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- LISTING 11 - Illustrate Bitstr Objects
- /* tbitstr.c: Test the Bitstr Interface */
-
- #include <stdio.h>
- #include <assert.h>
- #include "bitstr.h"
-
- #define NBITS 24
-
- main()
- {
- int i;
- unsigned n;
- Bitstr *bp = bitstr_create(NBITS);
-
- assert(bp);
-
- /* Set the even bits */
- for (i = 0; i < NBITS; i += 2)
- bitstr_set(bp,i);
- bitstr_put(bp,stdout);
- printf(" (%d)\n",bitstr_count(bp));
-
- /* Toggle the upper half */
- for (i = NBITS/2; i < NBITS; ++i)
- bitstr_toggle(bp,i);
- bitstr_put(bp,stdout);
- printf(" (%d)\n",bitstr_count(bp));
-
- /* Reset the lower half */
- for (i = 0; i < NBITS/2; ++i)
- bitstr_reset(bp,i);
- bitstr_put(bp,stdout);
- printf(" (%d)\n",bitstr_count(bp));
-
- /* Read a bit string */
- fputs("Enter a bit string: ",stderr);
- bitstr_put(bitstr_get(bp,stdin),stdout);
- printf(" (%d)\n",bitstr_count(bp));
-
- printf("any? %d\n",bitstr_any(bp));
- printf("test(0)? %d\n",bitstr_test(bp,0));
-
- bitstr_put(bitstr_toggle_all(bp),stdout);
- printf(" (%d)\n",bitstr_count(bp));
- bitstr_put(bitstr_reset_all(bp),stdout);
- printf(" (%d)\n",bitstr_count(bp));
- bitstr_put(bitstr_set_all(bp),stdout);
- printf(" (%d)\n",bitstr_count(bp));
-
- return 0;
- }
-
- /* Sample Execution:
- 101010101010101010101010 (12)
- 101010101010010101010101 (12)
- 000000000000010101010101 (6)
- Enter a bit string: 101001000100001
- 101001000100001000000000 (5)
- any? 1
- test(0)? 1
- 010110111011110111111111 (19)
- 000000000000000000000000 (0)
- 111111111111111111111111 (24)
- /*
-
-