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merge revision(s) 61b7f86248

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* ext/socket/init.c: do not return uninitialized buffer
	  Resize string buffer only if some data is received in
	  BasicSocket#read_nonblock and some methods.

	Co-Authored-By: Samuel Williams <samuel.williams@oriontransfer.co.nz>


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_5@67877 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
usa 2020-03-31 11:40:08 +00:00
parent d4e1eb1dfd
commit d5e7ea9e21
2 changed files with 9 additions and 10 deletions
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17
ext/socket/init.c
View file

@ -109,6 +109,7 @@ rsock_send_blocking(void *data)
struct recvfrom_arg {
int fd, flags;
VALUE str;
size_t length;
socklen_t alen;
union_sockaddr buf;
};
@ -119,10 +120,11 @@ recvfrom_blocking(void *data)
struct recvfrom_arg *arg = data;
socklen_t len0 = arg->alen;
ssize_t ret;
ret = recvfrom(arg->fd, RSTRING_PTR(arg->str), RSTRING_LEN(arg->str),
ret = recvfrom(arg->fd, RSTRING_PTR(arg->str), arg->length,
arg->flags, &arg->buf.addr, &arg->alen);
if (ret != -1 && len0 < arg->alen)
arg->alen = len0;
return (VALUE)ret;
}
@ -140,7 +142,6 @@ rsock_strbuf(VALUE str, long buflen)
} else {
rb_str_modify_expand(str, buflen - len);
}
rb_str_set_len(str, buflen);
return str;
}
@ -176,6 +177,7 @@ rsock_s_recvfrom(VALUE sock, int argc, VALUE *argv, enum sock_recv_type from)
arg.fd = fptr->fd;
arg.alen = (socklen_t)sizeof(arg.buf);
arg.str = str;
arg.length = buflen;
while (rb_io_check_closed(fptr),
rsock_maybe_wait_fd(arg.fd),
@ -186,9 +188,8 @@ rsock_s_recvfrom(VALUE sock, int argc, VALUE *argv, enum sock_recv_type from)
}
}
if (slen != RSTRING_LEN(str)) {
rb_str_set_len(str, slen);
}
/* Resize the string to the amount of data received */
rb_str_set_len(str, slen);
rb_obj_taint(str);
switch (from) {
case RECV_RECV:
@ -321,6 +322,7 @@ rsock_read_nonblock(VALUE sock, VALUE length, VALUE buf, VALUE ex)
GetOpenFile(sock, fptr);
if (len == 0) {
rb_str_set_len(str, 0);
return str;
}
@ -338,12 +340,9 @@ rsock_read_nonblock(VALUE sock, VALUE length, VALUE buf, VALUE ex)
rb_syserr_fail_path(e, fptr->pathv);
}
}
if (len != n) {
if (n != RSTRING_LEN(str)) {
rb_str_modify(str);
rb_str_set_len(str, n);
if (str != buf) {
rb_str_resize(str, n);
}
}
if (n == 0) {
if (ex == Qfalse) return Qnil;

2
version.h
View file

@ -1,6 +1,6 @@
#define RUBY_VERSION "2.5.8"
#define RUBY_RELEASE_DATE "2020-03-31"
#define RUBY_PATCHLEVEL 222
#define RUBY_PATCHLEVEL 223
#define RUBY_RELEASE_YEAR 2020
#define RUBY_RELEASE_MONTH 3