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fix issues reported from clang

    1: #include <stdio.h>
    2: #include <string.h>
    3: #include <aitio.h>
    4: 
    5: 
    6: int
    7: main(int argc, char **argv)
    8: {
    9: 	char *str2 = NULL, *str = NULL;
   10: 	int i, n;
   11: 	u_char ivec[16];
   12: 
   13: 	if (argc < 4)
   14: 		return 1;
   15: 
   16: 	printf("String=%s\nKey=%s IV=%s\n\n", argv[1], argv[2], argv[3]);
   17: 	/* encode */
   18: 	memset(ivec, 0, sizeof ivec);
   19: 	strlcpy((char*) ivec, argv[3], sizeof ivec);
   20: 	printf("io_ctr_AES() -> %d\n", (n = io_ctr_AES((u_char*) argv[1], strlen(argv[1]), 
   21: 					(u_char**) &str, (u_char*) argv[2], ivec)));
   22: 	printf("Cipher: ");
   23: 	for (i = 0; i < n; i++)
   24: 		printf("%02hhx", str[i]);
   25: 	printf("\n");
   26: 
   27: 	/* decode */
   28: 	memset(ivec, 0, sizeof ivec);
   29: 	strlcpy((char*) ivec, argv[3], sizeof ivec);
   30: 	printf("io_ctr_AES() -> %d\n", (n = io_ctr_AES((u_char*) str, n, 
   31: 					(u_char**) &str2, (u_char*) argv[2], ivec)));
   32: 	printf("Plain: ");
   33: 	for (i = 0; i < n; i++)
   34: 		printf("%c", str2[i]);
   35: 	printf("\n");
   36: 
   37: 	printf("\n\n");
   38: 	if (!strcmp(argv[1], str2))
   39: 		printf("%s == %s ... Test passed\n", argv[1], str2);
   40: 	else
   41: 		printf("%s != %s ... Test FAILED\n", argv[1], str2);
   42: 
   43: 	if (str)
   44: 		free(str);
   45: 	if (str2)
   46: 		free(str2);
   47: 
   48: 	return 0;
   49: }