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Diffstat (limited to 'src/str/ft_strsjoin.c')
| -rw-r--r-- | src/str/ft_strsjoin.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/str/ft_strsjoin.c b/src/str/ft_strsjoin.c new file mode 100644 index 0000000..0923bde --- /dev/null +++ b/src/str/ft_strsjoin.c @@ -0,0 +1,50 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* ft_strsjoin.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: charles <charles.cabergs@gmail.com> +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2020/04/04 14:30:08 by charles #+# #+# */ +/* Updated: 2020/04/04 23:34:30 by charles ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#include "libft_str.h" + +/* +** \brief Join null-terminated array of strings +** \param strs Array of strings +** \param delim String iterspersed between strings +** \return Joined string or NULL on error +** \note Empty strings are ignored +*/ + +char *ft_strsjoin(char **strs, char *delim) +{ + int i; + size_t join_len; + size_t delim_len; + char *join; + + delim_len = ft_strlen(delim); + join_len = 0; + i = -1; + while (strs[++i] != NULL) + { + join_len += ft_strlen(strs[i]); + if (strs[i + 1] != NULL) + join_len += delim_len; + } + if ((join = (char*)malloc(sizeof(char) * (join_len + 1))) == NULL) + return (NULL); + join[0] = '\0'; + i = -1; + while (strs[++i] != NULL) + { + ft_strcat(join, strs[i]); + if (*strs[i] != '\0' && strs[i + 1] != NULL) + ft_strcat(join, delim); + } + return (join); +} |