Viewing file:  err_local.h (2.88 KB) -rw-r--r--
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/*
* Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <openssl/err.h>
#include <openssl/e_os2.h>
static ossl_inline void err_get_slot(ERR_STATE *es)
{
es->top = (es->top + 1) % ERR_NUM_ERRORS;
if (es->top == es->bottom)
es->bottom = (es->bottom + 1) % ERR_NUM_ERRORS;
}
static ossl_inline void err_clear_data(ERR_STATE *es, size_t i, int deall)
{
if (es->err_data_flags[i] & ERR_TXT_MALLOCED) {
if (deall) {
OPENSSL_free(es->err_data[i]);
es->err_data[i] = NULL;
es->err_data_size[i] = 0;
es->err_data_flags[i] = 0;
} else if (es->err_data[i] != NULL) {
es->err_data[i][0] = '\0';
es->err_data_flags[i] = ERR_TXT_MALLOCED;
}
} else {
es->err_data[i] = NULL;
es->err_data_size[i] = 0;
es->err_data_flags[i] = 0;
}
}
static ossl_inline void err_set_error(ERR_STATE *es, size_t i,
int lib, int reason)
{
es->err_buffer[i] =
lib == ERR_LIB_SYS
? (unsigned int)(ERR_SYSTEM_FLAG | reason)
: ERR_PACK(lib, 0, reason);
}
static ossl_inline void err_set_debug(ERR_STATE *es, size_t i,
const char *file, int line,
const char *fn)
{
/*
* We dup the file and fn strings because they may be provider owned. If the
* provider gets unloaded, they may not be valid anymore.
*/
OPENSSL_free(es->err_file[i]);
if (file == NULL || file[0] == '\0')
es->err_file[i] = NULL;
else
es->err_file[i] = OPENSSL_strdup(file);
es->err_line[i] = line;
OPENSSL_free(es->err_func[i]);
if (fn == NULL || fn[0] == '\0')
es->err_func[i] = NULL;
else
es->err_func[i] = OPENSSL_strdup(fn);
}
static ossl_inline void err_set_data(ERR_STATE *es, size_t i,
void *data, size_t datasz, int flags)
{
if ((es->err_data_flags[i] & ERR_TXT_MALLOCED) != 0)
OPENSSL_free(es->err_data[i]);
es->err_data[i] = data;
es->err_data_size[i] = datasz;
es->err_data_flags[i] = flags;
}
static ossl_inline void err_clear(ERR_STATE *es, size_t i, int deall)
{
err_clear_data(es, i, (deall));
es->err_marks[i] = 0;
es->err_flags[i] = 0;
es->err_buffer[i] = 0;
es->err_line[i] = -1;
OPENSSL_free(es->err_file[i]);
es->err_file[i] = NULL;
OPENSSL_free(es->err_func[i]);
es->err_func[i] = NULL;
}
ERR_STATE *ossl_err_get_state_int(void);
void ossl_err_string_int(unsigned long e, const char *func,
char *buf, size_t len);
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