tools/power turbostat: Cleanup print helper functions

Factor error-prone turnary expressions into locak 'sep' variable.

Remove the redundant parentheses around sprintf() calls.

Remove an unnecessary cast to "unsigned int" by using the '%08llx' instead
   of '%08x'.

No functional changes.

[lenb: fix typo, simplify]
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

Author: dedekind

tools/power/x86/turbostat/turbostat.c

@@ -2835,31 +2835,38 @@ void bic_lookup(cpu_set_t *ret_set, char *name_list, enum show_hide_mode mode)
 static inline int print_name(int width, int *printed, char *delim, char *name, enum counter_type type, enum counter_format format)
 {
 	UNUSED(type);
+	char *sep = (*printed)++ ? delim : "";
 
 	if (format == FORMAT_RAW && width >= 64)
-		return (sprintf(outp, "%s%-8s", ((*printed)++ ? delim : ""), name));
+		return sprintf(outp, "%s%-8s", sep, name);
 	else
-		return (sprintf(outp, "%s%s", ((*printed)++ ? delim : ""), name));
+		return sprintf(outp, "%s%s", sep, name);
 }
 
 static inline int print_hex_value(int width, int *printed, char *delim, unsigned long long value)
 {
+	char *sep = (*printed)++ ? delim : "";
+
 	if (width <= 32)
-		return (sprintf(outp, "%s%08x", ((*printed)++ ? delim : ""), (unsigned int)value));
+		return (sprintf(outp, "%s%08llx", sep, value));
 	else
-		return (sprintf(outp, "%s%016llx", ((*printed)++ ? delim : ""), value));
+		return (sprintf(outp, "%s%016llx", sep, value));
 }
 
 static inline int print_decimal_value(int width, int *printed, char *delim, unsigned long long value)
 {
+	char *sep = (*printed)++ ? delim : "";
+
 	UNUSED(width);
 
-	return (sprintf(outp, "%s%lld", ((*printed)++ ? delim : ""), value));
+	return (sprintf(outp, "%s%lld", sep, value));
 }
 
 static inline int print_float_value(int *printed, char *delim, double value)
 {
-	return (sprintf(outp, "%s%0.2f", ((*printed)++ ? delim : ""), value));
+	char *sep = (*printed)++ ? delim : "";
+
+	return (sprintf(outp, "%s%0.2f", sep, value));
 }
 
 void print_header(char *delim)