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-rw-r--r--src/string/swab.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/string/swab.c b/src/string/swab.c
new file mode 100644
index 00000000..b2132884
--- /dev/null
+++ b/src/string/swab.c
@@ -0,0 +1,13 @@
+#include <unistd.h>
+
+void swab(const void *_src, void *_dest, ssize_t n)
+{
+ const char *src = _src;
+ char *dest = _dest;
+ for (; n>0; n-=2) {
+ dest[0] = src[1];
+ dest[1] = src[0];
+ dest += 2;
+ src += 2;
+ }
+}