diff options
Diffstat (limited to 'src/ft_split.c')
| -rw-r--r-- | src/ft_split.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/ft_split.c b/src/ft_split.c new file mode 100644 index 0000000..bb51c85 --- /dev/null +++ b/src/ft_split.c @@ -0,0 +1,67 @@ +#include "libft.h" +#include <stdlib.h> + +static size_t +_s_count_words (char const *s, char c) +{ + size_t count; + + count = 0; + while (*s) + { + while (*s == c) + s++; + if (*s) + { + count++; + while (*s && *s != c) + s++; + } + } + return (count); +} + +static void +_s_free_all (char **arr, size_t n) +{ + size_t i; + + i = 0; + while (i < n) + free (arr[i++]); + free (arr); +} + +char ** +ft_split (char const *s, char c) +{ + size_t count; + char **arr; + size_t i; + + count = _s_count_words (s, c); + arr = malloc ((count + 1) * sizeof (char *)); + if (!arr) + return (NULL); + i = 0; + while (*s) + { + while (*s == c) + s++; + if (*s) + { + const char *start = s; + while (*s && *s != c) + s++; + arr[i] = ft_substr (start, 0, s - start); + if (!arr[i]) + { + _s_free_all (arr, i); + return (NULL); + } + i++; + } + } + arr[i] = NULL; + return (arr); +} |
