testdir46: try 2.

Author: bhaible

testdir46/gltests/test-xstrtol.c

@@ -68,20 +68,32 @@ main (int argc, char **argv)
 
       /* Test an invalid base (undefined behaviour, as documented in xstrtol.h).
          Reported by Alejandro Colomar.  */
-#if !(defined __CYGWIN__ || defined _MSC_VER)
+#if 1 // !(defined __CYGWIN__ || defined _MSC_VER)
       {
         const char input[] = "k";
         char *endp = NULL;
         __strtol_t val = -17;
         strtol_error s_err = __xstrtol (input, &endp, -1, &val, "k");
-# if !(defined __GLIBC__ || is_GNULIB_strtol)
-        ASSERT (s_err == LONGINT_OK);
-        ASSERT (endp == input + 1);
-        ASSERT (val == 1024);
-# else
-        ASSERT (s_err == LONGINT_INVALID);
-        ASSERT (val == -17);
-# endif
+        if (s_err == LONGINT_INVALID)
+          {
+            /* On glibc or when the gnulib replacement function is used,
+               strtol (input, &endp, -1) returns 0 with errno == EINVAL,
+               *without* changing endp.  xstrtol then returns LONGINT_INVALID.
+             */
+            ASSERT (s_err == LONGINT_INVALID);
+            ASSERT (val == -17);
+          }
+        else
+          {
+            /* On musl libc, macOS, NetBSD, OpenBSD, Solaris, mingw,
+               when the gnulib replacement function is not used,
+               strtol (input, &endp, -1) returns 0 with errno == EINVAL,
+               setting endp = input.  xstrtol then performs the suffix
+               processing and finally returns LONGINT_OK.  */
+            ASSERT (s_err == LONGINT_OK);
+            ASSERT (endp == input + 1);
+            ASSERT (val == 1024);
+          }
       }
 #endif