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authorHarald Welte <laforge@gnumonks.org>2011-08-17 12:46:48 +0200
committerHarald Welte <laforge@gnumonks.org>2011-08-17 17:14:11 +0200
commitba6988bd893eb08c54ffdb144700530e3a683d6e (patch)
tree0ae180c7c7bd072c5e11b32e2dc1f2200dea8f34 /src/bitvec.c
parent03bba4313f9e6f880ec5cadcb66a0df9663349b9 (diff)
some more doxygen work (include the notion of modules)
Diffstat (limited to 'src/bitvec.c')
-rw-r--r--src/bitvec.c53
1 files changed, 42 insertions, 11 deletions
diff --git a/src/bitvec.c b/src/bitvec.c
index 4fd38349..8a086b81 100644
--- a/src/bitvec.c
+++ b/src/bitvec.c
@@ -20,6 +20,13 @@
*
*/
+/*! \addtogroup bitvec
+ * @{
+ */
+
+/*! \file bitvec.c
+ * \brief Osmocom bit vector abstraction
+ */
#include <errno.h>
#include <stdint.h>
@@ -59,7 +66,11 @@ static uint8_t bitval2mask(enum bit_value bit, uint8_t bitnum)
return bitval;
}
-/* check if the bit is 0 or 1 for a given position inside a bitvec */
+/*! \brief check if the bit is 0 or 1 for a given position inside a bitvec
+ * \param[in] bv the bit vector on which to check
+ * \param[in] bitnr the bit number inside the bit vector to check
+ * \returns
+ */
enum bit_value bitvec_get_bit_pos(const struct bitvec *bv, unsigned int bitnr)
{
unsigned int bytenum = bytenum_from_bitnum(bitnr);
@@ -77,7 +88,10 @@ enum bit_value bitvec_get_bit_pos(const struct bitvec *bv, unsigned int bitnr)
return ZERO;
}
-/* check if the bit is L or H for a given position inside a bitvec */
+/*! \brief check if the bit is L or H for a given position inside a bitvec
+ * \param[in] bv the bit vector on which to check
+ * \param[in] bitnr the bit number inside the bit vector to check
+ */
enum bit_value bitvec_get_bit_pos_high(const struct bitvec *bv,
unsigned int bitnr)
{
@@ -96,7 +110,11 @@ enum bit_value bitvec_get_bit_pos_high(const struct bitvec *bv,
return L;
}
-/* get the Nth set bit inside the bit vector */
+/*! \brief get the Nth set bit inside the bit vector
+ * \param[in] bv the bit vector to use
+ * \param[in] n the bit number to get
+ * \returns the bit number (offset) of the Nth set bit in \a bv
+ */
unsigned int bitvec_get_nth_set_bit(const struct bitvec *bv, unsigned int n)
{
unsigned int i, k = 0;
@@ -112,7 +130,11 @@ unsigned int bitvec_get_nth_set_bit(const struct bitvec *bv, unsigned int n)
return 0;
}
-/* set the bit at a given position inside a bitvec */
+/*! \brief set a bit at given position in a bit vector
+ * \param[in] bv bit vector on which to operate
+ * \param[in] bitnum number of bit to be set
+ * \param[in] bit value to which the bit is to be set
+ */
int bitvec_set_bit_pos(struct bitvec *bv, unsigned int bitnr,
enum bit_value bit)
{
@@ -134,7 +156,10 @@ int bitvec_set_bit_pos(struct bitvec *bv, unsigned int bitnr,
return 0;
}
-/* set the next bit inside a bitvec */
+/*! \brief set the next bit inside a bitvec
+ * \param[in] bv bit vector to be used
+ * \param[in] bit value of the bit to be set
+ */
int bitvec_set_bit(struct bitvec *bv, enum bit_value bit)
{
int rc;
@@ -146,7 +171,7 @@ int bitvec_set_bit(struct bitvec *bv, enum bit_value bit)
return rc;
}
-/* get the next bit (low/high) inside a bitvec */
+/*! \brief get the next bit (low/high) inside a bitvec */
int bitvec_get_bit_high(struct bitvec *bv)
{
int rc;
@@ -158,7 +183,11 @@ int bitvec_get_bit_high(struct bitvec *bv)
return rc;
}
-/* set multiple bits (based on array of bitvals) at current pos */
+/*! \brief set multiple bits (based on array of bitvals) at current pos
+ * \param[in] bv bit vector
+ * \param[in] bits array of \ref bit_value
+ * \param[in] count number of bits to set
+ */
int bitvec_set_bits(struct bitvec *bv, enum bit_value *bits, int count)
{
int i, rc;
@@ -172,7 +201,7 @@ int bitvec_set_bits(struct bitvec *bv, enum bit_value *bits, int count)
return 0;
}
-/* set multiple bits (based on numeric value) at current pos */
+/*! \brief set multiple bits (based on numeric value) at current pos */
int bitvec_set_uint(struct bitvec *bv, unsigned int ui, int num_bits)
{
int i, rc;
@@ -189,7 +218,7 @@ int bitvec_set_uint(struct bitvec *bv, unsigned int ui, int num_bits)
return 0;
}
-/* get multiple bits (based on numeric value) from current pos */
+/*! \brief get multiple bits (based on numeric value) from current pos */
int bitvec_get_uint(struct bitvec *bv, int num_bits)
{
int i;
@@ -207,7 +236,7 @@ int bitvec_get_uint(struct bitvec *bv, int num_bits)
return ui;
}
-/* pad all remaining bits up to num_bits */
+/*! \brief pad all remaining bits up to num_bits */
int bitvec_spare_padding(struct bitvec *bv, unsigned int up_to_bit)
{
unsigned int i;
@@ -218,7 +247,7 @@ int bitvec_spare_padding(struct bitvec *bv, unsigned int up_to_bit)
return 0;
}
-/* find first bit set in bit vector */
+/*! \brief find first bit set in bit vector */
int bitvec_find_bit_pos(const struct bitvec *bv, unsigned int n,
enum bit_value val)
{
@@ -231,3 +260,5 @@ int bitvec_find_bit_pos(const struct bitvec *bv, unsigned int n,
return -1;
}
+
+/*! }@ */