lib/mbedtls
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Use size_t cast for pointer subtractions

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman
2023-11-04 12:20:09 +00:00
parent effdfe7409
commit e4a6f5a7ec
26 changed files with 99 additions and 98 deletions
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8
library/x509_create.c
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@ -169,7 +169,7 @@ static int parse_attribute_value_string(const char *s,
return MBEDTLS_ERR_X509_INVALID_NAME;
}
}
*data_len = d - data;
*data_len = (size_t) (d - data);
return 0;
}
@ -297,8 +297,8 @@ int mbedtls_x509_string_to_names(mbedtls_asn1_named_data **head, const char *nam
while (c <= end) {
if (in_attr_type && *c == '=') {
if ((attr_descr = x509_attr_descr_from_name(s, c - s)) == NULL) {
if ((mbedtls_oid_from_numeric_string(&oid, s, c - s)) != 0) {
if ((attr_descr = x509_attr_descr_from_name(s, (size_t) (c - s))) == NULL) {
if ((mbedtls_oid_from_numeric_string(&oid, s, (size_t) (c - s))) != 0) {
return MBEDTLS_ERR_X509_INVALID_NAME;
} else {
numericoid = 1;
@ -322,7 +322,7 @@ int mbedtls_x509_string_to_names(mbedtls_asn1_named_data **head, const char *nam
/* We know that c >= s (loop invariant) and c != s (in this
* else branch), hence c - s - 1 >= 0. */
parse_ret = parse_attribute_value_hex_der_encoded(
s + 1, c - s - 1,
s + 1, (size_t) (c - s) - 1,
data, sizeof(data), &data_len, &tag);
if (parse_ret != 0) {
mbedtls_free(oid.p);