commit e4a6f5a7ecceb603cfdc7a2be99693f0bd0aa1eb
author Dave Rodgman <dave.rodgman@arm.com> Sat Nov 04 12:20:09 2023 +0000
committer Dave Rodgman <dave.rodgman@arm.com> Tue Nov 21 17:09:46 2023 +0000
tree f2f66f8a9f8434869c3d9d3f71f283d083f64264
parent effdfe74097b96a02ec3316f1e52e7785fb61b5d

Use size_t cast for pointer subtractions

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>

library/x509write_csr.c

diff --git a/library/x509write_csr.c b/library/x509write_csr.c
index 4e39755..254da69 100644
--- a/library/x509write_csr.c
+++ b/library/x509write_csr.c
@@ -185,7 +185,7 @@
                              MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_CONTEXT_SPECIFIC));
 
     MBEDTLS_ASN1_CHK_ADD(pub_len, mbedtls_pk_write_pubkey_der(ctx->key,
-                                                              buf, c - buf));
+                                                              buf, (size_t) (c - buf)));
     c -= pub_len;
     len += pub_len;
 
@@ -276,7 +276,7 @@
                              MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE));
 
     /* Zero the unused bytes at the start of buf */
-    memset(buf, 0, c2 - buf);
+    memset(buf, 0, (size_t) (c2 - buf));
 
     return (int) len;
 }