From 50a3be6df7e851a830142f5e4611b2b1f0b8861c Mon Sep 17 00:00:00 2001
From: Daniel Pouzzner <douzzer@wolfssl.com>
Date: Fri, 28 Feb 2025 15:29:58 -0600
Subject: [PATCH] wolfcrypt/src/sp_int.c. src/ssl_asn1.c. src/internal.c:
 rename several declarations to avoid shadowing global functions, for the
 convenience of obsolete (pre-4v8) gcc -Wshadow.

---
 src/internal.c         |  4 ++--
 src/ssl_asn1.c         | 26 +++++++++++++-------------
 wolfcrypt/src/sp_int.c |  4 ++--
 3 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/src/internal.c b/src/internal.c
index 8d2a9be52..aa9387267 100644
--- a/src/internal.c
+++ b/src/internal.c
@@ -25346,12 +25346,12 @@ int SendAsyncData(WOLFSSL* ssl)
  * 2 in SCR and we have plain data ready
  * Early data logic may bypass this logic in TLSv1.3 when appropriate.
  */
-static int ssl_in_handshake(WOLFSSL *ssl, int send)
+static int ssl_in_handshake(WOLFSSL *ssl, int sending_data)
 {
 int SendAsyncData = 1;
 (void)SendAsyncData;
     if (IsSCR(ssl)) {
-        if (send) {
+        if (sending_data) {
             /* allow sending data in SCR */
             return 0;
         } else {
diff --git a/src/ssl_asn1.c b/src/ssl_asn1.c
index d1cdbdb2f..d05c235ca 100644
--- a/src/ssl_asn1.c
+++ b/src/ssl_asn1.c
@@ -1093,36 +1093,36 @@ static int wolfssl_asn1_integer_require_len(WOLFSSL_ASN1_INTEGER* a, int len,
  */
 WOLFSSL_ASN1_INTEGER* wolfSSL_ASN1_INTEGER_dup(const WOLFSSL_ASN1_INTEGER* src)
 {
-    WOLFSSL_ASN1_INTEGER* dup = NULL;
+    WOLFSSL_ASN1_INTEGER* dst = NULL;
 
     WOLFSSL_ENTER("wolfSSL_ASN1_INTEGER_dup");
 
-    /* Check for object to duplicate. */
+    /* Check for object to dstlicate. */
     if (src != NULL) {
         /* Create a new ASN.1 INTEGER object to be copied into. */
-        dup = wolfSSL_ASN1_INTEGER_new();
+        dst = wolfSSL_ASN1_INTEGER_new();
     }
     /* Check for object to copy into. */
-    if (dup != NULL) {
+    if (dst != NULL) {
         /* Copy simple fields. */
-        dup->length   = src->length;
-        dup->negative = src->negative;
-        dup->type     = src->type;
+        dst->length   = src->length;
+        dst->negative = src->negative;
+        dst->type     = src->type;
 
         if (!src->isDynamic) {
             /* Copy over data from/to fixed buffer. */
-            XMEMCPY(dup->intData, src->intData, WOLFSSL_ASN1_INTEGER_MAX);
+            XMEMCPY(dst->intData, src->intData, WOLFSSL_ASN1_INTEGER_MAX);
         }
-        else if (wolfssl_asn1_integer_require_len(dup, src->length, 0) == 0) {
-            wolfSSL_ASN1_INTEGER_free(dup);
-            dup = NULL;
+        else if (wolfssl_asn1_integer_require_len(dst, src->length, 0) == 0) {
+            wolfSSL_ASN1_INTEGER_free(dst);
+            dst = NULL;
         }
         else {
-            XMEMCPY(dup->data, src->data, (size_t)src->length);
+            XMEMCPY(dst->data, src->data, (size_t)src->length);
         }
     }
 
-    return dup;
+    return dst;
 }
 #endif /* OPENSSL_EXTRA || WOLFSSL_WPAS_SMALL */
 
diff --git a/wolfcrypt/src/sp_int.c b/wolfcrypt/src/sp_int.c
index b0dfa25b6..7ea5c2d77 100644
--- a/wolfcrypt/src/sp_int.c
+++ b/wolfcrypt/src/sp_int.c
@@ -8216,7 +8216,7 @@ int sp_addmod_ct(const sp_int* a, const sp_int* b, const sp_int* m, sp_int* r)
  * @return  MP_OKAY on success.
  */
 static void _sp_submod_ct(const sp_int* a, const sp_int* b, const sp_int* m,
-    unsigned int max, sp_int* r)
+    unsigned int max_size, sp_int* r)
 {
 #ifndef SQR_MUL_ASM
     sp_int_sword w;
@@ -8237,7 +8237,7 @@ static void _sp_submod_ct(const sp_int* a, const sp_int* b, const sp_int* m,
     l = 0;
     h = 0;
 #endif
-    for (i = 0; i < max; i++) {
+    for (i = 0; i < max_size; i++) {
         /* Values past 'used' are not initialized. */
         mask_a += (i == a->used);
         mask_b += (i == b->used);