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author | Michael J. Spencer <bigcheesegs@gmail.com> | 2010-12-03 17:54:07 +0000 |
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committer | Michael J. Spencer <bigcheesegs@gmail.com> | 2010-12-03 17:54:07 +0000 |
commit | 3920d3b4f4310c1132d81b8d7c74c95111378680 (patch) | |
tree | 198a502420832363abce448684191fae0289179e /lib/Support/Unix/PathV2.inc | |
parent | a50b98c517cc90e6c8929b721049c9a589682e6d (diff) | |
download | llvm-3920d3b4f4310c1132d81b8d7c74c95111378680.tar.gz llvm-3920d3b4f4310c1132d81b8d7c74c95111378680.tar.bz2 llvm-3920d3b4f4310c1132d81b8d7c74c95111378680.tar.xz |
Support/FileSystem: Add resize_file implementation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120819 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Support/Unix/PathV2.inc')
-rw-r--r-- | lib/Support/Unix/PathV2.inc | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/Support/Unix/PathV2.inc b/lib/Support/Unix/PathV2.inc index 8ecf2a4222..75cfce822a 100644 --- a/lib/Support/Unix/PathV2.inc +++ b/lib/Support/Unix/PathV2.inc @@ -213,6 +213,16 @@ error_code rename(const Twine &from, const Twine &to) { return make_error_code(errc::success); } +error_code resize_file(const Twine &path, uint64_t size) { + SmallString<128> path_storage; + StringRef p = path.toNullTerminatedStringRef(path_storage); + + if (::truncate(p.begin(), size) == -1) + return error_code(errno, system_category()); + + return make_error_code(errc::success); +} + error_code exists(const Twine &path, bool &result) { SmallString<128> path_storage; StringRef p = path.toNullTerminatedStringRef(path_storage); |