From f4b0c2e93a2f45b548465dba84b257bcb3b41446 Mon Sep 17 00:00:00 2001
From: Benjamin Barenblat <bbaren@mit.edu>
Date: Sat, 20 Feb 2016 15:22:17 -0500
Subject: Implement unlink

---
 src/posix_extras.cc | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/posix_extras.cc')

diff --git a/src/posix_extras.cc b/src/posix_extras.cc
index 4093cc0..6844785 100644
--- a/src/posix_extras.cc
+++ b/src/posix_extras.cc
@@ -102,6 +102,16 @@ File File::OpenAt(const char* const path, const int flags,
   return result;
 }
 
+void File::UnlinkAt(const char* const path) const {
+  if (path[0] == '/') {
+    throw std::invalid_argument("absolute path");
+  }
+
+  if (unlinkat(fd_, path, 0) == -1) {
+    throw SystemError();
+  }
+}
+
 int File::Duplicate() const {
   int result;
   if ((result = dup(fd_)) == -1) {
-- 
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