1 files changed, 18 insertions, 0 deletions
diff --git a/src/libstddjb/siovec_scatter.c b/src/libstddjb/siovec_scatter.c
new file mode 100644
index 0000000..256bef5
--- /dev/null
+++ b/src/libstddjb/siovec_scatter.c
@@ -0,0 +1,18 @@
+/* ISC license. */
+
+#include <skalibs/bytestr.h>
+#include <skalibs/siovec.h>
+
+unsigned int siovec_scatter (siovec_t const *v, unsigned int n, char const *s, unsigned int len)
+{
+  unsigned int w = 0 ;
+  register unsigned int i = 0 ;
+  for (; i < n && w < len ; i++)
+  {
+    register unsigned int chunklen = v[i].len ;
+    if (w + chunklen > len) chunklen = len - w ;
+    byte_copy(v[i].s, chunklen, s + w) ;
+    w += chunklen ;
+  }
+  return w ;
+}