#include "oswald_strings.h"
-u16t oswald_strlen(u8t *string)
+uint16_t oswald_strlen(char *string)
{
- register i=0;
+ int i=0;
if (string == NULL)
return 0;
return i;
}
+char *itoa(int16_t value, char* result, int base)
+{
+ char *ptr = result, *ptr1 = result, tmp_char;
+ int16_t tmp_value;
+
+ if (result == NULL)
+ return NULL;
+
+ // check that the base if valid
+ if (base < 2 || base > 36) {
+ *result = '\0';
+ return result;
+ }
+
+ do {
+ tmp_value = value;
+ value /= base;
+ *ptr++ = "zyxwvutsrqponmlkjihgfedcba9876543210123456789abcdefghijklmnopqrstuvwxyz" [35 + (tmp_value - value * base)];
+ } while ( value );
+
+ // Apply negative sign
+ if (tmp_value < 0)
+ *ptr++ = '-';
+ *ptr-- = '\0';
+ while (ptr1 < ptr) {
+ tmp_char = *ptr;
+ *ptr--= *ptr1;
+ *ptr1++ = tmp_char;
+ }
+ return result;
+}
+