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Home » Newcomers » Newcomers » Character input(How do I input a character from the keyboard (stdin))

Fri, 14 December 2018 00:38

Eclipse User

I have been trying to input a character from the keyboard using the simple program shown below, with many different variations, but have had no luck.

The program and error is shown below:
/*
* main.c
*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main ()
{
int c;

c = getchar(stdin);

asm ("sld %r1, c");
asm ("halt");
return 0;
}

When the function 'main' is compiled an errer like the one below occurs. Each time it compiles the file after "\\included\\scr\\ is
different even when it is included in the functions 'scr' file

Info: Internal Builder is used for build
"\\xgcc" -O0 -g3 -Wall -c -fmessage-length=0 -o "include\\src\\scanf.o" "..\\include\\src\\scanf.c"
Cannot run program "\xgcc": Launching failed

What am I doing wrong? Any help would be much appreciated.

Re: Character input [message #1799842 is a reply to message #1799809]

Fri, 14 December 2018 10:29

Eclipse User

It's best to ask on the CDT forum: https://www.eclipse.org/forums/eclipse.tools.cdt

It doesn't look like you've configured a toolchain properly. I.e., "\\xgcc" looks kind of bogus to me.

Re: Character input [message #1799849 is a reply to message #1799842]

Fri, 14 December 2018 14:26

Eclipse User

Looking at the embedded assembler code in the snippet, it seems that the poster is attempting a cross-compile, but hides the fact from us.

The code snippet does not make sense, even on bare hardware.

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