static HANDLE init_module(const char* library)
{
HANDLE h;
char* f;
char buf[PATH_MAX];
static const char sys[] = "C:\\Windows\\System32";
f = "GetModuleHandle";
sfsprintf(buf, sizeof(buf), "%s\\%s.dll", sys, library);
if (h = GetModuleHandle(buf))
goto found;
f = "LoadLibrary";
sfsprintf(buf, sizeof(buf), "%s.dll", library);
if (h = LoadLibrary(buf))
goto found;
sfsprintf(buf, sizeof(buf), "%s\\%s.dll", sys, library);
if (h = LoadLibrary(buf))
goto found;
logmsg(LOGLEVEL(index), "library %s not found", library);
return 0;
found:
logmsg(LOGLEVEL(index), "library %s bound to %s by %s", library, buf, f);
return h;
}
static FARPROC getsymbol(int index, const char* symbol)
{
FARPROC sym;
static HANDLE handle;
static const char library[] = "msi";
if (!handle && !(handle = init_module(library)))
{
logmsg(LOGLEVEL(index), "library %s not found", library);
return 0;
}
if (!(sym = GetProcAddress(handle, symbol)))
logmsg(LOGLEVEL(index), "symbol %s not found in library %s", symbol, library);
return sym;
}
void debug(struct opts *opts, const char *format, ...) {
if (!LOGLEVEL(opts, LOG_DEBUG))
return;
va_list ap;
va_start(ap, format);
if (format[0] == LOG_NP[0]) {
format += 1;
} else {
fprintf(stderr, "DEBUG: ");
}
vfprintf(stderr, format, ap);
va_end(ap);
}
void debug_printopts(struct opts *opts) {
if (!LOGLEVEL(opts, LOG_DEBUG))
return;
int arg;
debug(opts, "o_loglevel: %d\n", opts->o_loglevel);
debug(opts, "o_datadir: %s\n", opts->o_datadir);
debug(opts, "o_logdir: %s\n", opts->o_logdir);
debug(opts, "o_argc: %d\n", opts->o_argc);
debug(opts, "o_argv:");
for (arg = 0; arg < opts->o_argc; arg += 1)
debug(opts, LOG_NP " %s", opts->o_argv[arg]);
debug(opts, LOG_NP "\n");
debug(opts, "o_realpath: %s\n", opts->o_realpath);
debug(opts, "o_execname: %s\n", opts->o_execname);
debug(opts, "o_session_log: %s\n", opts->o_session_log);
debug(opts, "o_session_log_file: %p\n", opts->o_session_log_file);
}