109 lines
2.6 KiB
C
109 lines
2.6 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_strlcat.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: hulamy <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2019/11/25 13:57:02 by hulamy #+# #+# */
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/* Updated: 2019/11/25 14:23:18 by hulamy ### ########.fr */
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/* */
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/* ************************************************************************** */
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/*
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** append src to sized dest and return size of final dest
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*/
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/*
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** #include <libc.h>
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**
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** size_t ft_strlcat(char *dest, const char *src, size_t size);
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**
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** size_t ft_strlcat2(char *dest, char *src, size_t size);
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**
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** int ft_strlen(char *str)
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** {
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** int i;
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**
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** i = 0;
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** while (str[i])
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** i++;
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** return (i);
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** }
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**
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** int main(int ac, char **av)
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** {
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** char tmp1[100];
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** char tmp2[100];
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** int i;
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**
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** i = atoi(av[3]);
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** strcpy(tmp1, av[1]);
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** strcpy(tmp2, av[2]);
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**
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** if (ac == 4)
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** {
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** printf("----strlcat: %zu - %s - %s\n", strlcat(tmp1, tmp2, i),
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** tmp1, tmp2);
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**
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** strcpy(tmp1, av[1]);
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** strcpy(tmp2, av[2]);
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**
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** printf("-ft_strlcat: %zu - %s - %s\n", ft_strlcat(tmp1, tmp2, i),
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** tmp1, tmp2);
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**
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** strcpy(tmp1, av[1]);
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** strcpy(tmp2, av[2]);
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**
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** printf("ft_strlcat2: %zu - %s - %s\n", ft_strlcat2(tmp1, tmp2, i),
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** tmp1, tmp2);
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** }
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** }
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**
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** size_t ft_strlcat2(char *dest, char *src, size_t size)
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** {
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** size_t i;
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** size_t dest_length;
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** size_t src_length;
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**
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** i = 0;
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** dest_length = ft_strlen(dest);
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** src_length = ft_strlen(src);
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** if (size > dest_length + 1)
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** {
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** while (i < (size - dest_length - 1))
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** {
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** dest[i + dest_length] = src[i];
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** i++;
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** }
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** dest[dest_length + i] = '\0';
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** }
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** if (size >= dest_length)
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** return (dest_length + src_length);
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** return (src_length + size);
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** }
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*/
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#include "libft.h"
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size_t ft_strlcat(char *dest, const char *src, size_t size)
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{
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size_t i;
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size_t j;
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i = 0;
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j = 0;
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while (dest[i] && i < size)
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i++;
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while (src[j])
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{
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if (j + i < size - 1 && size)
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{
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dest[i + j] = src[j];
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dest[i + j + 1] = '\0';
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}
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j++;
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}
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return (i + j);
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}
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