int
-io_wait_for_single_fd(int fd, int events, struct timeval *timeout)
+io_wait_for_single_fd(int fd, int events, struct timeval *timeout, rb_thread_t *th, VALUE scheduler)
{
- VALUE scheduler = rb_fiber_scheduler_current();
-
if (scheduler != Qnil) {
return RTEST(
rb_fiber_scheduler_io_wait(scheduler, io_from_fd(fd), RB_INT2NUM(events), rb_fiber_scheduler_make_timeout(timeout))
);
}
- return rb_thread_wait_for_single_fd(fd, events, timeout);
+ return rb_thread_wait_for_single_fd(th, fd, events, timeout);
}
int
@@ -1516,7 +1544,8 @@ rb_io_wait_readable(int f)
{
io_fd_check_closed(f);
- VALUE scheduler = rb_fiber_scheduler_current();
+ rb_thread_t *th = GET_THREAD();
+ VALUE scheduler = rb_fiber_scheduler_current_for_threadptr(th);
switch (errno) {
case EINTR:
@@ -1536,7 +1565,7 @@ rb_io_wait_readable(int f)
);
}
else {
- io_wait_for_single_fd(f, RUBY_IO_READABLE, NULL);
+ io_wait_for_single_fd(f, RUBY_IO_READABLE, NULL, th, scheduler);
}
return TRUE;
@@ -1550,7 +1579,8 @@ rb_io_wait_writable(int f)
{
io_fd_check_closed(f);
- VALUE scheduler = rb_fiber_scheduler_current();
+ rb_thread_t *th = GET_THREAD();
+ VALUE scheduler = rb_fiber_scheduler_current_for_threadptr(th);
switch (errno) {
case EINTR:
@@ -1579,7 +1609,7 @@ rb_io_wait_writable(int f)
);
}
else {
- io_wait_for_single_fd(f, RUBY_IO_WRITABLE, NULL);
+ io_wait_for_single_fd(f, RUBY_IO_WRITABLE, NULL, th, scheduler);
}
return TRUE;
@@ -1591,7 +1621,9 @@ rb_io_wait_writable(int f)
int
rb_wait_for_single_fd(int fd, int events, struct timeval *timeout)
{
- return io_wait_for_single_fd(fd, events, timeout);
+ rb_thread_t *th = GET_THREAD();
+ VALUE scheduler = rb_fiber_scheduler_current_for_threadptr(th);
+ return io_wait_for_single_fd(fd, events, timeout, th, scheduler);
}
int
@@ -2504,7 +2536,7 @@ interpret_seek_whence(VALUE vwhence)
* f.tell # => 12
* f.close
*
- * - +:SET+ or <tt>IO:SEEK_SET</tt>:
+ * - +:SET+ or <tt>IO::SEEK_SET</tt>:
* Repositions the stream to the given +offset+:
*
* f = File.open('t.txt')
@@ -2628,9 +2660,6 @@ io_fillbuf(rb_io_t *fptr)
fptr->rbuf.len = 0;
fptr->rbuf.capa = IO_RBUF_CAPA_FOR(fptr);
fptr->rbuf.ptr = ALLOC_N(char, fptr->rbuf.capa);
-#ifdef _WIN32
- fptr->rbuf.capa--;
-#endif
}
if (fptr->rbuf.len == 0) {
retry:
@@ -3156,8 +3185,6 @@ io_enc_str(VALUE str, rb_io_t *fptr)
return str;
}
-static rb_encoding *io_read_encoding(rb_io_t *fptr);
-
static void
make_readconv(rb_io_t *fptr, int size)
{
@@ -3300,10 +3327,6 @@ io_shift_cbuf(rb_io_t *fptr, int len, VALUE *strp)
static int
io_setstrbuf(VALUE *str, long len)
{
-#ifdef _WIN32
- if (len > 0)
- len = (len + 1) & ~1L; /* round up for wide char */
-#endif
if (NIL_P(*str)) {
*str = rb_str_new(0, len);
return TRUE;
@@ -4307,11 +4330,17 @@ rb_io_gets(VALUE io)
}
VALUE
-rb_io_gets_internal(VALUE io)
+rb_io_gets_limit_internal(VALUE io, long limit)
{
rb_io_t *fptr;
GetOpenFile(io, fptr);
- return rb_io_getline_0(rb_default_rs, -1, FALSE, fptr);
+ return rb_io_getline_0(rb_default_rs, limit, FALSE, fptr);
+}
+
+VALUE
+rb_io_gets_internal(VALUE io)
+{
+ return rb_io_gets_limit_internal(io, -1);
}
/*
@@ -4692,10 +4721,11 @@ rb_io_each_line(int argc, VALUE *argv, VALUE io)
* Calls the given block with each byte (0..255) in the stream; returns +self+.
* See {Byte IO}[rdoc-ref:IO@Byte+IO].
*
- * f = File.new('t.rus')
+ * File.read('t.ja') # => "こんにちは"
+ * f = File.new('t.ja')
* a = []
* f.each_byte {|b| a << b }
- * a # => [209, 130, 208, 181, 209, 129, 209, 130]
+ * a # => [227, 129, 147, 227, 130, 147, 227, 129, 171, 227, 129, 161, 227, 129, 175]
* f.close
*
* Returns an Enumerator if no block is given.
@@ -4840,10 +4870,11 @@ io_getc(rb_io_t *fptr, rb_encoding *enc)
* Calls the given block with each character in the stream; returns +self+.
* See {Character IO}[rdoc-ref:IO@Character+IO].
*
- * f = File.new('t.rus')
+ * File.read('t.ja') # => "こんにちは"
+ * f = File.new('t.ja')
* a = []
* f.each_char {|c| a << c.ord }
- * a # => [1090, 1077, 1089, 1090]
+ * a # => [12371, 12435, 12395, 12385, 12399]
* f.close
*
* Returns an Enumerator if no block is given.
@@ -4878,10 +4909,11 @@ rb_io_each_char(VALUE io)
*
* Calls the given block with each codepoint in the stream; returns +self+:
*
- * f = File.new('t.rus')
+ * File.read('t.ja') # => "こんにちは"
+ * f = File.new('t.ja')
* a = []
* f.each_codepoint {|c| a << c }
- * a # => [1090, 1077, 1089, 1090]
+ * a # => [12371, 12435, 12395, 12385, 12399]
* f.close
*
* Returns an Enumerator if no block is given.
@@ -4903,6 +4935,7 @@ rb_io_each_codepoint(VALUE io)
rb_io_check_char_readable(fptr);
READ_CHECK(fptr);
+ enc = io_read_encoding(fptr);
if (NEED_READCONV(fptr)) {
SET_BINARY_MODE(fptr);
r = 1; /* no invalid char yet */
@@ -4910,12 +4943,9 @@ rb_io_each_codepoint(VALUE io)
make_readconv(fptr, 0);
for (;;) {
if (fptr->cbuf.len) {
- if (fptr->encs.enc)
- r = rb_enc_precise_mbclen(fptr->cbuf.ptr+fptr->cbuf.off,
- fptr->cbuf.ptr+fptr->cbuf.off+fptr->cbuf.len,
- fptr->encs.enc);
- else
- r = ONIGENC_CONSTRUCT_MBCLEN_CHARFOUND(1);
+ r = rb_enc_precise_mbclen(fptr->cbuf.ptr+fptr->cbuf.off,
+ fptr->cbuf.ptr+fptr->cbuf.off+fptr->cbuf.len,
+ enc);
if (!MBCLEN_NEEDMORE_P(r))
break;
if (fptr->cbuf.len == fptr->cbuf.capa) {
@@ -4925,33 +4955,25 @@ rb_io_each_codepoint(VALUE io)
if (more_char(fptr) == MORE_CHAR_FINISHED) {
clear_readconv(fptr);
if (!MBCLEN_CHARFOUND_P(r)) {
- enc = fptr->encs.enc;
goto invalid;
}
return io;
}
}
if (MBCLEN_INVALID_P(r)) {
- enc = fptr->encs.enc;
goto invalid;
}
n = MBCLEN_CHARFOUND_LEN(r);
- if (fptr->encs.enc) {
- c = rb_enc_codepoint(fptr->cbuf.ptr+fptr->cbuf.off,
- fptr->cbuf.ptr+fptr->cbuf.off+fptr->cbuf.len,
- fptr->encs.enc);
- }
- else {
- c = (unsigned char)fptr->cbuf.ptr[fptr->cbuf.off];
- }
+ c = rb_enc_codepoint(fptr->cbuf.ptr+fptr->cbuf.off,
+ fptr->cbuf.ptr+fptr->cbuf.off+fptr->cbuf.len,
+ enc);
fptr->cbuf.off += n;
fptr->cbuf.len -= n;
rb_yield(UINT2NUM(c));
- rb_io_check_byte_readable(fptr);
+ rb_io_check_char_readable(fptr);
}
}
NEED_NEWLINE_DECORATOR_ON_READ_CHECK(fptr);
- enc = io_input_encoding(fptr);
while (io_fillbuf(fptr) >= 0) {
r = rb_enc_precise_mbclen(fptr->rbuf.ptr+fptr->rbuf.off,
fptr->rbuf.ptr+fptr->rbuf.off+fptr->rbuf.len, enc);
@@ -5005,8 +5027,9 @@ rb_io_each_codepoint(VALUE io)
* f = File.open('t.txt')
* f.getc # => "F"
* f.close
- * f = File.open('t.rus')
- * f.getc.ord # => 1090
+ * File.read('t.ja') # => "こんにちは"
+ * f = File.open('t.ja')
+ * f.getc.ord # => 12371
* f.close
*
* Related: IO#readchar (may raise EOFError).
@@ -5038,8 +5061,9 @@ rb_io_getc(VALUE io)
* f = File.open('t.txt')
* f.readchar # => "F"
* f.close
- * f = File.open('t.rus')
- * f.readchar.ord # => 1090
+ * File.read('t.ja') # => "こんにちは"
+ * f = File.open('t.ja')
+ * f.readchar.ord # => 12371
* f.close
*
* Related: IO#getc (will not raise EOFError).
@@ -5068,8 +5092,9 @@ rb_io_readchar(VALUE io)
* f = File.open('t.txt')
* f.getbyte # => 70
* f.close
- * f = File.open('t.rus')
- * f.getbyte # => 209
+ * File.read('t.ja') # => "こんにちは"
+ * f = File.open('t.ja')
+ * f.getbyte # => 227
* f.close
*
* Related: IO#readbyte (may raise EOFError).
@@ -5112,8 +5137,9 @@ rb_io_getbyte(VALUE io)
* f = File.open('t.txt')
* f.readbyte # => 70
* f.close
- * f = File.open('t.rus')
- * f.readbyte # => 209
+ * File.read('t.ja') # => "こんにちは"
+ * f = File.open('t.ja')
+ * f.readbyte # => 227
* f.close
*
* Related: IO#getbyte (will not raise EOFError).
@@ -5517,8 +5543,7 @@ maygvl_fclose(FILE *file, int keepgvl)
static void free_io_buffer(rb_io_buffer_t *buf);
static void
-fptr_finalize_flush(rb_io_t *fptr, int noraise, int keepgvl,
- struct rb_io_close_wait_list *busy)
+fptr_finalize_flush(rb_io_t *fptr, int noraise, int keepgvl)
{
VALUE error = Qnil;
int fd = fptr->fd;
@@ -5558,20 +5583,8 @@ fptr_finalize_flush(rb_io_t *fptr, int noraise, int keepgvl,
fptr->stdio_file = 0;
fptr->mode &= ~(FMODE_READABLE|FMODE_WRITABLE);
- // Ensure waiting_fd users do not hit EBADF.
- if (busy) {
- // Wait for them to exit before we call close().
- rb_notify_fd_close_wait(busy);
- }
-
- // Disable for now.
- // if (!done && fd >= 0) {
- // VALUE scheduler = rb_fiber_scheduler_current();
- // if (scheduler != Qnil) {
- // VALUE result = rb_fiber_scheduler_io_close(scheduler, fptr->self);
- // if (!UNDEF_P(result)) done = 1;
- // }
- // }
+ // Wait for blocking operations to ensure they do not hit EBADF:
+ rb_thread_io_close_wait(fptr);
if (!done && stdio_file) {
// stdio_file is deallocated anyway even if fclose failed.
@@ -5584,6 +5597,15 @@ fptr_finalize_flush(rb_io_t *fptr, int noraise, int keepgvl,
done = 1;
}
+ VALUE scheduler = rb_fiber_scheduler_current();
+ if (!done && fd >= 0 && scheduler != Qnil) {
+ VALUE result = rb_fiber_scheduler_io_close(scheduler, RB_INT2NUM(fd));
+
+ if (!UNDEF_P(result)) {
+ done = RTEST(result);
+ }
+ }
+
if (!done && fd >= 0) {
// fptr->fd may be closed even if close fails. POSIX doesn't specify it.
// We assumes it is closed.
@@ -5610,7 +5632,7 @@ fptr_finalize_flush(rb_io_t *fptr, int noraise, int keepgvl,
static void
fptr_finalize(rb_io_t *fptr, int noraise)
{
- fptr_finalize_flush(fptr, noraise, FALSE, 0);
+ fptr_finalize_flush(fptr, noraise, FALSE);
free_io_buffer(&fptr->rbuf);
free_io_buffer(&fptr->wbuf);
clear_codeconv(fptr);
@@ -5631,7 +5653,7 @@ static void
free_io_buffer(rb_io_buffer_t *buf)
{
if (buf->ptr) {
- ruby_sized_xfree(buf->ptr, (size_t)buf->capa);
+ ruby_xfree_sized(buf->ptr, (size_t)buf->capa);
buf->ptr = NULL;
}
}
@@ -5685,15 +5707,35 @@ rb_io_fptr_finalize(struct rb_io *io)
return 1;
}
+bool
+rb_io_fptr_finalize_closed(struct rb_io *io)
+{
+ if (!io) return true;
+ if (io->fd >= 0) return false;
+ rb_io_fptr_finalize(io);
+ return true;
+}
+
size_t
-rb_io_memsize(const rb_io_t *fptr)
+rb_io_memsize(const rb_io_t *io)
{
size_t size = sizeof(rb_io_t);
- size += fptr->rbuf.capa;
- size += fptr->wbuf.capa;
- size += fptr->cbuf.capa;
- if (fptr->readconv) size += rb_econv_memsize(fptr->readconv);
- if (fptr->writeconv) size += rb_econv_memsize(fptr->writeconv);
+ size += io->rbuf.capa;
+ size += io->wbuf.capa;
+ size += io->cbuf.capa;
+ if (io->readconv) size += rb_econv_memsize(io->readconv);
+ if (io->writeconv) size += rb_econv_memsize(io->writeconv);
+
+ struct rb_io_blocking_operation *blocking_operation = 0;
+
+ // Validate the fork generation of the IO object. If the IO object fork generation is different, the list of blocking operations is not valid memory. See `rb_io_blocking_operations` for the exact semantics.
+ rb_serial_t fork_generation = GET_VM()->fork_gen;
+ if (io->fork_generation == fork_generation) {
+ ccan_list_for_each(&io->blocking_operations, blocking_operation, list) {
+ size += sizeof(struct rb_io_blocking_operation);
+ }
+ }
+
return size;
}
@@ -5710,7 +5752,6 @@ io_close_fptr(VALUE io)
rb_io_t *fptr;
VALUE write_io;
rb_io_t *write_fptr;
- struct rb_io_close_wait_list busy;
write_io = GetWriteIO(io);
if (io != write_io) {
@@ -5724,10 +5765,12 @@ io_close_fptr(VALUE io)
if (!fptr) return 0;
if (fptr->fd < 0) return 0;
- if (rb_notify_fd_close(fptr->fd, &busy)) {
+ // This guards against multiple threads closing the same IO object:
+ if (rb_thread_io_close_interrupt(fptr)) {
/* calls close(fptr->fd): */
- fptr_finalize_flush(fptr, FALSE, KEEPGVL, &busy);
+ fptr_finalize_flush(fptr, FALSE, KEEPGVL);
}
+
rb_io_fptr_cleanup(fptr, FALSE);
return fptr;
}
@@ -6254,6 +6297,14 @@ internal_pwrite_func(void *_arg)
{
struct prdwr_internal_arg *arg = _arg;
+ return (VALUE)pwrite(arg->fd, arg->buf, arg->count, arg->offset);
+}
+
+static VALUE
+pwrite_internal_call(VALUE _arg)
+{
+ struct prdwr_internal_arg *arg = (struct prdwr_internal_arg *)_arg;
+
VALUE scheduler = rb_fiber_scheduler_current();
if (scheduler != Qnil) {
VALUE result = rb_fiber_scheduler_io_pwrite_memory(scheduler, arg->io->self, arg->offset, arg->buf, arg->count, 0);
@@ -6263,8 +6314,7 @@ internal_pwrite_func(void *_arg)
}
}
-
- return (VALUE)pwrite(arg->fd, arg->buf, arg->count, arg->offset);
+ return rb_io_blocking_region_wait(arg->io, internal_pwrite_func, arg, RUBY_IO_WRITABLE);
}
/*
@@ -6316,7 +6366,7 @@ rb_io_pwrite(VALUE io, VALUE str, VALUE offset)
arg.buf = RSTRING_PTR(tmp);
arg.count = (size_t)RSTRING_LEN(tmp);
- n = (ssize_t)rb_io_blocking_region_wait(fptr, internal_pwrite_func, &arg, RUBY_IO_WRITABLE);
+ n = (ssize_t)pwrite_internal_call((VALUE)&arg);
if (n < 0) rb_sys_fail_path(fptr->pathv);
rb_str_tmp_frozen_release(str, tmp);
@@ -7820,7 +7870,7 @@ static VALUE popen_finish(VALUE port, VALUE klass);
* whose $stdin and $stdout are connected to a new stream +io+.
*
* This method has potential security vulnerabilities if called with untrusted input;
- * see {Command Injection}[rdoc-ref:command_injection.rdoc].
+ * see {Command Injection}[rdoc-ref:security/command_injection.rdoc].
*
* If no block is given, returns the new stream,
* which depending on given +mode+ may be open for reading, writing, or both.
@@ -7829,7 +7879,8 @@ static VALUE popen_finish(VALUE port, VALUE klass);
* If a block is given, the stream is passed to the block
* (again, open for reading, writing, or both);
* when the block exits, the stream is closed,
- * and the block's value is assigned to global variable <tt>$?</tt> and returned.
+ * the block's value is returned,
+ * and the global variable <tt>$?</tt> is set to the child's exit status.
*
* Optional argument +mode+ may be any valid \IO mode.
* See {Access Modes}[rdoc-ref:File@Access+Modes].
@@ -8038,7 +8089,7 @@ popen_finish(VALUE port, VALUE klass)
rb_protect(rb_yield, Qnil, NULL);
rb_io_flush(rb_ractor_stdout());
rb_io_flush(rb_ractor_stderr());
- _exit(0);
+ _exit(EXIT_SUCCESS);
}
return Qnil;
}
@@ -8078,7 +8129,12 @@ ruby_popen_writer(char *const *argv, rb_pid_t *pid)
int write_pair[2];
# endif
- int result = rb_cloexec_pipe(write_pair);
+#ifdef HAVE_PIPE2
+ int result = pipe2(write_pair, O_CLOEXEC);
+#else
+ int result = pipe(write_pair);
+#endif
+
*pid = -1;
if (result == 0) {
# ifdef HAVE_WORKING_FORK
@@ -8210,21 +8266,6 @@ rb_io_s_sysopen(int argc, VALUE *argv, VALUE _)
return INT2NUM(fd);
}
-static VALUE
-check_pipe_command(VALUE filename_or_command)
-{
- char *s = RSTRING_PTR(filename_or_command);
- long l = RSTRING_LEN(filename_or_command);
- char *e = s + l;
- int chlen;
-
- if (rb_enc_ascget(s, e, &chlen, rb_enc_get(filename_or_command)) == '|') {
- VALUE cmd = rb_str_new(s+chlen, l-chlen);
- return cmd;
- }
- return Qnil;
-}
-
/*
* call-seq:
* open(path, mode = 'r', perm = 0666, **opts) -> io or nil
@@ -8232,9 +8273,6 @@ check_pipe_command(VALUE filename_or_command)
*
* Creates an IO object connected to the given file.
*
- * This method has potential security vulnerabilities if called with untrusted input;
- * see {Command Injection}[rdoc-ref:command_injection.rdoc].
- *
* With no block given, file stream is returned:
*
* open('t.txt') # => #<File:t.txt>
@@ -8270,13 +8308,7 @@ rb_f_open(int argc, VALUE *argv, VALUE _)
redirect = TRUE;
}
else {
- VALUE cmd = check_pipe_command(tmp);
- if (!NIL_P(cmd)) {
- // TODO: when removed in 4.0, update command_injection.rdoc
- rb_warn_deprecated_to_remove_at(4.0, "Calling Kernel#open with a leading '|'", "IO.popen");
- argv[0] = cmd;
- return rb_io_s_popen(argc, argv, rb_cIO);
- }
+ argv[0] = tmp;
}
}
}
@@ -8295,16 +8327,8 @@ static VALUE
rb_io_open_generic(VALUE klass, VALUE filename, int oflags, enum rb_io_mode fmode,
const struct rb_io_encoding *convconfig, mode_t perm)
{
- VALUE cmd;
- if (klass == rb_cIO && !NIL_P(cmd = check_pipe_command(filename))) {
- // TODO: when removed in 4.0, update command_injection.rdoc
- rb_warn_deprecated_to_remove_at(4.0, "IO process creation with a leading '|'", "IO.popen");
- return pipe_open_s(cmd, rb_io_oflags_modestr(oflags), fmode, convconfig);
- }
- else {
- return rb_file_open_generic(io_alloc(klass), filename,
- oflags, fmode, convconfig, perm);
- }
+ return rb_file_open_generic(io_alloc(klass), filename,
+ oflags, fmode, convconfig, perm);
}
static VALUE
@@ -8369,6 +8393,10 @@ io_reopen(VALUE io, VALUE nfile)
fd = fptr->fd;
fd2 = orig->fd;
if (fd != fd2) {
+ // Interrupt all usage of the old file descriptor:
+ rb_thread_io_close_interrupt(fptr);
+ rb_thread_io_close_wait(fptr);
+
if (RUBY_IO_EXTERNAL_P(fptr) || fd <= 2 || !fptr->stdio_file) {
/* need to keep FILE objects of stdin, stdout and stderr */
if (rb_cloexec_dup2(fd2, fd) < 0)
@@ -8384,7 +8412,7 @@ io_reopen(VALUE io, VALUE nfile)
rb_update_max_fd(fd);
fptr->fd = fd;
}
- rb_thread_fd_close(fd);
+
if ((orig->mode & FMODE_READABLE) && pos >= 0) {
if (io_seek(fptr, pos, SEEK_SET) < 0 && errno) {
rb_sys_fail_path(fptr->pathv);
@@ -8561,6 +8589,12 @@ rb_io_init_copy(VALUE dest, VALUE io)
fptr->pid = orig->pid;
fptr->lineno = orig->lineno;
fptr->timeout = orig->timeout;
+
+ ccan_list_head_init(&fptr->blocking_operations);
+ fptr->closing_ec = NULL;
+ fptr->wakeup_mutex = Qnil;
+ fptr->fork_generation = GET_VM()->fork_gen;
+
if (!NIL_P(orig->pathv)) fptr->pathv = orig->pathv;
fptr_copy_finalizer(fptr, orig);
@@ -8590,7 +8624,7 @@ rb_io_init_copy(VALUE dest, VALUE io)
* Formats and writes +objects+ to the stream.
*
* For details on +format_string+, see
- * {Format Specifications}[rdoc-ref:format_specifications.rdoc].
+ * {Format Specifications}[rdoc-ref:language/format_specifications.rdoc].
*
*/
@@ -8611,7 +8645,7 @@ rb_io_printf(int argc, const VALUE *argv, VALUE out)
* io.write(sprintf(format_string, *objects))
*
* For details on +format_string+, see
- * {Format Specifications}[rdoc-ref:format_specifications.rdoc].
+ * {Format Specifications}[rdoc-ref:language/format_specifications.rdoc].
*
* With the single argument +format_string+, formats +objects+ into the string,
* then writes the formatted string to $stdout:
@@ -8654,31 +8688,19 @@ rb_f_printf(int argc, VALUE *argv, VALUE _)
return Qnil;
}
-static void
-deprecated_str_setter(VALUE val, ID id, VALUE *var)
-{
- rb_str_setter(val, id, &val);
- if (!NIL_P(val)) {
- rb_warn_deprecated("'%s'", NULL, rb_id2name(id));
- }
- *var = val;
-}
+extern void rb_deprecated_str_setter(VALUE val, ID id, VALUE *var);
static void
deprecated_rs_setter(VALUE val, ID id, VALUE *var)
{
+ rb_deprecated_str_setter(val, id, &val);
if (!NIL_P(val)) {
- if (!RB_TYPE_P(val, T_STRING)) {
- rb_raise(rb_eTypeError, "value of %"PRIsVALUE" must be String", rb_id2str(id));
- }
if (rb_str_equal(val, rb_default_rs)) {
val = rb_default_rs;
}
else {
val = rb_str_frozen_bare_string(val);
}
- rb_enc_str_coderange(val);
- rb_warn_deprecated("'%s'", NULL, rb_id2name(id));
}
*var = val;
}
@@ -9298,6 +9320,11 @@ rb_io_open_descriptor(VALUE klass, int descriptor, int mode, VALUE path, VALUE t
io->timeout = timeout;
+ ccan_list_head_init(&io->blocking_operations);
+ io->closing_ec = NULL;
+ io->wakeup_mutex = Qnil;
+ io->fork_generation = GET_VM()->fork_gen;
+
if (encoding) {
io->encs = *encoding;
}
@@ -9437,6 +9464,10 @@ rb_io_fptr_new(void)
fp->encs.ecopts = Qnil;
fp->write_lock = Qnil;
fp->timeout = Qnil;
+ ccan_list_head_init(&fp->blocking_operations);
+ fp->closing_ec = NULL;
+ fp->wakeup_mutex = Qnil;
+ fp->fork_generation = GET_VM()->fork_gen;
return fp;
}
@@ -9478,7 +9509,8 @@ static VALUE io_initialize(VALUE io, VALUE fnum, VALUE vmode, VALUE opt);
* The new \IO object does not inherit encoding
* (because the integer file descriptor does not have an encoding):
*
- * fd = IO.sysopen('t.rus', 'rb')
+ * File.read('t.ja') # => "こんにちは"
+ * fd = IO.sysopen('t.ja', 'rb')
* io = IO.new(fd)
* io.external_encoding # => #<Encoding:UTF-8> # Not ASCII-8BIT.
*
@@ -9567,6 +9599,10 @@ io_initialize(VALUE io, VALUE fnum, VALUE vmode, VALUE opt)
fp->encs = convconfig;
fp->pathv = path;
fp->timeout = Qnil;
+ ccan_list_head_init(&fp->blocking_operations);
+ fp->closing_ec = NULL;
+ fp->wakeup_mutex = Qnil;
+ fp->fork_generation = GET_VM()->fork_gen;
clear_codeconv(fp);
io_check_tty(fp);
if (fileno(stdin) == fd)
@@ -9796,7 +9832,7 @@ io_wait_readable(int argc, VALUE *argv, VALUE io)
rb_io_t *fptr;
RB_IO_POINTER(io, fptr);
- rb_io_check_readable(fptr);
+ rb_io_check_char_readable(fptr);
if (rb_io_read_pending(fptr)) return Qtrue;
@@ -9843,7 +9879,7 @@ io_wait_priority(int argc, VALUE *argv, VALUE io)
rb_io_t *fptr = NULL;
RB_IO_POINTER(io, fptr);
- rb_io_check_readable(fptr);
+ rb_io_check_char_readable(fptr);
if (rb_io_read_pending(fptr)) return Qtrue;
@@ -9900,7 +9936,7 @@ io_event_from_value(VALUE value)
/*
* call-seq:
* io.wait(events, timeout) -> event mask, false or nil
- * io.wait(timeout = nil, mode = :read) -> self, true, or false
+ * io.wait(*event_symbols[, timeout]) -> self, true, or false
*
* Waits until the IO becomes ready for the specified events and returns the
* subset of events that become ready, or a falsy value when times out.
@@ -9908,10 +9944,14 @@ io_event_from_value(VALUE value)
* The events can be a bit mask of +IO::READABLE+, +IO::WRITABLE+ or
* +IO::PRIORITY+.
*
- * Returns an event mask (truthy value) immediately when buffered data is available.
+ * Returns an event mask (truthy value) immediately when buffered data is
+ * available.
*
- * Optional parameter +mode+ is one of +:read+, +:write+, or
- * +:read_write+.
+ * The second form: if one or more event symbols (+:read+, +:write+, or
+ * +:read_write+) are passed, the event mask is the bit OR of the bitmask
+ * corresponding to those symbols. In this form, +timeout+ is optional, the
+ * order of the arguments is arbitrary, and returns +io+ if any of the
+ * events is ready.
*/
static VALUE
@@ -9921,10 +9961,6 @@ io_wait(int argc, VALUE *argv, VALUE io)
enum rb_io_event events = 0;
int return_io = 0;
- // The documented signature for this method is actually incorrect.
- // A single timeout is allowed in any position, and multiple symbols can be given.
- // Whether this is intentional or not, I don't know, and as such I consider this to
- // be a legacy/slow path.
if (argc != 2 || (RB_SYMBOL_P(argv[0]) || RB_SYMBOL_P(argv[1]))) {
// We'd prefer to return the actual mask, but this form would return the io itself:
return_io = 1;
@@ -9970,14 +10006,14 @@ io_wait(int argc, VALUE *argv, VALUE io)
}
static void
-argf_mark(void *ptr)
+argf_mark_and_move(void *ptr)
{
struct argf *p = ptr;
- rb_gc_mark(p->filename);
- rb_gc_mark(p->current_file);
- rb_gc_mark(p->argv);
- rb_gc_mark(p->inplace);
- rb_gc_mark(p->encs.ecopts);
+ rb_gc_mark_and_move(&p->filename);
+ rb_gc_mark_and_move(&p->current_file);
+ rb_gc_mark_and_move(&p->argv);
+ rb_gc_mark_and_move(&p->inplace);
+ rb_gc_mark_and_move(&p->encs.ecopts);
}
static size_t
@@ -9988,30 +10024,19 @@ argf_memsize(const void *ptr)
return size;
}
-static void
-argf_compact(void *ptr)
-{
- struct argf *p = ptr;
- p->filename = rb_gc_location(p->filename);
- p->current_file = rb_gc_location(p->current_file);
- p->argv = rb_gc_location(p->argv);
- p->inplace = rb_gc_location(p->inplace);
- p->encs.ecopts = rb_gc_location(p->encs.ecopts);
-}
-
static const rb_data_type_t argf_type = {
"ARGF",
- {argf_mark, RUBY_TYPED_DEFAULT_FREE, argf_memsize, argf_compact},
- 0, 0, RUBY_TYPED_FREE_IMMEDIATELY
+ {argf_mark_and_move, RUBY_TYPED_DEFAULT_FREE, argf_memsize, argf_mark_and_move},
+ 0, 0, RUBY_TYPED_FREE_IMMEDIATELY | RUBY_TYPED_WB_PROTECTED
};
static inline void
-argf_init(struct argf *p, VALUE v)
+argf_init(VALUE argf, struct argf *p, VALUE v)
{
p->filename = Qnil;
p->current_file = Qnil;
p->lineno = 0;
- p->argv = v;
+ RB_OBJ_WRITE(argf, &p->argv, v);
}
static VALUE
@@ -10020,7 +10045,7 @@ argf_alloc(VALUE klass)
struct argf *p;
VALUE argf = TypedData_Make_Struct(klass, struct argf, &argf_type, p);
- argf_init(p, Qnil);
+ argf_init(argf, p, Qnil);
return argf;
}
@@ -10031,7 +10056,7 @@ static VALUE
argf_initialize(VALUE argf, VALUE argv)
{
memset(&ARGF, 0, sizeof(ARGF));
- argf_init(&ARGF, argv);
+ argf_init(argf, &ARGF, argv);
return argf;
}
@@ -10042,7 +10067,8 @@ argf_initialize_copy(VALUE argf, VALUE orig)
{
if (!OBJ_INIT_COPY(argf, orig)) return argf;
ARGF = argf_of(orig);
- ARGF.argv = rb_obj_dup(ARGF.argv);
+ rb_gc_writebarrier_remember(argf);
+ ARGF_SET(argv, rb_obj_dup(ARGF.argv));
return argf;
}
@@ -10161,11 +10187,11 @@ argf_next_argv(VALUE argf)
if (RARRAY_LEN(ARGF.argv) > 0) {
VALUE filename = rb_ary_shift(ARGF.argv);
FilePathValue(filename);
- ARGF.filename = filename;
+ ARGF_SET(filename, filename);
filename = rb_str_encode_ospath(filename);
fn = StringValueCStr(filename);
if (RSTRING_LEN(filename) == 1 && fn[0] == '-') {
- ARGF.current_file = rb_stdin;
+ ARGF_SET(current_file, rb_stdin);
if (ARGF.inplace) {
rb_warn("Can't do inplace edit for stdio; skipping");
goto retry;
@@ -10260,7 +10286,7 @@ argf_next_argv(VALUE argf)
if (!ARGF.binmode) {
fmode |= DEFAULT_TEXTMODE;
}
- ARGF.current_file = prep_io(fr, fmode, rb_cFile, fn);
+ ARGF_SET(current_file, prep_io(fr, fmode, rb_cFile, fn));
if (!NIL_P(write_io)) {
rb_io_set_write_io(ARGF.current_file, write_io);
}
@@ -10289,8 +10315,8 @@ argf_next_argv(VALUE argf)
}
}
else if (ARGF.next_p == -1) {
- ARGF.current_file = rb_stdin;
- ARGF.filename = rb_str_new2("-");
+ ARGF_SET(current_file, rb_stdin);
+ ARGF_SET(filename, rb_str_new2("-"));
if (ARGF.inplace) {
rb_warn("Can't do inplace edit for stdio");
rb_ractor_stdout_set(orig_stdout);
@@ -10632,14 +10658,14 @@ argf_readlines(int argc, VALUE *argv, VALUE argf)
* sets global variable <tt>$?</tt> to the process status.
*
* This method has potential security vulnerabilities if called with untrusted input;
- * see {Command Injection}[rdoc-ref:command_injection.rdoc].
+ * see {Command Injection}[rdoc-ref:security/command_injection.rdoc].
*
* Examples:
*
* $ `date` # => "Wed Apr 9 08:56:30 CDT 2003\n"
* $ `echo oops && exit 99` # => "oops\n"
* $ $? # => #<Process::Status: pid 17088 exit 99>
- * $ $?.status # => 99>
+ * $ $?.exitstatus # => 99
*
* The built-in syntax <tt>%x{...}</tt> uses this method.
*
@@ -10743,9 +10769,9 @@ select_internal(VALUE read, VALUE write, VALUE except, struct timeval *tp, rb_fd
if (!pending && n == 0) return Qnil; /* returns nil on timeout */
res = rb_ary_new2(3);
- rb_ary_push(res, rp?rb_ary_new():rb_ary_new2(0));
- rb_ary_push(res, wp?rb_ary_new():rb_ary_new2(0));
- rb_ary_push(res, ep?rb_ary_new():rb_ary_new2(0));
+ rb_ary_push(res, rp ? rb_ary_new_capa(RARRAY_LEN(read)) : rb_ary_new());
+ rb_ary_push(res, wp ? rb_ary_new_capa(RARRAY_LEN(write)) : rb_ary_new());
+ rb_ary_push(res, ep ? rb_ary_new_capa(RARRAY_LEN(except)) : rb_ary_new());
if (rp) {
list = RARRAY_AREF(res, 0);
@@ -10933,7 +10959,7 @@ advice_arg_check(VALUE advice)
* advise(advice, offset = 0, len = 0) -> nil
*
* Invokes Posix system call
- * {posix_fadvise(2)}[https://linux.die.net/man/2/posix_fadvise],
+ * {posix_fadvise(2)}[https://man7.org/linux/man-pages/man2/posix_fadvise.2.html],
* which announces an intention to access data from the current file
* in a particular manner.
*
@@ -10999,7 +11025,7 @@ is_pos_inf(VALUE x)
* call-seq:
* IO.select(read_ios, write_ios = [], error_ios = [], timeout = nil) -> array or nil
*
- * Invokes system call {select(2)}[https://linux.die.net/man/2/select],
+ * Invokes system call {select(2)}[https://man7.org/linux/man-pages/man2/select.2.html],
* which monitors multiple file descriptors,
* waiting until one or more of the file descriptors
* becomes ready for some class of I/O operation.
@@ -11086,7 +11112,7 @@ is_pos_inf(VALUE x)
* Finally, Linux kernel developers don't guarantee that
* readability of select(2) means readability of following read(2) even
* for a single process;
- * see {select(2)}[https://linux.die.net/man/2/select]
+ * see {select(2)}[https://man7.org/linux/man-pages/man2/select.2.html]
*
* Invoking \IO.select before IO#readpartial works well as usual.
* However it is not the best way to use \IO.select.
@@ -11480,7 +11506,7 @@ rb_ioctl(VALUE io, VALUE req, VALUE arg)
* call-seq:
* ioctl(integer_cmd, argument) -> integer
*
- * Invokes Posix system call {ioctl(2)}[https://linux.die.net/man/2/ioctl],
+ * Invokes Posix system call {ioctl(2)}[https://man7.org/linux/man-pages/man2/ioctl.2.html],
* which issues a low-level command to an I/O device.
*
* Issues a low-level command to an I/O device.
@@ -11569,7 +11595,7 @@ rb_fcntl(VALUE io, VALUE req, VALUE arg)
* call-seq:
* fcntl(integer_cmd, argument) -> integer
*
- * Invokes Posix system call {fcntl(2)}[https://linux.die.net/man/2/fcntl],
+ * Invokes Posix system call {fcntl(2)}[https://man7.org/linux/man-pages/man2/fcntl.2.html],
* which provides a mechanism for issuing low-level commands to control or query
* a file-oriented I/O stream. Arguments and results are platform
* dependent.
@@ -11599,7 +11625,7 @@ rb_io_fcntl(int argc, VALUE *argv, VALUE io)
* call-seq:
* syscall(integer_callno, *arguments) -> integer
*
- * Invokes Posix system call {syscall(2)}[https://linux.die.net/man/2/syscall],
+ * Invokes Posix system call {syscall(2)}[https://man7.org/linux/man-pages/man2/syscall.2.html],
* which calls a specified function.
*
* Calls the operating system function identified by +integer_callno+;
@@ -12044,10 +12070,6 @@ io_s_foreach(VALUE v)
*
* Calls the block with each successive line read from the stream.
*
- * When called from class \IO (but not subclasses of \IO),
- * this method has potential security vulnerabilities if called with untrusted input;
- * see {Command Injection}[rdoc-ref:command_injection.rdoc].
- *
* The first argument must be a string that is the path to a file.
*
* With only argument +path+ given, parses lines from the file at the given +path+,
@@ -12147,10 +12169,6 @@ io_s_readlines(VALUE v)
*
* Returns an array of all lines read from the stream.
*
- * When called from class \IO (but not subclasses of \IO),
- * this method has potential security vulnerabilities if called with untrusted input;
- * see {Command Injection}[rdoc-ref:command_injection.rdoc].
- *
* The first argument must be a string that is the path to a file.
*
* With only argument +path+ given, parses lines from the file at the given +path+,
@@ -12236,17 +12254,17 @@ seek_before_access(VALUE argp)
* Opens the stream, reads and returns some or all of its content,
* and closes the stream; returns +nil+ if no bytes were read.
*
- * When called from class \IO (but not subclasses of \IO),
- * this method has potential security vulnerabilities if called with untrusted input;
- * see {Command Injection}[rdoc-ref:command_injection.rdoc].
- *
* The first argument must be a string that is the path to a file.
*
* With only argument +path+ given, reads in text mode and returns the entire content
* of the file at the given path:
*
- * IO.read('t.txt')
- * # => "First line\nSecond line\n\nThird line\nFourth line\n"
+ * File.read('t.txt')
+ * # => "First line\nSecond line\n\nFourth line\nFifth line\n"
+ * File.read('t.ja')
+ * # => "こんにちは"
+ * File.read('t.dat')
+ * # => "\xFE\xFF\x99\x90\x99\x91\x99\x92\x99\x93\x99\x94"
*
* On Windows, text mode can terminate reading and leave bytes in the file
* unread when encountering certain special bytes. Consider using
@@ -12254,15 +12272,36 @@ seek_before_access(VALUE argp)
*
* With argument +length+, returns +length+ bytes if available:
*
- * IO.read('t.txt', 7) # => "First l"
- * IO.read('t.txt', 700)
+ * File.read('t.txt', 7)
+ * # => "First l"
+ * File.read('t.ja', 7)
+ * # => "\xE3\x81\x93\xE3\x82\x93\xE3"
+ * File.read('t.dat', 7)
+ * # => "\xFE\xFF\x99\x90\x99\x91\x99"
+ *
+ * Returns all bytes if +length+ is larger than the files size:
+ *
+ * File.read('t.txt', 700)
* # => "First line\r\nSecond line\r\n\r\nFourth line\r\nFifth line\r\n"
+ * File.read('t.ja', 700)
+ * # => "\xE3\x81\x93\xE3\x82\x93\xE3\x81\xAB\xE3\x81\xA1\xE3\x81\xAF"
+ * File.read('t.dat', 700)
+ * # => "\xFE\xFF\x99\x90\x99\x91\x99\x92\x99\x93\x99\x94"
*
* With arguments +length+ and +offset+, returns +length+ bytes
* if available, beginning at the given +offset+:
*
- * IO.read('t.txt', 10, 2) # => "rst line\nS"
- * IO.read('t.txt', 10, 200) # => nil
+ * File.read('t.txt', 10, 2)
+ * # => "rst line\r\n"
+ * File.read('t.ja', 10, 2)
+ * # => "\x93\xE3\x82\x93\xE3\x81\xAB\xE3\x81\xA1"
+ * File.read('t.dat', 10, 2)
+ * # => "\x99\x90\x99\x91\x99\x92\x99\x93\x99\x94"
+ *
+ * Returns +nil+ if +offset+ is past the end of the stream:
+ *
+ * File.read('t.txt', 10, 200)
+ * # => nil
*
* Optional keyword arguments +opts+ specify:
*
@@ -12307,10 +12346,6 @@ rb_io_s_read(int argc, VALUE *argv, VALUE io)
* Behaves like IO.read, except that the stream is opened in binary mode
* with ASCII-8BIT encoding.
*
- * When called from class \IO (but not subclasses of \IO),
- * this method has potential security vulnerabilities if called with untrusted input;
- * see {Command Injection}[rdoc-ref:command_injection.rdoc].
- *
*/
static VALUE
@@ -12406,40 +12441,50 @@ io_s_write(int argc, VALUE *argv, VALUE klass, int binary)
/*
* call-seq:
- * IO.write(path, data, offset = 0, **opts) -> integer
+ * IO.write(path, data, offset = 0, **opts) -> nonnegative_integer
*
* Opens the stream, writes the given +data+ to it,
* and closes the stream; returns the number of bytes written.
*
- * When called from class \IO (but not subclasses of \IO),
- * this method has potential security vulnerabilities if called with untrusted input;
- * see {Command Injection}[rdoc-ref:command_injection.rdoc].
- *
* The first argument must be a string that is the path to a file.
*
- * With only argument +path+ given, writes the given +data+ to the file at that path:
+ * With only arguments +path+ and +data+ given,
+ * writes the given data to the file at that path:
*
- * IO.write('t.tmp', 'abc') # => 3
- * File.read('t.tmp') # => "abc"
+ * path = 't.tmp'
+ * File.write(path, "First line\nSecond line\n\nFourth line\nFifth line\n") # => 47
+ * File.write(path, 'こんにちは') # => 15
+ * File.write(path, "\xFE\xFF\x99\x90\x99\x91\x99\x92\x99\x93\x99\x94") # => 12
*
- * If +offset+ is zero (the default), the file is overwritten:
+ * When +offset+ is zero (the default), the entire file content is overwritten:
*
- * IO.write('t.tmp', 'A') # => 1
- * File.read('t.tmp') # => "A"
+ * File.read(path) # => "\xFE\xFF\x99\x90\x99\x91\x99\x92\x99\x93\x99\x94"
+ * File.write(path, 'foo')
+ * File.read(path) # => "foo"
*
- * If +offset+ in within the file content, the file is partly overwritten:
+ * When +offset+ in within the file content, the file content is partly overwritten,
+ * beginning at byte +offset+:
*
- * IO.write('t.tmp', 'abcdef') # => 3
- * File.read('t.tmp') # => "abcdef"
- * # Offset within content.
- * IO.write('t.tmp', '012', 2) # => 3
- * File.read('t.tmp') # => "ab012f"
+ * File.write(path, "First line\nSecond line\n\nFourth line\nFifth line\n")
+ * File.write(path, 'LINE', 6)
+ * File.read(path) # => "First LINE\nSecond line\n\nFourth line\nFifth line\n"
+ *
+ * When the file contains multi-byte characters,
+ * the effect of writing may disturb some characters:
+ *
+ * File.write(path, "こんにちは")
+ * File.write(path, 'FOO', 3) # Replace one 3-byte character.
+ * File.read(path) # => "こFOOにちは"
+ * File.write(path, 'BAR', 7) # Replace bytes in two different 3-byte characters.
+ * File.read(path) # => "こFOO\xE3BAR\x81\xA1は"
*
* If +offset+ is outside the file content,
* the file is padded with null characters <tt>"\u0000"</tt>:
*
- * IO.write('t.tmp', 'xyz', 10) # => 3
- * File.read('t.tmp') # => "ab012f\u0000\u0000\u0000\u0000xyz"
+ * File.write(path, "First line\nSecond line\n\nFourth line\nFifth line\n")
+ * File.write(path, 'FOO', 55)
+ * File.read(path)
+ * # => "First line\nSecond line\n\nFourth line\nFifth line\n\u0000\u0000\u0000FOO"
*
* Optional keyword arguments +opts+ specify:
*
@@ -12456,15 +12501,11 @@ rb_io_s_write(int argc, VALUE *argv, VALUE io)
/*
* call-seq:
- * IO.binwrite(path, string, offset = 0) -> integer
+ * IO.binwrite(path, string, offset = 0, **opts) -> integer
*
* Behaves like IO.write, except that the stream is opened in binary mode
* with ASCII-8BIT encoding.
*
- * When called from class \IO (but not subclasses of \IO),
- * this method has potential security vulnerabilities if called with untrusted input;
- * see {Command Injection}[rdoc-ref:command_injection.rdoc].
- *
*/
static VALUE
@@ -13683,6 +13724,7 @@ argf_set_encoding(int argc, VALUE *argv, VALUE argf)
rb_io_set_encoding(argc, argv, ARGF.current_file);
GetOpenFile(ARGF.current_file, fptr);
ARGF.encs = fptr->encs;
+ RB_OBJ_WRITTEN(argf, Qundef, ARGF.encs.ecopts);
return argf;
}
@@ -14615,7 +14657,7 @@ argf_inplace_mode_set(VALUE argf, VALUE val)
ARGF.inplace = Qnil;
}
else {
- ARGF.inplace = rb_str_new_frozen(val);
+ ARGF_SET(inplace, rb_str_new_frozen(val));
}
return argf;
}
@@ -14629,7 +14671,7 @@ opt_i_set(VALUE val, ID id, VALUE *var)
void
ruby_set_inplace_mode(const char *suffix)
{
- ARGF.inplace = !suffix ? Qfalse : !*suffix ? Qnil : rb_str_new(suffix, strlen(suffix));
+ ARGF_SET(inplace, !suffix ? Qfalse : !*suffix ? Qnil : rb_str_new(suffix, strlen(suffix)));
}
/*
@@ -14889,7 +14931,7 @@ set_LAST_READ_LINE(VALUE val, ID _x, VALUE *_y)
* - \File +t.rb+:
*
* p "ARGV: #{ARGV}"
- * p "Line: #{ARGF.read}" # Read everything from all specified streams.
+ * p "Read: #{ARGF.read}" # Read everything from all specified streams.
*
* - Command and output:
*
@@ -14963,9 +15005,7 @@ set_LAST_READ_LINE(VALUE val, ID _x, VALUE *_y)
* ["ARGV", ["-"]]
* ["ARGF.read", "Open the pod bay doors, Hal.\n"]
*
- * When no character <tt>'-'</tt> is given, stream <tt>$stdin</tt> is ignored
- * (exception:
- * see {Specifying $stdin in ARGV}[rdoc-ref:ARGF@Specifying+-24stdin+in+ARGV]):
+ * When no character <tt>'-'</tt> is given, stream <tt>$stdin</tt> is ignored.
*
* - Command and output:
*
@@ -15080,7 +15120,7 @@ set_LAST_READ_LINE(VALUE val, ID _x, VALUE *_y)
* Like a File stream, an \IO stream has:
*
* - A read/write mode, which may be read-only, write-only, or read/write;
- * see {Read/Write Mode}[rdoc-ref:File@Read-2FWrite+Mode].
+ * see {Read/Write Mode}[rdoc-ref:File@ReadWrite+Mode].
* - A data mode, which may be text-only or binary;
* see {Data Mode}[rdoc-ref:File@Data+Mode].
* - Internal and external encodings;
@@ -15124,7 +15164,7 @@ set_LAST_READ_LINE(VALUE val, ID _x, VALUE *_y)
* - +:binmode+: If a truthy value, specifies the mode as binary, text-only otherwise.
* - +:autoclose+: If a truthy value, specifies that the +fd+ will close
* when the stream closes; otherwise it remains open.
- * - +:path:+ If a string value is provided, it is used in #inspect and is available as
+ * - +:path+: If a string value is provided, it is used in #inspect and is available as
* #path method.
*
* Also available are the options offered in String#encode,
@@ -15321,11 +15361,13 @@ set_LAST_READ_LINE(VALUE val, ID _x, VALUE *_y)
* File.open('t.txt') {|f| f.gets(11) } # => "First line\n"
* File.open('t.txt') {|f| f.gets(12) } # => "First line\n"
*
- * # Text with 2-byte characters, which will not be split.
- * File.open('t.rus') {|f| f.gets(1).size } # => 1
- * File.open('t.rus') {|f| f.gets(2).size } # => 1
- * File.open('t.rus') {|f| f.gets(3).size } # => 2
- * File.open('t.rus') {|f| f.gets(4).size } # => 2
+ * # Text with 3-byte characters, which will not be split.
+ * File.read('t.ja') # => "こんにちは"
+ * File.open('t.ja') {|f| f.gets(1).size } # => 1
+ * File.open('t.ja') {|f| f.gets(2).size } # => 1
+ * File.open('t.ja') {|f| f.gets(3).size } # => 1
+ * File.open('t.ja') {|f| f.gets(4).size } # => 2
+ * File.open('t.ja') {|f| f.gets(5).size } # => 2
*
* ===== Line Separator and Line Limit
*
@@ -15476,8 +15518,8 @@ set_LAST_READ_LINE(VALUE val, ID _x, VALUE *_y)
*
* First, what's elsewhere. Class \IO:
*
- * - Inherits from {class Object}[rdoc-ref:Object@What-27s+Here].
- * - Includes {module Enumerable}[rdoc-ref:Enumerable@What-27s+Here],
+ * - Inherits from {class Object}[rdoc-ref:Object@Whats+Here].
+ * - Includes {module Enumerable}[rdoc-ref:Enumerable@Whats+Here],
* which provides dozens of additional methods.
*
* Here, class \IO provides methods that are useful for:
@@ -15741,7 +15783,7 @@ Init_IO(void)
rb_define_method(rb_cIO, "initialize", rb_io_initialize, -1);
rb_output_fs = Qnil;
- rb_define_hooked_variable("$,", &rb_output_fs, 0, deprecated_str_setter);
+ rb_define_hooked_variable("$,", &rb_output_fs, 0, rb_deprecated_str_setter);
rb_default_rs = rb_fstring_lit("\n"); /* avoid modifying RS_default */
rb_vm_register_global_object(rb_default_rs);
@@ -15751,10 +15793,11 @@ Init_IO(void)
rb_gvar_ractor_local("$/"); // not local but ractor safe
rb_define_hooked_variable("$-0", &rb_rs, 0, deprecated_rs_setter);
rb_gvar_ractor_local("$-0"); // not local but ractor safe
- rb_define_hooked_variable("$\\", &rb_output_rs, 0, deprecated_str_setter);
+ rb_define_hooked_variable("$\\", &rb_output_rs, 0, rb_deprecated_str_setter);
rb_define_virtual_variable("$_", get_LAST_READ_LINE, set_LAST_READ_LINE);
rb_gvar_ractor_local("$_");
+ rb_gvar_box_dynamic("$_");
rb_define_method(rb_cIO, "initialize_copy", rb_io_init_copy, 1);
rb_define_method(rb_cIO, "reopen", rb_io_reopen, -1);
@@ -15976,7 +16019,7 @@ Init_IO(void)
rb_define_hooked_variable("$.", &argf, argf_lineno_getter, argf_lineno_setter);
rb_define_hooked_variable("$FILENAME", &argf, argf_filename_getter, rb_gvar_readonly_setter);
- ARGF.filename = rb_str_new2("-");
+ ARGF_SET(filename, rb_str_new2("-"));
rb_define_hooked_variable("$-i", &argf, opt_i_get, opt_i_set);
rb_gvar_ractor_local("$-i");