Re: [dev] I wrote a pager - errno

From: <u_AT_netbeisser.de>
Date: Fri, 16 Sep 2016 18:26:48 +0200

On Fri, Sep 16, 2016 at 11:43:37AM -0400, Greg Reagle wrote:
> On Fri, Sep 16, 2016, at 10:01 AM, Greg Reagle wrote:
> > Greetings. I am running stali in qemu and and it seems to lack a pager.
> > Is it a goal of the suckless project to write a suckless pager for
> > sbase? I see that plan9port already has a pager called "p". What about
> > importing that into 9base?
>
> Since I know that code is king around here, I wrote a pager program. I
> am not an expert C programmer, so I might have done some things wrong.
> But I think it does a good job of being minimalist.
>
> What do you think? Would you like to put it into sbase or stali? If yes
> then I can clone the sbase repo and submit a proper git patch.
>
> #include <errno.h>
> #include <stdio.h>
>
> int main()
> {
> const int page_size = 22;
> int count = 0;
> int ch;
> FILE *tty;
>
> if ((tty = fopen("/dev/tty", "a+")) == NULL)
> return(errno);
>
> ch = getchar();
> while (ch != EOF) {
> putchar(ch);
> if (ch == '\n') {
> ++count;
> if (count >= page_size) {
> fgetc(tty);
> count = 0;
> }
> }
> ch = getchar();
> }
> fclose(tty);
> }

hm, do you really need errno ?
Received on Fri Sep 16 2016 - 18:26:48 CEST