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5304d56335
Reviewed-by: Tomas Mraz <tomas@openssl.org> Reviewed-by: Matt Caswell <matt@openssl.org> (Merged from https://github.com/openssl/openssl/pull/22674)
102 lines
2.0 KiB
C
102 lines
2.0 KiB
C
/*
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* Copyright 2003-2023 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#define OSSL_FORCE_ERR_STATE
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#include <openssl/err.h>
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#include "err_local.h"
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int ERR_set_mark(void)
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{
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ERR_STATE *es;
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es = ossl_err_get_state_int();
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if (es == NULL)
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return 0;
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if (es->bottom == es->top)
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return 0;
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es->err_marks[es->top]++;
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return 1;
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}
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int ERR_pop(void)
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{
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ERR_STATE *es;
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es = ossl_err_get_state_int();
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if (es == NULL || es->bottom == es->top)
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return 0;
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err_clear(es, es->top, 0);
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es->top = es->top > 0 ? es->top - 1 : ERR_NUM_ERRORS - 1;
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return 1;
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}
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int ERR_pop_to_mark(void)
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{
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ERR_STATE *es;
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es = ossl_err_get_state_int();
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if (es == NULL)
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return 0;
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while (es->bottom != es->top
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&& es->err_marks[es->top] == 0) {
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err_clear(es, es->top, 0);
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es->top = es->top > 0 ? es->top - 1 : ERR_NUM_ERRORS - 1;
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}
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if (es->bottom == es->top)
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return 0;
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es->err_marks[es->top]--;
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return 1;
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}
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int ERR_count_to_mark(void)
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{
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ERR_STATE *es;
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int count = 0, top;
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es = ossl_err_get_state_int();
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if (es == NULL)
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return 0;
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top = es->top;
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while (es->bottom != top
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&& es->err_marks[top] == 0) {
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++count;
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top = top > 0 ? top - 1 : ERR_NUM_ERRORS - 1;
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}
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return count;
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}
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int ERR_clear_last_mark(void)
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{
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ERR_STATE *es;
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int top;
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es = ossl_err_get_state_int();
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if (es == NULL)
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return 0;
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top = es->top;
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while (es->bottom != top
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&& es->err_marks[top] == 0) {
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top = top > 0 ? top - 1 : ERR_NUM_ERRORS - 1;
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}
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if (es->bottom == top)
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return 0;
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es->err_marks[top]--;
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return 1;
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}
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