src/libunixonacid/opengetlnclose_at.c


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/* ISC license. */

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

int opengetlnclose_at (int dirfd, char const *fn, stralloc *sa, int sep)
{
  char buf[BUFFER_INSIZE] ;
  buffer b ;
  int r ;
  int e ;
  int fd = open_readatb(dirfd, fn) ;
  if (fd < 0) return -1 ;
  buffer_init(&b, &fd_readv, fd, buf, BUFFER_INSIZE) ;
  r = skagetln(&b, sa, sep) ;
  e = errno ;
  fd_close(fd) ;
  errno = e ;
  return r ;
}