static int parse_args(cfacdbu_t *u, unsigned int argc, char *const *argv)
{
int optc;
while (CFACDB_TRUE) {
static struct option long_options[] = {
{"session", required_argument, NULL, 's'},
{"cache", required_argument, NULL, 'c'},
{"temperature", required_argument, NULL, 'T'},
{"nele-min", required_argument, NULL, 128},
{"nele-max", required_argument, NULL, 129},
{"info", no_argument, NULL, 'i'},
{"version", no_argument, NULL, 'V'},
{"help", no_argument, NULL, 'h'},
{NULL, 0, NULL, 0}
};
/* `getopt_long' stores the option index here. */
int option_index = 0;
optc = getopt_long(argc, argv,
"is:c:T:Vh",
long_options, &option_index);
/* Detect the end of the options. */
if (optc == -1) {
break;
}
switch (optc) {
case 'i':
u->print_info = CFACDB_TRUE;
break;
case 'c':
u->cache_fname = optarg;
break;
case 's':
if (!strcmp(optarg, "all")) {
u->sid = -1;
} else {
u->sid = atoi(optarg);
}
break;
case 'T':
u->T = atof(optarg);
if (u->T <= 0.0) {
fprintf(stderr, " Temperature must be positive!\n");
return CFACDB_FAILURE;
}
break;
case 128:
u->nele_min = atoi(optarg);
if (u->nele_min < 0) {
fprintf(stderr, " nele-min must be non-negative!\n");
return CFACDB_FAILURE;
}
break;
case 129:
u->nele_max = atoi(optarg);
if (u->nele_max < 0) {
fprintf(stderr, " nele-max must be non-negative!\n");
return CFACDB_FAILURE;
}
break;
case 'V':
verinfo();
exit(0);
break;
case 'h':
usage(stdout, argv[0]);
exit(0);
break;
case '?':
/* `getopt_long' already printed an error message. */
usage(stderr, argv[0]);
return CFACDB_FAILURE;
default:
return CFACDB_FAILURE;
}
}
if (optind == argc - 1) {
u->db_fname = argv[optind];
optind++;
} else {
usage(stderr, argv[0]);
return CFACDB_FAILURE;
}
/* Print any remaining command line arguments (not options). */
if (optind < argc - 1) {
fprintf(stderr, "unrecognized argument(s): ");
while (optind < argc - 1) {
fprintf(stderr, "%s ", argv[++optind]);
}
fprintf(stderr, "\n");
usage(stderr, argv[0]);
return CFACDB_FAILURE;
}
if (u->nele_min > u->nele_max) {
fprintf(stderr, "nele-min > nele-max: %d > %d!\n",
u->nele_min, u->nele_max);
return CFACDB_FAILURE;
}
return CFACDB_SUCCESS;
}
int insmod(char *modulename) {
int i;
module *mods;
char buf[1024], modulebuf[1024];
const char *(*verinfo)(const char **);
struct module_dep *mdp;
strlcpy(modulebuf, modulename, sizeof(modulebuf));
delchars(modulebuf,"./\\;");
if (isloaded(modulebuf)) {
Error("core",ERR_DEBUG,"Tried to load already loaded module: %s",modulebuf);
return 1;
}
if (strlen(modulebuf)>100) {
Error("core",ERR_WARNING,"Module name too long: %s",modulebuf);
return 1;
}
if ((mdp=getmoduledep(modulebuf))) {
for (i=0;i<mdp->numparents;i++) {
if (!isloaded(mdp->parents[i]->name->content)) {
if (insmod(mdp->parents[i]->name->content)) {
Error("core",ERR_WARNING,"Error loading dependant module %s (needed by %s)",
mdp->parents[i]->name->content,modulebuf);
return 1;
}
}
}
} else {
Error("core",ERR_WARNING,"Loading module %s without dependency information.",modulebuf);
}
i=array_getfreeslot(&modules);
mods=(module *)(modules.content);
sprintf(buf,"%s/%s%s",moddir->content,modulebuf,modsuffix->content);
mods[i].handle=dlopen(buf,RTLD_NOW|RTLD_GLOBAL);
if(mods[i].handle==NULL) {
Error("core",ERR_ERROR,"Loading module %s failed: %s",modulebuf,dlerror());
array_delslot(&modules,i);
return -1;
}
mods[i].name=getsstring(modulebuf,MODULENAMELEN);
verinfo=dlsym(mods[i].handle,"_version");
if(verinfo) {
mods[i].buildid=verinfo(&mods[i].version);
} else {
mods[i].version=NULL;
mods[i].buildid=NULL;
}
mods[i].loadedsince = time(NULL);
Error("core",ERR_INFO,"Loaded module %s OK.",modulebuf);
return 0;
}