Plan 9 from Bell Labs’s /usr/web/sources/extra/changes/2007/0413

Copyright © 2021 Plan 9 Foundation.
Distributed under the MIT License.
Download the Plan 9 distribution.


/rc/bin/termrc
% cat >/sys/lib/dist/changes/1176444006.0.txt << EOF
•	Remove local terminal startup settings for inclusion in termrc.local.
•	Condense some rather nasty case / if statements.
EOF
 [geoff] --rwxrwxr-x M 121 glenda sys 1665 Apr 13 02:01 rc/bin/termrc
	/n/sourcesdump/2007/0413/plan9/rc/bin/termrc:1,12 - 
	/n/sources/plan9/rc/bin/termrc:1,5
	- #!/bin/rc -x
	- 
	- # replace FILESERVER with the name of your file server
	- # here we start with kfs, your local disk file system
	- fileserver=kfs
	- # replace CPU with the name of your cpu server
	- cpu=CPU
	- # replace FACEDOM with the local domain to be used in the faces database
	- facedom=FACEDOM
	+ #!/bin/rc
	+ # terminal startup
	  TIMESYNCARGS=(-rLa1000000)
	  NDBFILE=/lib/ndb/local
	  
	/n/sourcesdump/2007/0413/plan9/rc/bin/termrc:15,21 - 
	/n/sources/plan9/rc/bin/termrc:8,13
	  
	  mntgen -s slashn && chmod 666 /srv/slashn
	  
	- 
	  # cs sets sysname
	  ndb/cs -f $NDBFILE
	  sysname=`{cat /dev/sysname}
	/n/sourcesdump/2007/0413/plan9/rc/bin/termrc:38,102 - 
	/n/sources/plan9/rc/bin/termrc:30,78
	  
	  aux/timesync $TIMESYNCARGS
	  
	- switch($terminal){
	- case carrera*
	- 	bind -a '#t' /dev
	- case *' ss'*
	- 	/bin/bind -a '#w' /dev >/dev/null >[2=1]
	- 	/bin/bind -a '#t' /dev >/dev/null >[2=1]
	- case *' magnum'*
	- 	/bin/bind -a '#m' /dev >/dev/null >[2=1]
	- 	/bin/bind -a '#t' /dev >/dev/null >[2=1]
	- 	aux/mouse -dC 0
	- case *' indigo'*
	- 	/bin/bind -a '#L' /dev >/dev/null >[2=1]
	- 	/bin/bind -a '#w1' /dev >/dev/null >[2=1]
	- 	/bin/bind -a '#t' /dev >/dev/null >[2=1]
	- 	/bin/bind -a '#A' /dev >/dev/null >[2=1]
	- case NCR* 'AT&TNSX'* generic* _MP_* 'alpha apc'*
	- 	for(i in H w f t m v L S P U '$' Σ κ)
	- 		/bin/bind -a '#'^$i /dev >/dev/null >[2=1]
	+ # bind all likely devices (#S was bound in boot)
	+ for(i in f t m v L P U '$' Σ κ)
	+ 	/bin/bind -a '#'^$i /dev >/dev/null >[2=1]
	  
	- 	diskparts
	+ diskparts
	  
	- 	if(! ~ `{cat /dev/user} none)
	- 		aux/vmware
	- 	if(~ $mouseport ask){
	- 		echo -n 'mouseport is (ps2, ps2intellimouse, 0, 1, 2)[ps2]: '
	- 		mouseport=`{read}
	- 		if(~ $#mouseport 0)
	- 			mouseport=ps2
	+ # watch this space
	+ 
	+ if(! ~ `{cat /dev/user} none)
	+ 	aux/vmware
	+ if(~ $mouseport ask){
	+ 	echo -n 'mouseport is (ps2, ps2intellimouse, 0, 1, 2)[ps2]: '
	+ 	mouseport=`{read}
	+ 	if(~ $#mouseport 0)
	+ 		mouseport=ps2
	+ }
	+ if(~ $vgasize ask){
	+ 	echo -n 'vgasize [640x480x8]: '
	+ 	vgasize=`{read}
	+ 	if(~ $#vgasize 0)
	+ 		vgasize=640x480x8
	+ }
	+ if(~ $monitor ask){
	+ 	echo -n 'monitor is [xga]: '
	+ 	monitor=`{read}
	+ 	if(~ $#monitor 0)
	+ 		monitor=xga
	+ }
	+ if(test -f /dev/mousectl){
	+ 	switch($mouseport){
	+ 	case ps2 ps2intellimouse 0 1 2
	+ 		aux/mouse $mouseport
	+ 		# parse vgasize into fields
	+ 		vgasize=`{echo $vgasize}
	+ 		if(! ~ $"monitor '' && ! ~ `{cat /dev/user} none)
	+ 			aux/vga -l $vgasize
	+ 		if(~ $accupoint 1)
	+ 			pipefile -dr /bin/aux/accupoint /dev/mouse
	  	}
	- 	if(~ $vgasize ask){
	- 		echo -n 'vgasize [640x480x8]: '
	- 		vgasize=`{read}
	- 		if(~ $#vgasize 0)
	- 			vgasize=640x480x8
	- 	}
	- 	if(~ $monitor ask){
	- 		echo -n 'monitor is [xga]: '
	- 		monitor=`{read}
	- 		if(~ $#monitor 0)
	- 			monitor=xga
	- 	}
	- 	if(test -f /dev/mousectl){
	- 		switch($mouseport){
	- 		case ps2 ps2intellimouse 0 1 2
	- 			aux/mouse $mouseport
	- 			# parse vgasize into fields
	- 			vgasize=`{echo $vgasize}
	- 			if(! ~ $"monitor '' && ! ~ `{cat /dev/user} none)
	- 				aux/vga -l $vgasize
	- 			if(~ $accupoint 1)
	- 				pipefile -dr /bin/aux/accupoint /dev/mouse
	- 		}
	- 	}
	- 	# start up local swapping, mount dos fat fs
	- 	disk=`{ls /dev/sd*/swap >[2]/dev/null}
	- 	if (! ~ $#disk 0) {
	- 		swap $disk(1) >/dev/null >[2=1]
	- 		dossrv
	- 		c:
	- 	}
	- 	rm /env/disk
	  }
	+ 
	+ # start up local swapping
	+ disk=`{ls /dev/sd*/swap >[2]/dev/null}
	+ if (! ~ $#disk 0)
	+ 	swap $disk(1) >/dev/null >[2=1]
	+ rm /env/disk
 [geoff] --rwxrwxr-x M 121 glenda sys 1665 Apr 13 02:01 rc/bin/termrc

/rc/bin/cpurc.local
% cat >/sys/lib/dist/changes/1176444006.1.txt << EOF
Create a new default cpurc.local based on local site settings that were
ripped from the default cpurc
EOF
 [geoff] --rwxrwxr-x M 121 geoff sys 448 Apr 13 18:06 rc/bin/cpurc.local
 [geoff] --rwxrwxr-x M 121 geoff sys 448 Apr 13 18:06 rc/bin/cpurc.local
	/tmp/diff100000003574:0 - 
	/n/sources/plan9/rc/bin/cpurc.local:1,14
	+ #!/bin/rc
	+ # local cpu startup
	+ 
	+ # used only by upas, as default return domain appended to all unqualified
	+ # return addresses, even local ones
	+ site=plan9
	+ # replace FILESERVER with the name of your file server
	+ # here we start with kfs, your local disk file system
	+ fileserver=kfs
	+ # replace FACEDOM with the local domain to be used in the faces database
	+ facedom=FACEDOM
	+ 
	+ # turn on cooperative scheduling (assuming it starts off)
	+ echo coop > /dev/reboot
 [geoff] --rwxrwxr-x M 121 geoff sys 448 Apr 13 18:06 rc/bin/cpurc.local

/rc/bin/termrc.local
% cat >/sys/lib/dist/changes/1176444006.2.txt << EOF
Create a new default cpurc.local based on local site settings that were
ripped from the default cpurc
EOF
 [geoff] --rwxrwxr-x M 121 geoff sys 425 Apr 13 17:34 rc/bin/termrc.local
 [geoff] --rwxrwxr-x M 121 geoff sys 425 Apr 13 17:34 rc/bin/termrc.local
	/tmp/diff100000003615:0 - 
	/n/sources/plan9/rc/bin/termrc.local:1,13
	+ #!/bin/rc
	+ # local terminal startup
	+ 
	+ # used only by upas, as default return domain appended to all unqualified
	+ # return addresses, even local ones
	+ site=plan9
	+ # replace FILESERVER with the name of your file server
	+ # here we start with kfs, your local disk file system
	+ fileserver=kfs
	+ # replace FACEDOM with the local domain to be used in the faces database
	+ facedom=FACEDOM
	+ # replace CPU with the name of your cpu server
	+ cpu=CPU
 [geoff] --rwxrwxr-x M 121 geoff sys 425 Apr 13 17:34 rc/bin/termrc.local

% cat >/sys/lib/dist/changes/1176445806.0.txt << EOF
•	Remove local terminal startup settings for inclusion in cpurc.local.
•	Take some changes mentioned on 9fans about what sections are commented
out and which are not into account.
•	On that note, provide some extra comments on how one might customize
or use cpurc. Step in the right direction; makes using this much more
friendly.
•	Whitespace / spelling / consistency changes
EOF
 [geoff] --rwxrwxr-x M 121 glenda sys 1884 Apr 13 02:13 rc/bin/cpurc
	/n/sourcesdump/2007/0413/plan9/rc/bin/cpurc:1,14 - 
	/n/sources/plan9/rc/bin/cpurc:1,7
	  #!/bin/rc
	- echo -n cpu > /env/service
	+ # cpu server start up
	  date > /env/boottime
	  
	- # replace FILESERVER with the name of your file server
	- # here we start with kfs, your local disk file system
	- fileserver=kfs
	- 
	- # replace FACEDOM with the local domain to be used in the faces database
	- facedom=FACEDOM
	- 
	  # mount points
	  mntgen -s slashn && chmod 666 /srv/slashn
	  
	/n/sourcesdump/2007/0413/plan9/rc/bin/cpurc:15,21 - 
	/n/sources/plan9/rc/bin/cpurc:8,13
	  # name translation, cs sets /dev/sysname
	  ndb/cs
	  sysname=`{cat /dev/sysname}
	- ndb/dns -r
	  
	  # parallelism for mk
	  NPROC = `{wc -l </dev/sysstat}
	/n/sourcesdump/2007/0413/plan9/rc/bin/cpurc:22,32 - 
	/n/sources/plan9/rc/bin/cpurc:14,28
	  
	  prompt=($sysname^'# ' '	')
	  
	- # site specific startup
	+ # site-specific startup
	  if(test -e /rc/bin/cpurc.local)
	  	. /rc/bin/cpurc.local
	  
	- # cpu specific startup
	+ # cpu-specific startup such as
	+ # ip/ipconfig ether /dev/ether0 ip gw ...
	+ # ndb/dns -s
	+ # ip/dhcpd
	+ # ip/tftpd
	  if(test -e /cfg/$sysname/cpurc)
	  	. /cfg/$sysname/cpurc
	  
	/n/sourcesdump/2007/0413/plan9/rc/bin/cpurc:40,49 - 
	/n/sources/plan9/rc/bin/cpurc:36,41
	  if(! grep -s 127.0.0.1 /net/ipselftab)
	  	ip/ipconfig loopback /dev/null 127.1
	  
	- # uncomment the following for booting other systems
	- #ip/dhcpd
	- #ip/tftpd
	- 
	  # If you are on an auth server, start these before listening:
	  #
	  # auth/keyfs -wp -m /mnt/keys /adm/keys >/dev/null >[2=1]
	/n/sourcesdump/2007/0413/plan9/rc/bin/cpurc:61,68 - 
	/n/sources/plan9/rc/bin/cpurc:53,61
	  # start listeners if it hasn't already been done (dicey check)
	  if(! netstat -n | grep -s 'tcp.*Listen.* (7|9|21|22|23|25|110|113|565|993|17007|17009|17010) .*')
	  	aux/listen -q tcp
	- #if(! netstat -n | grep -v 17008 | grep -s il.*Listen)
	- #	aux/listen -q il
	+ # we don't use IL, maybe you do
	+ if(! netstat -n | grep -v 17008 | grep -s il.*Listen)
	+ 	aux/listen -q il
	  
	  if(! ps|grep -s timesync) {
	  	aux/timesync -n pool.ntp.org
	/n/sourcesdump/2007/0413/plan9/rc/bin/cpurc:72,81 - 
	/n/sources/plan9/rc/bin/cpurc:65,74
	  	} &
	  }
	  
	- # cpu specific startup
	- #if(test -e /cfg/$sysname/cpustart)
	- #	. /cfg/$sysname/cpustart
	+ # cpu-specific late startup
	+ if(test -e /cfg/$sysname/cpustart)
	+ 	. /cfg/$sysname/cpustart
	  
	- #echo `{date} $sysname >>/sys/log/boot
	+ # echo `{date} $sysname >>/sys/log/boot
	  
	  exit ''

/sys/lib/man/lookman/index
% cat >/sys/lib/dist/changes/1176485406.0.txt << EOF
Dunno. Looks like the same file to me. Guess it got updated due to the other
manpage updates that were submitted today.
EOF
 [sys] --rw-rw-r-- M 121 glenda sys 1500899 Apr 13 13:32 sys/lib/man/lookman/index
 [sys] --rw-rw-r-- M 121 glenda sys 1500899 Apr 13 13:32 sys/lib/man/lookman/index

/sys/include/ip.h
% cat >/sys/lib/dist/changes/1176499807.0.txt << EOF
•	Fix comment style (more on the // -> /* */ rampage!)
•	s/cntrol/control/
EOF
 [geoff] --rw-rw-r-- M 121 glenda sys 2978 Apr 13 17:22 sys/include/ip.h
	/n/sourcesdump/2007/0413/plan9/sys/include/ip.h:63,69 - 
	/n/sources/plan9/sys/include/ip.h:63,69
	  };
	  
	  /*
	-  *  user level udp headers with cntrol message "oldheaders".
	+  *  user level udp headers with control message "oldheaders".
	   *  this is now considered obsolete.
	   */
	  enum 
	/n/sourcesdump/2007/0413/plan9/sys/include/ip.h:74,87 - 
	/n/sources/plan9/sys/include/ip.h:74,87
	  typedef struct OUdphdr OUdphdr;
	  struct OUdphdr
	  {
	- 	uchar	raddr[IPaddrlen];	/* remote address and port */
	- 	uchar	laddr[IPaddrlen];	/* local address and port */
	- 	uchar	rport[2];
	- 	uchar	lport[2];
	+ 	uchar	raddr[IPaddrlen];	/* V6 remote address */
	+ 	uchar	laddr[IPaddrlen];	/* V6 local address */
	+ 	uchar	rport[2];		/* remote port */
	+ 	uchar	lport[2];		/* local port */
	  };
	  
	  /*
	-  *  user level udp headers with cntrol message "headers"
	+  *  user level udp headers with control message "headers"
	   */
	  enum 
	  {
	/n/sourcesdump/2007/0413/plan9/sys/include/ip.h:91,101 - 
	/n/sources/plan9/sys/include/ip.h:91,100
	  typedef struct Udphdr Udphdr;
	  struct Udphdr
	  {
	- 	uchar	raddr[IPaddrlen];	/* remote address */
	- 	uchar	laddr[IPaddrlen];	/* local address */
	- 	uchar	ifcaddr[IPaddrlen];	/* address of ifc message was received from
	- 					   (only useful on reception) */
	- 	uchar	rport[2];		/* remove port */
	+ 	uchar	raddr[IPaddrlen];	/* V6 remote address */
	+ 	uchar	laddr[IPaddrlen];	/* V6 local address */
	+ 	uchar	ifcaddr[IPaddrlen];	/* V6 ifc addr msg was received on */
	+ 	uchar	rport[2];		/* remote port */
	  	uchar	lport[2];		/* local port */
	  };
	  

/sys/include/mp.h
% cat >/sys/lib/dist/changes/1176499807.1.txt << EOF
•	Fix comment style (more on the // -> /* */ rampage!)
EOF
 [geoff] --rw-rw-r-- M 121 glenda sys 4803 Apr 13 17:18 sys/include/mp.h
	/n/sourcesdump/2007/0413/plan9/sys/include/mp.h:3,19 - 
	/n/sources/plan9/sys/include/mp.h:3,21
	  
	  #define _MPINT 1
	  
	- // the code assumes mpdigit to be at least an int
	- // mpdigit must be an atomic type.  mpdigit is defined
	- // in the architecture specific u.h
	+ /*
	+  * the code assumes mpdigit to be at least an int
	+  * mpdigit must be an atomic type.  mpdigit is defined
	+  * in the architecture specific u.h
	+  */
	  
	  typedef struct mpint mpint;
	  
	  struct mpint
	  {
	- 	int	sign;	// +1 or -1
	- 	int	size;	// allocated digits
	- 	int	top;	// significant digits
	+ 	int	sign;	/* +1 or -1 */
	+ 	int	size;	/* allocated digits */
	+ 	int	top;	/* significant digits */
	  	mpdigit	*p;
	  	char	flags;
	  };
	/n/sourcesdump/2007/0413/plan9/sys/include/mp.h:21,137 - 
	/n/sources/plan9/sys/include/mp.h:23,139
	  enum
	  {
	  	MPstatic=	0x01,
	- 	Dbytes=		sizeof(mpdigit),	// bytes per digit
	- 	Dbits=		Dbytes*8		// bits per digit
	+ 	Dbytes=		sizeof(mpdigit),	/* bytes per digit */
	+ 	Dbits=		Dbytes*8		/* bits per digit */
	  };
	  
	- // allocation
	- void	mpsetminbits(int n);	// newly created mpint's get at least n bits
	- mpint*	mpnew(int n);		// create a new mpint with at least n bits
	+ /* allocation */
	+ void	mpsetminbits(int n);	/* newly created mpint's get at least n bits */
	+ mpint*	mpnew(int n);		/* create a new mpint with at least n bits */
	  void	mpfree(mpint *b);
	- void	mpbits(mpint *b, int n);	// ensure that b has at least n bits
	- void	mpnorm(mpint *b);		// dump leading zeros
	+ void	mpbits(mpint *b, int n);	/* ensure that b has at least n bits */
	+ void	mpnorm(mpint *b);		/* dump leading zeros */
	  mpint*	mpcopy(mpint *b);
	  void	mpassign(mpint *old, mpint *new);
	  
	- // random bits
	+ /* random bits */
	  mpint*	mprand(int bits, void (*gen)(uchar*, int), mpint *b);
	  
	- // conversion
	- mpint*	strtomp(char*, char**, int, mpint*);	// ascii
	+ /* conversion */
	+ mpint*	strtomp(char*, char**, int, mpint*);	/* ascii */
	  int	mpfmt(Fmt*);
	  char*	mptoa(mpint*, int, char*, int);
	- mpint*	letomp(uchar*, uint, mpint*);	// byte array, little-endian
	+ mpint*	letomp(uchar*, uint, mpint*);	/* byte array, little-endian */
	  int	mptole(mpint*, uchar*, uint, uchar**);
	- mpint*	betomp(uchar*, uint, mpint*);	// byte array, little-endian
	+ mpint*	betomp(uchar*, uint, mpint*);	/* byte array, little-endian */
	  int	mptobe(mpint*, uchar*, uint, uchar**);
	- uint	mptoui(mpint*);			// unsigned int
	+ uint	mptoui(mpint*);			/* unsigned int */
	  mpint*	uitomp(uint, mpint*);
	- int	mptoi(mpint*);			// int
	+ int	mptoi(mpint*);			/* int */
	  mpint*	itomp(int, mpint*);
	- uvlong	mptouv(mpint*);			// unsigned vlong
	+ uvlong	mptouv(mpint*);			/* unsigned vlong */
	  mpint*	uvtomp(uvlong, mpint*);
	- vlong	mptov(mpint*);			// vlong
	+ vlong	mptov(mpint*);			/* vlong */
	  mpint*	vtomp(vlong, mpint*);
	  
	- // divide 2 digits by one
	+ /* divide 2 digits by one */
	  void	mpdigdiv(mpdigit *dividend, mpdigit divisor, mpdigit *quotient);
	  
	- // in the following, the result mpint may be
	- // the same as one of the inputs.
	- void	mpadd(mpint *b1, mpint *b2, mpint *sum);	// sum = b1+b2
	- void	mpsub(mpint *b1, mpint *b2, mpint *diff);	// diff = b1-b2
	- void	mpleft(mpint *b, int shift, mpint *res);	// res = b<<shift
	- void	mpright(mpint *b, int shift, mpint *res);	// res = b>>shift
	- void	mpmul(mpint *b1, mpint *b2, mpint *prod);	// prod = b1*b2
	- void	mpexp(mpint *b, mpint *e, mpint *m, mpint *res);	// res = b**e mod m
	- void	mpmod(mpint *b, mpint *m, mpint *remainder);	// remainder = b mod m
	+ /* in the following, the result mpint may be */
	+ /* the same as one of the inputs. */
	+ void	mpadd(mpint *b1, mpint *b2, mpint *sum);	/* sum = b1+b2 */
	+ void	mpsub(mpint *b1, mpint *b2, mpint *diff);	/* diff = b1-b2 */
	+ void	mpleft(mpint *b, int shift, mpint *res);	/* res = b<<shift */
	+ void	mpright(mpint *b, int shift, mpint *res);	/* res = b>>shift */
	+ void	mpmul(mpint *b1, mpint *b2, mpint *prod);	/* prod = b1*b2 */
	+ void	mpexp(mpint *b, mpint *e, mpint *m, mpint *res);	/* res = b**e mod m */
	+ void	mpmod(mpint *b, mpint *m, mpint *remainder);	/* remainder = b mod m */
	  
	- // quotient = dividend/divisor, remainder = dividend % divisor
	+ /* quotient = dividend/divisor, remainder = dividend % divisor */
	  void	mpdiv(mpint *dividend, mpint *divisor,  mpint *quotient, mpint *remainder);
	  
	- // return neg, 0, pos as b1-b2 is neg, 0, pos
	+ /* return neg, 0, pos as b1-b2 is neg, 0, pos */
	  int	mpcmp(mpint *b1, mpint *b2);
	  
	- // extended gcd return d, x, and y, s.t. d = gcd(a,b) and ax+by = d
	+ /* extended gcd return d, x, and y, s.t. d = gcd(a,b) and ax+by = d */
	  void	mpextendedgcd(mpint *a, mpint *b, mpint *d, mpint *x, mpint *y);
	  
	- // res = b**-1 mod m
	+ /* res = b**-1 mod m */
	  void	mpinvert(mpint *b, mpint *m, mpint *res);
	  
	- // bit counting
	- int	mpsignif(mpint*);	// number of sigificant bits in mantissa
	- int	mplowbits0(mpint*);	// k, where n = 2**k * q for odd q
	+ /* bit counting */
	+ int	mpsignif(mpint*);	/* number of sigificant bits in mantissa */
	+ int	mplowbits0(mpint*);	/* k, where n = 2**k * q for odd q */
	  
	- // well known constants
	+ /* well known constants */
	  extern mpint	*mpzero, *mpone, *mptwo;
	  
	- // sum[0:alen] = a[0:alen-1] + b[0:blen-1]
	- // prereq: alen >= blen, sum has room for alen+1 digits
	+ /* sum[0:alen] = a[0:alen-1] + b[0:blen-1] */
	+ /* prereq: alen >= blen, sum has room for alen+1 digits */
	  void	mpvecadd(mpdigit *a, int alen, mpdigit *b, int blen, mpdigit *sum);
	  
	- // diff[0:alen-1] = a[0:alen-1] - b[0:blen-1]
	- // prereq: alen >= blen, diff has room for alen digits
	+ /* diff[0:alen-1] = a[0:alen-1] - b[0:blen-1] */
	+ /* prereq: alen >= blen, diff has room for alen digits */
	  void	mpvecsub(mpdigit *a, int alen, mpdigit *b, int blen, mpdigit *diff);
	  
	- // p[0:n] += m * b[0:n-1]
	- // prereq: p has room for n+1 digits
	+ /* p[0:n] += m * b[0:n-1] */
	+ /* prereq: p has room for n+1 digits */
	  void	mpvecdigmuladd(mpdigit *b, int n, mpdigit m, mpdigit *p);
	  
	- // p[0:n] -= m * b[0:n-1]
	- // prereq: p has room for n+1 digits
	+ /* p[0:n] -= m * b[0:n-1] */
	+ /* prereq: p has room for n+1 digits */
	  int	mpvecdigmulsub(mpdigit *b, int n, mpdigit m, mpdigit *p);
	  
	- // p[0:alen*blen-1] = a[0:alen-1] * b[0:blen-1]
	- // prereq: alen >= blen, p has room for m*n digits
	+ /* p[0:alen*blen-1] = a[0:alen-1] * b[0:blen-1] */
	+ /* prereq: alen >= blen, p has room for m*n digits */
	  void	mpvecmul(mpdigit *a, int alen, mpdigit *b, int blen, mpdigit *p);
	  
	- // sign of a - b or zero if the same
	+ /* sign of a - b or zero if the same */
	  int	mpveccmp(mpdigit *a, int alen, mpdigit *b, int blen);
	  
	- // divide the 2 digit dividend by the one digit divisor and stick in quotient
	- // we assume that the result is one digit - overflow is all 1's
	+ /* divide the 2 digit dividend by the one digit divisor and stick in quotient */
	+ /* we assume that the result is one digit - overflow is all 1's */
	  void	mpdigdiv(mpdigit *dividend, mpdigit divisor, mpdigit *quotient);
	  
	- // playing with magnitudes
	+ /* playing with magnitudes */
	  int	mpmagcmp(mpint *b1, mpint *b2);
	- void	mpmagadd(mpint *b1, mpint *b2, mpint *sum);	// sum = b1+b2
	- void	mpmagsub(mpint *b1, mpint *b2, mpint *sum);	// sum = b1+b2
	+ void	mpmagadd(mpint *b1, mpint *b2, mpint *sum);	/* sum = b1+b2 */
	+ void	mpmagsub(mpint *b1, mpint *b2, mpint *sum);	/* sum = b1+b2 */
	  
	- // chinese remainder theorem
	- typedef struct CRTpre	CRTpre;		// precomputed values for converting
	- 					//  twixt residues and mpint
	- typedef struct CRTres	CRTres;		// residue form of an mpint
	+ /* chinese remainder theorem */
	+ typedef struct CRTpre	CRTpre;		/* precomputed values for converting */
	+ 					/*  twixt residues and mpint */
	+ typedef struct CRTres	CRTres;		/* residue form of an mpint */
	  
	  struct CRTres
	  {
	- 	int	n;		// number of residues
	- 	mpint	*r[1];		// residues
	+ 	int	n;		/* number of residues */
	+ 	mpint	*r[1];		/* residues */
	  };
	  
	- CRTpre*	crtpre(int, mpint**);			// precompute conversion values
	- CRTres*	crtin(CRTpre*, mpint*);			// convert mpint to residues
	- void	crtout(CRTpre*, CRTres*, mpint*);	// convert residues to mpint
	+ CRTpre*	crtpre(int, mpint**);			/* precompute conversion values */
	+ CRTres*	crtin(CRTpre*, mpint*);			/* convert mpint to residues */
	+ void	crtout(CRTpre*, CRTres*, mpint*);	/* convert residues to mpint */
	  void	crtprefree(CRTpre*);
	  void	crtresfree(CRTres*);
	  
/sys/src/cmd/cwfs/9p1.c
% cat >/sys/lib/dist/changes/1176501605.1.txt << EOF
This is a pointer, so let's not cast it as such since we have a type for it.
EOF
 [geoff] --rw-rw-r-- M 121 geoff sys 29749 Apr 13 17:35 sys/src/cmd/cwfs/9p1.c
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/cwfs/9p1.c:37,43 - 
	/n/sources/plan9/sys/src/cmd/cwfs/9p1.c:37,43
	  {
	  	int i;
	  
	- 	srand((ulong)aip + time(nil));
	+ 	srand((uintptr)aip + time(nil));
	  	for(i = 0; i < CHALLEN; i++)
	  		aip->chal[i] = nrand(256);
	  
 [geoff] --rw-rw-r-- M 121 geoff sys 5842 Apr 13 17:35 sys/src/cmd/cwfs/auth.c
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/cwfs/auth.c:141,147 - 
	/n/sources/plan9/sys/src/cmd/cwfs/auth.c:141,147
	  	int i;
	  
	  if(*why)print("authentication failed: %s: %s\n", phasename[s->phase], why);
	- 	srand((ulong)s + time(nil));
	+ 	srand((uintptr)s + time(nil));
	  	for(i = 0; i < CHALLEN; i++)
	  		s->tr.chal[i] = nrand(256);
	  	s->uid = -1;
 [geoff] --rw-rw-r-- M 121 geoff sys 4722 Apr 13 17:34 sys/src/cmd/cwfs/iobuf.c
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/cwfs/iobuf.c:15,21 - 
	/n/sources/plan9/sys/src/cmd/cwfs/iobuf.c:15,21
	  
	  	if(DEBUG)
	  		print("getbuf %Z(%lld) f=%x\n", d, (Wideoff)addr, flag);
	- 	h = addr + (Off)d*1009;
	+ 	h = addr + (Off)(uintptr)d*1009;
	  	if(h < 0)
	  		h = ~h;
	  	h %= nhiob;
 [geoff] --rw-rw-r-- M 121 geoff sys 28859 Apr 13 17:35 sys/src/cmd/cwfs/juke.c
 [geoff] --rw-rw-r-- M 121 geoff sys 24371 Apr 13 17:34 sys/src/cmd/cwfs/sub.c
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/cwfs/sub.c:116,122 - 
	/n/sources/plan9/sys/src/cmd/cwfs/sub.c:116,122
	  	if(fid == NOFID)
	  		return 0;
	  
	- 	h = (long)cp + fid;
	+ 	h = (long)(uintptr)cp + fid;
	  	if(h < 0)
	  		h = ~h;
	  	h %= nelem(flist);
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/cwfs/sub.c:201,207 - 
	/n/sources/plan9/sys/src/cmd/cwfs/sub.c:201,207
	  	if(!fp || !(cp = fp->cp))
	  		return;
	  
	- 	h = (long)cp + fp->fid;
	+ 	h = (long)(uintptr)cp + fp->fid;
	  	if(h < 0)
	  		h = ~h;
	  	h %= nelem(flist);

/sys/src/cmd/fossil/cache.c
% cat >/sys/lib/dist/changes/1176501605.6.txt << EOF
We know that the I/O error is in reading, so we should specify so.
EOF
 [geoff] --rw-rw-r-- M 121 rsc sys 43930 Apr 13 17:36 sys/src/cmd/fossil/cache.c
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/fossil/cache.c:462,468 - 
	/n/sources/plan9/sys/src/cmd/fossil/cache.c:462,468
	  			return nil;
	  		case BioReadError:
	  			blockPut(b);
	- 			vtSetError("i/o error block 0x%.8ux", addr);
	+ 			vtSetError("error reading block 0x%.8ux", addr);
	  			return nil;
	  		}
	  	}
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/fossil/cache.c:577,583 - 
	/n/sources/plan9/sys/src/cmd/fossil/cache.c:577,583
	  		case BioReadError:
	  			blockSetIOState(b, BioEmpty);
	  			blockPut(b);
	- 			vtSetError("i/o error block 0x%.8ux", addr);
	+ 			vtSetError("error reading block 0x%.8ux", addr);
	  			return nil;
	  		}
	  	}
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/fossil/cache.c:681,687 - 
	/n/sources/plan9/sys/src/cmd/fossil/cache.c:681,689
	  		if(n < 0 || !vtSha1Check(score, b->data, n)){
	  			blockSetIOState(b, BioVentiError);
	  			blockPut(b);
	- 			vtSetError("venti i/o error block %V: %r", score);
	+ 			vtSetError(
	+ 			"venti error reading block %V or wrong score: %r",
	+ 				score);
	  			return nil;
	  		}
	  		vtZeroExtend(vtType[type], b->data, n, c->size);
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/fossil/cache.c:691,701 - 
	/n/sources/plan9/sys/src/cmd/fossil/cache.c:693,703
	  		return b;
	  	case BioVentiError:
	  		blockPut(b);
	- 		vtSetError("venti i/o error block %V", score);
	+ 		vtSetError("venti i/o error or wrong score, block %V", score);
	  		return nil;
	  	case BioReadError:
	  		blockPut(b);
	- 		vtSetError("i/o error block %V", b->score);
	+ 		vtSetError("error reading block %V", b->score);
	  		return nil;
	  	}
	  	/* NOT REACHED */

/sys/man/3/sd
% cat >/sys/lib/dist/changes/1176503406.1.txt << EOF
We should define LUNs at its first usage.
EOF
 [geoff] --rw-rw-r-- M 121 glenda sys 5678 Apr 13 18:09 sys/man/3/sd
	/n/sourcesdump/2007/0413/plan9/sys/man/3/sd:241,248 - 
	/n/sources/plan9/sys/man/3/sd:241,249
	  .SH BUGS
	  Still in development.
	  .PP
	+ LUNs (logical unit numbers) are not implemented.
	  For (S)ATA drives,
	- LUNs (logical unit numbers) are not merely ignored but are actively
	+ LUNs are not merely ignored but are actively
	  prevented from working except for INQUIRY commands.
	  .PP
	  The 4 controller limit for ATA(PI) is not enforced.

/sys/man/8/ipconfig /sys/src/cmd/ip/ipconfig.c
% cat >/sys/lib/dist/changes/1176503406.2.txt << EOF
•	Alphabetize options
•	Fix section formatting
•	More massive // to /* */! Yay.
•	Apparently, we're still too lazy to mail presotto a corrected array.
•	Fix usage()
•	Make ARGF usage consistent
•	Whitespace changes
•	Do extra argument checking and display usage() if it fails (mostly IP
parsing)

EOF
 [geoff] --rw-rw-r-- M 121 glenda sys 6209 Apr 13 18:13 sys/man/8/ipconfig
	/n/sourcesdump/2007/0413/plan9/sys/man/8/ipconfig:3,9 - 
	/n/sources/plan9/sys/man/8/ipconfig:3,9
	  ipconfig, rip \- Internet configuration and routing
	  .SH SYNOPSIS
	  .B ip/ipconfig
	- .RB [ -NDGPOdnpr ]
	+ .RB [ -DGNOPdnpr ]
	  .RB [ -b
	  .IR baud ]
	  .RB [ -c
	/n/sourcesdump/2007/0413/plan9/sys/man/8/ipconfig:20,25 - 
	/n/sources/plan9/sys/man/8/ipconfig:20,27
	  .IR dhcpoption ]
	  .I type
	  .I device
	+ .br
	+ .ti +0.5i
	  .RI [ verb ]
	  .RI [ local-addr ]
	  .RI [ mask ]
	/n/sourcesdump/2007/0413/plan9/sys/man/8/ipconfig:69,74 - 
	/n/sources/plan9/sys/man/8/ipconfig:71,77
	  The verb (default
	  .IR add )
	  determines the action performed.  The verbs are:
	+ .TF remove
	  .TP
	  .B add
	  if the device is not bound to the IP stack, bind it.
	/n/sourcesdump/2007/0413/plan9/sys/man/8/ipconfig:81,97 - 
	/n/sources/plan9/sys/man/8/ipconfig:84,98
	  .B unbind
	  unbind the device interface and all its addresses from the
	  IP stack.
	+ .PD
	  .PP
	  The options are:
	+ .TF M
	+ .PD
	  .TP
	  .B D
	  turn on debugging.
	  .TP
	- .B N
	- look in /lib/ndb for the IP parameters.  This only works if the
	- interface is an ethernet.  It uses the ethernet address to find
	- a matching entry.
	- .TP
	  .B G
	  use only generic DHCP options.  Without this option,
	  .I ipconfig
	/n/sourcesdump/2007/0413/plan9/sys/man/8/ipconfig:102,107 - 
	/n/sources/plan9/sys/man/8/ipconfig:103,115
	  Replies to these options contain a list of IP addresses for possible
	  file servers and auth servers.
	  .TP
	+ .B N
	+ look in
	+ .B /lib/ndb
	+ for the IP parameters.  This only works if the
	+ interface is an ethernet.  It uses the ethernet address to find
	+ a matching entry.
	+ .TP
	  .B p
	  write configuration information to
	  .BR /net/ndb ,
	/n/sourcesdump/2007/0413/plan9/sys/man/8/ipconfig:163,184 - 
	/n/sources/plan9/sys/man/8/ipconfig:171,195
	  result will appear in
	  .B /net/ndb
	  should this be the first interface.  The known options are:
	- .EX
	-   ipmask, timeoff, ipgw, time, name, dns, log, cookie,
	-   lpr, impress, rl, sys, bflen, dumpfile, dom, swap,
	-   rootpath, extpath, ipforward, nonlocal, policyfilter,
	-   maxdatagram, ttl, pathtimeout, pathplateau, mtu,
	-   subnetslocal, baddr, discovermask, supplymask,
	-   discoverrouter, rs, staticroutes, trailerencap,
	-   arptimeout, etherencap, tcpttl, tcpka, tcpkag,
	-   nisdomain, ni, ntp, netbiosns, netbiosdds,
	-   netbiostype, netbiosscope, xfont, xdispmanager,
	-   nisplusdomain, nisplus, homeagent, smtp, pop3, nntp,
	-   www, finger, irc, st, stdar, ipaddr, lease,
	-   overload, type, serverid, params, message, maxmsg,
	-   renewaltime, rebindingtime, vendorclass, clientid,
	-   tftp, bootfile
	- .EE
	+ .TP 0.5i
	+ \&
	+ .ft CW
	+ ipmask, timeoff, ipgw, time, name, dns, log, cookie,
	+ lpr, impress, rl, sys, bflen, dumpfile, dom, swap,
	+ rootpath, extpath, ipforward, nonlocal, policyfilter,
	+ maxdatagram, ttl, pathtimeout, pathplateau, mtu,
	+ subnetslocal, baddr, discovermask, supplymask,
	+ discoverrouter, rs, staticroutes, trailerencap,
	+ arptimeout, etherencap, tcpttl, tcpka, tcpkag,
	+ nisdomain, ni, ntp, netbiosns, netbiosdds,
	+ netbiostype, netbiosscope, xfont, xdispmanager,
	+ nisplusdomain, nisplus, homeagent, smtp, pop3, nntp,
	+ www, finger, irc, st, stdar, ipaddr, lease,
	+ overload, type, serverid, params, message, maxmsg,
	+ renewaltime, rebindingtime, vendorclass, clientid,
	+ tftp, bootfile
	+ .PD
	+ .LP
	  The options
	  .BR ipmask ,
	  .BR ipgw ,
	/n/sourcesdump/2007/0413/plan9/sys/man/8/ipconfig:187,198 - 
	/n/sources/plan9/sys/man/8/ipconfig:198,210
	  and
	  .B ntp
	  are always requested.
	+ .TF M
	+ .PD
	  .TP
	  .B O
	  addresses specified on the command line override those obtained
	  via DHCP.
	  A command line address of 0 implies no override.
	- .PD
	  .PP
	  If DHCP is requested, a process is forked
	  off to renew the lease before it
 [geoff] --rw-rw-r-- M 121 glenda sys 35429 Apr 13 18:14 sys/src/cmd/ip/ipconfig.c
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:21,27 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:21,27
	  
	  Ipifc	*ifc;
	  
	- // possible verbs
	+ /* possible verbs */
	  enum
	  {
	  	Vadd,
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:33,45 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:33,45
	  };
	  
	  struct {
	- 	// locally generated
	+ 	/* locally generated */
	  	char	*type;
	  	char	*dev;
	  	char	mpoint[32];
	- 	int	cfd;			// ifc control channel
	+ 	int	cfd;			/* ifc control channel */
	  	char	*cputype;
	- 	uchar	hwa[32];		// hardware address
	+ 	uchar	hwa[32];		/* hardware address */
	  	int	hwatype;
	  	int	hwalen;
	  	uchar	cid[32];
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:46,52 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:46,52
	  	int	cidlen;
	  	char	*baud;
	  
	- 	// learned info
	+ 	/* learned info */
	  	uchar	gaddr[IPaddrlen];
	  	uchar	laddr[IPaddrlen];
	  	uchar	mask[IPaddrlen];
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:57,63 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:57,63
	  	uchar	ntp[IPaddrlen];
	  	int	mtu;
	  
	- 	// dhcp specific
	+ 	/* dhcp specific */
	  	int	state;
	  	int	fd;
	  	ulong	xid;
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:89,97 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:89,99
	  	int	type;
	  };
	  
	- // I was too lazy to look up the types for each of these
	- // options.  If someone feels like it, please mail me a
	- // corrected array -- presotto
	+ /*
	+  * I was too lazy to look up the types for each of these
	+  * options.  If someone feels like it, please mail me a
	+  * corrected array -- presotto
	+  */
	  Option option[256] =
	  {
	  [OBmask]		{ "ipmask",		Taddr },
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:236,242 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:238,246
	  void
	  usage(void)
	  {
	- 	fprint(2, "usage: %s [-ndDrGX] [-x netmtpt] [-m mtu] [-b baud] [-g gateway] [-h hostname] [-c control-string]* type device [verb] [localaddr [mask [remoteaddr [fsaddr [authaddr]]]]]\n", argv0);
	+ 	fprint(2,
	+ "usage: %s [-ndDrGX] [-x netmtpt] [-m mtu] [-b baud] [-g gateway] [-h hostname] [-c ctlmsg]* type device [verb] [localaddr [mask [remoteaddr [fsaddr [authaddr]]]]]\n",
	+ 		argv0);
	  	exits("usage");
	  }
	  
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:261,267 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:265,271
	  	retry = 0;
	  	ctll = &firstctl;
	  
	- 	// init set of requested parameters with the default
	+ 	/* init set of requested parameters with the default */
	  	nrequested = sizeof(defrequested);
	  	memcpy(requested, defrequested, nrequested);
	  
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:284,298 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:288,296
	  	case 'P':
	  		beprimary = 0;
	  	case 'b':
	- 		p = ARGF();
	- 		if(p == nil)
	- 			usage();
	- 		conf.baud = p;
	+ 		conf.baud = EARGF(usage());
	  		break;
	  	case 'c':
	- 		p = ARGF();
	- 		if(p == nil)
	- 			usage();
	  		cp = malloc(sizeof(*cp));
	  		if(cp == nil)
	  			sysfatal("%r");
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:299,320 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:297,314
	  		*ctll = cp;
	  		ctll = &cp->next;
	  		cp->next = nil;
	- 		cp->ctl = p;
	+ 		cp->ctl = EARGF(usage());
	  		break;
	  	case 'd':
	  		dodhcp = 1;
	  		break;
	  	case 'g':
	- 		p = ARGF();
	- 		if(p == nil)
	+ 		if (parseip(conf.gaddr, EARGF(usage())) == -1)
	  			usage();
	- 		parseip(conf.gaddr, p);
	  		break;
	  	case 'h':
	- 		p = ARGF();
	- 		if(p == nil)
	- 			usage();
	- 		snprint(conf.hostname, sizeof(conf.hostname), "%s", p);
	+ 		snprint(conf.hostname, sizeof conf.hostname, "%s",
	+ 			EARGF(usage()));
	  		sendhostname = 1;
	  		break;
	  	case 'n':
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:321,350 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:315,341
	  		noconfig = 1;
	  		break;
	  	case 'm':
	- 		p = ARGF();
	- 		if(p == nil)
	- 			usage();
	- 		conf.mtu = atoi(p);
	+ 		conf.mtu = atoi(EARGF(usage()));
	  		break;
	  	case 'r':
	  		retry = 1;
	  		break;
	  	case 'x':
	- 		p = ARGF();
	- 		if(p == nil)
	- 			usage();
	- 		setnetmtpt(conf.mpoint, sizeof(conf.mpoint), p);
	+ 		setnetmtpt(conf.mpoint, sizeof conf.mpoint, EARGF(usage()));
	  		break;
	  	case 'X':
	  		nodhcpwatch = 1;
	  		break;
	  	case 'o':
	- 		if(addoption(ARGF()) < 0)
	+ 		if(addoption(EARGF(usage())) < 0)
	  			usage();
	  		break;
	+ 	default:
	+ 		usage();
	+ 		break;
	  	} ARGEND;
	  
	- 	// default to any host name we already have
	+ 	/* default to any host name we already have */
	  	if(*conf.hostname == 0){
	  		p = getenv("sysname");
	  		if(p == nil || *p == 0)
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:351,364 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:342,355
	  			p = sysname();
	  		if(p != nil)
	  			strncpy(conf.hostname, p, sizeof(conf.hostname)-1);
	- 	}		
	+ 	}
	  
	- 	// default
	+ 	/* default */
	  	conf.type = "ether";
	  	conf.dev = "/net/ether0";
	  	action = Vadd;
	  
	- 	// get verb, default is "add"
	+ 	/* get verb, default is "add" */
	  	while(argc > 0){
	  		verb = parseverb(argv[0]);
	  		switch(verb){
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:382,405 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:373,406
	  		argc--, argv++;
	  	}
	  
	- 	// get addresses
	+ 	/* get addresses */
	  	switch(argc){
	  	case 5:
	- 		parseip(conf.auth, argv[4]);
	+ 		if (parseip(conf.auth, argv[4]) == -1)
	+ 			usage();
	  		/* fall through */
	  	case 4:
	- 		parseip(conf.fs, argv[3]);
	+ 		if (parseip(conf.fs, argv[3]) == -1)
	+ 			usage();
	  		/* fall through */
	  	case 3:
	- 		parseip(conf.raddr, argv[2]);
	+ 		if (parseip(conf.raddr, argv[2]) == -1)
	+ 			usage();
	  		/* fall through */
	  	case 2:
	  		if(strcmp(argv[1], "0") != 0)
	- 			parseipmask(conf.mask, argv[1]);
	+ 			if (parseipmask(conf.mask, argv[1]) == -1)
	+ 				usage();
	  		/* fall through */
	  	case 1:
	- 		parseip(conf.laddr, argv[0]);
	+ 		if (parseip(conf.laddr, argv[0]) == -1)
	+ 			usage();
	  		break;
	+ 	case 0:
	+ 		break;
	+ 	default:
	+ 		usage();
	+ 		break;
	  	}
	  
	  	switch(action){
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:439,450 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:440,451
	  {
	  	int tries;
	  
	- 	// get number of preexisting interfaces
	+ 	/* get number of preexisting interfaces */
	  	nip = nipifcs(conf.mpoint);
	  	if(beprimary == -1 && (nip == 0 || !havendb(conf.mpoint)))
	  		beprimary = 1;
	  
	- 	// get ipifc into name space and condition device for ip
	+ 	/* get ipifc into name space and condition device for ip */
	  	if(!noconfig){
	  		lookforip(conf.mpoint);
	  		controldevice();
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:458,464 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:459,465
	  			dodhcp = 1;
	  	}
	  
	- 	// run dhcp if we need something
	+ 	/* run dhcp if we need something */
	  	if(dodhcp){
	  		mkclientid();
	  		for(tries = 0; tries < 6; tries++){
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:487,493 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:488,494
	  			dhcpwatch(0);
	  	}
	  
	- 	// leave everything we've learned somewhere other procs can find it
	+ 	/* leave everything we've learned somewhere other procs can find it */
	  	if(beprimary == 1){
	  		putndb();
	  		tweakservers();
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:555,561 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:556,562
	  	}
	  }
	  
	- // set the default route
	+ /* set the default route */
	  void
	  adddefroute(char *mpoint, uchar *gaddr)
	  {
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:573,579 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:574,580
	  	close(cfd);
	  }
	  
	- // create a client id
	+ /* create a client id */
	  void
	  mkclientid(void)
	  {
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:591,597 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:592,598
	  	}
	  }
	  
	- // bind ip into the namespace
	+ /* bind ip into the namespace */
	  void
	  lookforip(char *net)
	  {
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:603,609 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:604,610
	  	sysfatal("no ip stack bound onto %s", net);
	  }
	  
	- // send some ctls to a device
	+ /* send some ctls to a device */
	  void
	  controldevice(void)
	  {
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:628,636 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:629,638
	  			sysfatal("ctl message %s: %r", cp->ctl);
	  		seek(fd, 0, 0);
	  	}
	+ //	close(fd);		/* or does it need to be left hanging? */
	  }
	  
	- // bind an ip stack to a device, leave the control channel open
	+ /* bind an ip stack to a device, leave the control channel open */
	  void
	  binddevice(void)
	  {
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:637,653 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:639,655
	  	char buf[256];
	  
	  	if(myifc < 0){
	- 		// get a new ip interface
	+ 		/* get a new ip interface */
	  		snprint(buf, sizeof(buf), "%s/ipifc/clone", conf.mpoint);
	  		conf.cfd = open(buf, ORDWR);
	  		if(conf.cfd < 0)
	  			sysfatal("opening %s/ipifc/clone: %r", conf.mpoint);
	  
	- 		// specify the medium as an ethernet, and bind the interface to it
	+ 		/* specify the medium as an ethernet, and bind the interface to it */
	  		if(fprint(conf.cfd, "bind %s %s", conf.type, conf.dev) < 0)
	  			sysfatal("binding device: %r");
	  	} else {
	- 		// open the old interface
	+ 		/* open the old interface */
	  		snprint(buf, sizeof(buf), "%s/ipifc/%d/ctl", conf.mpoint, myifc);
	  		conf.cfd = open(buf, ORDWR);
	  		if(conf.cfd < 0)
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:656,662 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:658,664
	  
	  }
	  
	- // add a logical interface to the ip stack
	+ /* add a logical interface to the ip stack */
	  int
	  ipconfig(void)
	  {
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:690,696 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:692,698
	  	return 0;
	  }
	  
	- // remove a logical interface to the ip stack
	+ /* remove a logical interface to the ip stack */
	  void
	  ipunconfig(void)
	  {
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:713,719 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:715,721
	  	ipmove(conf.raddr, IPnoaddr);
	  	ipmove(conf.mask, IPnoaddr);
	  
	- 	// forget configuration info
	+ 	/* forget configuration info */
	  	if(beprimary==1)
	  		writendb("", 0, 0);
	  }
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:739,745 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:741,747
	  	}
	  	notify(ding);
	  
	- 	// try dhcp for 10 seconds
	+ 	/* try dhcp for 10 seconds */
	  	conf.xid = lrand();
	  	conf.starttime = time(0);
	  	conf.state = startstate;
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:789,795 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:791,797
	  		break;
	  	}
	  
	- 	// keep trying to renew the lease
	+ 	/* keep trying to renew the lease */
	  	for(;;){
	  		if(conf.lease == 0)
	  			secs = 5;
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:796,802 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:798,804
	  		else
	  			secs = conf.lease>>1;
	  
	- 		// avoid overflows
	+ 		/* avoid overflows */
	  		for(s = secs; s > 0; s -= t){
	  			if(s > MAXSLEEP)
	  				t = MAXSLEEP;
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:806,813 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:808,817
	  		}
	  
	  		if(conf.lease > 0){
	- 			// during boot, the starttime can be bogus so avoid
	- 			// spurious ipinconfig's
	+ 			/*
	+ 			 * during boot, the starttime can be bogus so avoid
	+ 			 * spurious ipinconfig's
	+ 			 */
	  			t = time(0) - conf.starttime;
	  			if(t > (3*secs)/2)
	  				t = secs;
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:827,833 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:831,837
	  				sysfatal("can't start ip: %r");
	  			needconfig = 0;
	  
	- 			// leave everything we've learned somewhere other procs can find it
	+ 			/* leave everything we've learned somewhere other procs can find it */
	  			if(beprimary==1){
	  				putndb();
	  				tweakservers();
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:919,925 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:923,929
	  	default:
	  		sysfatal("dhcpsend: unknown message type: %d", type);
	  	case Discover:
	- 		ipmove(up->raddr, IPv4bcast);	// broadcast
	+ 		ipmove(up->raddr, IPv4bcast);	/* broadcast */
	  		if(*conf.hostname && sendhostname)
	  			p = optaddstr(p, OBhostname, conf.hostname);
	  		if(plan9){
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:937,947 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:941,951
	  			v6tov4(bp.ciaddr, conf.laddr);
	  			break;
	  		case Srebinding:
	- 			ipmove(up->raddr, IPv4bcast);	// broadcast
	+ 			ipmove(up->raddr, IPv4bcast);	/* broadcast */
	  			v6tov4(bp.ciaddr, conf.laddr);
	  			break;
	  		case Srequesting:
	- 			ipmove(up->raddr, IPv4bcast);	// broadcast
	+ 			ipmove(up->raddr, IPv4bcast);	/* broadcast */
	  			p = optaddaddr(p, ODipaddr, conf.laddr);
	  			p = optaddaddr(p, ODserverid, conf.server);
	  			break;
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:954,960 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:958,964
	  		p = optaddvec(p, ODparams, requested, nrequested);
	  		if(*conf.hostname && sendhostname)
	  			p = optaddstr(p, OBhostname, conf.hostname);
	- 		break;	
	+ 		break;
	  	case Release:
	  		ipmove(up->raddr, conf.server);
	  		v6tov4(bp.ciaddr, conf.laddr);
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:1051,1057 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:1055,1061
	  		if(conf.state != Srebinding)
	  			break;
	  
	- 		// ignore a bad lease
	+ 		/* ignore a bad lease */
	  		lease = optgetulong(bp->optdata, ODlease);
	  		if(lease == 0){
	  			/*
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:1063,1069 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:1067,1073
	  		}
	  		DEBUG("lease=%lud ", lease);
	  
	- 		// address and mask
	+ 		/* address and mask */
	  		if(!validip(conf.laddr) || !Oflag)
	  			v4tov6(conf.laddr, bp->yiaddr);
	  		if(!validip(conf.mask) || !Oflag){
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:1072,1079 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:1076,1085
	  		}
	  		DEBUG("ipaddr=%I ipmask=%M ", conf.laddr, conf.mask);
	  
	- 		// get a router address either from the router option
	- 		// or from the router that forwarded the dhcp packet
	+ 		/*
	+ 		 * get a router address either from the router option
	+ 		 * or from the router that forwarded the dhcp packet
	+ 		 */
	  		if(!validip(conf.gaddr) || !Oflag){
	  			if(optgetaddr(bp->optdata, OBrouter, conf.gaddr)){
	  				DEBUG("ipgw=%I ", conf.gaddr);
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:1087,1093 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:1093,1099
	  		else
	  			DEBUG("ipgw=%I ", conf.gaddr);
	  
	- 		// get dns servers
	+ 		/* get dns servers */
	  		memset(conf.dns, 0, sizeof(conf.dns));
	  		n = optgetaddrs(bp->optdata, OBdnserver, conf.dns,
	  				sizeof(conf.dns)/IPaddrlen);
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:1094,1100 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:1100,1106
	  		for(i = 0; i < n; i++)
	  			DEBUG("dns=%I ", conf.dns+i*IPaddrlen);
	  
	- 		// get ntp servers
	+ 		/* get ntp servers */
	  		memset(conf.ntp, 0, sizeof(conf.ntp));
	  		n = optgetaddrs(bp->optdata, OBntpserver, conf.ntp,
	  				sizeof(conf.ntp)/IPaddrlen);
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:1101,1114 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:1107,1120
	  		for(i = 0; i < n; i++)
	  			DEBUG("ntp=%I ", conf.ntp+i*IPaddrlen);
	  
	- 		// get names
	+ 		/* get names */
	  		optgetstr(bp->optdata, OBhostname, conf.hostname, sizeof(conf.hostname));
	  		optgetstr(bp->optdata, OBdomainname, conf.domainname, sizeof(conf.domainname));
	  
	- 		// get anything else we asked for
	+ 		/* get anything else we asked for */
	  		getoptions(bp->optdata);
	  
	- 		// get plan9 specific options
	+ 		/* get plan9 specific options */
	  		n = optgetvec(bp->optdata, OBvendorinfo, vopts, sizeof(vopts)-1);
	  		if(n > 0 && parseoptions(vopts, n) == 0){
	  			if(validip(conf.fs) && Oflag)
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:1157,1163 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:1163,1169
	  		if(!noconfig)
	  			sysfatal("can't announce for dhcp: %r");
	  
	- 		// might be another client - wait and try again
	+ 		/* might be another client - wait and try again */
	  		fprint(2, "%s: can't announce: %r\n", argv0);
	  		sleep((nrand(10)+1)*1000);
	  		if(n > 10)
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:1228,1234 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:1234,1240
	  {
	  	int n;
	  
	- 	n = strlen(v)+1;	// microsoft leaves on the null, so we do too
	+ 	n = strlen(v)+1;	/* microsoft leaves on the null, so we do too */
	  	p[0] = op;
	  	p[1] = n;
	  	memmove(p+2, v, n);
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:1348,1356 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:1354,1364
	  	return len;
	  }
	  
	- // sanity check options area
	- //	- options don't overflow packet
	- //	- options end with an OBend
	+ /*
	+  * sanity check options area
	+  * 	- options don't overflow packet
	+  * 	- options end with an OBend
	+  */
	  int
	  parseoptions(uchar *p, int n)
	  {
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:1377,1393 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:1385,1403
	  			return -1;
	  		}
	  		p += len;
	- 		n -= len;		
	+ 		n -= len;
	  	}
	  
	- 	// make sure packet ends with an OBend all the optget code
	+ 	/* make sure packet ends with an OBend all the optget code */
	  	*p = OBend;
	  	return 0;
	  }
	  
	- //  sanity check received packet:
	- //	- magic is dhcp magic
	- //	- options don't overflow packet
	+ /*
	+  * sanity check received packet:
	+  * 	- magic is dhcp magic
	+  * 	- options don't overflow packet
	+  */
	  Bootp *
	  parsebootp(uchar *p, int n)
	  {
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:1427,1433 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:1437,1443
	  	return bp;
	  }
	  
	- // write out an ndb entry
	+ /* write out an ndb entry */
	  void
	  writendb(char *s, int n, int append)
	  {
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:1444,1450 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:1454,1460
	  	close(fd);
	  }
	  
	- // put server addresses into the ndb entry
	+ /* put server addresses into the ndb entry */
	  char*
	  putaddrs(char *p, char *e, char *attr, uchar *a, int len)
	  {
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:1458,1464 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:1468,1474
	  	return p;
	  }
	  
	- // make an ndb entry and put it into /net/ndb for the servers to see
	+ /* make an ndb entry and put it into /net/ndb for the servers to see */
	  void
	  putndb(void)
	  {
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:1498,1510 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:1508,1519
	  		writendb(buf, p-buf, append);
	  }
	  
	- // get an ndb entry someone else wrote
	+ /* get an ndb entry someone else wrote */
	  int
	  getndb(void)
	  {
	  	char buf[1024];
	- 	int fd;
	- 	int n;
	+ 	int fd, n;
	  	char *p;
	  
	  	snprint(buf, sizeof buf, "%s/ndb", conf.mpoint);
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:1522,1528 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:1531,1537
	  	return 0;
	  }
	  
	- // tell a server to refresh
	+ /* tell a server to refresh */
	  void
	  tweakserver(char *server)
	  {
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:1537,1543 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:1546,1552
	  	close(fd);
	  }
	  
	- // tell all servers to refresh their information
	+ /* tell all servers to refresh their information */
	  void
	  tweakservers(void)
	  {
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:1545,1551 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:1554,1560
	  	tweakserver("cs");
	  }
	  
	- // return number of networks
	+ /* return number of networks */
	  int
	  nipifcs(char *net)
	  {
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:1572,1578 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:1581,1587
	  	return n;
	  }
	  
	- // return true if this is a valid v4 address
	+ /* return true if this is a valid v4 address */
	  int
	  validip(uchar *addr)
	  {
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:1584,1609 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:1593,1615
	  [Vremove]	"remove",
	  [Vunbind]	"unbind",
	  [Vether]	"ether",
	- [Vgbe]	"gbe",
	+ [Vgbe]		"gbe",
	  [Vloopback]	"loopback",
	  };
	  
	- // look for an action
	+ /* look for an action */
	  int
	  parseverb(char *name)
	  {
	  	int i;
	  
	- 	for(i = 0; i < nelem(verbs); i++){
	- 		if(verbs[i] == 0)
	- 			continue;
	- 		if(strcmp(name, verbs[i]) == 0)
	+ 	for(i = 0; i < nelem(verbs); i++)
	+ 		if(verbs[i] != nil && strcmp(name, verbs[i]) == 0)
	  			return i;
	- 	}
	  	return -1;
	  }
	  
	- // get everything out of ndb
	+ /* get everything out of ndb */
	  void
	  ndbconfig(void)
	  {
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:1619,1625 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:1625,1632
	  	db = ndbopen(0);
	  	if(db == nil)
	  		sysfatal("can't open ndb: %r");
	- 	if((strcmp(conf.type, "ether") != 0 && strcmp(conf.type, "gbe") != 0) || myetheraddr(conf.hwa, conf.dev) != 0)
	+ 	if((strcmp(conf.type, "ether") != 0 && strcmp(conf.type, "gbe") != 0) ||
	+ 	    myetheraddr(conf.hwa, conf.dev) != 0)
	  		sysfatal("can't read hardware address");
	  	sprint(etheraddr, "%E", conf.hwa);
	  	nattr = 0;
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/ip/ipconfig.c:1632,1654 - 
	/n/sources/plan9/sys/src/cmd/ip/ipconfig.c:1639,1659
	  	attrs[nattr++] = "@auth";
	  	attrs[nattr] = nil;
	  	t = ndbipinfo(db, "ether", etheraddr, attrs, nattr);
	- 	for(nt = t; nt != nil; nt = nt->entry){
	- 		if(strcmp(nt->attr, "ip") == 0){
	+ 	for(nt = t; nt != nil; nt = nt->entry)
	+ 		if(strcmp(nt->attr, "ip") == 0)
	  			parseip(conf.laddr, nt->val);
	- 		} else if(strcmp(nt->attr, "ipmask") == 0){
	+ 		else if(strcmp(nt->attr, "ipmask") == 0)
	  			parseipmask(conf.mask, nt->val);
	- 		} else if(strcmp(nt->attr, "ipgw") == 0){
	+ 		else if(strcmp(nt->attr, "ipgw") == 0)
	  			parseip(conf.gaddr, nt->val);
	- 		} else if(ndns < 2 && strcmp(nt->attr, "dns") == 0){
	+ 		else if(ndns < 2 && strcmp(nt->attr, "dns") == 0)
	  			parseip(conf.dns+IPaddrlen*ndns, nt->val);
	- 		} else if(strcmp(nt->attr, "ntp") == 0){
	+ 		else if(strcmp(nt->attr, "ntp") == 0)
	  			parseip(conf.ntp, nt->val);
	- 		} else if(nfs < 2 && strcmp(nt->attr, "fs") == 0){
	+ 		else if(nfs < 2 && strcmp(nt->attr, "fs") == 0)
	  			parseip(conf.fs+IPaddrlen*nfs, nt->val);
	- 		} else if(nauth < 2 && strcmp(nt->attr, "auth") == 0){
	+ 		else if(nauth < 2 && strcmp(nt->attr, "auth") == 0)
	  			parseip(conf.auth+IPaddrlen*nauth, nt->val);
	- 		}
	- 	}
	  	ndbfree(t);
	  	if(!validip(conf.laddr))
	  		sysfatal("address not found in ndb");

/src/libdraw/mouse.c /src/libdraw/writecolmap.c
% cat >/sys/lib/dist/changes/1176503406.4.txt << EOF
•	Return nil if we have no memory to allocate. We already returned nil
before, so we shouldn't need to check callers to ensure error checking.
•	We're writecolmap, not wrcolmap. Don't confuse people if they want to
grep for writecolmap.
EOF
 [geoff] --rw-rw-r-- M 121 glenda sys 2623 Apr 13 18:11 sys/src/libdraw/mouse.c
	/n/sourcesdump/2007/0413/plan9/sys/src/libdraw/mouse.c:108,113 - 
	/n/sources/plan9/sys/src/libdraw/mouse.c:108,118
	  		return nil;
	  	}
	  	t = malloc(strlen(file)+16);
	+ 	if (t == nil) {
	+ 		close(mc->mfd);
	+ 		free(mc);
	+ 		return nil;
	+ 	}
	  	strcpy(t, file);
	  	sl = utfrrune(t, '/');
	  	if(sl)
 [geoff] --rw-rw-r-- M 121 glenda sys 788 Apr 13 18:11 sys/src/libdraw/writecolmap.c
	/n/sourcesdump/2007/0413/plan9/sys/src/libdraw/writecolmap.c:18,25 - 
	/n/sources/plan9/sys/src/libdraw/writecolmap.c:18,27
	  	sprint(buf, "/dev/draw/%d/colormap", d->dirno);
	  	fd = open(buf, OWRITE);
	  	if(fd < 0)
	- 		drawerror(d, "wrcolmap: open colormap failed");
	+ 		drawerror(d, "writecolmap: open colormap failed");
	  	t = malloc(8192);
	+ 	if (t == nil)
	+ 		drawerror(d, "writecolmap: no memory");
	  	n = 0;
	  	for(i = 0; i < 256; i++) {
	  		r = m[i].red>>24;
	/n/sourcesdump/2007/0413/plan9/sys/src/libdraw/writecolmap.c:31,35 - 
	/n/sources/plan9/sys/src/libdraw/writecolmap.c:33,37
	  	free(t);
	  	close(fd);
	  	if(i != n)
	- 		drawerror(d, "wrcolmap: bad write");
	+ 		drawerror(d, "writecolmap: bad write");
	  }


/sys/src/cmd/mkfile
% cat >/sys/lib/dist/changes/1176521407.113.txt << EOF
Bootstrap compilers with new version before compiling them.
EOF
 [geoff] --rw-rw-r-- M 152 glenda sys 2674 Apr 13 23:22 sys/src/cmd/mkfile
	/n/sourcesdump/2007/0413/plan9/sys/src/cmd/mkfile:123,138 - 
	/n/sources/plan9/sys/src/cmd/mkfile:123,139
	  	update $stem.c /386/bin/$stem
	  
	  compilers:V:
	- 	@{
	- 		cd cc
	- 		mk clean
	- 		mk installall
	- 		mk clean
	- 	}
	  	for(i in ?c)
	- 	if(! ~ $i cc rc) @{
	- 		cd $i;
	- 		mk clean
	- 		mk installall
	- 		mk clean
	- 	}
	+ 		if(! ~ $i cc rc) @{
	+ 			cd $i
	+ 			mk clean
	+ 			objtype=$cputype mk install
	+ 			mk clean
	+ 		}
	+ 	for(i in ?c)
	+ 		if(! ~ $i cc rc) @{
	+ 			cd $i
	+ 			mk clean
	+ 			mk installall
	+ 			mk clean
	+ 		}

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