From 0778d7de80ebbd6b1b7c7d7d5676655b7706f1f4 Mon Sep 17 00:00:00 2001
From: Unknwon <u@gogs.io>
Date: Mon, 29 May 2017 23:43:40 -0400
Subject: vendor: update github.com/msteinert/pam (#4216)

---
 vendor/github.com/msteinert/pam/callback.go | 39 +++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 vendor/github.com/msteinert/pam/callback.go

(limited to 'vendor/github.com/msteinert/pam/callback.go')

diff --git a/vendor/github.com/msteinert/pam/callback.go b/vendor/github.com/msteinert/pam/callback.go
new file mode 100644
index 00000000..672a36e8
--- /dev/null
+++ b/vendor/github.com/msteinert/pam/callback.go
@@ -0,0 +1,39 @@
+package pam
+
+import "sync"
+
+var cb struct {
+	sync.Mutex
+	m map[int]interface{}
+	c int
+}
+
+func init() {
+	cb.m = make(map[int]interface{})
+}
+
+func cbAdd(v interface{}) int {
+	cb.Lock()
+	defer cb.Unlock()
+	cb.c++
+	cb.m[cb.c] = v
+	return cb.c
+}
+
+func cbGet(c int) interface{} {
+	cb.Lock()
+	defer cb.Unlock()
+	if v, ok := cb.m[c]; ok {
+		return v
+	}
+	panic("Callback pointer not found")
+}
+
+func cbDelete(c int) {
+	cb.Lock()
+	defer cb.Unlock()
+	if _, ok := cb.m[c]; !ok {
+		panic("Callback pointer not found")
+	}
+	delete(cb.m, c)
+}
-- 
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