Mbed-TLS/mbedtls-framework
1
0
Fork 0
mirror of https://github.com/Mbed-TLS/mbedtls-framework.git synced 2026-08-14 15:17:46 +00:00
Code Issues Packages Projects Releases Wiki Activity

New helper function mbedtls_test_buffer_is_all_zero()

Browse Source 
Signed-off-by: Gilles Peskine <[email protected]>
This commit is contained in:
Gilles Peskine
2025-02-06 18:28:14 +01:00
parent b295a138f5
commit 468acda2d0
2 changed files with 34 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
tests/include/test/helpers.h
+24
View File
@@ -166,6 +166,30 @@ const char *mbedtls_test_get_mutex_usage_error(void);
void mbedtls_test_set_mutex_usage_error(const char *msg);
#endif
/**
* \brief Check whether the given buffer is all-bits-zero.
*
* \param[in] buf Pointer to the buffer to check.
* \param size Buffer size in bytes.
*
* \retval 0 The given buffer has a nonzero byte.
* \retval 1 The given buffer is all-bits-zero (this includes the case
* of an empty buffer).
*/
int mbedtls_test_buffer_is_all_zero(const uint8_t *buf, size_t size);
/** Check whether the object at the given address is all-bits-zero.
*
* \param[in] ptr A pointer to the object to check.
* This macro parameter may be evaluated more than once.
*
* \retval 0 The given object has a nonzero byte.
* \retval 1 The given object is all-bits-zero (this includes the case
* of an empty buffer).
*/
#define MBEDTLS_TEST_OBJECT_IS_ALL_ZERO(ptr) \
(mbedtls_test_buffer_is_all_zero((const uint8_t *) (ptr), sizeof(*(ptr))))
#if defined(MBEDTLS_BIGNUM_C)
/**