diff options
Diffstat (limited to 'vendor/github.com/ncruces/go-sqlite3/internal/util/alloc_slice.go')
-rw-r--r-- | vendor/github.com/ncruces/go-sqlite3/internal/util/alloc_slice.go | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/vendor/github.com/ncruces/go-sqlite3/internal/util/alloc_slice.go b/vendor/github.com/ncruces/go-sqlite3/internal/util/alloc_slice.go new file mode 100644 index 000000000..b8cc1453c --- /dev/null +++ b/vendor/github.com/ncruces/go-sqlite3/internal/util/alloc_slice.go @@ -0,0 +1,25 @@ +//go:build !(darwin || linux) || !(amd64 || arm64 || riscv64) || sqlite3_noshm || sqlite3_nosys + +package util + +import "github.com/tetratelabs/wazero/experimental" + +func sliceAlloc(cap, max uint64) experimental.LinearMemory { + return &sliceBuffer{make([]byte, cap), max} +} + +type sliceBuffer struct { + buf []byte + max uint64 +} + +func (b *sliceBuffer) Free() {} + +func (b *sliceBuffer) Reallocate(size uint64) []byte { + if cap := uint64(cap(b.buf)); size > cap { + b.buf = append(b.buf[:cap], make([]byte, size-cap)...) + } else { + b.buf = b.buf[:size] + } + return b.buf +} |