shithub: pc

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please the sanitizers

--- a/libmp/dat.h

+++ b/libmp/dat.h

@@ -1,4 +1,4 @@

-#define	mpdighi  (mpdigit)(1<<(Dbits-1))

+#define	mpdighi  (mpdigit)(1U<<(Dbits-1))

 #define DIGITS(x) ((Dbits - 1 + (x))/Dbits)

 // for converting between int's and mpint's

--- a/libmp/mpdigdiv.c

+++ b/libmp/mpdigdiv.c

@@ -49,7 +49,7 @@

 			hi--;

 		lo -= y;

 		hi -= x;

-		q |= 1<<i;

+		q |= 1U<<i;

 	}

 	q += lo/divisor;

 	*quotient = q;

--- a/pc.y

+++ b/pc.y

@@ -640,7 +640,7 @@

 		yylval.sym = getsym(buf, 1);

 		return LSYMB;

 	}

-	if(c < 128 && (kw = optab[c], kw != nil)){

+	if(c >= 0 && c < 128 && (kw = optab[c], kw != nil)){

 		b = Bgetc(in);

 		for(; kw->name[0] == c; kw++)

 			if(kw->name[0] == b)