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Use for loop instead while loop

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Signed-off-by: Przemek Stekiel <przemyslaw.stekiel@mobica.com>
This commit is contained in:
Przemek Stekiel 2023-03-09 08:18:30 +01:00
parent 68ca81c8fe
commit 42510a91c4
1 changed files with 5 additions and 8 deletions
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13
library/x509write_csr.c
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@ -90,22 +90,22 @@ int mbedtls_x509write_csr_set_subject_alternative_name(mbedtls_x509write_csr *ct
const mbedtls_x509_san_list *san_list) const mbedtls_x509_san_list *san_list)
{ {
int ret = 0; int ret = 0;
const mbedtls_x509_san_list *cur = san_list; const mbedtls_x509_san_list *cur;
unsigned char *buf; unsigned char *buf;
unsigned char *p; unsigned char *p;
size_t len; size_t len;
size_t buflen = 0; size_t buflen = 0;
/* Determine the maximum size of the SubjectAltName list */ /* Determine the maximum size of the SubjectAltName list */
while (cur != NULL) { for(cur = san_list; cur != NULL; cur = cur->next) {
/* Calculate size of the required buffer */ /* Calculate size of the required buffer */
switch (cur->node.type) { switch (cur->node.type) {
case MBEDTLS_X509_SAN_DNS_NAME: case MBEDTLS_X509_SAN_DNS_NAME:
case MBEDTLS_X509_SAN_UNIFORM_RESOURCE_IDENTIFIER: case MBEDTLS_X509_SAN_UNIFORM_RESOURCE_IDENTIFIER:
case MBEDTLS_X509_SAN_IP_ADDRESS: case MBEDTLS_X509_SAN_IP_ADDRESS:
/* + length of value for each name entry, /* length of value for each name entry,
* + maximum 4 bytes for the length field, * maximum 4 bytes for the length field,
* + 1 byte for the tag/type. * 1 byte for the tag/type.
*/ */
buflen += cur->node.san.unstructured_name.len + 4 + 1; buflen += cur->node.san.unstructured_name.len + 4 + 1;
break; break;
@ -114,9 +114,6 @@ int mbedtls_x509write_csr_set_subject_alternative_name(mbedtls_x509write_csr *ct
/* Not supported - skip. */ /* Not supported - skip. */
break; break;
} }
cur = cur->next;
} }
/* Add the extra length field and tag */ /* Add the extra length field and tag */