Dir::tempDir not working on some systems.

Only worked when TMPDIR environment variable had a trailing slash (i.e.
"/tmp/" worked, but not "/tmp").
(Problem shown by simgear's "test suite". It's good to have tests!)
This commit is contained in:
ThorstenB 2012-03-03 17:06:51 +01:00
parent 86e32035d7
commit 13f96cdcc9

View File

@ -96,11 +96,14 @@ Dir Dir::tempDir(const std::string& templ)
char buf[1024];
const char* tempPath = ::getenv("TMPDIR");
if (!tempPath) {
tempPath = "/tmp/";
tempPath = "/tmp";
}
SGPath p(tempPath);
p.append(templ);
// Mac OS-X / BSD manual says any number of 'X's, but GLibc manual
// says exactly six, so that's what I'm going with
::snprintf(buf, 1024, "%s%s-XXXXXX", tempPath, templ.c_str());
p.concat("-XXXXXX");
::snprintf(buf, 1024, "%s", p.c_str());
if (!mkdtemp(buf)) {
SG_LOG(SG_IO, SG_WARN, "mkdtemp failed:" << strerror(errno));
return Dir();