Consider the following example:
try {
static const char silly_example[] = "just a %silly% example";
char expanded[100];
if (!ExpandEnvironmentStrings(silly_example, expanded, sizeof expanded))
throw rdr::Exception("failed to expand %s", silly_example);
} catch (rdr::exception &e) {
vlog.error(e.str());
}
The %s from %silly% directs vlog.error() to substitute a non-existing char
* argument, which might cause odd things including crash.
Regards,
Jochen
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