get_next_line.c File Reference

#include "get_next_line.h"
#include "../ft_mem/ft_mem.h"
#include "../ft_vect/ft_vect.h"
#include <unistd.h>
#include <sys/types.h>
#include <stdlib.h>

Include dependency graph for get_next_line.c:

Go to the source code of this file.

Functions
t_gnl_state	gen_gnl_state (int fd, ssize_t cap)
void	dispose_gnl_state (t_gnl_state *state)
static bool	check_and_update_state (t_vect *ret, t_gnl_state *state)
char *	get_next_line (t_gnl_state *state)

Variables
static const t_gnl_state	g_gnl_state_init_val

Function Documentation

check_and_update_state()

static bool check_and_update_state ( t_vect *  ret, t_gnl_state *  state  )

static

Definition at line 57 of file get_next_line.c.

{
    char    *lf_ptr;
    size_t  append_len;
 
    if (state->len == 0)
        return (false);
    lf_ptr = (char *)ft_memchr(state->buf, '\n', state->len);
    if (lf_ptr == NULL)
        append_len = state->len;
    else
        append_len = lf_ptr - state->buf + 1;
    vect_append_str(ret, state->buf, append_len);
    if (lf_ptr != NULL)
    {
        ft_memmove(state->buf, state->buf + append_len,
            state->len - append_len);
        state->len -= append_len;
    }
    else
        state->len = 0;
    return (lf_ptr != NULL);
}

Here is the call graph for this function:

Here is the caller graph for this function:

dispose_gnl_state()

void dispose_gnl_state

(

t_gnl_state *

state

)

Definition at line 49 of file get_next_line.c.

{
    free(state->buf);
    *state = g_gnl_state_init_val;
}

Here is the caller graph for this function:

gen_gnl_state()

t_gnl_state gen_gnl_state	(	int	fd,
		ssize_t	cap
	)

Definition at line 37 of file get_next_line.c.

{
    t_gnl_state state;
 
    state = g_gnl_state_init_val;
    state.buf = ft_calloc(cap, sizeof(char));
    if (state.buf != NULL)
        state.cap = cap;
    state.fd = fd;
    return (state);
}

Here is the call graph for this function:

Here is the caller graph for this function:

get_next_line()

char* get_next_line

(

t_gnl_state *

state

)

Definition at line 81 of file get_next_line.c.

{
    t_vect  ret;
    ssize_t read_result;
 
    if (state == NULL || state->buf == NULL || state->cap == 0)
        return (NULL);
    ret = vect_init(0, sizeof(char));
    if (check_and_update_state(&ret, state))
        return (ret.p);
    while (true)
    {
        read_result = read(state->fd, state->buf, state->cap);
        if (read_result <= 0)
        {
            dispose_gnl_state(state);
            if (ret.len == 0)
                vect_dispose(&ret);
            return (ret.p);
        }
        state->len = read_result;
        if (check_and_update_state(&ret, state))
            return (ret.p);
    }
}

Here is the call graph for this function:

Here is the caller graph for this function:

Variable Documentation

g_gnl_state_init_val

const t_gnl_state g_gnl_state_init_val

static

Initial value:

= {
    
    0,
    
    NULL,
    
    0,
    
    0
}

Definition at line 26 of file get_next_line.c.