1 files changed, 21 insertions, 0 deletions
diff --git a/libc/misc/internals/itoa.c b/libc/misc/internals/itoa.c
new file mode 100644
index 000000000..a683b8018
--- /dev/null
+++ b/libc/misc/internals/itoa.c
@@ -0,0 +1,21 @@
+/* itoa.c <ndf@linux.mit.edu> */
+#define __MAX_INT_CHARS 7
+
+char *itoa(int i)
+{
+	static char a[__MAX_INT_CHARS];
+	char *b = a + sizeof(a) - 1;
+	int sign = (i < 0);
+
+	if (sign)
+		i = -i;
+	*b = 0;
+	do {
+		*--b = '0' + (i % 10);
+		i /= 10;
+	}
+	while (i);
+	if (sign)
+		*--b = '-';
+	return b;
+}