diff options
Diffstat (limited to 'plugins/dumb/dumb-kode54/src/helpers/barray.c')
| -rw-r--r-- | plugins/dumb/dumb-kode54/src/helpers/barray.c | 318 |
1 files changed, 159 insertions, 159 deletions
diff --git a/plugins/dumb/dumb-kode54/src/helpers/barray.c b/plugins/dumb/dumb-kode54/src/helpers/barray.c index 95fe7af1..5877725c 100644 --- a/plugins/dumb/dumb-kode54/src/helpers/barray.c +++ b/plugins/dumb/dumb-kode54/src/helpers/barray.c @@ -1,159 +1,159 @@ -#include "internal/barray.h"
-
-#include <string.h>
-
-
-void * bit_array_create(size_t size)
-{
- size_t bsize = ((size + 7) >> 3) + sizeof(size_t);
- void * ret = calloc(1, bsize);
- if (ret) *(size_t *)ret = size;
- return ret;
-}
-
-void bit_array_destroy(void * array)
-{
- if (array) free(array);
-}
-
-void * bit_array_dup(void * array)
-{
- if (array)
- {
- size_t * size = (size_t *) array;
- size_t bsize = ((*size + 7) >> 3) + sizeof(*size);
- void * ret = malloc(bsize);
- if (ret) memcpy(ret, array, bsize);
- return ret;
- }
- return NULL;
-}
-
-void bit_array_reset(void * array)
-{
- if (array)
- {
- size_t * size = (size_t *) array;
- size_t bsize = (*size + 7) >> 3;
- memset(size + 1, 0, bsize);
- }
-}
-
-
-void bit_array_set(void * array, size_t bit)
-{
- if (array)
- {
- size_t * size = (size_t *) array;
- if (bit < *size)
- {
- unsigned char * ptr = (unsigned char *)(size + 1);
- ptr[bit >> 3] |= (1U << (bit & 7));
- }
- }
-}
-
-int bit_array_test(void * array, size_t bit)
-{
- if (array)
- {
- size_t * size = (size_t *) array;
- if (bit < *size)
- {
- unsigned char * ptr = (unsigned char *)(size + 1);
- if (ptr[bit >> 3] & (1U << (bit & 7)))
- {
- return 1;
- }
- }
- }
- return 0;
-}
-
-int bit_array_test_range(void * array, size_t bit, size_t count)
-{
- if (array)
- {
- size_t * size = (size_t *) array;
- if (bit < *size)
- {
- unsigned char * ptr = (unsigned char *)(size + 1);
- if ((bit & 7) && (count > 8))
- {
- while ((bit < *size) && count && (bit & 7))
- {
- if (ptr[bit >> 3] & (1U << (bit & 7))) return 1;
- bit++;
- count--;
- }
- }
- if (!(bit & 7))
- {
- while (((*size - bit) >= 8) && (count >= 8))
- {
- if (ptr[bit >> 3]) return 1;
- bit += 8;
- count -= 8;
- }
- }
- while ((bit < *size) && count)
- {
- if (ptr[bit >> 3] & (1U << (bit & 7))) return 1;
- bit++;
- count--;
- }
- }
- }
- return 0;
-}
-
-void bit_array_clear(void * array, size_t bit)
-{
- if (array)
- {
- size_t * size = (size_t *) array;
- if (bit < *size)
- {
- unsigned char * ptr = (unsigned char *)(size + 1);
- ptr[bit >> 3] &= ~(1U << (bit & 7));
- }
- }
-}
-
-void bit_array_merge(void * dest, void * source, size_t offset)
-{
- if (dest && source)
- {
- size_t * dsize = (size_t *) dest;
- size_t * ssize = (size_t *) source;
- size_t soffset = 0;
- while (offset < *dsize && soffset < *ssize)
- {
- if (bit_array_test(source, soffset))
- {
- bit_array_set(dest, offset);
- }
- soffset++;
- offset++;
- }
- }
-}
-
-void bit_array_mask(void * dest, void * source, size_t offset)
-{
- if (dest && source)
- {
- size_t * dsize = (size_t *) dest;
- size_t * ssize = (size_t *) source;
- size_t soffset = 0;
- while (offset < *dsize && soffset < *ssize)
- {
- if (bit_array_test(source, soffset))
- {
- bit_array_clear(dest, offset);
- }
- soffset++;
- offset++;
- }
- }
-}
+#include "internal/barray.h" + +#include <string.h> + + +void * bit_array_create(size_t size) +{ + size_t bsize = ((size + 7) >> 3) + sizeof(size_t); + void * ret = calloc(1, bsize); + if (ret) *(size_t *)ret = size; + return ret; +} + +void bit_array_destroy(void * array) +{ + if (array) free(array); +} + +void * bit_array_dup(void * array) +{ + if (array) + { + size_t * size = (size_t *) array; + size_t bsize = ((*size + 7) >> 3) + sizeof(*size); + void * ret = malloc(bsize); + if (ret) memcpy(ret, array, bsize); + return ret; + } + return NULL; +} + +void bit_array_reset(void * array) +{ + if (array) + { + size_t * size = (size_t *) array; + size_t bsize = (*size + 7) >> 3; + memset(size + 1, 0, bsize); + } +} + + +void bit_array_set(void * array, size_t bit) +{ + if (array) + { + size_t * size = (size_t *) array; + if (bit < *size) + { + unsigned char * ptr = (unsigned char *)(size + 1); + ptr[bit >> 3] |= (1U << (bit & 7)); + } + } +} + +int bit_array_test(void * array, size_t bit) +{ + if (array) + { + size_t * size = (size_t *) array; + if (bit < *size) + { + unsigned char * ptr = (unsigned char *)(size + 1); + if (ptr[bit >> 3] & (1U << (bit & 7))) + { + return 1; + } + } + } + return 0; +} + +int bit_array_test_range(void * array, size_t bit, size_t count) +{ + if (array) + { + size_t * size = (size_t *) array; + if (bit < *size) + { + unsigned char * ptr = (unsigned char *)(size + 1); + if ((bit & 7) && (count > 8)) + { + while ((bit < *size) && count && (bit & 7)) + { + if (ptr[bit >> 3] & (1U << (bit & 7))) return 1; + bit++; + count--; + } + } + if (!(bit & 7)) + { + while (((*size - bit) >= 8) && (count >= 8)) + { + if (ptr[bit >> 3]) return 1; + bit += 8; + count -= 8; + } + } + while ((bit < *size) && count) + { + if (ptr[bit >> 3] & (1U << (bit & 7))) return 1; + bit++; + count--; + } + } + } + return 0; +} + +void bit_array_clear(void * array, size_t bit) +{ + if (array) + { + size_t * size = (size_t *) array; + if (bit < *size) + { + unsigned char * ptr = (unsigned char *)(size + 1); + ptr[bit >> 3] &= ~(1U << (bit & 7)); + } + } +} + +void bit_array_merge(void * dest, void * source, size_t offset) +{ + if (dest && source) + { + size_t * dsize = (size_t *) dest; + size_t * ssize = (size_t *) source; + size_t soffset = 0; + while (offset < *dsize && soffset < *ssize) + { + if (bit_array_test(source, soffset)) + { + bit_array_set(dest, offset); + } + soffset++; + offset++; + } + } +} + +void bit_array_mask(void * dest, void * source, size_t offset) +{ + if (dest && source) + { + size_t * dsize = (size_t *) dest; + size_t * ssize = (size_t *) source; + size_t soffset = 0; + while (offset < *dsize && soffset < *ssize) + { + if (bit_array_test(source, soffset)) + { + bit_array_clear(dest, offset); + } + soffset++; + offset++; + } + } +} |