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We test xmkstemp() in our helper by just calling:
xmkstemp(xstrdup(argv[1]));
This leaks both the copied string as well as the descriptor returned by
the function. In practice this isn't a big deal, since we immediately
exit the program, but:
1. LSan will complain about the memory leak. The only reason we did
not notice this in our leak-checking builds is that both of the
callers in the test suite (both in t0070) pass a broken template
(and expect failure). So the function calls die() before we can
actually leak.
But it's an accident waiting to happen if anybody adds a call which
succeeds.
2. Coverity complains about the descriptor leak. There's a long list
of uninteresting or false positives in Coverity's results, but
since we're here we might as well fix it, too.
I didn't bother adding a new test that triggers the leak. It's not even
in real production code, but just in the test-helper itself.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
22 lines
387 B
C
22 lines
387 B
C
/*
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* test-mktemp.c: code to exercise the creation of temporary files
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*/
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#include "test-tool.h"
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#include "git-compat-util.h"
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int cmd__mktemp(int argc, const char **argv)
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{
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char *template;
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int fd;
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if (argc != 2)
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usage("Expected 1 parameter defining the temporary file template");
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template = xstrdup(argv[1]);
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fd = xmkstemp(template);
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close(fd);
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free(template);
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return 0;
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}
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