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sortix--sortix/utils/echo.cpp
Jonas 'Sortie' Termansen d7b1dce054 Dumb down echo(1).
Options and escape sequences are fatally incompatible with historic echo
that has no room for such extensions. Instead they pose risk because it is
harder to use echo on unvalidated input safely and because any further
extensions potentially break existing scripts. Use printf(1) instead.
2015-08-22 00:44:39 +02:00

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1.2 KiB
C++

/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2015.
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
echo.cpp
Write arguments to standard output.
*******************************************************************************/
#include <errno.h>
#include <error.h>
#include <stdio.h>
int main(int argc, char* argv[])
{
for ( int i = 1; i < argc; i++ )
{
if ( i != 1 )
putchar(' ');
fputs(argv[i], stdout);
}
putchar('\n');
if ( ferror(stdout) || fflush(stdout) == EOF )
{
error(1, errno, "<stdout>");
return 1;
}
return 0;
}