Diff: util.h

Revision:

0:0861bf46efe4

diff -r 000000000000 -r 0861bf46efe4 util.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/util.h	Fri Feb 12 20:54:38 2016 +0000
@@ -0,0 +1,35 @@
+#ifndef UTIL
+#define UTIL
+#include "mbed.h"
+
+/*
+** reverse string in place 
+*/
+void reverse(char *s)  {
+char *j;
+int c;
+ 
+  j = s + strlen(s) - 1;
+  while(s < j) {
+    c = *s;
+    *s++ = *j;
+    *j-- = c;
+  }
+}
+
+ void itoa(int n, char s[])
+ {
+     int i, sign;
+ 
+     if ((sign = n) < 0)  /* record sign */
+         n = -n;          /* make n positive */
+     i = 0;
+     do {       /* generate digits in reverse order */
+         s[i++] = n % 10 + '0';   /* get next digit */
+     } while ((n /= 10) > 0);     /* delete it */
+     if (sign < 0)
+         s[i++] = '-';
+     s[i] = '\0';
+     reverse(s);
+ }
+ #endif
\ No newline at end of file