From 7e4d75eb8b74c62e44c7b1be93dd338695814c92 Mon Sep 17 00:00:00 2001
From: baude <bbaude@redhat.com>
Date: Thu, 20 Jun 2019 15:05:29 -0500
Subject: vendor containers/storage v1.12.11

vendor cs with overlay caching

cs also carries a dep on github.com/DataDog/zstd

Signed-off-by: baude <bbaude@redhat.com>
---
 vendor/github.com/DataDog/zstd/errors.go | 35 ++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 vendor/github.com/DataDog/zstd/errors.go

(limited to 'vendor/github.com/DataDog/zstd/errors.go')

diff --git a/vendor/github.com/DataDog/zstd/errors.go b/vendor/github.com/DataDog/zstd/errors.go
new file mode 100644
index 000000000..38db0d51c
--- /dev/null
+++ b/vendor/github.com/DataDog/zstd/errors.go
@@ -0,0 +1,35 @@
+package zstd
+
+/*
+#define ZSTD_STATIC_LINKING_ONLY
+#include "zstd.h"
+*/
+import "C"
+
+// ErrorCode is an error returned by the zstd library.
+type ErrorCode int
+
+// Error returns the error string given by zstd
+func (e ErrorCode) Error() string {
+	return C.GoString(C.ZSTD_getErrorName(C.size_t(e)))
+}
+
+func cIsError(code int) bool {
+	return int(C.ZSTD_isError(C.size_t(code))) != 0
+}
+
+// getError returns an error for the return code, or nil if it's not an error
+func getError(code int) error {
+	if code < 0 && cIsError(code) {
+		return ErrorCode(code)
+	}
+	return nil
+}
+
+// IsDstSizeTooSmallError returns whether the error correspond to zstd standard sDstSizeTooSmall error
+func IsDstSizeTooSmallError(e error) bool {
+	if e != nil && e.Error() == "Destination buffer is too small" {
+		return true
+	}
+	return false
+}
-- 
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