libgfortran/intrinsics/iso_c_generated_procs.c

   1 /* Implementation of the ISO_C_BINDING library helper generated functions.
   2    Copyright (C) 2007 Free Software Foundation, Inc.
   3    Contributed by Christopher Rickett.
   4
   5 This file is part of the GNU Fortran 95 runtime library (libgfortran).
   6
   7 Libgfortran is free software; you can redistribute it and/or
   8 modify it under the terms of the GNU General Public
   9 License as published by the Free Software Foundation; either
  10 version 2 of the License, or (at your option) any later version.
  11
  12 In addition to the permissions in the GNU General Public License, the
  13 Free Software Foundation gives you unlimited permission to link the
  14 compiled version of this file into combinations with other programs,
  15 and to distribute those combinations without any restriction coming
  16 from the use of this file.  (The General Public License restrictions
  17 do apply in other respects; for example, they cover modification of
  18 the file, and distribution when not linked into a combine
  19 executable.)
  20
  21 Libgfortran is distributed in the hope that it will be useful,
  22 but WITHOUT ANY WARRANTY; without even the implied warranty of
  23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24 GNU General Public License for more details.
  25
  26 You should have received a copy of the GNU General Public
  27 License along with libgfortran; see the file COPYING.  If not,
  28 write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  29 Boston, MA 02110-1301, USA.  */
  30
  31
  32 #include "libgfortran.h"
  33 #include "iso_c_binding.h"
  34
  35
  36 /* TODO: This file needs to be finished so that a function is provided
  37    for all possible type/kind combinations!  */
  38
  39 #ifdef HAVE_GFC_INTEGER_1
  40 void ISO_C_BINDING_PREFIX (c_f_pointer_i1) (void *, gfc_array_void *,
  41                                             const array_t *);
  42 #endif
  43
  44 #ifdef HAVE_GFC_INTEGER_2
  45 void ISO_C_BINDING_PREFIX (c_f_pointer_i2) (void *, gfc_array_void *,
  46                                             const array_t *);
  47 #endif
  48
  49 #ifdef HAVE_GFC_INTEGER_4
  50 void ISO_C_BINDING_PREFIX (c_f_pointer_i4) (void *, gfc_array_void *,
  51                                             const array_t *);
  52 #endif
  53
  54 #ifdef HAVE_GFC_INTEGER_8
  55 void ISO_C_BINDING_PREFIX (c_f_pointer_i8) (void *, gfc_array_void *,
  56                                             const array_t *);
  57 #endif
  58
  59 #ifdef HAVE_GFC_INTEGER_16
  60 void ISO_C_BINDING_PREFIX (c_f_pointer_i16) (void *, gfc_array_void *,
  61                                              const array_t *);
  62 #endif
  63
  64 #ifdef HAVE_GFC_REAL_4
  65 void ISO_C_BINDING_PREFIX (c_f_pointer_r4) (void *, gfc_array_void *,
  66                                             const array_t *);
  67 #endif
  68
  69 #ifdef HAVE_GFC_REAL_8
  70 void ISO_C_BINDING_PREFIX (c_f_pointer_r8) (void *, gfc_array_void *,
  71                                             const array_t *);
  72 #endif
  73
  74 #ifdef HAVE_GFC_REAL_10
  75 void ISO_C_BINDING_PREFIX (c_f_pointer_r10) (void *, gfc_array_void *,
  76                                              const array_t *);
  77 #endif
  78 #ifdef HAVE_GFC_REAL_16
  79 void ISO_C_BINDING_PREFIX (c_f_pointer_r16) (void *, gfc_array_void *,
  80                                              const array_t *);
  81 #endif
  82
  83
  84 #ifdef HAVE_GFC_INTEGER_1
  85 /* Set the given Fortran pointer, 'f_ptr_out', to point to the given C
  86    address, 'c_ptr_in'.  The Fortran pointer is of type integer and
  87    kind=1.  The function c_f_pointer is used to set up the pointer
  88    descriptor.  shape is a one-dimensional array of integers
  89    specifying the upper bounds of the array pointed to by the given C
  90    address, if applicable.  'shape' is an optional parameter in
  91    Fortran, so if the user does not provide it, it will come in here
  92    as NULL.  */
  93
  94 void
  95 ISO_C_BINDING_PREFIX (c_f_pointer_i1) (void *c_ptr_in,
  96                                        gfc_array_void *f_ptr_out,
  97                                        const array_t *shape)
  98 {
  99   /* Here we have an integer(kind=1).  */
 100   ISO_C_BINDING_PREFIX (c_f_pointer) (c_ptr_in, f_ptr_out, shape,
 101                                       (int) GFC_DTYPE_INTEGER,
 102                                       (int) sizeof (GFC_INTEGER_1));
 103 }
 104 #endif
 105
 106
 107 #ifdef HAVE_GFC_INTEGER_2
 108 /* Set the given Fortran pointer, 'f_ptr_out', to point to the given C
 109    address, 'c_ptr_in'.  The Fortran pointer is of type integer and
 110    kind=2.  The function c_f_pointer is used to set up the pointer
 111    descriptor.  shape is a one-dimensional array of integers
 112    specifying the upper bounds of the array pointed to by the given C
 113    address, if applicable.  'shape' is an optional parameter in
 114    Fortran, so if the user does not provide it, it will come in here
 115    as NULL.  */
 116
 117 void
 118 ISO_C_BINDING_PREFIX (c_f_pointer_i2) (void *c_ptr_in,
 119                                        gfc_array_void *f_ptr_out,
 120                                        const array_t *shape)
 121 {
 122   /* Here we have an integer(kind=2).  */
 123   ISO_C_BINDING_PREFIX (c_f_pointer) (c_ptr_in, f_ptr_out, shape,
 124                                       (int) GFC_DTYPE_INTEGER,
 125                                       (int) sizeof (GFC_INTEGER_2));
 126 }
 127 #endif
 128
 129
 130 #ifdef HAVE_GFC_INTEGER_4
 131 /* Set the given Fortran pointer, f_ptr_out, to point to the given C
 132    address, c_ptr_in.  The Fortran pointer is of type integer and
 133    kind=4.  The function c_f_pointer is used to set up the pointer
 134    descriptor.  */
 135
 136 void
 137 ISO_C_BINDING_PREFIX (c_f_pointer_i4) (void *c_ptr_in,
 138                                        gfc_array_void *f_ptr_out,
 139                                        const array_t *shape)
 140 {
 141   /* Here we have an integer(kind=4).  */
 142   ISO_C_BINDING_PREFIX (c_f_pointer) (c_ptr_in, f_ptr_out, shape,
 143                                       (int) GFC_DTYPE_INTEGER,
 144                                       (int) sizeof (GFC_INTEGER_4));
 145 }
 146 #endif
 147
 148
 149 #ifdef HAVE_GFC_INTEGER_8
 150 /* Set the given Fortran pointer, f_ptr_out, to point to the given C
 151    address, c_ptr_in.  The Fortran pointer is of type integer and
 152    kind=8.  The function c_f_pointer is used to set up the pointer
 153    descriptor.  */
 154
 155 void
 156 ISO_C_BINDING_PREFIX (c_f_pointer_i8) (void *c_ptr_in,
 157                                        gfc_array_void *f_ptr_out,
 158                                        const array_t *shape)
 159 {
 160   /* Here we have an integer(kind=8).  */
 161   ISO_C_BINDING_PREFIX (c_f_pointer) (c_ptr_in, f_ptr_out, shape,
 162                                       (int) GFC_DTYPE_INTEGER,
 163                                       (int) sizeof (GFC_INTEGER_8));
 164 }
 165 #endif
 166
 167
 168 #ifdef HAVE_GFC_INTEGER_16
 169 /* Set the given Fortran pointer, 'f_ptr_out', to point to the given C
 170    address, 'c_ptr_in'.  The Fortran pointer is of type integer and
 171    kind=16.  The function c_f_pointer is used to set up the pointer
 172    descriptor.  shape is a one-dimensional array of integers
 173    specifying the upper bounds of the array pointed to by the given C
 174    address, if applicable.  'shape' is an optional parameter in
 175    Fortran, so if the user does not provide it, it will come in here
 176    as NULL.  */
 177
 178 void
 179 ISO_C_BINDING_PREFIX (c_f_pointer_i16) (void *c_ptr_in,
 180                                         gfc_array_void *f_ptr_out,
 181                                         const array_t *shape)
 182 {
 183   /* Here we have an integer(kind=16).  */
 184   ISO_C_BINDING_PREFIX (c_f_pointer) (c_ptr_in, f_ptr_out, shape,
 185                                       (int) GFC_DTYPE_INTEGER,
 186                                       (int) sizeof (GFC_INTEGER_16));
 187 }
 188 #endif
 189
 190
 191 #ifdef HAVE_GFC_REAL_4
 192 /* Set the given Fortran pointer, f_ptr_out, to point to the given C
 193    address, c_ptr_in.  The Fortran pointer is of type real and
 194    kind=4.  The function c_f_pointer is used to set up the pointer
 195    descriptor.  */
 196
 197 void
 198 ISO_C_BINDING_PREFIX (c_f_pointer_r4) (void *c_ptr_in,
 199                                        gfc_array_void *f_ptr_out,
 200                                        const array_t *shape)
 201 {
 202   /* Here we have an real(kind=4).  */
 203   ISO_C_BINDING_PREFIX (c_f_pointer) (c_ptr_in, f_ptr_out, shape,
 204                                       (int) GFC_DTYPE_REAL,
 205                                       (int) sizeof (GFC_REAL_4));
 206 }
 207 #endif
 208
 209
 210 #ifdef HAVE_GFC_REAL_8
 211 /* Set the given Fortran pointer, f_ptr_out, to point to the given C
 212    address, c_ptr_in.  The Fortran pointer is of type real and
 213    kind=8.  The function c_f_pointer is used to set up the pointer
 214    descriptor.  */
 215
 216 void
 217 ISO_C_BINDING_PREFIX (c_f_pointer_r8) (void *c_ptr_in,
 218                                        gfc_array_void *f_ptr_out,
 219                                        const array_t *shape)
 220 {
 221   /* Here we have an real(kind=8).  */
 222   ISO_C_BINDING_PREFIX (c_f_pointer) (c_ptr_in, f_ptr_out, shape,
 223                                       (int) GFC_DTYPE_REAL,
 224                                       (int) sizeof (GFC_REAL_8));
 225 }
 226 #endif
 227
 228
 229 #ifdef HAVE_GFC_REAL_10
 230 /* Set the given Fortran pointer, f_ptr_out, to point to the given C
 231    address, c_ptr_in.  The Fortran pointer is of type real and
 232    kind=10.  The function c_f_pointer is used to set up the pointer
 233    descriptor.  */
 234
 235 void
 236 ISO_C_BINDING_PREFIX (c_f_pointer_r10) (void *c_ptr_in,
 237                                         gfc_array_void *f_ptr_out,
 238                                         const array_t *shape)
 239 {
 240   /* Here we have an real(kind=10).  */
 241   ISO_C_BINDING_PREFIX (c_f_pointer) (c_ptr_in, f_ptr_out, shape,
 242                                       (int) GFC_DTYPE_REAL,
 243                                       (int) sizeof (GFC_REAL_10));
 244 }
 245 #endif
 246
 247
 248 #ifdef HAVE_GFC_REAL_16
 249 /* Set the given Fortran pointer, f_ptr_out, to point to the given C
 250    address, c_ptr_in.  The Fortran pointer is of type real and
 251    kind=16.  The function c_f_pointer is used to set up the pointer
 252    descriptor.  */
 253
 254 void
 255 ISO_C_BINDING_PREFIX (c_f_pointer_r16) (void *c_ptr_in,
 256                                         gfc_array_void *f_ptr_out,
 257                                         const array_t *shape)
 258 {
 259   /* Here we have an real(kind=16).  */
 260   ISO_C_BINDING_PREFIX (c_f_pointer) (c_ptr_in, f_ptr_out, shape,
 261                                       (int) GFC_DTYPE_REAL,
 262                                       (int) sizeof (GFC_REAL_16));
 263 }
 264 #endif