tests: do more rigorous testing of futimesat syscall parser

* tests/futimesat.c (errstr): New variable.
(print_ts, k_futimesat): New functions.
(main): Use them to do more rigorous testing of futimesat syscall parser.

diff --git a/tests/futimesat.c b/tests/futimesat.c
index 37425efd06969bbd031852e7fca72ef92124e638..ae83988eca09e721e38fab392ce32f4690543686 100644 (file)
--- a/tests/futimesat.c
+++ b/tests/futimesat.c
@@ -37,40 +37,108 @@
 # include <sys/time.h>
 # include <unistd.h>
 
+static void
+print_tv(const struct timeval *tv)
+{
+       printf("{tv_sec=%ju, tv_usec=%ju}",
+              (uintmax_t) tv->tv_sec, (uintmax_t) tv->tv_usec);
+}
+
+static const char *errstr;
+
+static long
+k_futimesat(const kernel_ulong_t dirfd,
+           const kernel_ulong_t pathname,
+           const kernel_ulong_t times)
+{
+       long rc = syscall(__NR_futimesat, dirfd, pathname, times);
+       errstr = sprintrc(rc);
+       return rc;
+}
 
 int
 main(void)
 {
-       static const char sample[] = "futimesat_sample";
-       unsigned long dirfd = (unsigned long) 0xdeadbeef00000000ULL | -100U;
+       static const kernel_ulong_t bogus_fd =
+               (kernel_ulong_t) 0xbadfaceddeadbeaf;
+       static const kernel_ulong_t kfdcwd =
+               (kernel_ulong_t) 0xdefaced00000000 | -100U;
+       static const char proto_fname[] = "futimesat_sample";
+       static const char qname[] = "\"futimesat_sample\"";
 
-       long rc = syscall(__NR_futimesat, dirfd, sample, 0);
-       printf("futimesat(AT_FDCWD, \"%s\", NULL) = %s\n",
-              sample, sprintrc(rc));
+       char *const fname = tail_memdup(proto_fname, sizeof(proto_fname));
+       const kernel_ulong_t kfname = (uintptr_t) fname;
+       struct timeval *const tv = tail_alloc(sizeof(*tv) * 2);
 
-       struct timeval *const ts = tail_alloc(sizeof(*ts) * 2);
-       dirfd = (unsigned long) 0xdeadbeefffffffffULL;
+       (void) close(0);
 
-       ts[0].tv_sec = 1492356708;
-       ts[0].tv_usec = 567891234;
-       ts[1].tv_sec = 1492357086;
-       ts[1].tv_usec = 678902345;
+       /* dirfd */
+       k_futimesat(0, kfname, 0);
+       printf("futimesat(0, %s, NULL) = %s\n", qname, errstr);
 
-       rc = syscall(__NR_futimesat, dirfd, 0, ts + 2);
-       printf("futimesat(%d, NULL, %p) = %s\n",
-              (int) dirfd, ts + 2, sprintrc(rc));
+       k_futimesat(bogus_fd, kfname, 0);
+       printf("futimesat(%d, %s, NULL) = %s\n", (int) bogus_fd, qname, errstr);
 
-       rc = syscall(__NR_futimesat, dirfd, 0, ts + 1);
-       printf("futimesat(%d, NULL, %p) = %s\n",
-              (int) dirfd, ts + 1, sprintrc(rc));
+       k_futimesat(-100U, kfname, 0);
+       printf("futimesat(AT_FDCWD, %s, NULL) = %s\n", qname, errstr);
 
-       (void) close(0);
-       rc = syscall(__NR_futimesat, 0, "", ts);
-       printf("futimesat(0, \"\", [{tv_sec=%jd, tv_usec=%jd}, "
-              "{tv_sec=%jd, tv_usec=%jd}]) = %s\n",
-              (intmax_t) ts[0].tv_sec, (intmax_t) ts[0].tv_usec,
-              (intmax_t) ts[1].tv_sec, (intmax_t) ts[1].tv_usec,
-              sprintrc(rc));
+       k_futimesat(kfdcwd, kfname, 0);
+       printf("futimesat(AT_FDCWD, %s, NULL) = %s\n", qname, errstr);
+
+       /* pathname */
+       k_futimesat(kfdcwd, 0, 0);
+       printf("futimesat(AT_FDCWD, NULL, NULL) = %s\n", errstr);
+
+       k_futimesat(kfdcwd, kfname + sizeof(proto_fname) - 1, 0);
+       printf("futimesat(AT_FDCWD, \"\", NULL) = %s\n", errstr);
+
+       fname[sizeof(proto_fname) - 1] = '+';
+       k_futimesat(kfdcwd, kfname, 0);
+       fname[sizeof(proto_fname) - 1] = '\0';
+       printf("futimesat(AT_FDCWD, %p, NULL) = %s\n", fname, errstr);
+
+       if (F8ILL_KULONG_SUPPORTED) {
+               k_futimesat(kfdcwd, f8ill_ptr_to_kulong(fname), 0);
+               printf("futimesat(AT_FDCWD, %#jx, NULL) = %s\n",
+                      (uintmax_t) f8ill_ptr_to_kulong(fname), errstr);
+       }
+
+       /* times */
+       k_futimesat(kfdcwd, kfname, (uintptr_t) (tv + 1));
+       printf("futimesat(AT_FDCWD, %s, %p) = %s\n",
+              qname, tv + 1, errstr);
+
+       k_futimesat(kfdcwd, kfname, (uintptr_t) (tv + 2));
+       printf("futimesat(AT_FDCWD, %s, %p) = %s\n",
+              qname, tv + 2, errstr);
+
+       tv[0].tv_sec = 1492356708;
+       tv[0].tv_usec = 567891234;
+       tv[1].tv_sec = 1492357086;
+       tv[1].tv_usec = 678902345;
+
+       k_futimesat(kfdcwd, kfname, (uintptr_t) tv);
+       printf("futimesat(AT_FDCWD, %s, [", qname);
+       print_tv(&tv[0]);
+       printf(", ");
+       print_tv(&tv[1]);
+       printf("]) = %s\n", errstr);
+
+       tv[0].tv_usec = 567891;
+       tv[1].tv_usec = 678902;
+
+       k_futimesat(kfdcwd, kfname, (uintptr_t) tv);
+       printf("futimesat(AT_FDCWD, %s, [", qname);
+       print_tv(&tv[0]);
+       printf(", ");
+       print_tv(&tv[1]);
+       printf("]) = %s\n", errstr);
+
+       if (F8ILL_KULONG_SUPPORTED) {
+               k_futimesat(kfdcwd, kfname, f8ill_ptr_to_kulong(tv));
+               printf("futimesat(AT_FDCWD, %s, %#jx) = %s\n",
+                      qname, (uintmax_t) f8ill_ptr_to_kulong(tv), errstr);
+       }
 
        puts("+++ exited with 0 +++");
        return 0;