open_issues/faccessat: New.

2 files changed, 47 insertions, 0 deletions

diff --git a/open_issues/faccessat.mdwn b/open_issues/faccessat.mdwn
new file mode 100644
index 00000000..911acbb6
--- /dev/null
+++ b/open_issues/faccessat.mdwn
@@ -0,0 +1,21 @@
+[[!meta copyright="Copyright © 2012 Free Software Foundation, Inc."]]
+
+[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable
+id="license" text="Permission is granted to copy, distribute and/or modify this
+document under the terms of the GNU Free Documentation License, Version 1.2 or
+any later version published by the Free Software Foundation; with no Invariant
+Sections, no Front-Cover Texts, and no Back-Cover Texts.  A copy of the license
+is included in the section entitled [[GNU Free Documentation
+License|/fdl]]."]]"""]]
+
+[[!tag open_issue_glibc open_issue_hurd]]
+
+`faccessat()` fails on some cases; in particular when:
+
+* flags does not have `AT_EACCESS`
+* dirfd is not `AT_FDCWD`
+* pathname is not an absolute path
+
+In such case, it will return -1 setting `ENOTSUP` as errno.
+
+[[faccessat.c]]
diff --git a/open_issues/faccessat/faccessat.c b/open_issues/faccessat/faccessat.c
new file mode 100644
index 00000000..24b1233c
--- /dev/null
+++ b/open_issues/faccessat/faccessat.c
@@ -0,0 +1,26 @@
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+
+#define TESTFN "faccessat-test-file"
+
+int main()
+{
+  int fd;
+  int ret;
+
+  system("touch " TESTFN );
+  fd = open(".", O_RDONLY);
+  printf("> open: %d\n", fd);
+
+  errno = 0;
+  ret = faccessat(fd, TESTFN, R_OK, 0);
+  printf("> faccessat: %d, %d (%s)\n", ret, errno, strerror(errno));
+
+  close(fd);
+
+  return 0;
+}