crypto/err/err_local.h

   1 /*
   2  * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #include <openssl/err.h>
  11 #include <openssl/e_os2.h>
  12
  13 static ossl_inline void err_get_slot(ERR_STATE *es)
  14 {
  15     es->top = (es->top + 1) % ERR_NUM_ERRORS;
  16     if (es->top == es->bottom)
  17         es->bottom = (es->bottom + 1) % ERR_NUM_ERRORS;
  18 }
  19
  20 static ossl_inline void err_clear_data(ERR_STATE *es, size_t i, int deall)
  21 {
  22     if (es->err_data_flags[i] & ERR_TXT_MALLOCED) {
  23         if (deall) {
  24             OPENSSL_free(es->err_data[i]);
  25             es->err_data[i] = NULL;
  26             es->err_data_size[i] = 0;
  27             es->err_data_flags[i] = 0;
  28         } else if (es->err_data[i] != NULL) {
  29             es->err_data[i][0] = '\0';
  30         }
  31     } else {
  32         es->err_data[i] = NULL;
  33         es->err_data_size[i] = 0;
  34         es->err_data_flags[i] = 0;
  35     }
  36 }
  37
  38 static ossl_inline void err_set_error(ERR_STATE *es, size_t i,
  39                                       int lib, int reason)
  40 {
  41     es->err_buffer[i] = ERR_PACK(lib, 0, reason);
  42 }
  43
  44 static ossl_inline void err_set_debug(ERR_STATE *es, size_t i,
  45                                       const char *file, int line,
  46                                       const char *fn)
  47 {
  48     es->err_file[i] = file;
  49     es->err_line[i] = line;
  50     es->err_func[i] = fn;
  51 }
  52
  53 static ossl_inline void err_set_data(ERR_STATE *es, size_t i,
  54                                      void *data, size_t datasz, int flags)
  55 {
  56     es->err_data[i] = data;
  57     es->err_data_size[i] = datasz;
  58     es->err_data_flags[i] = flags;
  59 }
  60
  61 static ossl_inline void err_clear(ERR_STATE *es, size_t i, int deall)
  62 {
  63     err_clear_data(es, i, (deall));
  64     es->err_flags[i] = 0;
  65     es->err_buffer[i] = 0;
  66     es->err_file[i] = NULL;
  67     es->err_line[i] = -1;
  68 }
  69
  70 ERR_STATE *err_get_state_int(void);