diff options
Diffstat (limited to 'src/OSSupport/File.cpp')
-rw-r--r-- | src/OSSupport/File.cpp | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/src/OSSupport/File.cpp b/src/OSSupport/File.cpp index 03cddc408..09f6147b2 100644 --- a/src/OSSupport/File.cpp +++ b/src/OSSupport/File.cpp @@ -147,7 +147,7 @@ bool cFile::IsEOF(void) const -int cFile::Read (void * iBuffer, size_t iNumBytes) +int cFile::Read (void * a_Buffer, size_t a_NumBytes) { ASSERT(IsOpen()); @@ -156,14 +156,35 @@ int cFile::Read (void * iBuffer, size_t iNumBytes) return -1; } - return static_cast<int>(fread(iBuffer, 1, static_cast<size_t>(iNumBytes), m_File)); // fread() returns the portion of Count parameter actually read, so we need to send iNumBytes as Count + return static_cast<int>(fread(a_Buffer, 1, a_NumBytes, m_File)); // fread() returns the portion of Count parameter actually read, so we need to send a_a_NumBytes as Count } -int cFile::Write(const void * iBuffer, size_t iNumBytes) +AString cFile::Read(size_t a_NumBytes) +{ + ASSERT(IsOpen()); + + if (!IsOpen()) + { + return AString(); + } + + // HACK: This depends on the knowledge that AString::data() returns the internal buffer, rather than a copy of it. + AString res; + res.resize(a_NumBytes); + auto newSize = fread(const_cast<char *>(res.data()), 1, a_NumBytes, m_File); + res.resize(newSize); + return res; +} + + + + + +int cFile::Write(const void * a_Buffer, size_t a_NumBytes) { ASSERT(IsOpen()); @@ -172,7 +193,7 @@ int cFile::Write(const void * iBuffer, size_t iNumBytes) return -1; } - int res = static_cast<int>(fwrite(iBuffer, 1, static_cast<size_t>(iNumBytes), m_File)); // fwrite() returns the portion of Count parameter actually written, so we need to send iNumBytes as Count + int res = static_cast<int>(fwrite(a_Buffer, 1, a_NumBytes, m_File)); // fwrite() returns the portion of Count parameter actually written, so we need to send a_NumBytes as Count return res; } |