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support for non-posix non-windows platforms in io (useful at all? dunno)

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This commit is contained in:
q66 2017-05-12 00:08:37 +02:00
parent 0925ff3350
commit 884e8c2849
1 changed files with 8 additions and 4 deletions
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12
src/io.cc
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@ -63,10 +63,12 @@ OSTD_EXPORT bool file_stream::end() const {
}
OSTD_EXPORT void file_stream::seek(stream_off_t pos, stream_seek whence) {
#ifndef OSTD_PLATFORM_WIN32
#if defined(OSTD_PLATFORM_POSIX)
if (fseeko(p_f, pos, int(whence)))
#else
#elif defined(OSTD_PLATFORM_WIN32)
if (_fseeki64(p_f, pos, int(whence)))
#else
if (fseek(p_f, pos, int(whence)))
#endif
{
throw stream_error{errno, std::generic_category()};
@ -74,10 +76,12 @@ OSTD_EXPORT void file_stream::seek(stream_off_t pos, stream_seek whence) {
}
OSTD_EXPORT stream_off_t file_stream::tell() const {
#ifndef OSTD_PLATFORM_WIN32
#if defined(OSTD_PLATFORM_POSIX)
auto ret = ftello(p_f);
#else
#elif defined(OSTD_PLATFORM_WIN32)
auto ret = _ftelli64(p_f);
#else
auto ret = ftell(p_f);
#endif
if (ret < 0) {
throw stream_error{errno, std::generic_category()};