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authorHaoTNN <haotnn@gmail.com>2015-06-03 01:08:57 +0200
committerHaoTNN <haotnn@gmail.com>2015-06-03 01:08:57 +0200
commit3142598dee31acc23c738a1a728638665c8940b8 (patch)
tree2eb837ed785678d536d677ff5020fabca089f2e5 /src/OSSupport
parentMerge remote-tracking branch 'upstream/master' (diff)
parentMerge pull request #2182 from birkett/master (diff)
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Diffstat (limited to 'src/OSSupport')
-rw-r--r--src/OSSupport/CMakeLists.txt4
-rw-r--r--src/OSSupport/Errors.cpp2
-rw-r--r--src/OSSupport/File.cpp30
-rw-r--r--src/OSSupport/File.h8
-rw-r--r--src/OSSupport/GZipFile.h2
-rw-r--r--src/OSSupport/StackTrace.cpp9
6 files changed, 39 insertions, 16 deletions
diff --git a/src/OSSupport/CMakeLists.txt b/src/OSSupport/CMakeLists.txt
index 0d3c9a63e..d1db0373d 100644
--- a/src/OSSupport/CMakeLists.txt
+++ b/src/OSSupport/CMakeLists.txt
@@ -41,6 +41,10 @@ SET (HDRS
UDPEndpointImpl.h
)
+if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+ add_flags_cxx("-Wno-error=global-constructors -Wno-error=old-style-cast")
+endif()
+
if(NOT MSVC)
add_library(OSSupport ${SRCS} ${HDRS})
diff --git a/src/OSSupport/Errors.cpp b/src/OSSupport/Errors.cpp
index a5361e1a6..407799495 100644
--- a/src/OSSupport/Errors.cpp
+++ b/src/OSSupport/Errors.cpp
@@ -22,7 +22,7 @@ AString GetOSErrorString( int a_ErrNo)
// According to http://linux.die.net/man/3/strerror_r there are two versions of strerror_r():
- #if !defined(__APPLE__) && ( _GNU_SOURCE) && !defined(ANDROID_NDK) // GNU version of strerror_r()
+ #if !defined(__APPLE__) && defined( _GNU_SOURCE) && !defined(ANDROID_NDK) // GNU version of strerror_r()
char * res = strerror_r( errno, buffer, ARRAYCOUNT(buffer));
if (res != nullptr)
diff --git a/src/OSSupport/File.cpp b/src/OSSupport/File.cpp
index 43105b230..6327b3505 100644
--- a/src/OSSupport/File.cpp
+++ b/src/OSSupport/File.cpp
@@ -180,7 +180,7 @@ int cFile::Write(const void * iBuffer, size_t iNumBytes)
-int cFile::Seek (int iPosition)
+long cFile::Seek (int iPosition)
{
ASSERT(IsOpen());
@@ -193,7 +193,7 @@ int cFile::Seek (int iPosition)
{
return -1;
}
- return (int)ftell(m_File);
+ return ftell(m_File);
}
@@ -201,7 +201,7 @@ int cFile::Seek (int iPosition)
-int cFile::Tell (void) const
+long cFile::Tell (void) const
{
ASSERT(IsOpen());
@@ -210,14 +210,14 @@ int cFile::Tell (void) const
return -1;
}
- return (int)ftell(m_File);
+ return ftell(m_File);
}
-int cFile::GetSize(void) const
+long cFile::GetSize(void) const
{
ASSERT(IsOpen());
@@ -226,7 +226,7 @@ int cFile::GetSize(void) const
return -1;
}
- int CurPos = Tell();
+ long CurPos = Tell();
if (CurPos < 0)
{
return -1;
@@ -235,7 +235,7 @@ int cFile::GetSize(void) const
{
return -1;
}
- int res = Tell();
+ long res = Tell();
if (fseek(m_File, (long)CurPos, SEEK_SET) != 0)
{
return -1;
@@ -256,7 +256,19 @@ int cFile::ReadRestOfFile(AString & a_Contents)
return -1;
}
- size_t DataSize = GetSize() - Tell();
+ long TotalSize = GetSize();
+ if (TotalSize < 0)
+ {
+ return -1;
+ }
+
+ long Position = Tell();
+ if (Position < 0)
+ {
+ return -1;
+ }
+
+ auto DataSize = static_cast<size_t>(TotalSize - Position);
// HACK: This depends on the internal knowledge that AString's data() function returns the internal buffer directly
a_Contents.assign(DataSize, '\0');
@@ -349,7 +361,7 @@ bool cFile::IsFile(const AString & a_Path)
-int cFile::GetSize(const AString & a_FileName)
+long cFile::GetSize(const AString & a_FileName)
{
struct stat st;
if (stat(a_FileName.c_str(), &st) == 0)
diff --git a/src/OSSupport/File.h b/src/OSSupport/File.h
index 1b5e71a17..6281d1494 100644
--- a/src/OSSupport/File.h
+++ b/src/OSSupport/File.h
@@ -87,13 +87,13 @@ public:
int Write(const void * iBuffer, size_t iNumBytes);
/** Seeks to iPosition bytes from file start, returns old position or -1 for failure; asserts if not open */
- int Seek (int iPosition);
+ long Seek (int iPosition);
/** Returns the current position (bytes from file start) or -1 for failure; asserts if not open */
- int Tell (void) const;
+ long Tell (void) const;
/** Returns the size of file, in bytes, or -1 for failure; asserts if not open */
- int GetSize(void) const;
+ long GetSize(void) const;
/** Reads the file from current position till EOF into an AString; returns the number of bytes read or -1 for error */
int ReadRestOfFile(AString & a_Contents);
@@ -119,7 +119,7 @@ public:
static bool IsFile(const AString & a_Path);
/** Returns the size of the file, or a negative number on error */
- static int GetSize(const AString & a_FileName);
+ static long GetSize(const AString & a_FileName);
/** Creates a new folder with the specified name. Returns true if successful. Path may be relative or absolute */
static bool CreateFolder(const AString & a_FolderPath);
diff --git a/src/OSSupport/GZipFile.h b/src/OSSupport/GZipFile.h
index dfb4e8c31..286c98aff 100644
--- a/src/OSSupport/GZipFile.h
+++ b/src/OSSupport/GZipFile.h
@@ -37,7 +37,7 @@ public:
int ReadRestOfFile(AString & a_Contents);
/// Writes a_Contents into file, compressing it along the way. Returns true if successful. Multiple writes are supported.
- bool Write(const AString & a_Contents) { return Write(a_Contents.data(), (int)(a_Contents.size())); }
+ bool Write(const AString & a_Contents) { return Write(a_Contents.data(), static_cast<int>(a_Contents.size())); }
bool Write(const char * a_Data, int a_Size);
diff --git a/src/OSSupport/StackTrace.cpp b/src/OSSupport/StackTrace.cpp
index 015a53ba0..1ec10f20e 100644
--- a/src/OSSupport/StackTrace.cpp
+++ b/src/OSSupport/StackTrace.cpp
@@ -12,6 +12,13 @@
#include <unistd.h>
#endif
+// FreeBSD uses size_t for the return type of backtrace()
+#if defined(__FreeBSD__) && (__FreeBSD__ >= 10)
+ #define btsize size_t
+#else
+ #define btsize int
+#endif
+
@@ -34,7 +41,7 @@ void PrintStackTrace(void)
// Use the backtrace() function to get and output the stackTrace:
// Code adapted from http://stackoverflow.com/questions/77005/how-to-generate-a-stacktrace-when-my-gcc-c-app-crashes
void * stackTrace[30];
- int numItems = backtrace(stackTrace, ARRAYCOUNT(stackTrace));
+ btsize numItems = backtrace(stackTrace, ARRAYCOUNT(stackTrace));
backtrace_symbols_fd(stackTrace, numItems, STDERR_FILENO);
#endif
}