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shared/bitmap: constify various operators which don't modify bitmap

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This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2019-07-28 11:04:12 +02:00
parent f0d67dcddd
commit 8594c8a552
2 changed files with 9 additions and 10 deletions
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11
src/shared/bitmap.c
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@ -117,7 +117,7 @@ void bitmap_unset(Bitmap *b, unsigned n) {
b->bitmaps[offset] &= ~bitmask;
}
bool bitmap_isset(Bitmap *b, unsigned n) {
bool bitmap_isset(const Bitmap *b, unsigned n) {
uint64_t bitmask;
unsigned offset;
@ -134,7 +134,7 @@ bool bitmap_isset(Bitmap *b, unsigned n) {
return !!(b->bitmaps[offset] & bitmask);
}
bool bitmap_isclear(Bitmap *b) {
bool bitmap_isclear(const Bitmap *b) {
unsigned i;
if (!b)
@ -148,7 +148,6 @@ bool bitmap_isclear(Bitmap *b) {
}
void bitmap_clear(Bitmap *b) {
if (!b)
return;
@ -157,7 +156,7 @@ void bitmap_clear(Bitmap *b) {
b->bitmaps_allocated = 0;
}
bool bitmap_iterate(Bitmap *b, Iterator *i, unsigned *n) {
bool bitmap_iterate(const Bitmap *b, Iterator *i, unsigned *n) {
uint64_t bitmask;
unsigned offset, rem;
@ -192,9 +191,9 @@ bool bitmap_iterate(Bitmap *b, Iterator *i, unsigned *n) {
return false;
}
bool bitmap_equal(Bitmap *a, Bitmap *b) {
bool bitmap_equal(const Bitmap *a, const Bitmap *b) {
size_t common_n_bitmaps;
Bitmap *c;
const Bitmap *c;
unsigned i;
if (a == b)

8
src/shared/bitmap.h
View File

@ -15,13 +15,13 @@ void bitmap_free(Bitmap *b);
int bitmap_set(Bitmap *b, unsigned n);
void bitmap_unset(Bitmap *b, unsigned n);
bool bitmap_isset(Bitmap *b, unsigned n);
bool bitmap_isclear(Bitmap *b);
bool bitmap_isset(const Bitmap *b, unsigned n);
bool bitmap_isclear(const Bitmap *b);
void bitmap_clear(Bitmap *b);
bool bitmap_iterate(Bitmap *b, Iterator *i, unsigned *n);
bool bitmap_iterate(const Bitmap *b, Iterator *i, unsigned *n);
bool bitmap_equal(Bitmap *a, Bitmap *b);
bool bitmap_equal(const Bitmap *a, const Bitmap *b);
#define BITMAP_FOREACH(n, b, i) \
for ((i).idx = 0; bitmap_iterate((b), &(i), (unsigned*)&(n)); )