ft_strsplit.c 1.6 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869
  1. /* ************************************************************************** */
  2. /* */
  3. /* ::: :::::::: */
  4. /* ft_strsplit.c :+: :+: :+: */
  5. /* +:+ +:+ +:+ */
  6. /* By: bchanot <bchanot@students.42.fr> +#+ +:+ +#+ */
  7. /* +#+#+#+#+#+ +#+ */
  8. /* Created: 2015/11/29 02:25:46 by bchanot #+# #+# */
  9. /* Updated: 2018/10/29 11:52:42 by bchanot ### ########.fr */
  10. /* */
  11. /* ************************************************************************** */
  12. #include "libft.h"
  13. static size_t ft_cpt(const char *s, char c)
  14. {
  15. size_t i;
  16. i = 0;
  17. while (*s)
  18. {
  19. while (*s && *s == c)
  20. s++;
  21. if (*s && *s != c)
  22. i++;
  23. while (*s && *s != c)
  24. s++;
  25. }
  26. return (i);
  27. }
  28. static size_t ft_word_len(const char *s, char c)
  29. {
  30. size_t len;
  31. len = 0;
  32. while (s[len] && s[len] != c)
  33. len++;
  34. if (!len)
  35. len++;
  36. return (len);
  37. }
  38. char **ft_strsplit(const char *s, char c)
  39. {
  40. char **t_str;
  41. size_t word;
  42. size_t i;
  43. word = 0;
  44. i = 0;
  45. if (!s)
  46. return (NULL);
  47. if (!(t_str = (char **)ft_memalloc(sizeof(char *) * (ft_cpt(s, c) + 1))))
  48. return (NULL);
  49. while (s[i])
  50. {
  51. if (s[i] == c)
  52. i++;
  53. else
  54. {
  55. t_str[word] = ft_strsub(&s[i], 0, ft_word_len(&s[i], c));
  56. i = i + ft_word_len(&s[i], c);
  57. word++;
  58. }
  59. }
  60. t_str[word] = NULL;
  61. return (t_str);
  62. }