Protect against too much recursion

2 files changed, 9 insertions, 3 deletions

diff --git a/lib/git.js b/lib/git.js
index 1360a6f..d4a071e 100644
--- a/lib/git.js
+++ b/lib/git.js
@@ -7,6 +7,7 @@ var packidx = require('pull-git-packidx-parser')
 var Reader = require('pull-reader')
 var toPull = require('stream-to-pull-stream')
 var zlib = require('zlib')
+var looper = require('looper')
 
 var ObjectNotFoundError = u.customError('ObjectNotFoundError')
 
@@ -501,12 +502,16 @@ Git.prototype.getTag = function (obj, cb) {
 
 function readCString(reader, cb) {
   var chars = []
-  reader.read(1, function next(err, ch) {
+  var loop = looper(function () {
+    reader.read(1, next)
+  })
+  function next(err, ch) {
     if (err) return cb(err)
     if (ch[0] === 0) return cb(null, Buffer.concat(chars).toString('utf8'))
     chars.push(ch)
-    reader.read(1, next)
-  })
+    loop()
+  }
+  loop()
 }
 
 Git.prototype.readTree = function (obj) {
diff --git a/package.json b/package.json
index 465e93f..42311a4 100644
--- a/package.json
+++ b/package.json
@@ -10,6 +10,7 @@
     "human-time": "^0.0.1",
     "hyperscript": "^2.0.2",
     "hashlru": "^2.1.0",
+    "looper": "^4.0.0",
     "mime-types": "^2.1.12",
     "multicb": "^1.2.1",
     "pull-cat": "^1.1.11",