code: drawterm

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setmalloctag

--- a/kern/devcons.c

+++ b/kern/devcons.c

@@ -464,6 +464,7 @@

 	Qrandom,

 	Qreboot,

 	Qsecstore,

+	Qshowfile,

 	Qsnarf,

 	Qswap,

 	Qsysname,

@@ -497,6 +498,7 @@

 	"random",	{Qrandom},	0,		0444,

 	"reboot",	{Qreboot},	0,		0664,

 	"secstore",	{Qsecstore},	0,		0666,

+	"showfile",	{Qshowfile},	0,	0220,

 	"snarf",	{Qsnarf},		0,		0666,

 	"swap",		{Qswap},	0,		0664,

 	"sysname",	{Qsysname},	0,		0664,

@@ -914,6 +916,9 @@

 		secstoretab->qid.vers++;

 		memmove(secstorebuf+offset, va, n);

 		return n;

+

+	case Qshowfile:

+		return showfilewrite(a, n);

 	case Qsnarf:

 		if(offset >= SnarfSize || offset+n >= SnarfSize)

--- a/kern/fns.h

+++ b/kern/fns.h

@@ -305,10 +305,11 @@

 void		segpage(Segment*, Page*);

 void		setkernur(Ureg*, Proc*);

 int		setlabel(Label*);

-void		setmalloctag(void*, ulong);

+void		setmalloctag(void*, uintptr);

 void		setrealloctag(void*, ulong);

 void		setregisters(Ureg*, char*, char*, int);

 void		setswapchan(Chan*);

+long		showfilewrite(char*, int);

 char*		skipslash(char*);

 void		sleep(Rendez*, int(*)(void*), void*);

 void*		smalloc(ulong);

--- a/kern/posix.c

+++ b/kern/posix.c

@@ -213,3 +213,9 @@

 	return (t.tv_sec-sec0)*1000+(t.tv_usec-usec0+500)/1000;

 }

+long

+showfilewrite(char *a, int n)

+{

+	error("not implemented");

+	return -1;

+}

--- a/kern/win32.c

+++ b/kern/win32.c

@@ -444,3 +444,27 @@

 {

 	osrerrstr(up->errstr, ERRMAX);

 }

+

+long

+showfilewrite(char *a, int n)

+{

+	Rune *action, *arg, *cmd;

+	static Rune Lopen[] = { 'o', 'p', 'e', 'n', 0 };

+

+	cmd = runesmprint("%.*s", n, a);

+	if(cmd == nil)

+		error("out of memory");

+	if(cmd[runestrlen(cmd)-1] == '\n')

+		cmd[runestrlen(cmd)] = 0;

+	p = runestrchr(cmd, ' ');

+	if(p){

+		action = cmd;

+		*p++ = 0;

+		arg = p;

+	}else{

+		action = Lopen;

+		arg = cmd;

+	}

+	ShellExecute(0, 0, action, arg, 0, SW_SHOWNORMAL);

+	return n;

+}