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Add checks to selftest

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman 2023-02-10 16:16:17 +00:00
parent 4a5c9ee7f2
commit 54647737f6
1 changed files with 26 additions and 0 deletions
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26
programs/test/selftest.c
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@ -336,6 +336,32 @@ int main(int argc, char *argv[])
#endif
void *pointer;
/*
* Check some basic platform requirements as specified in README.md
*/
if (SIZE_MAX < INT_MAX || SIZE_MAX < UINT_MAX) {
mbedtls_printf("SIZE_MAX must be at least as big as INT_MAX and UINT_MAX\n");
mbedtls_exit(MBEDTLS_EXIT_FAILURE);
}
if (sizeof(int) < 4) {
mbedtls_printf("int must be at least 32 bits\n");
mbedtls_exit(MBEDTLS_EXIT_FAILURE);
}
if (sizeof(size_t) < 4) {
mbedtls_printf("size_t must be at least 32 bits\n");
mbedtls_exit(MBEDTLS_EXIT_FAILURE);
}
uint32_t endian_test = 0x12345678;
char *p = (char *) &endian_test;
if (!(p[0] == 0x12 && p[1] == 0x34 && p[2] == 0x56 && p[3] == 0x78) &&
!(p[3] == 0x12 && p[2] == 0x34 && p[1] == 0x56 && p[0] == 0x78)) {
mbedtls_printf("Mixed-endian platforms are not supported\n");
mbedtls_exit(MBEDTLS_EXIT_FAILURE);
}
/*
* The C standard doesn't guarantee that all-bits-0 is the representation
* of a NULL pointer. We do however use that in our code for initializing