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signal: restructure code

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This commit is contained in:
Steffen Vogel 2017-07-06 23:20:57 +02:00
parent 542631ed5b
commit 0c920fbd57
1 changed files with 29 additions and 14 deletions
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43
src/signal.c
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@ -85,38 +85,37 @@ static void quit(int signal, siginfo_t *sinfo, void *ctx)
exit(EXIT_SUCCESS);
}
int main(int argc, char *argv[])
int signal_parse_cli(struct signal *s, int argc, char *argv[])
{
char *type;
int ret, level = V;
/* Parse optional command line arguments */
char c, *endptr;
while ((c = getopt(argc, argv, "hv:r:f:l:a:D:d:n")) != -1) {
switch (c) {
case 'd':
level = strtoul(optarg, &endptr, 10);
l.level = strtoul(optarg, &endptr, 10);
goto check;
case 'n':
s.rt = 0;
s->rt = 0;
break;
case 'l':
s.limit = strtoul(optarg, &endptr, 10);
s->limit = strtoul(optarg, &endptr, 10);
goto check;
case 'v':
s.values = strtoul(optarg, &endptr, 10);
s->values = strtoul(optarg, &endptr, 10);
goto check;
case 'r':
s.rate = strtof(optarg, &endptr);
s->rate = strtof(optarg, &endptr);
goto check;
case 'f':
s.frequency = strtof(optarg, &endptr);
s->frequency = strtof(optarg, &endptr);
goto check;
case 'a':
s.amplitude = strtof(optarg, &endptr);
s->amplitude = strtof(optarg, &endptr);
goto check;
case 'D':
s.stddev = strtof(optarg, &endptr);
s->stddev = strtof(optarg, &endptr);
goto check;
case 'h':
case '?':
@ -137,12 +136,28 @@ check: if (optarg == endptr)
type = argv[optind];
s.type = signal_lookup_type(type);
if (s.type == -1)
s->type = signal_lookup_type(type);
if (s->type == -1)
error("Invalid signal type: %s", type);
log_init(&l, level, LOG_ALL);
signals_init(quit);
return 0;
}
int main(int argc, char *argv[])
{
int ret;
ret = signal_parse_cli(&s, argc, argv);
if (ret)
error("Failed to parse command line options");
ret = log_init(&l, l.level, LOG_ALL);
if (ret)
error("Failed to initialize log");
ret = signals_init(quit);
if (ret)
error("Failed to intialize signals");
info("Starting signal generation: %s", signal_print(&n));