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os: bitarray.c: Address -Wextra warnings

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Changed incrementing `for` loop counters to `size_t` from `int` to
eliminate warning, "warning: comparison of integer expressions of
different signedness: 'uint32_t' {aka 'unsigned int'} and 'int'
[-Wsign-compare]"

Signed-off-by: Zachary J. Fields <zachary_fields@yahoo.com>
This commit is contained in:
Zachary J. Fields 2023-02-07 21:45:58 +00:00 committed by Carles Cufí
parent 9b30667c77
commit 8dbe58907d
1 changed files with 7 additions and 6 deletions
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13
lib/os/bitarray.c
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@ -67,7 +67,7 @@ static bool match_region(sys_bitarray_t *bitarray, size_t offset,
struct bundle_data *bd,
size_t *mismatch)
{
int idx;
size_t idx;
uint32_t bundle;
uint32_t mismatch_bundle;
size_t mismatch_bundle_idx;
@ -173,7 +173,7 @@ static void set_region(sys_bitarray_t *bitarray, size_t offset,
size_t num_bits, bool to_set,
struct bundle_data *bd)
{
int idx;
size_t idx;
struct bundle_data bdata;
if (bd == NULL) {
@ -414,19 +414,20 @@ int sys_bitarray_alloc(sys_bitarray_t *bitarray, size_t num_bits,
* On RISC-V 64-bit, it complains about undefined reference to `ffs`.
* So don't use this on RISCV64.
*/
for (ret = 0; ret < bitarray->num_bundles; ret++) {
if (~bitarray->bundles[ret] == 0U) {
for (size_t idx = 0; idx < bitarray->num_bundles; idx++) {
if (~bitarray->bundles[idx] == 0U) {
/* bundle is all 1s => all allocated, skip */
bit_idx += bundle_bitness(bitarray);
continue;
}
if (bitarray->bundles[ret] != 0U) {
if (bitarray->bundles[idx] != 0U) {
/* Find the first free bit in bundle if not all free */
off_start = find_lsb_set(~bitarray->bundles[ret]) - 1;
off_start = find_lsb_set(~bitarray->bundles[idx]) - 1;
bit_idx += off_start;
}
ret = idx < INT_MAX ? (int)idx : INT_MAX;
break;
}