mirror of
https://github.com/openssl/openssl.git
synced 2026-05-07 20:12:39 +00:00
Tomas Mraz
faa5318c65
In calls like ERR_set_mark(), ERR_clear_last_mark() and others, there is no point in saving the last sys error. It can be potentially expensive (on Windows). Reviewed-by: Simo Sorce <simo@redhat.com> Reviewed-by: Paul Dale <paul.dale@oracle.com> Reviewed-by: Neil Horman <nhorman@openssl.org> MergeDate: Thu Apr 16 18:12:49 2026 (Merged from https://github.com/openssl/openssl/pull/30179)
99 lines
1.9 KiB
C
99 lines
1.9 KiB
C
/*
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* Copyright 2003-2026 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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#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(0);
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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(0);
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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(0);
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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(1);
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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(0);
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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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