shithub: scc

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Free memory reserved for strings

--- a/cc1/cc1.h

+++ b/cc1/cc1.h

@@ -138,7 +138,8 @@

 	ISPRIVATE  =     256,

 	ISLOCAL    =     512,

 	ISEMITTED  =    1024,

-	ISDEFINED  =    2048

+	ISDEFINED  =    2048,

+	ISSTRING   =    4096

 };

--- a/cc1/lex.c

+++ b/cc1/lex.c

@@ -359,7 +359,7 @@

 	yylen = bp - yytext + 1;

 	yylval.sym = newsym(NS_IDEN);

-	yylval.sym->flags |= ISCONSTANT;

+	yylval.sym->flags |= ISSTRING | ISCONSTANT;

 	yylval.sym->u.s = xstrdup(yytext+1);

 	yylval.sym->type = mktype(chartype, ARY, yylen - 2, NULL);

 	*bp++ = '"';

--- a/cc1/symbol.c

+++ b/cc1/symbol.c

@@ -130,7 +130,8 @@

 				warn("'%s' defined but not used", sym->name);

 		}

 		free(sym->name);

-		// TODO: There is a memory leak with sym->u.s

+		if (sym->flags & ISSTRING)

+			free(sym->u.s);

 		free(sym);

 	}

 	head = sym;