use strlcpy & strlcat (#74) * refactor checkpubkeyperms() with safe BSD functions fix gcc8 warnings ``` svr-authpubkey.c: In function 'checkpubkeyperms': svr-authpubkey.c:427:2: warning: 'strncat' specified bound 5 equals source length [-Wstringop-overflow=] strncat(filename, "/.ssh", 5); /* strlen("/.ssh") == 5 */ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ svr-authpubkey.c:433:2: warning: 'strncat' specified bound 16 equals source length [-Wstringop-overflow=] strncat(filename, "/authorized_keys", 16); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ``` see https://www.sudo.ws/todd/papers/strlcpy.html * restore strlcpy in xstrdup see original https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/xmalloc.c?rev=1.16

/* test pmac/omac/hmac */
#include <tomcrypt_test.h>

int mac_test(void)
{
#ifdef LTC_HMAC
   DO(hmac_test()); 
#endif
#ifdef LTC_PMAC
   DO(pmac_test()); 
#endif
#ifdef LTC_OMAC
   DO(omac_test()); 
#endif
#ifdef LTC_XCBC
   DO(xcbc_test());
#endif
#ifdef LTC_F9_MODE
   DO(f9_test());
#endif
#ifdef LTC_EAX_MODE
   DO(eax_test());  
#endif
#ifdef LTC_OCB_MODE
   DO(ocb_test());  
#endif
#ifdef LTC_CCM_MODE
   DO(ccm_test());
#endif
#ifdef LTC_GCM_MODE
   DO(gcm_test());
#endif
#ifdef LTC_PELICAN
   DO(pelican_test());
#endif
   return 0;
}

/* $Source$ */
/* $Revision$ */
/* $Date$ */