On Wed, Jul 28, 2010 at 05:25:31PM -0400, Davidlohr Bueso wrote:
> line: Rewrite of line(1), making the already simple program a bit more readable. It does not need
> a global variable and a function other than main() to do the work.
OK. BTW, I have doubts that someone uses this tool. Maybe we can add
line(1) to the DEPRECATED file. Comments?
> -#include <unistd.h>
> +#include <stdio.h>
> +#include <unistd.h>
>
> -static int status; /* exit status */
> -
> -static void
> -doline(int fd)
> +int main(void)
> {
> char c;
>
> - for (;;) {
> - if (read(fd, &c, 1) <= 0) {
> - status = 1;
> - break;
> + while(1) {
> + if(read(0, &c, 1) <= 0) {
> + perror("read");
> + return 1;
Please, use err(EXIT_FAILURE, "read faild");
> }
> - if (c == '\n')
> +
> + else if(c == '\n')
> break;
> - putchar(c);
> +
> + else
> + printf("%c", c);
> }
> - putchar('\n');
> -}
>
> -int
> -main(int argc, char **argv)
> -{
> - doline(0);
> - return status;
> + printf("\n");
> +
> + return 0;
return EXIT_SUCCES
Karel
--
Karel Zak <kzak@xxxxxxxxxx>
http://karelzak.blogspot.com
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