1 /* ISC license. */
2 
3 #include <unistd.h>
4 #include <skalibs/allreadwrite.h>
5 #include <skalibs/djbunix.h>
6 #include <skalibs/unix-transactional.h>
7 
openwritenclose_at(int dirfd,char const * file,char const * s,size_t n)8 size_t openwritenclose_at (int dirfd, char const *file, char const *s, size_t n)
9 {
10   size_t r ;
11   int fd = open_truncatb(dirfd, file) ;
12   if (fd < 0) return 0 ;
13   r = allwrite(fd, s, n) ;
14   if (r >= n) fsync(fd) ;
15   fd_close(fd) ;
16   return r ;
17 }
18