here "return NULL", i think it will cause weakly memory leaks.
code snippet follows:
(in function: expand_path)
################################
#ifdef GETPWNAM_MISSING
if (line != 0)
error (0, 0,
"%s:%d:tilde expansion not supported on this system",
file, line);
else
error (0, 0, "%s:tilde expansion not supported on this system",
file);
return NULL;
#else
struct passwd *ps;
ps = getpwnam (buf + d);
if (ps == 0)
{
if (line != 0)
error (0, 0, "%s:%d: no such user %s",
file, line, buf + d);
else
error (0, 0, "%s: no such user %s", file, buf + d);
return NULL;
}
e = ps->pw_dir;
#endif
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