src/libunixonacid/openslurpclose_at.c


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21

/* ISC license. */

#include <errno.h>
#include <skalibs/stralloc.h>
#include <skalibs/djbunix.h>
#include <skalibs/unix-transactional.h>

int openslurpclose_at (int dirfd, char const *fn, stralloc *sa)
{
  int fd = open_readatb(dirfd, fn) ;
  if (fd < 0) return 0 ;
  if (!slurp(sa, fd))
  {
    int e = errno ;
    fd_close(fd) ;
    errno = e ;
    return 0 ;
  }
  fd_close(fd) ;
  return 1 ;
}