diff options
Diffstat (limited to 'io')
-rw-r--r-- | io/Makefile | 2 | ||||
-rw-r--r-- | io/tst-ttyname_r.c | 42 |
2 files changed, 43 insertions, 1 deletions
diff --git a/io/Makefile b/io/Makefile index 4aadfbca01..18287b201a 100644 --- a/io/Makefile +++ b/io/Makefile @@ -66,7 +66,7 @@ tests := test-utime test-stat test-stat2 test-lfs tst-getcwd \ tst-openat tst-unlinkat tst-fstatat tst-futimesat \ tst-renameat tst-fchownat tst-fchmodat tst-faccessat \ tst-symlinkat tst-linkat tst-readlinkat tst-mkdirat \ - tst-mknodat tst-mkfifoat + tst-mknodat tst-mkfifoat tst-ttyname_r distribute := ftwtest-sh diff --git a/io/tst-ttyname_r.c b/io/tst-ttyname_r.c new file mode 100644 index 0000000000..8e2f30c972 --- /dev/null +++ b/io/tst-ttyname_r.c @@ -0,0 +1,42 @@ +#include <errno.h> +#include <error.h> +#include <fcntl.h> +#include <stdio.h> +#include <unistd.h> + +static void do_prepare (void); +#define PREPARE(argc, argv) do_prepare () +static int do_test (void); +#define TEST_FUNCTION do_test () +#include <test-skeleton.c> + +static int temp_fd; + +static void +do_prepare (void) +{ + char *temp_file; + temp_fd = create_temp_file ("tst-ttyname_r.", &temp_file); + if (temp_fd == -1) + error (1, errno, "cannot create temporary file"); +} + +static int +do_test (void) +{ + int ret = 0; + char buf[sysconf (_SC_TTY_NAME_MAX) + 1]; + int res = ttyname_r (-1, buf, sizeof (buf)); + if (res != EBADF) + { + printf ("1st ttyname_r returned with res %d\n", res); + ret++; + } + res = ttyname_r (temp_fd, buf, sizeof (buf)); + if (res != ENOTTY) + { + printf ("2nd ttyname_r returned with res %d\n", res); + ret++; + } + return ret; +} |