shithub: pplay

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get rid of comparisons to -1

--- a/chunk.c

+++ b/chunk.c

@@ -231,7 +231,7 @@

 		dot.to = n;

 	if(dot.pos < dot.from || dot.pos > dot.to)

 		dot.pos = dot.from;

-	dot.at = -1ULL;

+	dot.at = dot.from;

 	dprint(nil, "final %Δ\n", &dot);

 	totalsz = n;

 }

@@ -271,7 +271,7 @@

 		dot->to = c2p(norris->left) + norris->left->len;

 	else

 		dot->to = c2p(right);

-	dot->at = -1ULL;

+	dot->at = dot->from;

 }

 void

--- a/cmd.c

+++ b/cmd.c

@@ -40,7 +40,7 @@

 	dot.to = to;

 	if(dot.pos < from || dot.pos >= to)

 		dot.pos = from;

-	dot.at = -1;

+	dot.at = dot.from;

 }

 int

@@ -134,11 +134,11 @@

 		fprint(2, "insert: nothing to paste\n");

 		return -1;

 	}

-	if(dot.at == -1){

+	if(dot.at == dot.from){

 		fprint(2, "insert: nowhere to paste\n");

 		return -1;

 	}

-	assert(dot.at <= dot.to);

+	assert(dot.at >= dot.from && dot.at <= dot.to);

 	dprint(nil, "cmd/insert %Δ\n", &dot);

 	dprint(c, "buffered\n");

 	pushop(OPins, dot.at, dot.at+chunklen(c)-1, nil);

@@ -148,7 +148,7 @@

 	}

 	setdot(&dot, nil);

 	dot.pos = c2p(left->right);

-	dot.at = -1;

+	dot.at = dot.from;

 	dprint(nil, "end\n");

 	return 1;

 }

--- a/draw.c

+++ b/draw.c

@@ -184,7 +184,7 @@

 		seprint(s, s+sizeof s, " ↺ %τ - %τ", dot.from, dot.to);

 		p = string(screen, p, col[Cloop], ZP, font, s);

 	}

-	if(dot.at != -1){

+	if(dot.at != dot.from && dot.at != dot.to){

 		seprint(s, s+sizeof s, " ‡ %τ", dot.at);

 		p = string(screen, p, col[Cins], ZP, font, s);

 	}

@@ -198,7 +198,8 @@

 		drawchunks();

 	drawpos(dot.from, col[Cloop]);

 	drawpos(dot.to, col[Cloop]);

-	drawpos(dot.at, col[Cins]);

+	if(dot.at != dot.from && dot.at != dot.to)

+		drawpos(dot.at, col[Cins]);

 }

 void