#include "types.h"
-/* support functions to access arbitrary bits in a byte array
- * flip_u32 inverses the bit order inside a 32-bit word (31..0 -> 0..31)
+/** @file
+ * Support functions to access arbitrary bits in a byte array
*/
/* inlining this will help show what fn that is taking time during profiling. */
static inline void buf_set_u32(uint8_t* buffer,
unsigned int first, unsigned int num, uint32_t value)
{
- if ((num == 32) && (first == 0))
- {
- buffer[3]=(value >> 24)&0xff;
- buffer[2]=(value >> 16)&0xff;
- buffer[1]=(value >> 8)&0xff;
- buffer[0]=(value >> 0)&0xff;
- } else
- {
- unsigned int i;
-
- for (i = first; i < first + num; i++)
+ if ((num == 32) && (first == 0)) {
+ buffer[3] = (value >> 24) & 0xff;
+ buffer[2] = (value >> 16) & 0xff;
+ buffer[1] = (value >> 8) & 0xff;
+ buffer[0] = (value >> 0) & 0xff;
+ } else {
+ for (unsigned i = first; i < first + num; i++)
{
- if (((value >> (i-first))&1) == 1)
- buffer[i/8] |= 1 << (i%8);
+ if (((value >> (i - first)) & 1) == 1)
+ buffer[i / 8] |= 1 << (i % 8);
else
- buffer[i/8] &= ~(1 << (i%8));
+ buffer[i / 8] &= ~(1 << (i % 8));
}
}
}
static inline uint32_t buf_get_u32(const uint8_t* buffer,
unsigned int first, unsigned int num)
{
- if ((num == 32) && (first == 0))
- {
+ if ((num == 32) && (first == 0)) {
return (((uint32_t)buffer[3]) << 24) |
(((uint32_t)buffer[2]) << 16) |
(((uint32_t)buffer[1]) << 8) |
(((uint32_t)buffer[0]) << 0);
} else {
uint32_t result = 0;
- unsigned int i;
-
- for (i = first; i < first + num; i++)
+ for (unsigned i = first; i < first + num; i++)
{
- if (((buffer[i/8]>>(i%8))&1) == 1)
- result |= 1 << (i-first);
+ if (((buffer[i / 8] >> (i % 8)) & 1) == 1)
+ result |= 1 << (i - first);
}
-
return result;
}
}
+/// flip_u32 inverts the bit order inside a 32-bit word (31..0 -> 0..31)
uint32_t flip_u32(uint32_t value, unsigned int num);
-int buf_cmp(const uint8_t *buf1, const uint8_t *buf2, int size);
-int buf_cmp_mask(const uint8_t *buf1, const uint8_t *buf2,
- const uint8_t *mask, int size);
-uint8_t* buf_cpy(const uint8_t *from, uint8_t *to, int size);
+bool buf_cmp(const void *buf1, const void *buf2, unsigned size);
+bool buf_cmp_mask(const void *buf1, const void *buf2,
+ const void *mask, unsigned size);
+
+void* buf_cpy(const void *from, void *to, unsigned size);
-uint8_t* buf_set_ones(uint8_t *buf, int count);
-uint8_t* buf_set_buf(const uint8_t *src, int src_start,
- uint8_t *dst, int dst_start, int len);
+void* buf_set_ones(void *buf, unsigned count);
-int str_to_buf(const char *str, int len,
- uint8_t *bin_buf, int buf_size, int radix);
-char* buf_to_str(const uint8_t *buf, int size, int radix);
+void* buf_set_buf(const void *src, unsigned src_start,
+ void *dst, unsigned dst_start, unsigned len);
-struct scan_field;
-int buf_to_u32_handler(uint8_t *in_buf, void *priv, struct scan_field *field);
+int str_to_buf(const char *str, unsigned len,
+ void *bin_buf, unsigned buf_size, unsigned radix);
+char* buf_to_str(const void *buf, unsigned size, unsigned radix);
#define CEIL(m, n) (((m) + (n) - 1) / (n))