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get_next_line_utils_bonus.c
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get_next_line_utils_bonus.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* get_next_line_utils_bonus.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: leoperei <leopso1990@gmail.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/08/14 12:50:06 by leoperei #+# #+# */
/* Updated: 2021/08/14 12:50:06 by leoperei ### ########.fr */
/* */
/* ************************************************************************** */
#include "get_next_line_bonus.h"
t_size ft_strlen(const char *string)
{
t_size len;
len = 0;
while (string[len])
len++;
return (len);
}
int ft_strpos(const char *string, int character)
{
int i;
if (!string)
return (-1);
i = -1;
while (string[++i])
if (string[i] == (char)character)
return (i);
return (-1);
}
char *ft_strjoin(t_buffer *buffer, char *tmp, int tmp_length)
{
t_size i;
char *new_string;
if (!buffer->buffer || !tmp)
return (NULL);
i = -1;
new_string = malloc((buffer->length + tmp_length + 1) * sizeof(char));
if (!new_string)
return (NULL);
while (buffer->buffer[++i])
new_string[i] = buffer->buffer[i];
while (*tmp)
new_string[i++] = *(tmp++);
new_string[i] = 0;
buffer->length += tmp_length;
return (new_string);
}
char *ft_substr(char const *string, unsigned int start, t_size len)
{
t_size i;
char *new_string;
if (!string)
return (NULL);
i = ft_strlen(string);
if (start > i)
len = 0;
else if (start + len > i)
len = i - start;
new_string = (char *)malloc((len + 1) * sizeof(char));
if (!new_string)
return (NULL);
i = -1;
while (++i < len)
new_string[i] = string[start + i];
new_string[i] = 0;
return (new_string);
}
char *line_shift(t_buffer *buffer)
{
char *swap;
char *line;
int new_line;
new_line = ft_strpos(buffer->buffer, '\n');
if (new_line < 0)
return (NULL);
new_line++;
line = ft_substr(buffer->buffer, 0, new_line);
swap = ft_substr(buffer->buffer, new_line, buffer->length - new_line);
free(buffer->buffer);
buffer->buffer = swap;
buffer->length -= new_line;
return (line);
}