normal	2017-01-17 06:42:05 +0900 (Tue, 17 Jan 2017)

  New Revision: 57354

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=57354

  Log:
    basicsocket (rsock_bsock_send): do not truncate return value
    
    send(2) and sendto(2) syscalls return `ssize_t', use the
    proper type and macro for converting to a Numeric VALUE.

  Modified files:
    trunk/ext/socket/basicsocket.c
Index: ext/socket/basicsocket.c
===================================================================
--- ext/socket/basicsocket.c	(revision 57353)
+++ ext/socket/basicsocket.c	(revision 57354)
@@ -530,7 +530,7 @@ rsock_bsock_send(int argc, VALUE *argv, https://github.com/ruby/ruby/blob/trunk/ext/socket/basicsocket.c#L530
     struct rsock_send_arg arg;
     VALUE flags, to;
     rb_io_t *fptr;
-    int n;
+    ssize_t n;
     rb_blocking_function_t *func;
 
     rb_scan_args(argc, argv, "21", &arg.mesg, &flags, &to);
@@ -550,13 +550,13 @@ rsock_bsock_send(int argc, VALUE *argv, https://github.com/ruby/ruby/blob/trunk/ext/socket/basicsocket.c#L550
     arg.fd = fptr->fd;
     arg.flags = NUM2INT(flags);
     while (rsock_maybe_fd_writable(arg.fd),
-	   (n = (int)BLOCKING_REGION_FD(func, &arg)) < 0) {
+	   (n = (ssize_t)BLOCKING_REGION_FD(func, &arg)) < 0) {
 	if (rb_io_wait_writable(arg.fd)) {
 	    continue;
 	}
 	rb_sys_fail("send(2)");
     }
-    return INT2FIX(n);
+    return SSIZET2NUM(n);
 }
 
 /*

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