bitset: use void * instead of uint8_t *

include/bitset.h

@@ -3,8 +3,8 @@
 #include <stdint.h>
 #include <stdlib.h>
 
-int is_bit_set(uint8_t *set, size_t n);
-void set_bit(uint8_t *set, size_t n);
-void clear_bit(uint8_t *set, size_t n);
-size_t next_set_bit(uint8_t *set, size_t len);
-size_t next_clear_bit(uint8_t *set, size_t len);
+int is_bit_set(void *set, size_t n);
+void set_bit(void *set, size_t n);
+void clear_bit(void *set, size_t n);
+size_t next_set_bit(void *set, size_t len);
+size_t next_clear_bit(void *set, size_t len);

source/bitset.c

@@ -1,8 +1,9 @@
 #include <bitset.h>
 #include <macros.h>
 
-int is_bit_set(uint8_t *set, size_t n)
+int is_bit_set(void *set_, size_t n)
 {
+	uint8_t *set = set_;
 	uint8_t *word, mask;
 
 	word = set + n / BIT_SIZE(*set);
@@ -11,8 +12,9 @@ int is_bit_set(uint8_t *set, size_t n)
 	return (*word & mask) ? 1 : 0;
 }
 
-void set_bit(uint8_t *set, size_t n)
+void set_bit(void *set_, size_t n)
 {
+	uint8_t *set = set_;
 	uint8_t *word, mask;
 
 	word = set + n / BIT_SIZE(*set);
@@ -21,8 +23,9 @@ void set_bit(uint8_t *set, size_t n)
 	*word |= mask;
 }
 
-void clear_bit(uint8_t *set, size_t n)
+void clear_bit(void *set_, size_t n)
 {
+	uint8_t *set = set_;
 	uint8_t *word, mask;
 
 	word = set + n / BIT_SIZE(*set);
@@ -31,8 +34,9 @@ void clear_bit(uint8_t *set, size_t n)
 	*word &= ~mask;
 }
 
-size_t next_set_bit(uint8_t *set, size_t len)
+size_t next_set_bit(void *set_, size_t len)
 {
+	uint8_t *set = set_;
 	size_t n;
 
 	for (n = 0; n < len; ++n) {
@@ -43,8 +47,9 @@ size_t next_set_bit(uint8_t *set, size_t len)
 	return SIZE_MAX;
 }
 
-size_t next_clear_bit(uint8_t *set, size_t len)
+size_t next_clear_bit(void *set_, size_t len)
 {
+	uint8_t *set = set_;
 	size_t n;
 
 	for (n = 0; n < len; ++n) {