diff options
Diffstat (limited to 'src/contrib/string.c')
| -rw-r--r-- | src/contrib/string.c | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/src/contrib/string.c b/src/contrib/string.c index 272116e..6fa2d0a 100644 --- a/src/contrib/string.c +++ b/src/contrib/string.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2021 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz> +/* Copyright (C) 2023 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz> This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -26,16 +26,16 @@ /* #include <string.h> is needed. */ #elif defined(HAVE_EXPLICIT_MEMSET) /* #include <string.h> is needed. */ -#elif defined(HAVE_GNUTLS_MEMSET) - #include <gnutls/gnutls.h> #else - #define USE_CUSTOM_MEMSET + #include <gnutls/gnutls.h> #endif #include "contrib/string.h" #include "contrib/ctype.h" #include "contrib/tolower.h" +const char *configure_summary = CONFIGURE_SUMMARY; + uint8_t *memdup(const uint8_t *data, size_t data_size) { uint8_t *result = (uint8_t *)malloc(data_size); @@ -137,11 +137,6 @@ int const_time_memcmp(const void *s1, const void *s2, size_t n) return equal; } -#if defined(USE_CUSTOM_MEMSET) -typedef void *(*memset_t)(void *, int, size_t); -static volatile memset_t volatile_memset = memset; -#endif - void *memzero(void *s, size_t n) { #if defined(HAVE_EXPLICIT_BZERO) /* In OpenBSD since 5.5. */ @@ -161,14 +156,9 @@ void *memzero(void *s, size_t n) return s; #elif defined(HAVE_EXPLICIT_MEMSET) /* In NetBSD since 7.0. */ return explicit_memset(s, 0, n); -#elif defined(HAVE_GNUTLS_MEMSET) /* In GnuTLS since 3.4.0. */ +#else gnutls_memset(s, 0, n); return s; -#else /* Knot custom solution as a fallback. */ - /* Warning: the use of the return value is *probably* needed - * so as to avoid the volatile_memset() to be optimized out. - */ - return volatile_memset(s, 0, n); #endif } |