From c2f7ae98d3c321a615cda6946443f5098d9d08bd Mon Sep 17 00:00:00 2001
From: Dan Sagunov <danilka.pro@gmail.com>
Date: Sat, 2 Nov 2013 00:01:15 +0400
Subject: Adding renameFile function for NaCl

---
 src/net/download.cpp | 11 ++++++++++-
 src/utils/files.cpp  | 29 +++++++++++++++++++++++++++++
 src/utils/files.h    |  2 ++
 3 files changed, 41 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/net/download.cpp b/src/net/download.cpp
index 3ccff63c8..38b8d2873 100644
--- a/src/net/download.cpp
+++ b/src/net/download.cpp
@@ -39,6 +39,10 @@
     ((LIBCURL_VERSION_MAJOR == (a)) && (LIBCURL_VERSION_MINOR == (b)) && \
     (LIBCURL_VERSION_PATCH >= (c))))
 
+#if defined __native_client__
+#include "utils/files.h"
+#endif
+
 #include "debug.h"
 
 const char *DOWNLOAD_ERROR_MESSAGE_THREAD
@@ -360,7 +364,12 @@ int Download::downloadThread(void *ptr)
                 if (!d->mOptions.cancel)
                 {
                     ::remove(d->mFileName.c_str());
-                    ::rename(outFilename.c_str(), d->mFileName.c_str());
+#if defined __native_client__
+                    Files::renameFile(
+#else
+                    ::rename(
+#endif
+                    outFilename.c_str(), d->mFileName.c_str());
 
                     // Check if we can open it and no errors were encountered
                     // during renaming
diff --git a/src/utils/files.cpp b/src/utils/files.cpp
index c06b3d892..fa69cd6af 100644
--- a/src/utils/files.cpp
+++ b/src/utils/files.cpp
@@ -100,4 +100,33 @@ void Files::extractZip(const std::string &zipName, const std::string &inDir,
     remove(zipName.c_str());
 }
 
+int Files::renameFile(const std::string &pFrom, const std::string &pTo)
+{
+    FILE *file = fopen(pFrom.c_str(), "rb");
+    if (file == NULL)
+        return -1;
+
+    fseek(file, 0, SEEK_END);
+    size_t sz = ftell(file);
+    fseek(file, 0, SEEK_SET);
+
+    char *buf = (char *)malloc(sz + 1);
+    if (fread(buf, 1, sz, file) != sz)
+        return -1;
+    fclose(file);
+    buf[sz] = 0;
+
+    file = fopen(pTo.c_str(), "w+b");
+    if (file == NULL)
+        return -1;
+
+    if (fwrite(buf, 1, sz, file) != sz)
+        return -1;
+    fclose(file);
+
+    free(buf);
+
+    return 0;
+}
+
 #endif  // ANDROID __native_client__
diff --git a/src/utils/files.h b/src/utils/files.h
index 519b7f520..4a44631cf 100644
--- a/src/utils/files.h
+++ b/src/utils/files.h
@@ -35,6 +35,8 @@ namespace Files
 
     void extractZip(const std::string &zipName, const std::string &inDir,
                     const std::string &outDir);
+
+    int renameFile(const std::string &pFrom, const std::string &pTo);
 }  // namespace Files
 
 #endif  // ANDROID __native_client__
-- 
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