From 0b221921ed4c32c828ff8139fbd9d1f704c5364c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lukas=20D=C3=BCrrenberger?= <eXpl0it3r@sfml-dev.org>
Date: Sat, 28 Mar 2015 23:56:20 +0100
Subject: [PATCH] Switched to the stdio FILE* API for handling streams to
 provide the expected behavior to Vorbis.

---
 include/SFML/System/FileInputStream.hpp |  5 ++-
 src/SFML/System/FileInputStream.cpp     | 54 +++++++++++++++++--------
 2 files changed, 41 insertions(+), 18 deletions(-)

diff --git a/include/SFML/System/FileInputStream.hpp b/include/SFML/System/FileInputStream.hpp
index a3b35920..fd7a9d1f 100644
--- a/include/SFML/System/FileInputStream.hpp
+++ b/include/SFML/System/FileInputStream.hpp
@@ -31,7 +31,8 @@
 #include <SFML/Config.hpp>
 #include <SFML/System/InputStream.hpp>
 #include <SFML/System/Export.hpp>
-#include <fstream>
+#include <cstdio>
+#include <string>
 
 #ifdef ANDROID
 namespace sf
@@ -123,7 +124,7 @@ private:
 #ifdef ANDROID
     sf::priv::ResourceStream *m_file;
 #else
-    std::ifstream m_file; ///< Standard file stream
+    std::FILE* m_file; ///< stdio file stream
 #endif
 };
 
diff --git a/src/SFML/System/FileInputStream.cpp b/src/SFML/System/FileInputStream.cpp
index ac84e347..dee021f2 100644
--- a/src/SFML/System/FileInputStream.cpp
+++ b/src/SFML/System/FileInputStream.cpp
@@ -35,9 +35,7 @@ namespace sf
 {
 ////////////////////////////////////////////////////////////
 FileInputStream::FileInputStream()
-#ifdef ANDROID
 : m_file(NULL)
-#endif
 {
 
 }
@@ -49,6 +47,9 @@ FileInputStream::~FileInputStream()
 #ifdef ANDROID
     if (m_file)
         delete m_file;
+#else
+    if (m_file)
+        std::fclose(m_file);
 #endif
 }
 
@@ -61,8 +62,12 @@ bool FileInputStream::open(const std::string& filename)
         delete m_file;
     m_file = new sf::priv::ResourceStream(filename);
 #else
-    m_file.open(filename.c_str(), std::ios::binary);
-    return m_file.good();
+    if (m_file)
+        std::fclose(m_file);
+
+    m_file = std::fopen(filename.c_str(), "rb");
+
+    return m_file != NULL;
 #endif
 }
 
@@ -73,8 +78,10 @@ Int64 FileInputStream::read(void* data, Int64 size)
 #ifdef ANDROID
     return m_file->read(data, size);
 #else
-    m_file.read(static_cast<char*>(data), size);
-    return m_file.gcount();
+    if (m_file)
+        return std::fread(data, 1, static_cast<std::size_t>(size), m_file);
+    else
+        return -1;
 #endif
 }
 
@@ -85,10 +92,15 @@ Int64 FileInputStream::seek(Int64 position)
 #ifdef ANDROID
     return m_file->seek(position);
 #else
-    if (m_file.eof() || m_file.fail())
-        m_file.clear();
-    m_file.seekg(position);
-    return tell();
+    if (m_file)
+    {
+        std::fseek(m_file, static_cast<std::size_t>(position), SEEK_SET);
+        return tell();
+    }
+    else
+    {
+        return -1;
+    }
 #endif
 }
 
@@ -99,7 +111,10 @@ Int64 FileInputStream::tell()
 #ifdef ANDROID
     return m_file->tell();
 #else
-    return m_file.tellg();
+    if (m_file)
+        return std::ftell(m_file);
+    else
+        return -1;
 #endif
 }
 
@@ -110,11 +125,18 @@ Int64 FileInputStream::getSize()
 #ifdef ANDROID
     return m_file->getSize();
 #else
-    std::ifstream::pos_type pos = m_file.tellg();
-    m_file.seekg(0, std::ios::end);
-    std::ifstream::pos_type size = m_file.tellg();
-    m_file.seekg(pos);
-    return size;
+    if (m_file)
+    {
+        sf::Int64 position = tell();
+        std::fseek(m_file, 0, SEEK_END);
+        sf::Int64 size = tell();
+        seek(position);
+        return size;
+    }
+    else
+    {
+        return -1;
+    }
 #endif
 }