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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.go25
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
+}