silence bsd warning

8 months ago · 8d027b2a2b
parent e394b3cb06
commit 8d027b2a2b
1 changed files with 2 additions and 1 deletions
--- a/io/io_sendfile.c
+++ b/io/io_sendfile.c
@ -13,7 +13,8 @@

 int64 io_sendfile(int64 s,int64 fd,uint64 off,uint64 n) {
  off_t sbytes;
-  int r=sendfile(fd,s,off,n,0,&sbytes,0);
+  size_t ct=n>0x7fffffffull ? 0x7fffffff : (size_t)n;
+  int r=sendfile(fd,s,off,ct,0,&sbytes,0);
  if (r==-1) {
    io_eagain_write(s);
    return (errno==EAGAIN?(sbytes?sbytes:-1):-3);