1 files changed, 16 insertions, 0 deletions
diff --git a/src/libstddjb/fmtscan_num.c b/src/libstddjb/fmtscan_num.c
new file mode 100644
index 0000000..094eb2a
--- /dev/null
+++ b/src/libstddjb/fmtscan_num.c
@@ -0,0 +1,16 @@
+/* ISC license. */
+
+#include <skalibs/fmtscan.h>
+
+unsigned char fmtscan_num (register unsigned char c, unsigned char n)
+{
+  return
+    ((c < '0') || (n > 36)) ? n :
+    (n <= 10) ? (c - '0' <= n) ? c - '0' : n :
+    (c - '0' <= 9) ? c - '0' :
+    (c < 'A') ? n :
+    (c - 'A' < n - 10) ? c - 'A' + 10 :
+    (c < 'a') ? n :
+    (c - 'a' < n - 10) ? c - 'a' + 10 :
+    n ;
+}