Bluetooth: Controller: Remove unused util functions

Change-id: I7b691d082d080239c35b63221e3c6c7aa93ed58e
Signed-off-by: Vinayak Chettimada <vinayak.kariappa.chettimada@nordicsemi.no>

subsys/bluetooth/controller/util/util.c

@@ -18,103 +18,6 @@
 #include <stdint.h>
 #include "util.h"
 
-/* Convert the integer D to a string and save the string in BUF. If
- * BASE is equal to 'd', interpret that D is decimal, and if BASE is
- * equal to 'x', interpret that D is hexadecimal.
- */
-void util_itoa(char *buf, int base, int d)
-{
-	char *p = buf;
-	char *p1, *p2;
-	unsigned long ud = d;
-	int divisor = 10;
-
-	/* If %d is specified and D is minus, put `-' in the head. */
-	if (base == 'd' && d < 0) {
-		*p++ = '-';
-		buf++;
-		ud = -d;
-	} else if (base == 'x')
-		divisor = 16;
-
-	/* Divide UD by DIVISOR until UD == 0. */
-	do {
-		int remainder = ud % divisor;
-		*p++ =
-		    (remainder < 10) ? remainder + '0' : remainder + 'a' - 10;
-	} while (ud /= divisor);
-
-	/* Terminate BUF. */
-	*p = 0;
-
-	/* Reverse BUF. */
-	p1 = buf;
-	p2 = p - 1;
-	while (p1 < p2) {
-		char tmp = *p1;
-		*p1 = *p2;
-		*p2 = tmp;
-		p1++;
-		p2--;
-	}
-}
-
-int util_atoi(char *s)
-{
-	int val = 0;
-
-	while (*s) {
-		if (*s < '0' || *s > '9')
-			return val;
-		val = (val * 10) + (*s - '0');
-		s++;
-	}
-	return val;
-}
-
-/* Format a string and print it on the screen, just like the libc
- *         function printf.
- */
-void util_sprintf(char *str, const char *format, ...)
-{
-	char **arg = (char **)&format;
-	int c;
-	char buf[20];
-
-	arg++;
-
-	while ((c = *format++)) {
-		if (c != '%')
-			*str++ = c;
-		else {
-			char *p;
-
-			c = *format++;
-			switch (c) {
-			case 'd':
-			case 'u':
-			case 'x':
-				util_itoa(buf, c, *((int *)arg++));
-				p = buf;
-				goto string;
-			case 's':
-				p = *arg++;
-				if (!p)
-					p = "(null)";
-string:
-				while (*p)
-					*str++ = *p++;
-				break;
-			default:
-				*str++ = (*((int *)arg++));
-				break;
-			}
-		}
-	}
-
-	*str = 0;
-}
-
 uint8_t util_ones_count_get(uint8_t *octets, uint8_t octets_len)
 {
 	uint8_t one_count = 0;

subsys/bluetooth/controller/util/util.h

@@ -18,9 +18,6 @@
 #ifndef _UTIL_H_
 #define _UTIL_H_
 
-void util_itoa(char *buf, int base, int d);
-int util_atoi(char *s);
-void util_sprintf(char *str, const char *format, ...);
 uint8_t util_ones_count_get(uint8_t *octets, uint8_t octets_len);
 
 #endif