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authorMichael Biebl <biebl@debian.org>2021-10-01 23:05:04 +0200
committerMichael Biebl <biebl@debian.org>2021-10-01 23:05:04 +0200
commite74c568b07b50b97873fb4ee1d776dedefbd54d6 (patch)
tree3469f17ea9af91f7ff169b890633bda68b0cf76e /shared/systemd/src/basic/memory-util.c
parentbfe522304da217296e2a61040f58e35ec5d6f3f2 (diff)
New upstream version 1.32.12 upstream/1.32.12
Diffstat (limited to 'shared/systemd/src/basic/memory-util.c')
-rw-r--r--shared/systemd/src/basic/memory-util.c61
1 files changed, 0 insertions, 61 deletions
diff --git a/shared/systemd/src/basic/memory-util.c b/shared/systemd/src/basic/memory-util.c
deleted file mode 100644
index 7ee7c94e..00000000
--- a/shared/systemd/src/basic/memory-util.c
+++ /dev/null
@@ -1,61 +0,0 @@
-/* SPDX-License-Identifier: LGPL-2.1-or-later */
-
-#include "nm-sd-adapt-shared.h"
-
-#include <unistd.h>
-
-#include "memory-util.h"
-
-size_t page_size(void) {
-        static thread_local size_t pgsz = 0;
-        long r;
-
-        if (_likely_(pgsz > 0))
-                return pgsz;
-
-        r = sysconf(_SC_PAGESIZE);
-        assert(r > 0);
-
-        pgsz = (size_t) r;
-        return pgsz;
-}
-
-bool memeqzero(const void *data, size_t length) {
-        /* Does the buffer consist entirely of NULs?
-         * Copied from https://github.com/systemd/casync/, copied in turn from
-         * https://github.com/rustyrussell/ccan/blob/master/ccan/mem/mem.c#L92,
-         * which is licensed CC-0.
-         */
-
-        const uint8_t *p = data;
-        size_t i;
-
-        /* Check first 16 bytes manually */
-        for (i = 0; i < 16; i++, length--) {
-                if (length == 0)
-                        return true;
-                if (p[i])
-                        return false;
-        }
-
-        /* Now we know first 16 bytes are NUL, memcmp with self.  */
-        return memcmp(data, p + i, length) == 0;
-}
-
-#if !HAVE_EXPLICIT_BZERO
-/*
- * The pointer to memset() is volatile so that compiler must de-reference the pointer and can't assume that
- * it points to any function in particular (such as memset(), which it then might further "optimize"). This
- * approach is inspired by openssl's crypto/mem_clr.c.
- */
-typedef void *(*memset_t)(void *,int,size_t);
-
-static volatile memset_t memset_func = memset;
-
-void* explicit_bzero_safe(void *p, size_t l) {
-        if (l > 0)
-                memset_func(p, '\0', l);
-
-        return p;
-}
-#endif