Added help and version options

Author Mitja Felicijan <mitja.felicijan@gmail.com> 2024-10-07 22:10:47 +0200
Committer Mitja Felicijan <mitja.felicijan@gmail.com> 2024-10-07 22:10:47 +0200
Commit 83414d8ff61f2e367dac4f571b7a03a035e83fa2 (patch)
-rw-r--r-- main.c 23
-rw-r--r-- version.h 11
2 files changed, 26 insertions, 8 deletions
diff --git a/main.c b/main.c
...
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#include <stdarg.h>
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#include <stdarg.h>
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#include <getopt.h>
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#include <getopt.h>
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#include "version.h"
 
  
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void help(const char *argv0) {
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void help(const char *argv0) {
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	printf("Usage: %s [options]\n"
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	printf("Usage: %s [options]\n"
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			"\nAvailable options:\n"
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			"\nAvailable options:\n"
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			"  -h,--help                  this help\n"
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			"  -h,--help                  this help\n"
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			"  -v,--version               show version\n"
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			"  -v,--version               show version\n"
 
  
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			"  -l,--list                  list available devices\n"
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			"  -p,--port=client:port      device port\n",
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			"  -p,--port=client:port      device port\n",
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			argv0);
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			argv0);
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}
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}
...
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int main(int argc, char *argv[]) {
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int main(int argc, char *argv[]) {
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	const char short_options[] = "hvlp";
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	const char short_options[] = "hvlp";
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	const struct option long_options[] = {
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	const struct option long_options[] = {
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		{"help", 0, NULL, 'h'},
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		{ "help", 0, NULL, 'h' },
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		{"version", 0, NULL, 'v'},
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		{ "version", 0, NULL, 'v' },
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		{"list", 0, NULL, 'l'},
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		{ "list", 0, NULL, 'l' },
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		{"port", 1, NULL, 'p'},
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		{ "port", 1, NULL, 'p' },
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		{0},
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		{ 0 },
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	};
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	};
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	int c;
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	int c;
...
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				help(argv[0]);
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				help(argv[0]);
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				return 0;
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				return 0;
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			case 'v':
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			case 'v':
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				fprintf(stdout, "Version\n");
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				fprintf(stdout, "ttdaw version %s\n", TTDAW_VERSION);
 
  
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				fprintf(stdout, "Website: %s.\n", TTDAW_WEBSITE);
 
  
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				fprintf(stdout, "%s\n", TTDAW_LICENSE);
 
  
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				fprintf(stdout, "%s\n", TTDAW_WARRANTY);
 
  
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				fprintf(stdout, "\n%s\n", TTDAW_AUTHOR);
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				return 0;
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				return 0;
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			case 'l':
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			case 'l':
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				fprintf(stdout, "List\n");
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				fprintf(stderr, "List feature is NOT implemented yet.\n");
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				return 0;
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				return 0;
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			case 'p':
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			case 'p':
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				fprintf(stdout, "Port\n");
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				fprintf(stderr, "Port feature is NOT implemented yet.\n");
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				return 0;
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				return 0;
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			default:
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			default:
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				fprintf(stdout, "No option provided\n");
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				fprintf(stdout, "No option provided\n");
...
diff --git a/version.h b/version.h 
  
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#ifndef TTDAW_VERSION_H
 
  
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#define TTDAW_VERSION_H
 
  
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#define TTDAW_VERSION  "0.1"
 
  
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#define TTDAW_WEBSITE  "https://github.com/mitjafelicijan/ttdaw"
 
  
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#define TTDAW_LICENSE  "This is free software: you are free to change and redistribute it."
 
  
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#define TTDAW_WARRANTY "There is NO WARRANTY, to the extent permitted by law."
 
  
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#define TTDAW_AUTHOR   "Written by Mitja Felicijan <https://mitjafelicijan.com>."
 
  
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#endif
 
  
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