util/cbmem: Use correct integer types for loop indices

Make sure that the type of the loop index matches the type of the upper
bound. This fixes several -Wsign-compare warnings.

Change-Id: Iaa94ce93bc35d523bc782ad914bfd283606becac
Signed-off-by: Jacob Garber <jgarber1@ualberta.ca>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33850
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Martin Roth <martinroth@google.com>

1 files changed, 8 insertions, 16 deletions

diff --git a/util/cbmem/cbmem.c b/util/cbmem/cbmem.c
index 9d2a64349c..563bcbe9c2 100644
--- a/util/cbmem/cbmem.c
+++ b/util/cbmem/cbmem.c
@@ -543,9 +543,7 @@ static void print_norm(u64 v)
 
 static const char *timestamp_name(uint32_t id)
 {
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(timestamp_ids); i++) {
+	for (size_t i = 0; i < ARRAY_SIZE(timestamp_ids); i++) {
 		if (timestamp_ids[i].id == id)
 			return timestamp_ids[i].name;
 	}
@@ -608,7 +606,6 @@ static int compare_timestamp_entries(const void *a, const void *b)
 /* dump the timestamp table */
 static void dump_timestamps(int mach_readable)
 {
-	int i;
 	const struct timestamp_table *tst_p;
 	struct timestamp_table *sorted_tst_p;
 	size_t size;
@@ -656,7 +653,7 @@ static void dump_timestamps(int mach_readable)
 	      sizeof(struct timestamp_entry), compare_timestamp_entries);
 
 	total_time = 0;
-	for (i = 0; i < sorted_tst_p->num_entries; i++) {
+	for (uint32_t i = 0; i < sorted_tst_p->num_entries; i++) {
 		uint64_t stamp;
 		const struct timestamp_entry *tse = &sorted_tst_p->entries[i];
 
@@ -685,7 +682,6 @@ static void dump_timestamps(int mach_readable)
 /* dump the tcpa log table */
 static void dump_tcpa_log(void)
 {
-	int i, j;
 	const struct tcpa_table *tclt_p;
 	size_t size;
 	struct mapping tcpa_mapping;
@@ -710,12 +706,12 @@ static void dump_tcpa_log(void)
 
 	printf("coreboot TCPA log:\n\n");
 
-	for (i = 0; i < tclt_p->num_entries; i++) {
+	for (uint16_t i = 0; i < tclt_p->num_entries; i++) {
 		const struct tcpa_entry *tce = &tclt_p->entries[i];
 
 		printf(" PCR-%u ", tce->pcr);
 
-		for (j = 0; j < tce->digest_length; j++)
+		for (uint32_t j = 0; j < tce->digest_length; j++)
 			printf("%02x", tce->digest[j]);
 
 		printf(" %s [%s]\n", tce->digest_type, tce->name);
@@ -806,9 +802,8 @@ static void dump_console(int one_boot_only)
 					BANNER_REGEX("romstage"),
 					OVERFLOW_REGEX("ramstage"),
 					BANNER_REGEX("ramstage") };
-		int i;
 
-		for (i = 0; !cursor && i < ARRAY_SIZE(regex); i++) {
+		for (size_t i = 0; !cursor && i < ARRAY_SIZE(regex); i++) {
 			regex_t re;
 			regmatch_t match;
 			assert(!regcomp(&re, regex[i], 0));
@@ -875,7 +870,6 @@ static void dump_cbmem_hex(void)
 
 void rawdump(uint64_t base, uint64_t size)
 {
-	int i;
 	const uint8_t *m;
 	struct mapping dump_mapping;
 
@@ -883,7 +877,7 @@ void rawdump(uint64_t base, uint64_t size)
 	if (!m)
 		die("Unable to map rawdump memory\n");
 
-	for (i = 0 ; i < size; i++)
+	for (uint64_t i = 0 ; i < size; i++)
 		printf("%c", m[i]);
 
 	unmap_memory(&dump_mapping);
@@ -937,12 +931,11 @@ static const struct cbmem_id_to_name cbmem_ids[] = { CBMEM_ID_TO_NAME_TABLE };
 #define MAX_STAGEx 10
 void cbmem_print_entry(int n, uint32_t id, uint64_t base, uint64_t size)
 {
-	int i;
 	const char *name;
 	char stage_x[20];
 
 	name = NULL;
-	for (i = 0; i < ARRAY_SIZE(cbmem_ids); i++) {
+	for (size_t i = 0; i < ARRAY_SIZE(cbmem_ids); i++) {
 		if (cbmem_ids[i].id == id) {
 			name = cbmem_ids[i].name;
 			break;
@@ -1390,11 +1383,10 @@ int main(int argc, char** argv)
 
 	parse_cbtable(baseaddr, cb_table_size);
 #else
-	int j;
 	unsigned long long possible_base_addresses[] = { 0, 0xf0000 };
 
 	/* Find and parse coreboot table */
-	for (j = 0; j < ARRAY_SIZE(possible_base_addresses); j++) {
+	for (size_t j = 0; j < ARRAY_SIZE(possible_base_addresses); j++) {
 		if (!parse_cbtable(possible_base_addresses[j], 0))
 			break;
 	}