1 files changed, 21 insertions, 0 deletions
diff --git a/src/libstddjb/strn_fmt.c b/src/libstddjb/strn_fmt.c
new file mode 100644
index 0000000..bbb9651
--- /dev/null
+++ b/src/libstddjb/strn_fmt.c
@@ -0,0 +1,21 @@
+/* ISC license. */
+
+#include <skalibs/fmtscan.h>
+#include <skalibs/uint.h>
+
+unsigned int strn_fmt (char *blah, register char const *s, unsigned int len)
+{
+  register char *d = blah ;
+  unsigned int i ;
+  for (i = 0 ; i < len ; i++)
+    if ((s[i] >= 32) && ((unsigned char)s[i] < 127)) *d++ = s[i] ;
+    else
+    {
+      *d++ = '\\' ;
+      *d++ = '0' ;
+      *d++ = 'x' ;
+      if ((unsigned char)s[i] < 16) *d++ = '0' ;
+      d += uint_xfmt(d, (unsigned char)s[i]) ;
+    }
+  return d - blah ;
+}