[hackers] [scc] Fix #line || Roberto E. Vargas Caballero

[git]

commit afa1694d36865e5f2d5858e641c573502edaef92
Author:     Roberto E. Vargas Caballero <k...@shike2.com>
AuthorDate: Sat Jul 18 09:08:28 2015 +0200
Commit:     Roberto E. Vargas Caballero <k...@shike2.com>
CommitDate: Sat Jul 18 09:08:28 2015 +0200

    Fix #line
    
    The validation of the fields in #line were incorrect, and the last
    token was not consumed, generating an error in cpp() due to garbage
    at the end of the line.

diff --git a/cc1/cpp.c b/cc1/cpp.c
index 3eecc54..094bd65 100644
--- a/cc1/cpp.c
+++ b/cc1/cpp.c
@@ -409,15 +409,14 @@ too_long:
 static void
 line(void)
 {
-       Type *tp;
        long n;
+       char *endp;
 
        if (cppoff)
                return;
-       if ((n = strtol(input->p, &input->p, 10)) <= 0 || n > USHRT_MAX)
-               error("first parameter of #line is not a positive integer");
 
-       if (yytoken != CONSTANT || yylval.sym->type != inttype)
+       n = strtol(yytext, &endp, 10);
+       if (n <= 0 || n > USHRT_MAX || *endp != '\0')
                error("first parameter of #line is not a positive integer");
 
        input->nline = yylval.sym->u.i;
@@ -425,11 +424,11 @@ line(void)
        if (yytoken == EOFTOK)
                return;
 
-       tp = yylval.sym->type;
-       if (yytoken != CONSTANT || tp->op != ARY && tp->type != chartype)
+       if (*yytext != '\"'|| yylen == 1)
                error("second parameter of #line is not a valid filename");
        free(input->fname);
        input->fname = xstrdup(yylval.sym->u.s);
+       next();
 }
 
 static void