Add cast to unsigned long for TEST_MSG_LEN

- The type of `TEST_MSG_LEN` is `size_t`, which may conflict with `%lu`
   when compiling on a RISC-V 32 system.
- Casting it to unsigned long int resolves the compile-time error.

Signed-off-by: willieyz <willie.zhao@chelpis.com>

Author: willieyz

examples/basic/main.c

@@ -110,7 +110,7 @@ int main(void)
   printf("Public key size:  %d bytes\n", CRYPTO_PUBLICKEYBYTES);
   printf("Secret key size:  %d bytes\n", CRYPTO_SECRETKEYBYTES);
   printf("Signature size:   %d bytes\n", CRYPTO_BYTES);
-  printf("Message length:   %lu bytes\n", TEST_MSG_LEN);
+  printf("Message length:   %lu bytes\n", (unsigned long)TEST_MSG_LEN);
   printf("Signature length: %lu bytes\n", (unsigned long)siglen);
   printf("Signed msg length: %lu bytes\n", (unsigned long)smlen);
 

examples/basic_deterministic/main.c

@@ -109,7 +109,7 @@ int main(void)
   printf("Public key size:  %d bytes\n", CRYPTO_PUBLICKEYBYTES);
   printf("Secret key size:  %d bytes\n", CRYPTO_SECRETKEYBYTES);
   printf("Signature size:   %d bytes\n", CRYPTO_BYTES);
-  printf("Message length:   %lu bytes\n", TEST_MSG_LEN);
+  printf("Message length:   %lu bytes\n", (unsigned long)TEST_MSG_LEN);
   printf("Signature length: %lu bytes\n", (unsigned long)siglen);
 
   /* Check against expected signature to make sure that

examples/bring_your_own_fips202/main.c

@@ -111,7 +111,7 @@ int main(void)
   printf("Public key size:  %d bytes\n", CRYPTO_PUBLICKEYBYTES);
   printf("Secret key size:  %d bytes\n", CRYPTO_SECRETKEYBYTES);
   printf("Signature size:   %d bytes\n", CRYPTO_BYTES);
-  printf("Message length:   %lu bytes\n", TEST_MSG_LEN);
+  printf("Message length:   %lu bytes\n", (unsigned long)TEST_MSG_LEN);
   printf("Signature length: %lu bytes\n", (unsigned long)siglen);
   printf("Signed msg length: %lu bytes\n", (unsigned long)smlen);
 

examples/monolithic_build/main.c

@@ -112,7 +112,7 @@ int main(void)
   printf("Public key size:  %d bytes\n", CRYPTO_PUBLICKEYBYTES);
   printf("Secret key size:  %d bytes\n", CRYPTO_SECRETKEYBYTES);
   printf("Signature size:   %d bytes\n", CRYPTO_BYTES);
-  printf("Message length:   %lu bytes\n", TEST_MSG_LEN);
+  printf("Message length:   %lu bytes\n", (unsigned long)TEST_MSG_LEN);
   printf("Signature length: %lu bytes\n", (unsigned long)siglen);
   printf("Signed msg length: %lu bytes\n", (unsigned long)smlen);
 

examples/monolithic_build_multilevel/main.c

@@ -102,7 +102,7 @@ static int test_mldsa44(void)
   printf("Public key size:  %d bytes\n", MLDSA44_PUBLICKEYBYTES);
   printf("Secret key size:  %d bytes\n", MLDSA44_SECRETKEYBYTES);
   printf("Signature size:   %d bytes\n", MLDSA44_BYTES);
-  printf("Message length:   %lu bytes\n", TEST_MSG_LEN);
+  printf("Message length:   %lu bytes\n", (unsigned long)TEST_MSG_LEN);
   printf("Signature length: %lu bytes\n", (unsigned long)siglen);
   printf("Signed msg length: %lu bytes\n", (unsigned long)smlen);
 
@@ -199,7 +199,7 @@ static int test_mldsa65(void)
   printf("Public key size:  %d bytes\n", MLDSA65_PUBLICKEYBYTES);
   printf("Secret key size:  %d bytes\n", MLDSA65_SECRETKEYBYTES);
   printf("Signature size:   %d bytes\n", MLDSA65_BYTES);
-  printf("Message length:   %lu bytes\n", TEST_MSG_LEN);
+  printf("Message length:   %lu bytes\n", (unsigned long)TEST_MSG_LEN);
   printf("Signature length: %lu bytes\n", (unsigned long)siglen);
   printf("Signed msg length: %lu bytes\n", (unsigned long)smlen);
 
@@ -297,7 +297,7 @@ static int test_mldsa87(void)
   printf("Public key size:  %d bytes\n", MLDSA87_PUBLICKEYBYTES);
   printf("Secret key size:  %d bytes\n", MLDSA87_SECRETKEYBYTES);
   printf("Signature size:   %d bytes\n", MLDSA87_BYTES);
-  printf("Message length:   %lu bytes\n", TEST_MSG_LEN);
+  printf("Message length:   %lu bytes\n", (unsigned long)TEST_MSG_LEN);
   printf("Signature length: %lu bytes\n", (unsigned long)siglen);
   printf("Signed msg length: %lu bytes\n", (unsigned long)smlen);