* Copyright (C) 2004, 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
- * Copyright (C) 2007,2008 Øyvind Harboe *
+ * Copyright (C) 2007,2008 Øyvind Harboe *
* oyvind.harboe@zylin.com *
* *
* This program is free software; you can redistribute it and/or modify *
#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)
+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
- {
+ 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++)
+ for (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)
+static inline uint32_t buf_get_u32(const uint8_t* buffer,
+ unsigned int first, unsigned int num)
{
- 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
- {
+ 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 (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;
}
}
-extern uint32_t flip_u32(uint32_t value, unsigned int num);
+/// 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);
-extern int buf_cmp(const uint8_t *buf1, const uint8_t *buf2, int size);
-extern int buf_cmp_mask(const uint8_t *buf1, const uint8_t *buf2, const uint8_t *mask, int size);
-extern uint8_t* buf_cpy(const uint8_t *from, uint8_t *to, int size);
+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);
-extern uint8_t* buf_set_ones(uint8_t *buf, int count);
-extern uint8_t* buf_set_buf(const uint8_t *src, int src_start, uint8_t *dst, int dst_start, int len);
+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);
-extern int str_to_buf(const char *str, int len, uint8_t *bin_buf, int buf_size, int radix);
-extern char* buf_to_str(const uint8_t *buf, int size, int radix);
+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);
-struct scan_field_s;
-extern int buf_to_u32_handler(uint8_t *in_buf, void *priv, struct scan_field_s *field);
-
-#define CEIL(m, n) ((m + n - 1) / n)
+#define CEIL(m, n) (((m) + (n) - 1) / (n))
/* read a uint32_t from a buffer in target memory endianness */
-static inline uint32_t fast_target_buffer_get_u32(const uint8_t *buffer, int little)
+static inline uint32_t fast_target_buffer_get_u32(const uint8_t *p, int le)
{
- if (little)
- return le_to_h_u32(buffer);
- else
- return be_to_h_u32(buffer);
+ return le ? le_to_h_u32(p) : be_to_h_u32(p);
}
#endif /* BINARYBUFFER_H */