Move RealDiskInterface class to disk_interface.h.

This is a TODO in src/ninja_jumble.cc

Signed-off-by: Thiago Farina <tfarina@chromium.org>

1 files changed, 59 insertions, 0 deletions

diff --git a/src/disk_interface.cc b/src/disk_interface.cc
index 70564d7..6404bd5 100644
--- a/src/disk_interface.cc
+++ b/src/disk_interface.cc
@@ -14,6 +14,13 @@
 
 #include "disk_interface.h"
 
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/stat.h>
+
+#include "util.h"
+
 namespace {
 
 std::string DirName(const std::string& path) {
@@ -33,6 +40,8 @@ std::string DirName(const std::string& path) {
 
 }  // namespace
 
+// DiskInterface ---------------------------------------------------------------
+
 bool DiskInterface::MakeDirs(const std::string& path) {
   std::string dir = DirName(path);
   if (dir.empty())
@@ -49,3 +58,53 @@ bool DiskInterface::MakeDirs(const std::string& path) {
     return false;
   return MakeDir(dir);
 }
+
+// RealDiskInterface -----------------------------------------------------------
+
+int RealDiskInterface::Stat(const std::string& path) {
+  struct stat st;
+  if (stat(path.c_str(), &st) < 0) {
+    if (errno == ENOENT) {
+      return 0;
+    } else {
+      Error("stat(%s): %s", path.c_str(), strerror(errno));
+      return -1;
+    }
+  }
+
+  return st.st_mtime;
+  return true;
+}
+
+bool RealDiskInterface::MakeDir(const std::string& path) {
+  if (::MakeDir(path) < 0) {
+    Error("mkdir(%s): %s", path.c_str(), strerror(errno));
+    return false;
+  }
+  return true;
+}
+
+std::string RealDiskInterface::ReadFile(const std::string& path,
+                                        std::string* err) {
+  std::string contents;
+  int ret = ::ReadFile(path, &contents, err);
+  if (ret == -ENOENT) {
+    // Swallow ENOENT.
+    err->clear();
+  }
+  return contents;
+}
+
+int RealDiskInterface::RemoveFile(const std::string& path) {
+  if (remove(path.c_str()) < 0) {
+    switch (errno) {
+      case ENOENT:
+        return 1;
+      default:
+        Error("remove(%s): %s", path.c_str(), strerror(errno));
+        return -1;
+    }
+  } else {
+    return 0;
+  }
+}