1 files changed, 21 insertions, 0 deletions
diff --git a/src/libstddjb/uint640_fmt_generic.c b/src/libstddjb/uint640_fmt_generic.c
new file mode 100644
index 0000000..7ff02be
--- /dev/null
+++ b/src/libstddjb/uint640_fmt_generic.c
@@ -0,0 +1,21 @@
+/* ISC license. */
+
+#include <string.h>
+
+#include <skalibs/uint64.h>
+#include <skalibs/fmtscan.h>
+
+size_t uint640_fmt_generic (char *s, uint64_t x, size_t n, uint8_t base)
+{
+  size_t len = uint64_fmt_generic(0, x, base) ;
+  if (s)
+  {
+    if (len < n)
+    {
+      memset(s, '0', n - len) ;
+      s += n - len ;
+    }
+    uint64_fmt_generic(s, x, base) ;
+  }
+  return len > n ? len : n ;
+}