trim.c 1.2 KB

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  1. /* vi: set sw=4 ts=4: */
  2. /*
  3. * Utility routines.
  4. *
  5. * Copyright (C) many different people.
  6. * If you wrote this, please acknowledge your work.
  7. *
  8. * This program is free software; you can redistribute it and/or modify
  9. * it under the terms of the GNU General Public License as published by
  10. * the Free Software Foundation; either version 2 of the License, or
  11. * (at your option) any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful, but
  14. * WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16. * General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program; if not, write to the Free Software
  20. * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  21. * USA
  22. */
  23. #include <stdio.h>
  24. #include <string.h>
  25. #include <ctype.h>
  26. #include "libbb.h"
  27. void trim(char *s)
  28. {
  29. int len = strlen(s);
  30. /* trim trailing whitespace */
  31. while ( len > 0 && isspace(s[len-1]))
  32. s[--len]='\0';
  33. /* trim leading whitespace */
  34. memmove(s, &s[strspn(s, " \n\r\t\v")], len);
  35. }
  36. /* END CODE */
  37. /*
  38. Local Variables:
  39. c-file-style: "linux"
  40. c-basic-offset: 4
  41. tab-width: 4
  42. End:
  43. */