jnlib/t-support.c

   1 /* t-support.c - helper functions for the regression tests.
   2  * Copyright (C) 2007 Free Software Foundation, Inc.
   3  *
   4  * This file is part of JNLIB.
   5  *
   6  * JNLIB is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU Lesser General Public License as
   8  * published by the Free Software Foundation; either version 3 of
   9  * the License, or (at your option) any later version.
  10  *
  11  * JNLIB is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this program; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include <config.h>
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <string.h>
  24 #include <errno.h>
  25 #include <assert.h>
  26
  27 #include "t-support.h"
  28
  29 \f
  30 /* Replacements for the malloc functions as used here. */
  31
  32 static void
  33 out_of_memory (void)
  34 {
  35   fprintf (stderr,"error: out of core in regression tests: %s\n",
  36            strerror (errno));
  37   exit (2);
  38 }
  39
  40
  41 void *
  42 gcry_malloc (size_t n)
  43 {
  44   return malloc (n);
  45 }
  46
  47 void *
  48 gcry_xmalloc (size_t n)
  49 {
  50   void *p = malloc (n);
  51   if (!p)
  52     out_of_memory ();
  53   return p;
  54 }
  55
  56 char *
  57 gcry_strdup (const char *string)
  58 {
  59   return malloc (strlen (string)+1);
  60 }
  61
  62
  63 void *
  64 gcry_realloc (void *a, size_t n)
  65 {
  66   return realloc (a, n);
  67 }
  68
  69 void *
  70 gcry_xrealloc (void *a, size_t n)
  71 {
  72   void *p = realloc (a, n);
  73   if (!p)
  74     out_of_memory ();
  75   return p;
  76 }
  77
  78
  79
  80 void *
  81 gcry_calloc (size_t n, size_t m)
  82 {
  83   return calloc (n, m);
  84 }
  85
  86 void *
  87 gcry_xcalloc (size_t n, size_t m)
  88 {
  89   void *p = calloc (n, m);
  90   if (!p)
  91     out_of_memory ();
  92   return p;
  93 }
  94
  95
  96 char *
  97 gcry_xstrdup (const char *string)
  98 {
  99   void *p = malloc (strlen (string)+1);
 100   if (!p)
 101     out_of_memory ();
 102   strcpy (p, string);
 103   return p;
 104 }
 105
 106 void
 107 gcry_free (void *a)
 108 {
 109   if (a)
 110     free (a);
 111 }
 112
 113
 114 \f
 115 /* Stubs for gpg-error functions required because some compilers do
 116    not eliminate the supposed-to-be-unused-inline-functions and thus
 117    require functions called from these inline fucntions.  Although we
 118    do not use gpg-error, gpg-error.h may get included via gcrypt.h if
 119    it happens to be used used in libjnlib-config.h.  */
 120 int
 121 gpg_err_code_from_errno (int err)
 122 {
 123   (void)err;
 124   assert (!"stub function");
 125   return -1;
 126 }
 127
 128
 129 /* Retrieve the error code directly from the ERRNO variable.  This
 130    returns GPG_ERR_UNKNOWN_ERRNO if the system error is not mapped
 131    (report this) and GPG_ERR_MISSING_ERRNO if ERRNO has the value 0. */
 132 int
 133 gpg_err_code_from_syserror (void)
 134 {
 135   assert (!"stub function");
 136   return -1;
 137 }
 138
 139
 140