xref: /aosp_15_r20/external/musl/src/string/swab.c (revision c9945492fdd68bbe62686c5b452b4dc1be3f8453)
1*c9945492SAndroid Build Coastguard Worker #include <unistd.h>
2*c9945492SAndroid Build Coastguard Worker 
swab(const void * restrict _src,void * restrict _dest,ssize_t n)3*c9945492SAndroid Build Coastguard Worker void swab(const void *restrict _src, void *restrict _dest, ssize_t n)
4*c9945492SAndroid Build Coastguard Worker {
5*c9945492SAndroid Build Coastguard Worker 	const char *src = _src;
6*c9945492SAndroid Build Coastguard Worker 	char *dest = _dest;
7*c9945492SAndroid Build Coastguard Worker 	for (; n>1; n-=2) {
8*c9945492SAndroid Build Coastguard Worker 		dest[0] = src[1];
9*c9945492SAndroid Build Coastguard Worker 		dest[1] = src[0];
10*c9945492SAndroid Build Coastguard Worker 		dest += 2;
11*c9945492SAndroid Build Coastguard Worker 		src += 2;
12*c9945492SAndroid Build Coastguard Worker 	}
13*c9945492SAndroid Build Coastguard Worker }
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