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Diffstat (limited to 'src/libnm-systemd-shared/src/basic/memory-util.c')
-rw-r--r--src/libnm-systemd-shared/src/basic/memory-util.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/libnm-systemd-shared/src/basic/memory-util.c b/src/libnm-systemd-shared/src/basic/memory-util.c
index c1e0a742b1..789e96a9c3 100644
--- a/src/libnm-systemd-shared/src/basic/memory-util.c
+++ b/src/libnm-systemd-shared/src/basic/memory-util.c
@@ -41,3 +41,19 @@ bool memeqbyte(uint8_t byte, const void *data, size_t length) {
/* Now we know first 16 bytes match, memcmp() with self. */
return memcmp(data, p + 16, length) == 0;
}
+
+void *memdup_reverse(const void *mem, size_t size) {
+ assert(mem);
+ assert(size != 0);
+
+ void *p = malloc(size);
+ if (!p)
+ return NULL;
+
+ uint8_t *p_dst = p;
+ const uint8_t *p_src = mem;
+ for (size_t i = 0, k = size; i < size; i++, k--)
+ p_dst[i] = p_src[k-1];
+
+ return p;
+}