mirror of https://github.com/openssl/openssl.git
51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
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/*
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* Copyright 2025 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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/*
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* Utility overflow checking and reporting functions
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*/
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#ifndef OSSL_INTERNAL_CHECK_SIZE_OVERFLOW_H
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# define OSSL_INTERNAL_CHECK_SIZE_OVERFLOW_H
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# include "internal/common.h"
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# include <openssl/cryptoerr.h>
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# include <openssl/err.h>
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/*
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* A helper routine to report memory allocation errors.
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* Similar to the ERR_raise() macro, but accepts explicit file/line arguments,
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* pre-defines the library to ERR_LIB_CRYPTO, and avoids emitting an error
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* if both file set to NULL and line set to 0.
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*/
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static ossl_inline ossl_unused void
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ossl_report_alloc_err_ex(const char * const file, const int line,
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const int reason)
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{
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/*
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* ossl_err_get_state_int() in err.c uses CRYPTO_zalloc(num, NULL, 0) for
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* ERR_STATE allocation. Prevent mem alloc error loop while reporting error.
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*/
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if (file != NULL || line != 0) {
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ERR_new();
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ERR_set_debug(file, line, NULL);
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ERR_set_error(ERR_LIB_CRYPTO, reason, NULL);
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}
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}
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/* Report a memory allocation failure. */
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static inline void
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ossl_report_alloc_err(const char * const file, const int line)
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{
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ossl_report_alloc_err_ex(file, line, ERR_R_MALLOC_FAILURE);
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}
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#endif /* OSSL_INTERNAL_CHECK_SIZE_OVERFLOW_H */
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