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Diffstat (limited to 'tools/testing/selftests/kvm/lib/sparsebit.c')
-rw-r--r--tools/testing/selftests/kvm/lib/sparsebit.c52
1 files changed, 25 insertions, 27 deletions
diff --git a/tools/testing/selftests/kvm/lib/sparsebit.c b/tools/testing/selftests/kvm/lib/sparsebit.c
index 031ba3c932ed..cfed9d26cc71 100644
--- a/tools/testing/selftests/kvm/lib/sparsebit.c
+++ b/tools/testing/selftests/kvm/lib/sparsebit.c
@@ -202,7 +202,7 @@ static sparsebit_num_t node_num_set(struct node *nodep)
/* Returns a pointer to the node that describes the
* lowest bit index.
*/
-static struct node *node_first(struct sparsebit *s)
+static struct node *node_first(const struct sparsebit *s)
{
struct node *nodep;
@@ -216,7 +216,7 @@ static struct node *node_first(struct sparsebit *s)
* lowest bit index > the index of the node pointed to by np.
* Returns NULL if no node with a higher index exists.
*/
-static struct node *node_next(struct sparsebit *s, struct node *np)
+static struct node *node_next(const struct sparsebit *s, struct node *np)
{
struct node *nodep = np;
@@ -244,7 +244,7 @@ static struct node *node_next(struct sparsebit *s, struct node *np)
* highest index < the index of the node pointed to by np.
* Returns NULL if no node with a lower index exists.
*/
-static struct node *node_prev(struct sparsebit *s, struct node *np)
+static struct node *node_prev(const struct sparsebit *s, struct node *np)
{
struct node *nodep = np;
@@ -273,7 +273,7 @@ static struct node *node_prev(struct sparsebit *s, struct node *np)
* subtree and duplicates the bit settings to the newly allocated nodes.
* Returns the newly allocated copy of subtree.
*/
-static struct node *node_copy_subtree(struct node *subtree)
+static struct node *node_copy_subtree(const struct node *subtree)
{
struct node *root;
@@ -307,7 +307,7 @@ static struct node *node_copy_subtree(struct node *subtree)
* index is within the bits described by the mask bits or the number of
* contiguous bits set after the mask. Returns NULL if there is no such node.
*/
-static struct node *node_find(struct sparsebit *s, sparsebit_idx_t idx)
+static struct node *node_find(const struct sparsebit *s, sparsebit_idx_t idx)
{
struct node *nodep;
@@ -393,7 +393,7 @@ static struct node *node_add(struct sparsebit *s, sparsebit_idx_t idx)
}
/* Returns whether all the bits in the sparsebit array are set. */
-bool sparsebit_all_set(struct sparsebit *s)
+bool sparsebit_all_set(const struct sparsebit *s)
{
/*
* If any nodes there must be at least one bit set. Only case
@@ -634,7 +634,6 @@ static void node_reduce(struct sparsebit *s, struct node *nodep)
tmp = node_prev(s, nodep);
node_rm(s, nodep);
- nodep = NULL;
nodep = tmp;
reduction_performed = true;
@@ -776,7 +775,7 @@ static void node_reduce(struct sparsebit *s, struct node *nodep)
/* Returns whether the bit at the index given by idx, within the
* sparsebit array is set or not.
*/
-bool sparsebit_is_set(struct sparsebit *s, sparsebit_idx_t idx)
+bool sparsebit_is_set(const struct sparsebit *s, sparsebit_idx_t idx)
{
struct node *nodep;
@@ -922,7 +921,7 @@ static inline sparsebit_idx_t node_first_clear(struct node *nodep, int start)
* used by test cases after they detect an unexpected condition, as a means
* to capture diagnostic information.
*/
-static void sparsebit_dump_internal(FILE *stream, struct sparsebit *s,
+static void sparsebit_dump_internal(FILE *stream, const struct sparsebit *s,
unsigned int indent)
{
/* Dump the contents of s */
@@ -970,7 +969,7 @@ void sparsebit_free(struct sparsebit **sbitp)
* sparsebit_alloc(). It can though already have bits set, which
* if different from src will be cleared.
*/
-void sparsebit_copy(struct sparsebit *d, struct sparsebit *s)
+void sparsebit_copy(struct sparsebit *d, const struct sparsebit *s)
{
/* First clear any bits already set in the destination */
sparsebit_clear_all(d);
@@ -982,7 +981,7 @@ void sparsebit_copy(struct sparsebit *d, struct sparsebit *s)
}
/* Returns whether num consecutive bits starting at idx are all set. */
-bool sparsebit_is_set_num(struct sparsebit *s,
+bool sparsebit_is_set_num(const struct sparsebit *s,
sparsebit_idx_t idx, sparsebit_num_t num)
{
sparsebit_idx_t next_cleared;
@@ -1006,14 +1005,14 @@ bool sparsebit_is_set_num(struct sparsebit *s,
}
/* Returns whether the bit at the index given by idx. */
-bool sparsebit_is_clear(struct sparsebit *s,
+bool sparsebit_is_clear(const struct sparsebit *s,
sparsebit_idx_t idx)
{
return !sparsebit_is_set(s, idx);
}
/* Returns whether num consecutive bits starting at idx are all cleared. */
-bool sparsebit_is_clear_num(struct sparsebit *s,
+bool sparsebit_is_clear_num(const struct sparsebit *s,
sparsebit_idx_t idx, sparsebit_num_t num)
{
sparsebit_idx_t next_set;
@@ -1042,13 +1041,13 @@ bool sparsebit_is_clear_num(struct sparsebit *s,
* value. Use sparsebit_any_set(), instead of sparsebit_num_set() > 0,
* to determine if the sparsebit array has any bits set.
*/
-sparsebit_num_t sparsebit_num_set(struct sparsebit *s)
+sparsebit_num_t sparsebit_num_set(const struct sparsebit *s)
{
return s->num_set;
}
/* Returns whether any bit is set in the sparsebit array. */
-bool sparsebit_any_set(struct sparsebit *s)
+bool sparsebit_any_set(const struct sparsebit *s)
{
/*
* Nodes only describe set bits. If any nodes then there
@@ -1071,20 +1070,20 @@ bool sparsebit_any_set(struct sparsebit *s)
}
/* Returns whether all the bits in the sparsebit array are cleared. */
-bool sparsebit_all_clear(struct sparsebit *s)
+bool sparsebit_all_clear(const struct sparsebit *s)
{
return !sparsebit_any_set(s);
}
/* Returns whether all the bits in the sparsebit array are set. */
-bool sparsebit_any_clear(struct sparsebit *s)
+bool sparsebit_any_clear(const struct sparsebit *s)
{
return !sparsebit_all_set(s);
}
/* Returns the index of the first set bit. Abort if no bits are set.
*/
-sparsebit_idx_t sparsebit_first_set(struct sparsebit *s)
+sparsebit_idx_t sparsebit_first_set(const struct sparsebit *s)
{
struct node *nodep;
@@ -1098,7 +1097,7 @@ sparsebit_idx_t sparsebit_first_set(struct sparsebit *s)
/* Returns the index of the first cleared bit. Abort if
* no bits are cleared.
*/
-sparsebit_idx_t sparsebit_first_clear(struct sparsebit *s)
+sparsebit_idx_t sparsebit_first_clear(const struct sparsebit *s)
{
struct node *nodep1, *nodep2;
@@ -1152,7 +1151,7 @@ sparsebit_idx_t sparsebit_first_clear(struct sparsebit *s)
/* Returns index of next bit set within s after the index given by prev.
* Returns 0 if there are no bits after prev that are set.
*/
-sparsebit_idx_t sparsebit_next_set(struct sparsebit *s,
+sparsebit_idx_t sparsebit_next_set(const struct sparsebit *s,
sparsebit_idx_t prev)
{
sparsebit_idx_t lowest_possible = prev + 1;
@@ -1245,7 +1244,7 @@ sparsebit_idx_t sparsebit_next_set(struct sparsebit *s,
/* Returns index of next bit cleared within s after the index given by prev.
* Returns 0 if there are no bits after prev that are cleared.
*/
-sparsebit_idx_t sparsebit_next_clear(struct sparsebit *s,
+sparsebit_idx_t sparsebit_next_clear(const struct sparsebit *s,
sparsebit_idx_t prev)
{
sparsebit_idx_t lowest_possible = prev + 1;
@@ -1301,7 +1300,7 @@ sparsebit_idx_t sparsebit_next_clear(struct sparsebit *s,
* and returns the index of the first sequence of num consecutively set
* bits. Returns a value of 0 of no such sequence exists.
*/
-sparsebit_idx_t sparsebit_next_set_num(struct sparsebit *s,
+sparsebit_idx_t sparsebit_next_set_num(const struct sparsebit *s,
sparsebit_idx_t start, sparsebit_num_t num)
{
sparsebit_idx_t idx;
@@ -1336,7 +1335,7 @@ sparsebit_idx_t sparsebit_next_set_num(struct sparsebit *s,
* and returns the index of the first sequence of num consecutively cleared
* bits. Returns a value of 0 of no such sequence exists.
*/
-sparsebit_idx_t sparsebit_next_clear_num(struct sparsebit *s,
+sparsebit_idx_t sparsebit_next_clear_num(const struct sparsebit *s,
sparsebit_idx_t start, sparsebit_num_t num)
{
sparsebit_idx_t idx;
@@ -1584,7 +1583,7 @@ static size_t display_range(FILE *stream, sparsebit_idx_t low,
* contiguous bits. This is done because '-' is used to specify command-line
* options, and sometimes ranges are specified as command-line arguments.
*/
-void sparsebit_dump(FILE *stream, struct sparsebit *s,
+void sparsebit_dump(FILE *stream, const struct sparsebit *s,
unsigned int indent)
{
size_t current_line_len = 0;
@@ -1682,7 +1681,7 @@ void sparsebit_dump(FILE *stream, struct sparsebit *s,
* s. On error, diagnostic information is printed to stderr and
* abort is called.
*/
-void sparsebit_validate_internal(struct sparsebit *s)
+void sparsebit_validate_internal(const struct sparsebit *s)
{
bool error_detected = false;
struct node *nodep, *prev = NULL;
@@ -1866,7 +1865,7 @@ void sparsebit_validate_internal(struct sparsebit *s)
* of total bits set.
*/
if (s->num_set != total_bits_set) {
- fprintf(stderr, "Number of bits set missmatch,\n"
+ fprintf(stderr, "Number of bits set mismatch,\n"
" s->num_set: 0x%lx total_bits_set: 0x%lx",
s->num_set, total_bits_set);
@@ -1890,7 +1889,6 @@ void sparsebit_validate_internal(struct sparsebit *s)
*/
#include <stdlib.h>
-#include <assert.h>
struct range {
sparsebit_idx_t first, last;