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uniq: use Bsize for buffers

--- a/sys/src/cmd/uniq.c

+++ b/sys/src/cmd/uniq.c

@@ -6,8 +6,6 @@

 #include <bio.h>

 #include <ctype.h>

-#define	SIZE	8000

-

 int	fields	= 0;

 int	letters	= 0;

 int	linec	= 0;

@@ -14,7 +12,6 @@

 char	mode;

 int	uniq;

 char	*b1, *b2;

-long	bsize;

 Biobuf	fin;

 Biobuf	fout;

@@ -29,9 +26,8 @@

 	int f;

 	argv0 = argv[0];

-	bsize = SIZE;

-	b1 = malloc(bsize);

-	b2 = malloc(bsize);

+	b1 = malloc(Bsize);

+	b2 = malloc(Bsize);

 	f = 0;

 	while(argc > 1) {

 		if(*argv[1] == '-') {

@@ -93,7 +89,7 @@

 	if(p == 0)

 		return 1;

 	len = Blinelen(&fin);

-	if(len >= bsize-1)

+	if(len > Bsize)

 		sysfatal("line too long");

 	memmove(buf, p, len);

 	buf[len-1] = 0;