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icestorm
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icemulti: Use getopt to parse arguments

This commit is contained in:
Roland Lutz 2017-07-10 14:15:31 +02:00
parent ca90cc78e1
commit 395b36f293
1 changed files with 49 additions and 35 deletions
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84
icemulti/icemulti.cc
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@ -19,6 +19,7 @@
#include <cstdint>
#include <memory>
#include <getopt.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -194,6 +195,8 @@ void usage()
int main(int argc, char **argv)
{
int c;
char *endptr = NULL;
bool coldboot = false;
int por_image = 0;
int image_count = 0;
@ -203,51 +206,62 @@ int main(int argc, char **argv)
std::unique_ptr<Image> images[NUM_IMAGES];
const char *outfile_name = NULL;
static struct option long_options[] = {
{NULL, 0, NULL, 0}
};
program_short_name = strrchr(argv[0], '/');
if (program_short_name == NULL)
program_short_name = argv[0];
else
program_short_name++;
for (int i = 1; i < argc; i++)
{
if (argv[i][0] == '-' && argv[i][1]) {
for (int j = 1; argv[i][j]; j++)
if (argv[i][j] == 'c') {
coldboot = true;
} else if (argv[i][j] == 'p' && argv[i][j+1]) {
por_image = argv[i][++j] - '0';
} else if (argv[i][j] == 'a' || argv[i][j] == 'A') {
align_first = argv[i][j] == 'A';
if (argv[i][j+1])
align_bits = atoi(&argv[i][j+1]);
else if(i+1 < argc)
align_bits = atoi(argv[++i]);
else
usage();
break;
} else if (argv[i][j] == 'o') {
if (argv[i][j+1])
outfile_name = &argv[i][j+1];
else if(i+1 < argc)
outfile_name = argv[++i];
else
usage();
break;
} else if (argv[i][j] == 'v') {
log_level++;
} else
usage();
continue;
while ((c = getopt_long(argc, argv, "cp:a:A:o:v",
long_options, NULL)) != -1)
switch (c) {
case 'c':
coldboot = true;
break;
case 'p':
if (optarg[0] == '0' && optarg[1] == '\0')
por_image = 0;
else if (optarg[0] == '1' && optarg[1] == '\0')
por_image = 1;
else if (optarg[0] == '2' && optarg[1] == '\0')
por_image = 2;
else if (optarg[0] == '3' && optarg[1] == '\0')
por_image = 3;
else
error("`%s' is not a valid power-on/reset image (must be 0, 1, 2, or 3)\n", optarg);
break;
case 'A':
align_first = true;
/* fallthrough */
case 'a':
align_bits = strtol(optarg, &endptr, 0);
if (*endptr != '\0')
error("`%s' is not a valid number\n", optarg);
break;
case 'o':
outfile_name = optarg;
break;
case 'v':
log_level++;
break;
default:
usage();
}
if (image_count >= NUM_IMAGES)
error("Too many images supplied\n");
images[image_count++].reset(new Image(argv[i]));
if (optind == argc) {
fprintf(stderr, "%s: missing argument\n", program_short_name);
usage();
}
if (!image_count)
usage();
while (optind != argc) {
if (image_count >= NUM_IMAGES)
error("Too many images supplied\n");
images[image_count++].reset(new Image(argv[optind++]));
}
if (coldboot && por_image != 0)
error("Can't select power on reset boot image in cold boot mode\n");