unit/auto/echo/echo.c
2017-01-17 20:00:00 +03:00

43 lines
673 B
C

/*
* Copyright (C) Igor Sysoev
* Copyright (C) NGINX, Inc.
*
* A portable "echo" program that supports "-n" option:
* echo Hello world!
* echo "Hello world!"
* echo -n Hello world!
* echo
*
* It also passes "\c" characters as is.
*/
#include <stdio.h>
#include <string.h>
int
main(int argc, char *const *argv)
{
int i = 1;
int nl = 1;
if (argc > 1) {
if (strcmp(argv[1], "-n") == 0) {
nl = 0;
i++;
}
while (i < argc) {
printf("%s%s", argv[i], (i == argc - 1) ? "" : " ");
i++;
}
}
if (nl) {
printf("\n");
}
return 0;
}