void
perf_opt_parse(int argc, char **argv)
{
int c;
opt_t *opt;
isc_result_t result;
unsigned int i;
progname = isc_file_basename(argv[0]);
perf_opt_add('h', perf_opt_boolean, NULL, "print this help",
NULL, NULL);
while ((c = getopt(argc, argv, optstr)) != -1) {
for (i = 0; i < nopts; i++) {
if (opts[i].c == c)
break;
}
if (i == nopts) {
perf_opt_usage();
exit(1);
}
if (c == 'h') {
perf_opt_usage();
exit(0);
}
opt = &opts[i];
result = ISC_R_SUCCESS;
switch (opt->type) {
case perf_opt_string:
*opt->u.stringp = optarg;
break;
case perf_opt_boolean:
*opt->u.boolp = ISC_TRUE;
break;
case perf_opt_uint:
*opt->u.uintp = parse_uint(opt->desc, optarg,
1, 0xFFFFFFFF);
break;
case perf_opt_timeval:
*opt->u.uint64p = parse_timeval(opt->desc, optarg);
break;
case perf_opt_double:
*opt->u.doublep = parse_double(opt->desc, optarg);
break;
case perf_opt_port:
*opt->u.portp = parse_uint(opt->desc, optarg,
0, 0xFFFF);
break;
}
}
if (optind != argc) {
fprintf(stderr, "unexpected argument %s\n", argv[optind]);
perf_opt_usage();
exit(1);
}
}
static void
setup_syslog(const char *progname) {
int options;
options = LOG_PID;
#ifdef LOG_NDELAY
options |= LOG_NDELAY;
#endif
openlog(isc_file_basename(progname), options, ISC_FACILITY);
}
isc_result_t
isc_file_progname(const char *filename, char *buf, size_t buflen) {
const char *base;
size_t len;
REQUIRE(filename != NULL);
REQUIRE(buf != NULL);
base = isc_file_basename(filename);
len = strlen(base) + 1;
if (len > buflen)
return (ISC_R_NOSPACE);
memcpy(buf, base, len);
return (ISC_R_SUCCESS);
}
isc_result_t isc_file_progname (const char *filename, char *progname, size_t namelen)
{
const char *s;
char *p;
size_t len;
REQUIRE (filename != NULL);
REQUIRE (progname != NULL);
/*
* Strip the path from the name
*/
s = isc_file_basename (filename);
if (s == NULL)
{
return (ISC_R_NOSPACE);
}
/*
* Strip any and all suffixes
*/
p = strchr (s, '.');
if (p == NULL)
{
if (namelen <= strlen (s))
return (ISC_R_NOSPACE);
strcpy (progname, s);
return (ISC_R_SUCCESS);
}
/*
* Copy the result to the buffer
*/
len = p - s;
if (len >= namelen)
return (ISC_R_NOSPACE);
strncpy (progname, s, len);
progname[len] = '\0';
return (ISC_R_SUCCESS);
}
