diff options
author | weidai <weidai@57ff6487-cd31-0410-9ec3-f628ee90f5f0> | 2009-07-11 22:50:18 +0000 |
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committer | weidai <weidai@57ff6487-cd31-0410-9ec3-f628ee90f5f0> | 2009-07-11 22:50:18 +0000 |
commit | 14e7017ab6366f088aa3b2dba794847bb22a16d4 (patch) | |
tree | 3be29c508762394ff9a52d6077c5edc3c72f16d0 | |
parent | 4b53fa6f2956ccf4b0cdb98adeceeaf66b67612b (diff) | |
download | cryptopp-14e7017ab6366f088aa3b2dba794847bb22a16d4.tar.gz |
improve Unicode filename handling
git-svn-id: svn://svn.code.sf.net/p/cryptopp/code/trunk/c5@473 57ff6487-cd31-0410-9ec3-f628ee90f5f0
-rw-r--r-- | files.cpp | 104 | ||||
-rw-r--r-- | misc.h | 9 |
2 files changed, 56 insertions, 57 deletions
@@ -27,43 +27,39 @@ void FileStore::StoreInitialize(const NameValuePairs ¶meters) m_stream = NULL; m_file.release(); - const char *fileName; - const wchar_t *fileNameWide; -#ifdef CRYPTOPP_UNIX_AVAILABLE - std::string narrowed; + const char *fileName = NULL; +#if defined(CRYPTOPP_UNIX_AVAILABLE) || _MSC_VER >= 1400 + const wchar_t *fileNameWide = NULL; + if (!parameters.GetValue(Name::InputFileNameWide(), fileNameWide)) #endif + if (!parameters.GetValue(Name::InputFileName(), fileName)) + { + parameters.GetValue(Name::InputStreamPointer(), m_stream); + return; + } - if (parameters.GetValue(Name::InputFileName(), fileName)) - { + ios::openmode binary = parameters.GetValueWithDefault(Name::InputBinaryMode(), true) ? ios::binary : ios::openmode(0); + m_file.reset(new std::ifstream); #ifdef CRYPTOPP_UNIX_AVAILABLE -narrowName: + std::string narrowed; + if (fileNameWide) + fileName = (narrowed = StringNarrow(fileNameWide)).c_str(); #endif - ios::openmode binary = parameters.GetValueWithDefault(Name::InputBinaryMode(), true) ? ios::binary : ios::openmode(0); - m_file.reset(new std::ifstream); - m_file->open(fileName, ios::in | binary); - if (!*m_file) - throw OpenErr(fileName); - m_stream = m_file.get(); - } -#if defined(CRYPTOPP_UNIX_AVAILABLE) || _MSC_VER >= 1400 - else if (parameters.GetValue(Name::InputFileNameWide(), fileNameWide)) +#if _MSC_VER >= 1400 + if (fileNameWide) { - #if _MSC_VER >= 1400 - ios::openmode binary = parameters.GetValueWithDefault(Name::InputBinaryMode(), true) ? ios::binary : ios::openmode(0); - m_file.reset(new std::ifstream); m_file->open(fileNameWide, ios::in | binary); if (!*m_file) - throw OpenErr(StringNarrow(fileNameWide)); - m_stream = m_file.get(); - #else - narrowed = StringNarrow(fileNameWide); - fileName = narrowed.c_str(); - goto narrowName; - #endif + throw OpenErr(StringNarrow(fileNameWide, false)); } #endif - else - parameters.GetValue(Name::InputStreamPointer(), m_stream); + if (fileName) + { + m_file->open(fileName, ios::in | binary); + if (!*m_file) + throw OpenErr(fileName); + } + m_stream = m_file.get(); } lword FileStore::MaxRetrievable() const @@ -187,43 +183,39 @@ void FileSink::IsolatedInitialize(const NameValuePairs ¶meters) m_stream = NULL; m_file.release(); - const char *fileName; - const wchar_t *fileNameWide; -#ifdef CRYPTOPP_UNIX_AVAILABLE - std::string narrowed; + const char *fileName = NULL; +#if defined(CRYPTOPP_UNIX_AVAILABLE) || _MSC_VER >= 1400 + const wchar_t *fileNameWide = NULL; + if (!parameters.GetValue(Name::OutputFileNameWide(), fileNameWide)) #endif + if (!parameters.GetValue(Name::OutputFileName(), fileName)) + { + parameters.GetValue(Name::OutputStreamPointer(), m_stream); + return; + } - if (parameters.GetValue(Name::OutputFileName(), fileName)) - { + ios::openmode binary = parameters.GetValueWithDefault(Name::OutputBinaryMode(), true) ? ios::binary : ios::openmode(0); + m_file.reset(new std::ofstream); #ifdef CRYPTOPP_UNIX_AVAILABLE -narrowName: + std::string narrowed; + if (fileNameWide) + fileName = (narrowed = StringNarrow(fileNameWide)).c_str(); #endif - ios::openmode binary = parameters.GetValueWithDefault(Name::OutputBinaryMode(), true) ? ios::binary : ios::openmode(0); - m_file.reset(new std::ofstream); - m_file->open(fileName, ios::out | ios::trunc | binary); - if (!*m_file) - throw OpenErr(fileName); - m_stream = m_file.get(); - } -#if defined(CRYPTOPP_UNIX_AVAILABLE) || _MSC_VER >= 1400 - else if (parameters.GetValue(Name::OutputFileNameWide(), fileNameWide)) +#if _MSC_VER >= 1400 + if (fileNameWide) { - #if _MSC_VER >= 1400 - ios::openmode binary = parameters.GetValueWithDefault(Name::OutputBinaryMode(), true) ? ios::binary : ios::openmode(0); - m_file.reset(new std::ofstream); m_file->open(fileNameWide, ios::out | ios::trunc | binary); if (!*m_file) - throw OpenErr(StringNarrow(fileNameWide)); - m_stream = m_file.get(); - #else - narrowed = StringNarrow(fileNameWide); - fileName = narrowed.c_str(); - goto narrowName; - #endif + throw OpenErr(StringNarrow(fileNameWide, false)); } #endif - else - parameters.GetValue(Name::OutputStreamPointer(), m_stream); + if (fileName) + { + m_file->open(fileName, ios::out | ios::trunc | binary); + if (!*m_file) + throw OpenErr(fileName); + } + m_stream = m_file.get(); } bool FileSink::IsolatedFlush(bool hardFlush, bool blocking) @@ -548,13 +548,20 @@ inline void SecureWipeArray(T *buf, size_t n) } // this function uses wcstombs(), which assumes that setlocale() has been called -static std::string StringNarrow(const wchar_t *str) +static std::string StringNarrow(const wchar_t *str, bool throwOnError = true) { #ifdef _MSC_VER #pragma warning(push) #pragma warning(disable: 4996) // 'wcstombs': This function or variable may be unsafe. #endif size_t size = wcstombs(NULL, str, 0); + if (size == -1) + { + if (throwOnError) + throw InvalidArgument("StringNarrow: wcstombs() call failed"); + else + return std::string(); + } std::string result(size, 0); wcstombs(&result[0], str, size); return result; |