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-rw-r--r--usr.bin/yacc/output.c8
-rw-r--r--usr.bin/yacc/reader.c7
2 files changed, 11 insertions, 4 deletions
diff --git a/usr.bin/yacc/output.c b/usr.bin/yacc/output.c
index 6f143af511f..2c18431e6dc 100644
--- a/usr.bin/yacc/output.c
+++ b/usr.bin/yacc/output.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: output.c,v 1.11 2003/06/19 16:34:53 pvalchev Exp $ */
+/* $OpenBSD: output.c,v 1.12 2004/01/06 05:35:26 deraadt Exp $ */
/* $NetBSD: output.c,v 1.4 1996/03/19 03:21:41 jtc Exp $ */
/*
@@ -37,7 +37,7 @@
#if 0
static char sccsid[] = "@(#)output.c 5.7 (Berkeley) 5/24/93";
#else
-static char rcsid[] = "$OpenBSD: output.c,v 1.11 2003/06/19 16:34:53 pvalchev Exp $";
+static char rcsid[] = "$OpenBSD: output.c,v 1.12 2004/01/06 05:35:26 deraadt Exp $";
#endif
#endif /* not lint */
@@ -948,7 +948,9 @@ output_defines(void)
if (union_file == NULL) open_error(union_file_name);
while ((c = getc(union_file)) != EOF)
putc(c, defines_file);
- fprintf(defines_file, " YYSTYPE;\nextern YYSTYPE %slval;\n",
+ fprintf(defines_file, " YYSTYPE;\n");
+ fprintf(defines_file, "#endif /* YYSTYPE_DEFINED */\n");
+ fprintf(defines_file, "extern YYSTYPE %slval;\n",
symbol_prefix);
}
}
diff --git a/usr.bin/yacc/reader.c b/usr.bin/yacc/reader.c
index 9042f23385d..f492aefd25e 100644
--- a/usr.bin/yacc/reader.c
+++ b/usr.bin/yacc/reader.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: reader.c,v 1.15 2003/06/19 16:34:53 pvalchev Exp $ */
+/* $OpenBSD: reader.c,v 1.16 2004/01/06 05:35:26 deraadt Exp $ */
/* $NetBSD: reader.c,v 1.5 1996/03/19 03:21:43 jtc Exp $ */
/*
@@ -531,7 +531,11 @@ copy_union(void)
if (!lflag)
fprintf(text_file, line_format, lineno, input_file_name);
+ fprintf(text_file, "#ifndef YYSTYPE_DEFINED\n");
+ fprintf(text_file, "#define YYSTYPE_DEFINED\n");
fprintf(text_file, "typedef union");
+ if (dflag) fprintf(union_file, "#ifndef YYSTYPE_DEFINED\n");
+ if (dflag) fprintf(union_file, "#define YYSTYPE_DEFINED\n");
if (dflag) fprintf(union_file, "typedef union");
depth = 0;
@@ -555,6 +559,7 @@ loop:
if (--depth == 0)
{
fprintf(text_file, " YYSTYPE;\n");
+ fprintf(text_file, "#endif /* YYSTYPE_DEFINED */\n");
FREE(u_line);
return;
}