#include <u.h>#include <libc.h>#include <thread.h>#include <omero.h>#include <error.h>#include <b.h>#include "ox.h" /*  * Runs sam's ecmd on e. */ voideditcmd(Panel* gtext, char* ecmd, char* path){	int	allfile;	Xcmd*	x;	int	efd[2];	char*	text;	long	l;	char	out[512];	char*	tmpf;	char*	cmd;	Sts	s; 	memset(&s, 0, sizeof(s));	getsts(gtext, &s);	tmpf = smprint("/tmp/ox.sam.%ld", truerand()%100);	cmd = smprint("sam -d %s", tmpf);	allfile = (s.ss == s.se);	if (allfile)		wctl(path, "sel all\ncut\n");	else		wctl(path, "cut\n");	text = readfstr("/dev/snarf");	l = strlen(text);	if (createf(tmpf, text, l, 0600) < 0){		free(text);		free(tmpf);		free(cmd);		return;	}	free(text);	x = allocxcmd(nil, "/", cmd, nil);	free(cmd);	pipe(x->infd);	x->outfd[1] = open("/dev/null", OWRITE);	pipe(efd);	x->errfd = efd[1];	x->pidc = chancreate(sizeof(ulong), 0);	procrfork(xcmdproc, x, 16*1024, RFFDG|RFNOTEG);	x->pid = recvul(x->pidc);	chanfree(x->pidc);	close(efd[1]);	close(x->outfd[1]);	close(x->infd[0]);	fprint(x->infd[1], ",\n%s\n", ecmd);	fprint(x->infd[1], "w\n");	close(x->infd[1]);	for(;;){		l = read(efd[0], out, sizeof(out)-1);		if (l <= 0)			break;		out[l] = 0;		dprint("sam output: %s\n", out);	}	close(efd[0]);	freexcmd(x);	text = readfstr(tmpf);	remove(tmpf);	free(tmpf);	writefstr("/dev/snarf", text);	wctl(path, "paste"); 	free(text);}