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Showing content from https://timsong-cpp.github.io/cppwp/n4659/fs.op.resize_file below:

[fs.op.resize_file]

30 Input/output library [input.output] 30.10 File systems [filesystems] 30.10.34 Filesystem operation functions [fs.op.funcs] 30.10.34.33 Resize file [fs.op.resize_file]

void resize_file(const path& p, uintmax_t new_size); void resize_file(const path& p, uintmax_t new_size, error_code& ec) noexcept;

1 #

Postconditions: file_­size(p) == new_­size.

2 #

Throws: As specified in [fs.err.report].

3 #

Remarks: Achieves its postconditions as if by POSIX truncate().


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