The ARRAY_SIZE macro is convenient, yet mostly unused. Switch lots of

code to use it. That makes the code more readable and also less
error-prone.

Abuild tested.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Peter Stuge <peter@stuge.se>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3624 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

src/arch/i386/boot/acpi.c

@@ -44,7 +44,7 @@ void acpi_add_table(acpi_rsdt_t *rsdt, void *table)
 {
 	int i;
 	
-	int entries_num = sizeof(rsdt->entry)/sizeof(rsdt->entry[0]);
+	int entries_num = ARRAY_SIZE(rsdt->entry);
 	
 	for (i=0; i<entries_num; i++) {
 		if(rsdt->entry[i]==0) {

src/arch/i386/boot/coreboot_table.c

@@ -184,7 +184,7 @@ void lb_strings(struct lb_header *header)
 		{ LB_TAG_ASSEMBLER,      coreboot_assembler,      },
 	};
 	unsigned int i;
-	for(i = 0; i < sizeof(strings)/sizeof(strings[0]); i++) {
+	for(i = 0; i < ARRAY_SIZE(strings); i++) {
 		struct lb_string *rec;
 		size_t len;
 		rec = (struct lb_string *)lb_new_record(header);

src/arch/i386/lib/cpu.c

@@ -123,7 +123,7 @@ static const char *cpu_vendor_name(int vendor)
 {
 	const char *name;
 	name = "<invalid cpu vendor>";
-	if ((vendor < (sizeof(x86_vendor_name)/sizeof(x86_vendor_name[0]))) &&
+	if ((vendor < (ARRAY_SIZE(x86_vendor_name))) &&
 		(x86_vendor_name[vendor] != 0)) 
 	{
 		name = x86_vendor_name[vendor];
@@ -185,7 +185,7 @@ static void identify_cpu(struct device *cpu)
 		}
 	}
 	cpu->vendor = X86_VENDOR_UNKNOWN;
-	for(i = 0; i < sizeof(x86_vendors)/sizeof(x86_vendors[0]); i++) {
+	for(i = 0; i < ARRAY_SIZE(x86_vendors); i++) {
 		if (memcmp(vendor_name, x86_vendors[i].name, 12) == 0) {
 			cpu->vendor = x86_vendors[i].vendor;
 			break;

src/arch/i386/lib/exception.c

@@ -377,7 +377,7 @@ void x86_exception(struct eregs *info)
 	gdb_stub_registers[CS] = info->cs;
 	gdb_stub_registers[PS] = info->eflags;
 	signo = GDB_UNKNOWN;
-	if (info->vector < sizeof(exception_to_signal)/sizeof(exception_to_signal[0])) {
+	if (info->vector < ARRAY_SIZE(exception_to_signal)) {
 		signo = exception_to_signal[info->vector];
 	}
 	

src/arch/i386/smp/ioapic.c

@@ -67,7 +67,7 @@ void setup_ioapic(void)
 	l[0] = 0x03;
 	l[4] = 1;
 #endif /* i786 */
-	for (i = 0; i < sizeof(ioapicregvalues) / sizeof(ioapicregvalues[0]);
+	for (i = 0; i < ARRAY_SIZE(ioapicregvalues);
 	     i++, a++) {
 		l[0] = (a->reg * 2) + 0x10;
 		l[4] = a->value_low;

src/arch/ppc/boot/coreboot_table.c

@@ -116,7 +116,7 @@ void lb_strings(struct lb_header *header)
 		{ LB_TAG_ASSEMBLER,      coreboot_assembler,      },
 	};
 	unsigned int i;
-	for(i = 0; i < sizeof(strings)/sizeof(strings[0]); i++) {
+	for(i = 0; i < ARRAY_SIZE(strings); i++) {
 		struct lb_string *rec;
 		size_t len;
 		rec = (struct lb_string *)lb_new_record(header);