nerdcruft/libcruft-util
1
0
Fork 0
Code Issues Releases Activity

io: add slurp for uint32_t

Browse Source
This commit is contained in:
Danny Robson 2018-05-03 21:21:45 +10:00
parent 497d3ca970
commit c51673e421
1 changed files with 3 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
io.cpp
View File

@ -38,14 +38,12 @@ template <typename T>
std::vector<T>
util::slurp (const std::experimental::filesystem::path &path)
{
static_assert (
sizeof (T) == 1,
"slurp is designed for grabbing bytes, not complex structures"
);
posix::fd out (path, O_RDONLY | O_BINARY);
// Calculate the total file size
off_t size = posix::error::try_value (lseek (out, 0, SEEK_END));
if (size % sizeof (T))
throw std::runtime_error ("filesize not correctly rounded");
posix::error::try_value (lseek (out, 0, SEEK_SET));
@ -75,6 +73,7 @@ util::slurp (const std::experimental::filesystem::path &path)
//-----------------------------------------------------------------------------
template std::vector<char> util::slurp (const std::experimental::filesystem::path&);
template std::vector<std::byte> util::slurp (const std::experimental::filesystem::path&);
template std::vector<uint32_t> util::slurp (const std::experimental::filesystem::path&);
///////////////////////////////////////////////////////////////////////////////