Do not allow whitespace in macro names.

Obtained from:	OpenBSD (r1.19).

This commit is contained in:

Marcelo Araujo

2016-07-11 03:34:32 +00:00

parent 823c0d5f5e

commit 391adcc526

1 changed files with 8 additions and 0 deletions

View File

@@ -144,6 +144,14 @@ include		: INCLUDE STRING			{
 		;
 varset		: STRING '=' STRING			{
 			char *s = $1;
 			while (*s++) {
 				if (isspace((unsigned char) *s)) {
 					yyerror("macro name cannot contain "
 					  "whitespace");
 					YYERROR;
 				}
 			}
 			if (symset($1, $3, 0) == -1)
 				fatal("cannot store variable");
 			free($1);