(bitset_alloc, bitset_and_or_, bitset_and_or_cmp_, bitset_andn_or_,

bitset_andn_or_cmp_, bitset_bytes, bitset_copy_, bitset_count_,
bitset_create, bitset_dump, bitset_first, bitset_free, bitset_init,
bitset_last, bitset_next, bitset_obstack_alloc, bitset_obstack_free,
bitset_only_set_p, bitset_op4_cmp, bitset_or_and_, bitset_or_and_cmp_,
bitset_prev, bitset_print, bitset_release_memory, bitset_toggle_,
bitset_type_choose, bitset_type_get, bitset_type_name_get,
debug_bitset): Use function prototypes; this removes the need for
declaring static functions simply to provide their prototypes.
This commit is contained in:
Paul Eggert
2002-10-16 06:18:00 +00:00
parent 59fc3dcdf4
commit 447e90bcef

View File

@@ -30,16 +30,11 @@
const char * const bitset_type_names[] = BITSET_TYPE_NAMES; const char * const bitset_type_names[] = BITSET_TYPE_NAMES;
static void bitset_print PARAMS ((FILE *, bitset, int));
static int bitset_op4_cmp PARAMS ((bitset, bitset, bitset, bitset, int));
/* Return number of bytes required to create a N_BIT bitset /* Return number of bytes required to create a N_BIT bitset
of TYPE. The bitset may grow to require more bytes than this. */ of TYPE. The bitset may grow to require more bytes than this. */
size_t size_t
bitset_bytes (type, n_bits) bitset_bytes (enum bitset_type type, bitset_bindex n_bits)
enum_bitset_type type;
bitset_bindex n_bits;
{ {
size_t bytes; size_t bytes;
@@ -70,14 +65,11 @@ bitset_bytes (type, n_bits)
/* Initialise bitset BSET of TYPE for N_BITS. */ /* Initialise bitset BSET of TYPE for N_BITS. */
bitset bitset
bitset_init (bset, n_bits, type) bitset_init (bitset bset, bitset_bindex n_bits, enum bitset_type type)
bitset bset;
bitset_bindex n_bits;
enum_bitset_type type;
{ {
if (bitset_stats_enabled) if (bitset_stats_enabled)
return bitset_stats_init (bset, n_bits, type); return bitset_stats_init (bset, n_bits, type);
switch (type) switch (type)
{ {
case BITSET_ARRAY: case BITSET_ARRAY:
@@ -99,9 +91,7 @@ bitset_init (bset, n_bits, type)
specified by ATTR. For variable size bitsets, N_BITS is only a specified by ATTR. For variable size bitsets, N_BITS is only a
hint and may be zero. */ hint and may be zero. */
enum bitset_type enum bitset_type
bitset_type_choose (n_bits, attr) bitset_type_choose (bitset_bindex n_bits ATTRIBUTE_UNUSED, unsigned int attr)
bitset_bindex n_bits ATTRIBUTE_UNUSED;
unsigned int attr;
{ {
enum bitset_type type; enum bitset_type type;
@@ -129,9 +119,7 @@ bitset_type_choose (n_bits, attr)
/* Create a bitset of N_BITS of type TYPE. */ /* Create a bitset of N_BITS of type TYPE. */
bitset bitset
bitset_alloc (n_bits, type) bitset_alloc (bitset_bindex n_bits, enum bitset_type type)
bitset_bindex n_bits;
enum_bitset_type type;
{ {
size_t bytes; size_t bytes;
bitset bset; bitset bset;
@@ -150,10 +138,8 @@ bitset_alloc (n_bits, type)
/* Create a bitset of N_BITS of type TYPE. */ /* Create a bitset of N_BITS of type TYPE. */
bitset bitset
bitset_obstack_alloc (bobstack, n_bits, type) bitset_obstack_alloc (struct obstack *bobstack,
struct obstack *bobstack; bitset_bindex n_bits, enum bitset_type type)
bitset_bindex n_bits;
enum_bitset_type type;
{ {
size_t bytes; size_t bytes;
bitset bset; bitset bset;
@@ -170,9 +156,7 @@ bitset_obstack_alloc (bobstack, n_bits, type)
/* Create a bitset of N_BITS and with attribute hints specified by /* Create a bitset of N_BITS and with attribute hints specified by
ATTR. */ ATTR. */
bitset bitset
bitset_create (n_bits, attr) bitset_create (bitset_bindex n_bits, unsigned int attr)
bitset_bindex n_bits;
unsigned int attr;
{ {
enum bitset_type type; enum bitset_type type;
@@ -184,8 +168,7 @@ bitset_create (n_bits, attr)
/* Free bitset BSET. */ /* Free bitset BSET. */
void void
bitset_free (bset) bitset_free (bitset bset)
bitset bset;
{ {
BITSET_FREE_ (bset); BITSET_FREE_ (bset);
free (bset); free (bset);
@@ -194,8 +177,7 @@ bitset_free (bset)
/* Free bitset BSET allocated on obstack. */ /* Free bitset BSET allocated on obstack. */
void void
bitset_obstack_free (bset) bitset_obstack_free (bitset bset)
bitset bset;
{ {
BITSET_FREE_ (bset); BITSET_FREE_ (bset);
} }
@@ -203,23 +185,21 @@ bitset_obstack_free (bset)
/* Return bitset type. */ /* Return bitset type. */
enum bitset_type enum bitset_type
bitset_type_get (bset) bitset_type_get (bitset bset)
bitset bset;
{ {
enum bitset_type type; enum bitset_type type;
type = BITSET_TYPE_ (bset); type = BITSET_TYPE_ (bset);
if (type != BITSET_STATS) if (type != BITSET_STATS)
return type; return type;
return bitset_stats_type_get (bset); return bitset_stats_type_get (bset);
} }
/* Return name of bitset type. */ /* Return name of bitset type. */
const char * const char *
bitset_type_name_get (bset) bitset_type_name_get (bitset bset)
bitset bset;
{ {
enum bitset_type type; enum bitset_type type;
@@ -232,9 +212,7 @@ bitset_type_name_get (bset)
/* Find next bit set in SRC starting from and including BITNO. /* Find next bit set in SRC starting from and including BITNO.
Return BITSET_BINDEX_MAX if SRC empty. */ Return BITSET_BINDEX_MAX if SRC empty. */
bitset_bindex bitset_bindex
bitset_next (src, bitno) bitset_next (bitset src, bitset_bindex bitno)
bitset src;
bitset_bindex bitno;
{ {
bitset_bindex val; bitset_bindex val;
bitset_bindex next = bitno; bitset_bindex next = bitno;
@@ -248,9 +226,7 @@ bitset_next (src, bitno)
/* Find previous bit set in SRC starting from and including BITNO. /* Find previous bit set in SRC starting from and including BITNO.
Return BITSET_BINDEX_MAX if SRC empty. */ Return BITSET_BINDEX_MAX if SRC empty. */
bitset_bindex bitset_bindex
bitset_prev (src, bitno) bitset_prev (bitset src, bitset_bindex bitno)
bitset src;
bitset_bindex bitno;
{ {
bitset_bindex val; bitset_bindex val;
bitset_bindex next = bitno; bitset_bindex next = bitno;
@@ -263,8 +239,7 @@ bitset_prev (src, bitno)
/* Find first set bit. */ /* Find first set bit. */
bitset_bindex bitset_bindex
bitset_first (src) bitset_first (bitset src)
bitset src;
{ {
return bitset_next (src, 0); return bitset_next (src, 0);
} }
@@ -272,8 +247,7 @@ bitset_first (src)
/* Find last set bit. */ /* Find last set bit. */
bitset_bindex bitset_bindex
bitset_last (src) bitset_last (bitset src)
bitset src;
{ {
return bitset_prev (src, 0); return bitset_prev (src, 0);
} }
@@ -281,9 +255,7 @@ bitset_last (src)
/* Return non-zero if BITNO in SRC is the only set bit. */ /* Return non-zero if BITNO in SRC is the only set bit. */
int int
bitset_only_set_p (src, bitno) bitset_only_set_p (bitset src, bitset_bindex bitno)
bitset src;
bitset_bindex bitno;
{ {
bitset_bindex val[2]; bitset_bindex val[2];
bitset_bindex next = 0; bitset_bindex next = 0;
@@ -296,10 +268,7 @@ bitset_only_set_p (src, bitno)
/* Print contents of bitset BSET to FILE. */ /* Print contents of bitset BSET to FILE. */
static void static void
bitset_print (file, bset, verbose) bitset_print (FILE *file, bitset bset, int verbose)
FILE *file;
bitset bset;
int verbose;
{ {
unsigned int pos; unsigned int pos;
bitset_bindex i; bitset_bindex i;
@@ -329,9 +298,7 @@ bitset_print (file, bset, verbose)
/* Dump bitset BSET to FILE. */ /* Dump bitset BSET to FILE. */
void void
bitset_dump (file, bset) bitset_dump (FILE *file, bitset bset)
FILE *file;
bitset bset;
{ {
bitset_print (file, bset, 0); bitset_print (file, bset, 0);
} }
@@ -340,7 +307,7 @@ bitset_dump (file, bset)
/* Release memory associated with bitsets. */ /* Release memory associated with bitsets. */
void void
bitset_release_memory () bitset_release_memory (void)
{ {
lbitset_release_memory (); lbitset_release_memory ();
ebitset_release_memory (); ebitset_release_memory ();
@@ -350,9 +317,7 @@ bitset_release_memory ()
/* Toggle bit BITNO in bitset BSET and return non-zero if not set. */ /* Toggle bit BITNO in bitset BSET and return non-zero if not set. */
int int
bitset_toggle_ (bset, bitno) bitset_toggle_ (bitset bset, bitset_bindex bitno)
bitset bset;
bitset_bindex bitno;
{ {
/* This routine is for completeness. It could be optimized if /* This routine is for completeness. It could be optimized if
required. */ required. */
@@ -371,14 +336,13 @@ bitset_toggle_ (bset, bitno)
/* Return number of bits set in bitset SRC. */ /* Return number of bits set in bitset SRC. */
bitset_bindex bitset_bindex
bitset_count_ (src) bitset_count_ (bitset src)
bitset src;
{ {
bitset_bindex list[BITSET_LIST_SIZE]; bitset_bindex list[BITSET_LIST_SIZE];
bitset_bindex next; bitset_bindex next;
bitset_bindex num; bitset_bindex num;
bitset_bindex count; bitset_bindex count;
/* This could be greatly sped up by adding a count method for each /* This could be greatly sped up by adding a count method for each
bitset implementation that uses a direct technique (based on bitset implementation that uses a direct technique (based on
masks) for counting the number of bits set in a word. */ masks) for counting the number of bits set in a word. */
@@ -387,18 +351,16 @@ bitset_count_ (src)
for (count = 0; (num = bitset_list (src, list, BITSET_LIST_SIZE, &next)); for (count = 0; (num = bitset_list (src, list, BITSET_LIST_SIZE, &next));
count += num) count += num)
continue; continue;
return count; return count;
} }
/* DST = SRC. Return non-zero if DST != SRC. /* DST = SRC. Return non-zero if DST != SRC.
This is a fallback for the case where SRC and DST are different This is a fallback for the case where SRC and DST are different
bitset types. */ bitset types. */
int int
bitset_copy_ (dst, src) bitset_copy_ (bitset dst, bitset src)
bitset dst;
bitset src;
{ {
bitset_bindex i; bitset_bindex i;
bitset_iterator iter; bitset_iterator iter;
@@ -418,12 +380,8 @@ bitset_copy_ (dst, src)
/* This is a fallback for implementations that do not support /* This is a fallback for implementations that do not support
four operand operations. */ four operand operations. */
static inline int static inline int
bitset_op4_cmp (dst, src1, src2, src3, op) bitset_op4_cmp (bitset dst, bitset src1, bitset src2, bitset src3,
bitset dst; enum bitset_ops op)
bitset src1;
bitset src2;
bitset src3;
enum_bitset_ops op;
{ {
int changed = 0; int changed = 0;
int stats_enabled_save; int stats_enabled_save;
@@ -463,11 +421,7 @@ bitset_op4_cmp (dst, src1, src2, src3, op)
/* DST = (SRC1 & SRC2) | SRC3. */ /* DST = (SRC1 & SRC2) | SRC3. */
void void
bitset_and_or_ (dst, src1, src2, src3) bitset_and_or_ (bitset dst, bitset src1, bitset src2, bitset src3)
bitset dst;
bitset src1;
bitset src2;
bitset src3;
{ {
bitset_and_or_cmp_ (dst, src1, src2, src3); bitset_and_or_cmp_ (dst, src1, src2, src3);
} }
@@ -476,11 +430,7 @@ bitset_and_or_ (dst, src1, src2, src3)
/* DST = (SRC1 & SRC2) | SRC3. Return non-zero if /* DST = (SRC1 & SRC2) | SRC3. Return non-zero if
DST != (SRC1 & SRC2) | SRC3. */ DST != (SRC1 & SRC2) | SRC3. */
int int
bitset_and_or_cmp_ (dst, src1, src2, src3) bitset_and_or_cmp_ (bitset dst, bitset src1, bitset src2, bitset src3)
bitset dst;
bitset src1;
bitset src2;
bitset src3;
{ {
return bitset_op4_cmp (dst, src1, src2, src3, BITSET_OP_AND_OR); return bitset_op4_cmp (dst, src1, src2, src3, BITSET_OP_AND_OR);
} }
@@ -488,11 +438,7 @@ bitset_and_or_cmp_ (dst, src1, src2, src3)
/* DST = (SRC1 & ~SRC2) | SRC3. */ /* DST = (SRC1 & ~SRC2) | SRC3. */
void void
bitset_andn_or_ (dst, src1, src2, src3) bitset_andn_or_ (bitset dst, bitset src1, bitset src2, bitset src3)
bitset dst;
bitset src1;
bitset src2;
bitset src3;
{ {
bitset_andn_or_cmp_ (dst, src1, src2, src3); bitset_andn_or_cmp_ (dst, src1, src2, src3);
} }
@@ -501,11 +447,7 @@ bitset_andn_or_ (dst, src1, src2, src3)
/* DST = (SRC1 & ~SRC2) | SRC3. Return non-zero if /* DST = (SRC1 & ~SRC2) | SRC3. Return non-zero if
DST != (SRC1 & ~SRC2) | SRC3. */ DST != (SRC1 & ~SRC2) | SRC3. */
int int
bitset_andn_or_cmp_ (dst, src1, src2, src3) bitset_andn_or_cmp_ (bitset dst, bitset src1, bitset src2, bitset src3)
bitset dst;
bitset src1;
bitset src2;
bitset src3;
{ {
return bitset_op4_cmp (dst, src1, src2, src3, BITSET_OP_ANDN_OR); return bitset_op4_cmp (dst, src1, src2, src3, BITSET_OP_ANDN_OR);
} }
@@ -513,11 +455,7 @@ bitset_andn_or_cmp_ (dst, src1, src2, src3)
/* DST = (SRC1 | SRC2) & SRC3. */ /* DST = (SRC1 | SRC2) & SRC3. */
void void
bitset_or_and_ (dst, src1, src2, src3) bitset_or_and_ (bitset dst, bitset src1, bitset src2, bitset src3)
bitset dst;
bitset src1;
bitset src2;
bitset src3;
{ {
bitset_or_and_cmp_ (dst, src1, src2, src3); bitset_or_and_cmp_ (dst, src1, src2, src3);
} }
@@ -526,11 +464,7 @@ bitset_or_and_ (dst, src1, src2, src3)
/* DST = (SRC1 | SRC2) & SRC3. Return non-zero if /* DST = (SRC1 | SRC2) & SRC3. Return non-zero if
DST != (SRC1 | SRC2) & SRC3. */ DST != (SRC1 | SRC2) & SRC3. */
int int
bitset_or_and_cmp_ (dst, src1, src2, src3) bitset_or_and_cmp_ (bitset dst, bitset src1, bitset src2, bitset src3)
bitset dst;
bitset src1;
bitset src2;
bitset src3;
{ {
return bitset_op4_cmp (dst, src1, src2, src3, BITSET_OP_OR_AND); return bitset_op4_cmp (dst, src1, src2, src3, BITSET_OP_OR_AND);
} }
@@ -538,8 +472,7 @@ bitset_or_and_cmp_ (dst, src1, src2, src3)
/* Function to be called from debugger to print bitset. */ /* Function to be called from debugger to print bitset. */
void void
debug_bitset (bset) debug_bitset (bitset bset)
bitset bset;
{ {
if (bset) if (bset)
bitset_print (stderr, bset, 1); bitset_print (stderr, bset, 1);