BitVecRFindPattern
- Function
- October 8, 2025
Table of Contents
BitVecRFindPattern
BitVecRFindPatternDescription
Search for a pattern starting from a specific position (reverse search).
Parameters
| Name | Direction | Description |
|---|---|---|
bv | in | Bitvector to search in |
pattern | in | Pattern to search for |
start | in | Position to start reverse search from |
Usage example (from documentation)
u64 index = BitVecRFindPattern(&flags, &pattern, 20);
Usage example (Cross-references)
- In
BitVec.c:1457:
}
u64 BitVecRFindPattern(BitVec *bv, BitVec *pattern, u64 start) {
ValidateBitVec(bv);
ValidateBitVec(pattern);
// BitVecRFindPattern tests
bool test_bitvec_rfind_pattern_basic(void) {
WriteFmt("Testing BitVecRFindPattern basic functionality\n");
BitVec source = BitVecInit();
// Search from index 8 backwards
u64 pos = BitVecRFindPattern(&source, &pattern, 8);
result = result && (pos == 6); // Should find at position 6
// Search from index 5 backwards
pos = BitVecRFindPattern(&source, &pattern, 5);
result = result && (pos == 3); // Should find at position 3
// BitVecRFindPattern tests
bool test_bitvec_rfind_pattern_basic(void) {
WriteFmt("Testing BitVecRFindPattern basic functionality\n");
BitVec source = BitVecInit();
// Search from index 8 backwards
u64 pos = BitVecRFindPattern(&source, &pattern, 8);
result = result && (pos == 6); // Should find at position 6
// Search from index 5 backwards
pos = BitVecRFindPattern(&source, &pattern, 5);
result = result && (pos == 3); // Should find at position 3