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testutils: Adapt to highly unlikely case

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Coverity pointed out that getenv("PATH") may return NULL. Well,
we check for that in virFindFileInPath() too. If this happens, we
will pass NULL into strstr(). Ouch.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Michal Privoznik 2016-03-24 14:57:42 +01:00
parent 8c50daa1e1
commit 98354e362c
1 changed files with 10 additions and 3 deletions
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13
tests/testutils.c
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@ -813,9 +813,16 @@ virTestSetEnvPath(void)
const char *path = getenv("PATH");
char *new_path = NULL;
if (strstr(path, abs_builddir) != path &&
(virAsprintf(&new_path, "%s:%s", abs_builddir, path) < 0 ||
setenv("PATH", new_path, 1) < 0))
if (path) {
if (strstr(path, abs_builddir) != path &&
virAsprintf(&new_path, "%s:%s", abs_builddir, path) < 0)
goto cleanup;
} else {
if (VIR_STRDUP(new_path, abs_builddir) < 0)
goto cleanup;
}
if (setenv("PATH", new_path, 1) < 0)
goto cleanup;
ret = 0;