better support for file size in 64 bits

This commit is contained in:
gabime 2016-07-31 01:47:55 +03:00
parent 730f0e02a6
commit 74aede0c66
2 changed files with 18 additions and 22 deletions

View File

@ -100,9 +100,7 @@ public:
{
if (!_fd)
throw spdlog_ex("Cannot use size() on closed file " + os::filename_to_str(_filename));
return os::filesize(_fd);
return os::filesize(_fd);
}
const filename_t& filename() const

View File

@ -186,43 +186,41 @@ inline bool file_exists(const filename_t& filename)
#endif
}
//Return file size according to open FILE* object
inline size_t filesize(FILE *f)
{
if (f == nullptr)
throw spdlog_ex("Failed getting file size. fd is null");
#ifdef _WIN32
#if _WIN64 //64 bits
int fd = _fileno(f);
#if _WIN64 //64 bits
struct _stat64 st;
if (_fstat64(fd, &st) == 0)
return st.st_size;
else
throw spdlog_ex("Failed getting file size from fd", errno);
#else //windows 32 bits
int fd = _fileno(f);
#else //windows 32 bits
struct _stat st;
if (_fstat(fd, &st) == 0)
return st.st_size;
else
throw spdlog_ex("Failed getting file size from fd", errno);
#endif
#else// common unix
#if __x86_64__ || __ppc64__ //64 bits
int fd = fileno(f)
#else // unix
int fd = fileno(f);
//64 bits(but not in osx, where fstat64 is deprecated)
#if !defined(__APPLE__) && (defined(__x86_64__) || defined(__ppc64__))
struct stat64 st;
if (fstat64(fd, &st) == 0)
return st.st_size;
else
throw spdlog_ex("Failed getting file size from fd", errno);
#else //unix 32 bits
int fd = fileno(f)
struct stat st;
return st.st_size;
#else // unix 32 bits or osx
struct stat st;
if (fstat(fd, &st) == 0)
return st.st_size;
else
throw spdlog_ex("Failed getting file size from fd", errno);
return st.st_size;
#endif
#endif
throw spdlog_ex("Failed getting file size from fd", errno);
}