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utils-extra

Collection of extra tools for Unixes

sname.c (776B)

    

  1. // utils-extra: Collection of extra tools for Unixes
  2. // SPDX-FileCopyrightText: 2017-2022 Haelwenn (lanodan) Monnier <contact+utils@hacktivis.me>
  3. // SPDX-License-Identifier: MPL-2.0
  5. // uname(2) isn't in POSIX
  6. #define _GNU_SOURCE
  7. #include <stdio.h>       // printf(), perror()
  8. #include <stdlib.h>      // exit()
  9. #include <sys/utsname.h> // utsname, uname()
  11. void
  12. print_kv(char *key, char *value)
  13. {
  14. 	if(printf("%s	%s\n", key, value) < 0)
  15. 	{
  16. 		perror("sname: printf");
  17. 		exit(1);
  18. 	}
  19. }
  21. int
  22. main()
  23. {
  24. 	struct utsname name;
  25. 	if(uname(&name) != 0)
  26. 	{
  27. 		perror("uname");
  28. 		return 1;
  29. 	}
  31. 	print_kv("machine", name.machine);
  32. 	print_kv("nodename", name.nodename);
  33. 	print_kv("release", name.release);
  34. 	print_kv("sysname", name.sysname);
  35. 	print_kv("version", name.version);
  37. 	return 0;
  38. }