1 files changed, 49 insertions, 0 deletions
diff --git a/vendor/github.com/go-faker/faker/v4/random_source.go b/vendor/github.com/go-faker/faker/v4/random_source.go
new file mode 100644
index 0000000..96b7a15
--- /dev/null
+++ b/vendor/github.com/go-faker/faker/v4/random_source.go
@@ -0,0 +1,49 @@
+package faker
+
+import (
+	"io"
+	mathrand "math/rand"
+	"sync"
+)
+
+var (
+	rand   *mathrand.Rand
+	crypto io.Reader
+)
+
+type safeSource struct {
+	mx sync.Mutex
+	mathrand.Source
+}
+
+func (s *safeSource) Int63() int64 {
+	s.mx.Lock()
+	defer s.mx.Unlock()
+
+	return s.Source.Int63()
+}
+
+// NewSafeSource wraps an unsafe rand.Source with a mutex to guard the random source
+// against concurrent access.
+func NewSafeSource(in mathrand.Source) mathrand.Source {
+	return &safeSource{
+		Source: in,
+	}
+}
+
+// SetRandomSource sets a new random source at the package level.
+//
+// To use a concurrent-safe source, you may wrap it with NewSafeSource,
+// e.g. SetRandomSource(NewSafeSource(mysource)).
+//
+// The default is the global, concurrent-safe source provided by math/rand.
+func SetRandomSource(in mathrand.Source) {
+	rand = mathrand.New(in)
+}
+
+// SetCryptoSource sets a new reader for functions using a cryptographically-safe random generator (e.g. UUID).
+//
+// The default is the global source provided by crypto/rand.
+func SetCryptoSource(in io.Reader) {
+	crypto = in
+}