1 files changed, 23 insertions, 0 deletions
diff --git a/src/base/string/itoa.c b/src/base/string/itoa.c
new file mode 100644
index 0000000..a2910f4
--- /dev/null
+++ b/src/base/string/itoa.c
@@ -0,0 +1,23 @@
+#include "internal.h"
+
+static char *
+kernel(char *s, int x)
+{
+    if(x/10)
+        s = kernel(s, x/10);
+    *s++ = x%10 + '0';
+    return s;
+}
+
+char *
+str·itoa(char *s, int x)
+{
+    if(x<0){
+        *s++ = '-';
+        x=-x;
+    }
+    s  = kernel(s, x);
+    *s = '0';
+
+    return s;
+}