elf/tst-create_format1.c

   1 /* Check _dl_exception_create_format.
   2    Copyright (C) 2018-2023 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <ldsodefs.h>
  20 #include <array_length.h>
  21
  22 #include <support/check.h>
  23 #include <support/xunistd.h>
  24 #include <support/capture_subprocess.h>
  25
  26 #define TEST(es, objn, fmt, ...)                                        \
  27   ({                                                                    \
  28      struct dl_exception exception;                                     \
  29      _dl_exception_create_format (&exception, objn, fmt, __VA_ARGS__);  \
  30      TEST_COMPARE_STRING (exception.objname, objn == NULL ? "" : objn); \
  31      TEST_COMPARE_STRING (exception.errstring, es);                     \
  32      _dl_exception_free (&exception);                                   \
  33    })
  34
  35 static void
  36 do_test_invalid_conversion (void *closure)
  37 {
  38   TEST ("(null)", NULL, "%p", NULL);
  39 }
  40
  41 /* Exit status after abnormal termination.  */
  42 static int invalid_status;
  43
  44 static void
  45 init_invalid_status (void)
  46 {
  47   pid_t pid = xfork ();
  48   if (pid == 0)
  49     _exit (127);
  50   xwaitpid (pid, &invalid_status, 0);
  51   if (WIFEXITED (invalid_status))
  52     invalid_status = WEXITSTATUS (invalid_status);
  53 }
  54
  55 static int
  56 do_test (void)
  57 {
  58   init_invalid_status ();
  59
  60   TEST ("test",      NULL,   "%s",      "test");
  61   TEST ("test-test", NULL,   "%s-test", "test");
  62   TEST ("test",      "test", "%s",      "test");
  63   TEST ("test-test", "test", "%s-test", "test");
  64
  65   TEST ("test%",      NULL,   "%s%%",      "test");
  66   TEST ("test%-test", NULL,   "%s%%-test", "test");
  67   TEST ("test%",      "test", "%s%%",      "test");
  68   TEST ("test%-test", "test", "%s%%-test", "test");
  69
  70   TEST ("0000007b",      NULL,   "%x",      123);
  71   TEST ("0000007b-test", NULL,   "%x-test", 123);
  72   TEST ("0000007b",      "test", "%x",      123);
  73   TEST ("0000007b-test", "test", "%x-test", 123);
  74
  75 #define TEST_LONG(es, objn, fmt, ...)                           \
  76   ({                                                            \
  77      if (sizeof (int) == sizeof (long int))                     \
  78        TEST (es, objn, fmt, __VA_ARGS__);                       \
  79      else                                                       \
  80        TEST ("ffffffff" es, objn, fmt, __VA_ARGS__);            \
  81    })
  82
  83   TEST_LONG ("fffffffd",      NULL,   "%lx",      (long int)~2ul);
  84   TEST_LONG ("fffffffd-test", NULL,   "%lx-test", (long int)~2ul);
  85   TEST_LONG ("fffffffd",      "test", "%lx",      (long int)~2ul);
  86   TEST_LONG ("fffffffd-test", "test", "%lx-test", (long int)~2ul);
  87
  88   TEST_LONG ("fffffffe",      NULL,   "%zx",      (size_t)~1ul);
  89   TEST_LONG ("fffffffe-test", NULL,   "%zx-test", (size_t)~1ul);
  90   TEST_LONG ("fffffffe",      "test", "%zx",      (size_t)~1ul);
  91   TEST_LONG ("fffffffe-test", "test", "%zx-test", (size_t)~1ul);
  92
  93   struct support_capture_subprocess result;
  94   result = support_capture_subprocess (do_test_invalid_conversion, NULL);
  95   support_capture_subprocess_check (&result, "dl-exception",
  96                                     invalid_status, sc_allow_stderr);
  97   TEST_COMPARE_STRING (result.err.buffer,
  98                        "Fatal error: invalid format in exception string\n");
  99
 100   return 0;
 101 }
 102
 103 #include <support/test-driver.c>