code: 9ferno

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update devenv from 9front

--- a/os/pc/bootargs.c

+++ b/os/pc/bootargs.c

@@ -202,4 +202,4 @@

 	for(i = 0; i < nconf; i++){

 		print("	%s=%s\n", confname[i], confval[i]);

 	}

-}

\ No newline at end of file

+}

--- a/os/pc64/main.c

+++ b/os/pc64/main.c

@@ -289,7 +289,7 @@

 	o = p->env;

 	o->fgrp = newfgrp(nil);

-

+	o->egrp = newegrp();

 	o->pgrp = newpgrp();

 	kstrdup(&o->user, eve);

--- a/os/port/devenv.c

+++ b/os/port/devenv.c

@@ -318,20 +318,25 @@

 	qunlock(from);

 }

+/*

+ *  to let the kernel set environment variables

+ *	TODO 9ferno shows both #ec and #e variables for ls '#e' and ls '#ec'

+ */

 void

-ksetenv(char *var, char *val, int)

+ksetenv(char *ename, char *eval, int conf)

 {

 	Chan *c;

 	char buf[2*KNAMELEN];

-	snprint(buf, sizeof(buf), "#e/%s", var);

-	if(waserror())

+	snprint(buf, sizeof(buf), "#e%s/%s", conf?"c":"", ename);

+	if(waserror()){

 		return;

-	c = namec(buf, Acreate, OWRITE, 0600);

+	}

+	c = namec(buf, Acreate, OWRITE, 0666);

 	poperror();

 	if(!waserror()){

 		if(!waserror()){

-			devtab[c->type]->write(c, val, strlen(val), 0);

+			devtab[c->type]->write(c, eval, strlen(eval), 0);

 			poperror();

 		}

 		poperror();