1 files changed, 19 insertions, 0 deletions
diff --git a/src/libunixonacid/openreadnclose_at.c b/src/libunixonacid/openreadnclose_at.c
new file mode 100644
index 0000000..4e8209d
--- /dev/null
+++ b/src/libunixonacid/openreadnclose_at.c
@@ -0,0 +1,19 @@
+/* ISC license. */
+
+#include <errno.h>
+#include <skalibs/allreadwrite.h>
+#include <skalibs/djbunix.h>
+#include <skalibs/unix-transactional.h>
+
+unsigned int openreadnclose_at (int dirfd, char const *file, char *s, unsigned int n)
+{
+  register unsigned int r ;
+  register int e ;
+  int fd = open_readatb(dirfd, file) ;
+  if (fd < 0) return 0 ;
+  r = allread(fd, s, n) ;
+  e = errno ;
+  fd_close(fd) ;
+  errno = e ;
+  return r ;
+}