-
Notifications
You must be signed in to change notification settings - Fork 0
/
get_line.c
84 lines (79 loc) · 1.52 KB
/
get_line.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
#include "main.h"
/**
* get_lines - assigns the line var for get_line
* @linepointerr: Buffer that store the reg_inpute str
* @buffer: str that is been called to line
* @n: size of line
* @j: size of buffer
*/
void get_lines(char **linepointerr, size_t *n, char *buffer, size_t j)
{
if (*linepointerr == NULL)
{
if (j > BUFSIZE)
*n = j;
else
*n = BUFSIZE;
*linepointerr = buffer;
}
else if (*n < j)
{
if (j > BUFSIZE)
*n = j;
else
*n = BUFSIZE;
*linepointerr = buffer;
}
else
{
_strcpy(*linepointerr, buffer);
free(buffer);
}
}
/**
* get_line - Read inpt from stream
* @linepointerr: buffer that stores the reg_inpute
* @n: size of linepointerr
* @stream: stream to read from
* Return: The number of bytes
*/
ssize_t get_line(char **linepointerr, size_t *n, FILE *stream)
{
int i;
static ssize_t reg_inpute;
ssize_t retval;
char *buffer;
char t = 'z';
if (reg_inpute == 0)
fflush(stream);
else
return (-1);
reg_inpute = 0;
buffer = malloc(sizeof(char) * BUFSIZE);
if (buffer == 0)
return (-1);
while (t != '\n')
{
i = read(STDIN_FILENO, &t, 1);
if (i == -1 || (i == 0 && reg_inpute == 0))
{
free(buffer);
return (-1);
}
if (i == 0 && reg_inpute != 0)
{
reg_inpute++;
break;
}
if (reg_inpute >= BUFSIZE)
buffer = _realloc(buffer, reg_inpute, reg_inpute + 1);
buffer[reg_inpute] = t;
reg_inpute++;
}
buffer[reg_inpute] = '\0';
get_lines(linepointerr, n, buffer, reg_inpute);
retval = reg_inpute;
if (i != 0)
reg_inpute = 0;
return (retval);
}