text_utils.h 1010 B

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  1. /*
  2. text_utils.h -- useful functions for working with text.
  3. Copyright (c) 2025 Evgeniy "Parthen" Parfenyuk <parthen [at] riseup.net>
  4. This program is free software: you can redistribute it and/or modify
  5. it under the terms of the GNU General Public License as published by
  6. the Free Software Foundation, either version 3 of the License, or
  7. (at your option) any later version.
  8. This program is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11. GNU General Public License for more details.
  12. You should have received a copy of the GNU General Public License
  13. along with this program. If not, see <https://www.gnu.org/licenses/>.
  14. */
  15. #ifndef TEXT_UTILS_H
  16. #define TEXT_UTILS_H
  17. #include <stdbool.h>
  18. inline bool is_whitespace(int ch)
  19. {
  20. return (unsigned char)ch <= 0x20 &&
  21. (ch == ' ' || ch == '\t' || ch == '\n' ||
  22. ch == '\r' || ch == '\v' || ch == '\f');
  23. }
  24. #endif