1 files changed, 10 insertions, 0 deletions
diff --git a/src/libstddjb/long_fmt.c b/src/libstddjb/long_fmt.c
new file mode 100644
index 0000000..552fe47
--- /dev/null
+++ b/src/libstddjb/long_fmt.c
@@ -0,0 +1,10 @@
+/* ISC license. */
+
+#include <skalibs/ulong.h>
+
+unsigned int long_fmt (char *fmt, long n)
+{
+  if (n >= 0) return ulong_fmt(fmt, n) ;
+  if (fmt) *fmt++ = '-' ;
+  return 1 + ulong_fmt(fmt, -n) ;
+}