wpp: Don't suppress output from C include files, that's up to the user.

libs/wpp/ppl.l

@@ -200,7 +200,6 @@ typedef struct bufferstackentry {
 	/* Include management */
         include_state_t incl;
 	char 		*include_filename;
-	int 		pass_data;
 } bufferstackentry_t;
 
 #define ALLOCBLOCKSIZE	(1 << 10)	/* Allocate these chunks at a time for string-buffers */
@@ -233,7 +232,6 @@ typedef struct macexpstackentry {
 static void newline(int);
 static int make_number(int radix, YYSTYPE *val, const char *str, int len);
 static void put_buffer(const char *s, int len);
-static int is_c_h_include(char *fname, int quoted);
 /* Buffer management */
 static void push_buffer(pp_entry_t *ppp, char *filename, char *incname, int pop);
 static bufferstackentry_t *pop_buffer(void);
@@ -272,8 +270,6 @@ static int macexpstackidx = 0;
 static bufferstackentry_t bufferstack[MAXBUFFERSTACK];
 static int bufferstackidx = 0;
 
-static int pass_data=1;
-
 /*
  * Global variables
  */
@@ -559,8 +555,6 @@ includelogicentry_t *pp_includelogiclist = NULL;
 			return tDQSTRING;
 		case pp_line:
 			ppy_lval.cptr = get_string();
-			if (is_c_h_include(ppy_lval.cptr, 1)) pass_data=0;
-			else pass_data=1;
 			return tDQSTRING;
 		default:
 			put_string();
@@ -1191,7 +1185,6 @@ static void push_buffer(pp_entry_t *ppp, char *filename, char *incname, int pop)
 	bufferstack[bufferstackidx].ncontinuations	= ncontinuations;
 	bufferstack[bufferstackidx].incl		= pp_incl_state;
 	bufferstack[bufferstackidx].include_filename	= incname;
-	bufferstack[bufferstackidx].pass_data		= pass_data;
 
 	if(ppp)
 		ppp->expanding = 1;
@@ -1254,7 +1247,6 @@ static bufferstackentry_t *pop_buffer(void)
 			}
 			free(pp_incl_state.ppp);
 			pp_incl_state	= bufferstack[bufferstackidx].incl;
-			pass_data	= bufferstack[bufferstackidx].pass_data;
 
 		}
 	}
@@ -1410,10 +1402,8 @@ static void put_buffer(const char *s, int len)
 {
 	if(top_macro())
 		add_text_to_macro(s, len);
-	else {
-           if(pass_data)
+	else
            fwrite(s, 1, len, ppy_out);
-        }
 }
 
 
@@ -1422,15 +1412,6 @@ static void put_buffer(const char *s, int len)
  * Include management
  *-------------------------------------------------------------------------
  */
-static int is_c_h_include(char *fname, int quoted)
-{
-	int sl=strlen(fname);
-	if (sl < 2 + 2 * quoted) return 0;
-	if ((toupper(fname[sl-1-quoted])!='H') && (toupper(fname[sl-1-quoted])!='C')) return 0;
-	if (fname[sl-2-quoted]!='.') return 0;
-	return 1;
-}
-
 void pp_do_include(char *fname, int type)
 {
 	char *newpath;
@@ -1466,12 +1447,10 @@ void pp_do_include(char *fname, int type)
 	pp_incl_state.seen_junk = 0;
 	pp_incl_state.state = 0;
 	pp_incl_state.ppp = NULL;
-	if (is_c_h_include(newpath, 0)) pass_data=0;
-	else pass_data=1;
 
 	if(pp_status.debug)
-		fprintf(stderr, "pp_do_include: %s:%d: include_state=%d, include_ppp='%s', include_ifdepth=%d ,pass_data=%d\n",
-                        pp_status.input, pp_status.line_number, pp_incl_state.state, pp_incl_state.ppp, pp_incl_state.ifdepth, pass_data);
+		fprintf(stderr, "pp_do_include: %s:%d: include_state=%d, include_ppp='%s', include_ifdepth=%d\n",
+                        pp_status.input, pp_status.line_number, pp_incl_state.state, pp_incl_state.ppp, pp_incl_state.ifdepth);
         ppy__switch_to_buffer(ppy__create_buffer(ppy_in, YY_BUF_SIZE));
 
 	fprintf(ppy_out, "# 1 \"%s\" 1%s\n", newpath, type ? "" : " 3");