shithub: riscv

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cc: get rid of sprint() and temporary buffer for type conversion fuction

slookup() copies to symb, so use the symb[NSYMB] buffer directly
to declare type conversion functions and get rid of the arbitrary
sized local buffer. replace sprint() with snprint().

--- a/sys/src/cmd/cc/funct.c

+++ b/sys/src/cmd/cc/funct.c

@@ -217,7 +217,6 @@

 	Node *n;

 	Type *f1, *f2, *f3, *f4;

 	int o, i, c;

-	char str[100];

 	if(t->funct)

 		return;

@@ -262,9 +261,9 @@

 		o = ftabinit[i].op;

 		if(o == OXXX)

 			break;

-		sprint(str, "%s_%s_", t->tag->name, ftabinit[i].name);

+		snprint(symb, NSYMB, "%s_%s_", t->tag->name, ftabinit[i].name);

 		n = new(ONAME, Z, Z);

-		n->sym = slookup(str);

+		n->sym = lookup();

 		f->sym[o] = n->sym;

 		switch(ftabinit[i].typ) {

 		default:

@@ -296,9 +295,9 @@

 		/*

 		 * OCAST types T1 _T2_T1_(T2)

 		 */

-		sprint(str, "_%s%s_", gtabinit[i].name, t->tag->name);

+		snprint(symb, NSYMB, "_%s%s_", gtabinit[i].name, t->tag->name);

 		n = new(ONAME, Z, Z);

-		n->sym = slookup(str);

+		n->sym = lookup();

 		f->castto[o] = n->sym;

 		f1 = typ(TFUNC, t);

@@ -305,9 +304,9 @@

 		f1->down = types[o];

 		dodecl(xdecl, CEXTERN, f1, n);

-		sprint(str, "%s_%s_", t->tag->name, gtabinit[i].name);

+		snprint(symb, NSYMB, "%s_%s_", t->tag->name, gtabinit[i].name);

 		n = new(ONAME, Z, Z);

-		n->sym = slookup(str);

+		n->sym = lookup();

 		f->castfr[o] = n->sym;

 		f1 = typ(TFUNC, types[o]);