1 files changed, 18 insertions, 0 deletions
diff --git a/src/libstddjb/siovec_gather.c b/src/libstddjb/siovec_gather.c
new file mode 100644
index 0000000..23ae28a
--- /dev/null
+++ b/src/libstddjb/siovec_gather.c
@@ -0,0 +1,18 @@
+/* ISC license. */
+
+#include <skalibs/bytestr.h>
+#include <skalibs/siovec.h>
+
+unsigned int siovec_gather (siovec_t const *v, unsigned int n, char *s, unsigned int max)
+{
+  unsigned int w = 0 ;
+  register unsigned int i = 0 ;
+  for (; i < n && w < max ; i++)
+  {
+    register unsigned int len = v[i].len ;
+    if ((w + len) > max) len = max - w ;
+    byte_copy(s + w, len, v[i].s) ;
+    w += len ;
+  }
+  return w ;
+}