├── README.md
└── index.c


/README.md:
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1 | # qwasar-My-Readline
2 | tqiqlangan usul ishlatilgan e'tibor beringlar
3 | 


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/index.c:
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 1 | #include <stdio.h>
 2 | #include <stdlib.h>
 3 | #include <unistd.h>
 4 | #include <string.h>
 5 | #include <sys/types.h>
 6 | #include <fcntl.h>
 7 | int READLINE_READ_SIZE = 512;
 8 | 
 9 | void init_my_readline(){
10 |   READLINE_READ_SIZE = 512;
11 | }
12 | 
13 | //function to read a line from a file descriptor
14 | char *my_readline(int fd){
15 |     // uzunlik -- length
16 |   char *line = NULL;
17 |   // ozgaruvchilarni e`lon qilamiz -- we declare variables
18 |   int number_alloc = 0;
19 |   int l = 0;
20 |   char m = 0;
21 |   int readnumber = 0;
22 |   // Bu erda biz tekshirish uchun sikl aylantiramiz -- Here we cycle to check
23 |   for (l = 0; l < READLINE_READ_SIZE; l++){
24 |     
25 |     readnumber = read(fd, &m, 1);
26 |     // agar readnumber teng bo`lsa o ga -- if readnumber is equal to o
27 |     if (readnumber == 0){
28 |         //siklni to`xtat -- stop the cycle
29 |       break;
30 |     }
31 |     //agar readnumber teng bo`lsa -1 ga -- if readnumber is equal to -1
32 |     if (readnumber == -1){
33 |       perror("read");
34 |       exit(EXIT_FAILURE);
35 |     }
36 |     // if (m == '\n')
37 |     // {
38 |     //   break;
39 |     // }
40 |     // agar number_alloc teng bo`lsa 0 ga -- if number_alloc is equal to 0
41 |     if (number_alloc == 0){
42 |       line = malloc(sizeof(char) * READLINE_READ_SIZE);
43 |       //agar line teng bo`lsa NULL ga -- if line is equal to NULL
44 |       if (line == NULL){
45 |         perror("malloc");
46 |         exit(EXIT_FAILURE);
47 |       }
48 |       number_alloc = READLINE_READ_SIZE;
49 |     }
50 | 
51 |     //agar l teng bo`lsa number_alloc dan 1 ni ayirilganiga -- 1 is subtracted from number_alloc if l is equal
52 |     if (l == number_alloc - 1){
53 |         //line ni qiymatini o`zgartirish -- change the value of line
54 |       line = realloc(line, sizeof(char) * (number_alloc + READLINE_READ_SIZE));
55 |       // agar line teng bo`lsa NULL ga -- if line is equal to NULL
56 |       if (line == NULL){
57 |         perror("realloc");
58 |         exit(EXIT_FAILURE);
59 |       }
60 |       // number_alloc ga READLINE_READ_SIZE ni qo`shish -- Add READLINE_READ_SIZE to number_alloc
61 |       number_alloc += READLINE_READ_SIZE;
62 |     }
63 |     // line ni 
64 |     line[l] = m;
65 |   }
66 |   return line;
67 | }
68 | 
69 | int main(int ac, char **av)
70 | {
71 |   char *str = NULL;
72 | 
73 |   int fd = open("./README.md", O_RDONLY);
74 |   while ((str = my_readline(fd)) != NULL)
75 |   {
76 |       printf("%s\n", str);
77 |       free(str);
78 |   }
79 |   close(fd);
80 |   //
81 |   //  Yes it's also working with stdin :-)
82 |   //  printf("%s", my_readline(0));
83 |   //
84 | 
85 |   return 0;
86 | }


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