luke
/
icestorm
mirror of https://github.com/YosysHQ/icestorm.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

iceprog: Add option `--help'

This commit is contained in:
Roland Lutz 2017-06-07 19:46:08 +02:00
parent 86af65cc32
commit 703a913bd1
1 changed files with 15 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
iceprog/iceprog.c
View File

@ -31,6 +31,7 @@
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <getopt.h>
#include <errno.h>
#include <err.h>
#include <sys/types.h>
@ -342,7 +343,6 @@ void help(const char *progname)
fprintf(stderr, "This means that some data after the written data (or even before when -o is\n");
fprintf(stderr, "used) may be erased as well.\n");
fprintf(stderr, "\n");
exit(1);
}
int main(int argc, char **argv)
@ -360,9 +360,15 @@ int main(int argc, char **argv)
const char *devstr = NULL;
enum ftdi_interface ifnum = INTERFACE_A;
static struct option long_options[] = {
{"help", no_argument, NULL, -2},
{NULL, 0, NULL, 0}
};
int opt;
char *endptr;
while ((opt = getopt(argc, argv, "d:I:rR:o:cbnStv")) != -1)
while ((opt = getopt_long(argc, argv, "d:I:rR:o:cbnStv",
long_options, NULL)) != -1)
{
switch (opt)
{
@ -419,8 +425,14 @@ int main(int argc, char **argv)
case 'v':
verbose = true;
break;
default:
case -2:
help(argv[0]);
return EXIT_SUCCESS;
default:
/* error message has already been printed */
fprintf(stderr, "Try `%s --help' "
"for more information.\n", argv[0]);
return EXIT_FAILURE;
}
}