super_lib_c/get_next_line/get_next_line_utils.c

84 lines
1.9 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* get_next_line_utils.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: mdenys <mdenys@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/11/14 10:50:53 by mdenys #+# #+# */
/* Updated: 2020/11/17 23:56:51 by mdenys ### ########.fr */
/* */
/* ************************************************************************** */
#include "get_next_line.h"
size_t ft_strlen(const char *s)
{
int i;
i = 0;
if (!s)
return (0);
while (s[i] != '\0')
i++;
return (i);
}
void *ft_memmove(void *dst, const void *src, size_t len)
{
char *d;
char *s;
d = (char *)dst;
s = (char *)src;
if (dst == src)
return (dst);
if (s < d)
{
while (len--)
*(d + len) = *(s + len);
return (dst);
}
while (len--)
*d++ = *s++;
return (dst);
}
char *ft_strjoin(char const *s1, char const *s2)
{
size_t s1_len;
size_t s2_len;
size_t stot_len;
char *rtn;
if (!s1 && !s2)
return (0);
s1_len = ft_strlen((char *)s1);
s2_len = ft_strlen((char *)s2);
stot_len = s1_len + s2_len + 1;
rtn = malloc(sizeof(char) * stot_len);
if (!rtn)
return (0);
ft_memmove(rtn, s1, s1_len);
ft_memmove(rtn + s1_len, s2, s2_len);
rtn[stot_len - 1] = '\0';
free((char *)s1);
return (rtn);
}
int ft_rn(char *str)
{
int i;
i = 0;
if (!str)
return (0);
while (str[i])
{
if (str[i] == '\n')
return (1);
i++;
}
return (0);
}