strcat doesn't join the strings on the same line (in c)

Question

So I'm trying to concatenate two strings but in the output the second string appears on the next line. I want them to be on the same line.

#include <string.h>
#include <stdio.h>
int main()
{
    char str1[50], str2[50];
    fgets(str1, sizeof(str1), stdin);
    fgets(str2, sizeof(str2), stdin);
    strcat(str1, str2);
    printf("%s", str1);
    return 0;
}

`

`fgets` doesn't remove the trailing newline from the string in input. Ps: even if it is not related to your issue, you concat `str2` to `str1` but the latter might not have enough space: what if both the acquired strings are 49 bytes long? The resulting string would be `49*2+1 = 99` bytes long, that won't fit in `str1`. — Roberto Caboni, Oct 11 '20 at 06:37

score 0 · Answer 1 · answered Oct 11 '20 at 06:32

0

The problem is not on strcat, this is fgets which keep the ending '\n' at the end of the string.

To remove this character I suggest you: Removing trailing newline character from fgets() input

answered Oct 11 '20 at 06:32

Robert

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strcat doesn't join the strings on the same line (in c)

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