From fc00c656c96528112d05cf0edf8631bd5eaea446 Mon Sep 17 00:00:00 2001 From: Kacper Date: Sun, 7 Dec 2025 20:10:31 +0100 Subject: Add build system scaffolding and libc headers --- lib/libc/unistd/swab.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 lib/libc/unistd/swab.c (limited to 'lib/libc/unistd/swab.c') diff --git a/lib/libc/unistd/swab.c b/lib/libc/unistd/swab.c new file mode 100644 index 00000000..5e4e7e3b --- /dev/null +++ b/lib/libc/unistd/swab.c @@ -0,0 +1,17 @@ +#include + +void swab(const void *restrict src, void *restrict dest, ssize_t nbytes) +{ + const char *s = src; + char *d = dest; + + if (nbytes <= 0) + return; + + ssize_t n = nbytes & ~1; + + for (ssize_t i = 0; i < n; i += 2) { + d[i] = s[i + 1]; + d[i + 1] = s[i]; + } +} -- cgit v1.2.3