-
Notifications
You must be signed in to change notification settings - Fork 0
/
truncate_string.c
54 lines (44 loc) · 1.09 KB
/
truncate_string.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
#include <stdio.h>
#include <string.h>
#define MAX_LEN 25
int read_string(char *word, int len);
void add_points(char *word, int len);
int main(void)
{
char string[MAX_LEN + 4];
int word_len;
word_len = read_string(string, MAX_LEN + 1);
if (word_len > MAX_LEN)
{
add_points(string, word_len);
}
printf("%s\n", string);
}
/*
read_string: Gets an empty array of characters and
reads characters from stdin into the
array, stoping when the length has been
exceeded or when the new-line character
is entered.
Adds the null char at the end of the
string
returns
*/
int read_string(char *string, int len)
{
int ch, pos;
pos = 0;
while ((ch = getchar()) != '\n' && pos < len)
string[pos++] = ch;
string[pos] = '\0';
return pos;
}
/*
add_points: Adds `...` at the end of a string whose
length exceeds the given string length.
returns;
*/
void add_points(char *string, int len)
{
strcat(string, "...");
}