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   char *p = malloc (strlen (string)+1);
  60   if (p)
  61     strcpy (p, string);
  62   return p;
  63 }
  64
  65
  66 void *
  67 gcry_realloc (void *a, size_t n)
  68 {
  69   return realloc (a, n);
  70 }
  71
  72 void *
  73 gcry_xrealloc (void *a, size_t n)
  74 {
  75   void *p = realloc (a, n);
  76   if (!p)
  77     out_of_memory ();
  78   return p;
  79 }
  80
  81
  82
  83 void *
  84 gcry_calloc (size_t n, size_t m)
  85 {
  86   return calloc (n, m);
  87 }
  88
  89 void *
  90 gcry_xcalloc (size_t n, size_t m)
  91 {
  92   void *p = calloc (n, m);
  93   if (!p)
  94     out_of_memory ();
  95   return p;
  96 }
  97
  98
  99 char *
 100 gcry_xstrdup (const char *string)
 101 {
 102   void *p = malloc (strlen (string)+1);
 103   if (!p)
 104     out_of_memory ();
 105   strcpy (p, string);
 106   return p;
 107 }
 108
 109 void
 110 gcry_free (void *a)
 111 {
 112   if (a)
 113     free (a);
 114 }
 115
 116
 117 \f
 118 /* Stubs for gpg-error functions required because some compilers do
 119    not eliminate the supposed-to-be-unused-inline-functions and thus
 120    require functions called from these inline fucntions.  Although we
 121    do not use gpg-error, gpg-error.h may get included via gcrypt.h if
 122    it happens to be used used in libjnlib-config.h.  */
 123 int
 124 gpg_err_code_from_errno (int err)
 125 {
 126   (void)err;
 127   assert (!"stub function");
 128   return -1;
 129 }
 130
 131
 132 /* Retrieve the error code directly from the ERRNO variable.  This
 133    returns GPG_ERR_UNKNOWN_ERRNO if the system error is not mapped
 134    (report this) and GPG_ERR_MISSING_ERRNO if ERRNO has the value 0. */
 135 int
 136 gpg_err_code_from_syserror (void)
 137 {
 138   assert (!"stub function");
 139   return -1;
 140 }
 141
 142
 143