Add global namespace qualifiers to global function calls in os-inl.h

include/spdlog/details/os-inl.h

@@ -94,17 +94,17 @@ SPDLOG_INLINE std::tm localtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT
 
 #ifdef _WIN32
     std::tm tm;
-    localtime_s(&tm, &time_tt);
+    ::localtime_s(&tm, &time_tt);
 #else
     std::tm tm;
-    localtime_r(&time_tt, &tm);
+    ::localtime_r(&time_tt, &tm);
 #endif
     return tm;
 }
 
 SPDLOG_INLINE std::tm localtime() SPDLOG_NOEXCEPT
 {
-    std::time_t now_t = time(nullptr);
+    std::time_t now_t = ::time(nullptr);
     return localtime(now_t);
 }
 
@@ -123,7 +123,7 @@ SPDLOG_INLINE std::tm gmtime(const std::time_t &time_tt) SPDLOG_NOEXCEPT
 
 SPDLOG_INLINE std::tm gmtime() SPDLOG_NOEXCEPT
 {
-    std::time_t now_t = time(nullptr);
+    std::time_t now_t = ::time(nullptr);
     return gmtime(now_t);
 }
 
@@ -132,13 +132,13 @@ SPDLOG_INLINE void prevent_child_fd(FILE *f)
 
 #ifdef _WIN32
 #if !defined(__cplusplus_winrt)
-    auto file_handle = reinterpret_cast<HANDLE>(_get_osfhandle(_fileno(f)));
+    auto file_handle = reinterpret_cast<HANDLE>(_get_osfhandle(::_fileno(f)));
     if (!::SetHandleInformation(file_handle, HANDLE_FLAG_INHERIT, 0))
         SPDLOG_THROW(spdlog_ex("SetHandleInformation failed", errno));
 #endif
 #else
-    auto fd = fileno(f);
+    auto fd = ::fileno(f);
-    if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
+    if (::fcntl(fd, F_SETFD, FD_CLOEXEC) == -1)
     {
         SPDLOG_THROW(spdlog_ex("fcntl with FD_CLOEXEC failed", errno));
     }
@@ -150,12 +150,12 @@ SPDLOG_INLINE bool fopen_s(FILE **fp, const filename_t &filename, const filename
 {
 #ifdef _WIN32
 #ifdef SPDLOG_WCHAR_FILENAMES
-    *fp = _wfsopen((filename.c_str()), mode.c_str(), _SH_DENYNO);
+    *fp = ::_wfsopen((filename.c_str()), mode.c_str(), _SH_DENYNO);
 #else
-    *fp = _fsopen((filename.c_str()), mode.c_str(), _SH_DENYNO);
+    *fp = ::_fsopen((filename.c_str()), mode.c_str(), _SH_DENYNO);
 #endif
 #else // unix
-    *fp = fopen((filename.c_str()), mode.c_str());
+    *fp = ::fopen((filename.c_str()), mode.c_str());
 #endif
 
 #ifdef SPDLOG_PREVENT_CHILD_FD
@@ -170,7 +170,7 @@ SPDLOG_INLINE bool fopen_s(FILE **fp, const filename_t &filename, const filename
 SPDLOG_INLINE int remove(const filename_t &filename) SPDLOG_NOEXCEPT
 {
 #if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
-    return _wremove(filename.c_str());
+    return ::_wremove(filename.c_str());
 #else
     return std::remove(filename.c_str());
 #endif
@@ -184,7 +184,7 @@ SPDLOG_INLINE int remove_if_exists(const filename_t &filename) SPDLOG_NOEXCEPT
 SPDLOG_INLINE int rename(const filename_t &filename1, const filename_t &filename2) SPDLOG_NOEXCEPT
 {
 #if defined(_WIN32) && defined(SPDLOG_WCHAR_FILENAMES)
-    return _wrename(filename1.c_str(), filename2.c_str());
+    return ::_wrename(filename1.c_str(), filename2.c_str());
 #else
     return std::rename(filename1.c_str(), filename2.c_str());
 #endif
@@ -195,9 +195,9 @@ SPDLOG_INLINE bool file_exists(const filename_t &filename) SPDLOG_NOEXCEPT
 {
 #ifdef _WIN32
 #ifdef SPDLOG_WCHAR_FILENAMES
-    auto attribs = GetFileAttributesW(filename.c_str());
+    auto attribs = ::GetFileAttributesW(filename.c_str());
 #else
-    auto attribs = GetFileAttributesA(filename.c_str());
+    auto attribs = ::GetFileAttributesA(filename.c_str());
 #endif
     return attribs != INVALID_FILE_ATTRIBUTES;
 #else // common linux/unix all have the stat system call
@@ -214,16 +214,16 @@ SPDLOG_INLINE size_t filesize(FILE *f)
         SPDLOG_THROW(spdlog_ex("Failed getting file size. fd is null"));
     }
 #if defined(_WIN32) && !defined(__CYGWIN__)
-    int fd = _fileno(f);
+    int fd = ::_fileno(f);
 #if _WIN64 // 64 bits
-    __int64 ret = _filelengthi64(fd);
+    __int64 ret = ::_filelengthi64(fd);
     if (ret >= 0)
     {
         return static_cast<size_t>(ret);
     }
 
 #else // windows 32 bits
-    long ret = _filelength(fd);
+    long ret = ::_filelength(fd);
     if (ret >= 0)
     {
         return static_cast<size_t>(ret);
@@ -231,7 +231,7 @@ SPDLOG_INLINE size_t filesize(FILE *f)
 #endif
 
 #else // unix
-    int fd = fileno(f);
+    int fd = ::fileno(f);
 // 64 bits(but not in osx or cygwin, where fstat64 is deprecated)
 #if (defined(__linux__) || defined(__sun) || defined(_AIX)) && (defined(__LP64__) || defined(_LP64))
     struct stat64 st;
@@ -258,10 +258,10 @@ SPDLOG_INLINE int utc_minutes_offset(const std::tm &tm)
 #ifdef _WIN32
 #if _WIN32_WINNT < _WIN32_WINNT_WS08
     TIME_ZONE_INFORMATION tzinfo;
-    auto rv = GetTimeZoneInformation(&tzinfo);
+    auto rv = ::GetTimeZoneInformation(&tzinfo);
 #else
     DYNAMIC_TIME_ZONE_INFORMATION tzinfo;
-    auto rv = GetDynamicTimeZoneInformation(&tzinfo);
+    auto rv = ::filnoGetDynamicTimeZoneInformation(&tzinfo);
 #endif
     if (rv == TIME_ZONE_ID_INVALID)
         SPDLOG_THROW(spdlog::spdlog_ex("Failed getting timezone info. ", errno));