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mbus-serial-scan: Refactor cmdline parsing

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This commit is contained in:
Stefan Wahren
2018-05-15 20:20:34 +02:00
parent 027f6fb689
commit 13e6811630
1 changed files with 27 additions and 46 deletions
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71
bin/mbus-serial-scan.c
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@ -11,6 +11,7 @@
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include <mbus/mbus.h>
static int debug = 0;
@ -56,57 +57,37 @@ main(int argc, char **argv)
char *device;
int address, retries = 0;
long baudrate = 9600;
int ret;
int opt, ret;
if (argc == 2)
while ((opt = getopt(argc, argv, "db:r:")) != -1)
{
device = argv[1];
}
else if (argc == 3 && strcmp(argv[1], "-d") == 0)
switch (opt)
{
case 'd':
debug = 1;
device = argv[2];
}
else if (argc == 4 && strcmp(argv[1], "-b") == 0)
{
baudrate = atol(argv[2]);
device = argv[3];
}
else if (argc == 4 && strcmp(argv[1], "-r") == 0)
{
retries = atoi(argv[2]);
device = argv[3];
}
else if (argc == 5 && strcmp(argv[1], "-d") == 0 && strcmp(argv[2], "-b") == 0)
{
debug = 1;
baudrate = atol(argv[3]);
device = argv[4];
}
else if (argc == 5 && strcmp(argv[1], "-d") == 0 && strcmp(argv[2], "-r") == 0)
{
debug = 1;
retries = atoi(argv[3]);
device = argv[4];
}
else if (argc == 6 && strcmp(argv[1], "-b") == 0 && strcmp(argv[3], "-r") == 0)
{
baudrate = atol(argv[2]);
retries = atoi(argv[4]);
device = argv[5];
}
else if (argc == 7 && strcmp(argv[1], "-d") == 0 && strcmp(argv[2], "-b") == 0 && strcmp(argv[4], "-r") == 0)
{
debug = 1;
baudrate = atol(argv[3]);
retries = atoi(argv[5]);
device = argv[6];
}
else
{
fprintf(stderr,"usage: %s [-d] [-b BAUDRATE] [-r RETRIES] device\n", argv[0]);
break;
case 'b':
baudrate = atol(optarg);
break;
case 'r':
retries = atoi(optarg);
break;
default:
fprintf(stderr,"usage: %s [-d] [-b BAUDRATE] [-r RETRIES] device\n",
argv[0]);
return 0;
}
}
if (optind >= argc) {
fprintf(stderr,"usage: %s [-d] [-b BAUDRATE] [-r RETRIES] device\n",
argv[0]);
return 0;
}
device = argv[optind];
if ((handle = mbus_context_serial(device)) == NULL)
{