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Move createTempFile to libutil

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This commit is contained in:
Eelco Dolstra 2019-05-02 21:28:41 +02:00
parent dea18ff999
commit 8ec77614f6
3 changed files with 19 additions and 14 deletions
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11
src/libutil/util.cc
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@ -461,6 +461,17 @@ Path createTempDir(const Path & tmpRoot, const Path & prefix,
}
std::pair<AutoCloseFD, Path> createTempFile(const Path & prefix)
{
Path tmpl(getEnv("TMPDIR", "/tmp") + "/" + prefix + ".XXXXXX");
// Strictly speaking, this is UB, but who cares...
AutoCloseFD fd(mkstemp((char *) tmpl.c_str()));
if (!fd)
throw SysError("creating temporary file '%s'", tmpl);
return {std::move(fd), tmpl};
}
static Lazy<Path> getHome2([]() {
Path homeDir = getEnv("HOME");
if (homeDir.empty()) {