openpkg
/
openpkg-packages


			
				
					
						
						
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							It is not portable to use "std{in,out}" as "lvalues" (for instance,
building under Sun Solaris breaks here). The portable solution is to use
freopen(3). Unfortunately, to achieve the same effect than fdopen(3) on
"std{in,out}", one has to use "/dev/std{in,out}" (which in turn is not
really portable, but at least more portable than using "std{in,out}"
as "lvalues"). The only "we know it better" alternative would be to
just replace the code with a fflush(3) on the streams and know that the
stream has not recognized the changed underlying filedescriptor. But
this again is not really portable, although also working for mostly all
Unix platforms.

--- filter.c.orig	2003-03-25 17:39:08.000000000 +0100
+++ filter.c	2003-07-24 10:05:02.000000000 +0200
@@ -158,10 +158,10 @@
 			int     r;
 
 			/* setup streams again */
-			if ((stdin = fdopen (0, "r")) == NULL)
-				flexfatal (_("fdopen(0) failed"));
-			if ((stdout = fdopen (1, "w")) == NULL)
-				flexfatal (_("fdopen(1) failed"));
+			if ((freopen ("/dev/stdin", "r", stdin)) == NULL)
+				flexfatal (_("freopen(stdin) failed"));
+			if ((freopen ("/dev/stdout", "w", stdout)) == NULL)
+				flexfatal (_("freopen(stdout) failed"));
 
 			if ((r = chain->filter_func (chain)) == -1)
 				flexfatal (_("filter_func failed"));
@@ -181,8 +181,8 @@
 	if (dup2 (pipes[1], 1) == -1)
 		flexfatal (_("dup2(pipes[1],1)"));
 	close (pipes[1]);
-	if ((stdout = fdopen (1, "w")) == NULL)
-		flexfatal (_("fdopen(1) failed"));
+	if ((freopen ("/dev/stdout", "w", stdout)) == NULL)
+		flexfatal (_("freopen(stdout) failed"));
 
 	return true;
 }

Our package does not rely on GCC (and cannot for dependency
reasons), so we have to make sure that no C99 style comments
are used inside the code.

--- main.c.orig	Tue Apr  1 03:51:38 2003
+++ main.c	Tue Jul 29 22:27:40 2003
@@ -1142,7 +1142,6 @@
 			break;
 
 		case OPT_NO_UNISTD_H:
-			//buf_strdefine (&userdef_buf, "YY_NO_UNISTD_H", "1");
             buf_m4_define( &m4defs_buf, "M4_YY_NO_UNISTD_H",0);
 			break;
 
@@ -1257,7 +1256,6 @@
 			break;
 
 		case OPT_STACK:
-			//buf_strdefine (&userdef_buf, "YY_STACK_USED", "1");
             buf_m4_define( &m4defs_buf, "M4_YY_STACK_USED",0);
 			break;
 
@@ -1314,87 +1312,66 @@
             break;
 
 		case OPT_NO_YY_PUSH_STATE:
-			//buf_strdefine (&userdef_buf, "YY_NO_PUSH_STATE", "1");
             buf_m4_define( &m4defs_buf, "M4_YY_NO_PUSH_STATE",0);
 			break;
 		case OPT_NO_YY_POP_STATE:
-			//buf_strdefine (&userdef_buf, "YY_NO_POP_STATE", "1");
             buf_m4_define( &m4defs_buf, "M4_YY_NO_POP_STATE",0);
 			break;
 		case OPT_NO_YY_TOP_STATE:
-			//buf_strdefine (&userdef_buf, "YY_NO_TOP_STATE", "1");
             buf_m4_define( &m4defs_buf, "M4_YY_NO_TOP_STATE",0);
 			break;
 		case OPT_NO_UNPUT:
-			//buf_strdefine (&userdef_buf, "YY_NO_UNPUT", "1");
             buf_m4_define( &m4defs_buf, "M4_YY_NO_UNPUT",0);
 			break;
 		case OPT_NO_YY_SCAN_BUFFER:
-			//buf_strdefine (&userdef_buf, "YY_NO_SCAN_BUFFER", "1");
             buf_m4_define( &m4defs_buf, "M4_YY_NO_SCAN_BUFFER",0);
 			break;
 		case OPT_NO_YY_SCAN_BYTES:
-			//buf_strdefine (&userdef_buf, "YY_NO_SCAN_BYTES", "1");
             buf_m4_define( &m4defs_buf, "M4_YY_NO_SCAN_BYTES",0);
 			break;
 		case OPT_NO_YY_SCAN_STRING:
-			//buf_strdefine (&userdef_buf, "YY_NO_SCAN_STRING", "1");
             buf_m4_define( &m4defs_buf, "M4_YY_NO_SCAN_STRING",0);
 			break;
 		case OPT_NO_YYGET_EXTRA:
-			//buf_strdefine (&userdef_buf, "YY_NO_GET_EXTRA", "1");
             buf_m4_define( &m4defs_buf, "M4_YY_NO_GET_EXTRA",0);
 			break;
 		case OPT_NO_YYSET_EXTRA:
-			//buf_strdefine (&userdef_buf, "YY_NO_SET_EXTRA", "1");
             buf_m4_define( &m4defs_buf, "M4_YY_NO_SET_EXTRA",0);
 			break;
 		case OPT_NO_YYGET_LENG:
-			//buf_strdefine (&userdef_buf, "YY_NO_GET_LENG", "1");
             buf_m4_define( &m4defs_buf, "M4_YY_NO_GET_LENG",0);
 			break;
 		case OPT_NO_YYGET_TEXT:
-			//buf_strdefine (&userdef_buf, "YY_NO_GET_TEXT", "1");
             buf_m4_define( &m4defs_buf, "M4_YY_NO_GET_TEXT",0);
 			break;
 		case OPT_NO_YYGET_LINENO:
-			//buf_strdefine (&userdef_buf, "YY_NO_GET_LINENO", "1");
             buf_m4_define( &m4defs_buf, "M4_YY_NO_GET_LINENO",0);
 			break;
 		case OPT_NO_YYSET_LINENO:
-			//buf_strdefine (&userdef_buf, "YY_NO_SET_LINENO", "1");
             buf_m4_define( &m4defs_buf, "M4_YY_NO_SET_LINENO",0);
 			break;
 		case OPT_NO_YYGET_IN:
-			//buf_strdefine (&userdef_buf, "YY_NO_GET_IN", "1");
             buf_m4_define( &m4defs_buf, "M4_YY_NO_GET_IN",0);
 			break;
 		case OPT_NO_YYSET_IN:
-			//buf_strdefine (&userdef_buf, "YY_NO_SET_IN", "1");
             buf_m4_define( &m4defs_buf, "M4_YY_NO_SET_IN",0);
 			break;
 		case OPT_NO_YYGET_OUT:
-			//buf_strdefine (&userdef_buf, "YY_NO_GET_OUT", "1");
             buf_m4_define( &m4defs_buf, "M4_YY_NO_GET_OUT",0);
 			break;
 		case OPT_NO_YYSET_OUT:
-			//buf_strdefine (&userdef_buf, "YY_NO_SET_OUT", "1");
             buf_m4_define( &m4defs_buf, "M4_YY_NO_SET_OUT",0);
 			break;
 		case OPT_NO_YYGET_LVAL:
-			//buf_strdefine (&userdef_buf, "YY_NO_GET_LVAL", "1");
             buf_m4_define( &m4defs_buf, "M4_YY_NO_GET_LVAL",0);
 			break;
 		case OPT_NO_YYSET_LVAL:
-			//buf_strdefine (&userdef_buf, "YY_NO_SET_LVAL", "1");
             buf_m4_define( &m4defs_buf, "M4_YY_NO_SET_LVAL",0);
 			break;
 		case OPT_NO_YYGET_LLOC:
-			//buf_strdefine (&userdef_buf, "YY_NO_GET_LLOC", "1");
             buf_m4_define( &m4defs_buf, "M4_YY_NO_GET_LLOC",0);
 			break;
 		case OPT_NO_YYSET_LLOC:
-			//buf_strdefine (&userdef_buf, "YY_NO_SET_LLOC", "1");
             buf_m4_define( &m4defs_buf, "M4_YY_NO_SET_LLOC",0);
 			break;
 
@@ -1547,7 +1524,6 @@
 
 	if (reject){
         out_m4_define( "M4_YY_USES_REJECT", NULL);
-		//outn ("\n#define YY_USES_REJECT");
     }
 
 	if (!do_yywrap) {
--- tables.c.orig	Wed Nov 27 15:43:24 2002
+++ tables.c	Tue Jul 29 22:28:18 2003
@@ -86,7 +86,7 @@
 	th->th_magic = YYTBL_MAGIC;
 	th->th_hsize = 14 + strlen (version_str) + 1 + strlen (name) + 1;
 	th->th_hsize += yypad64 (th->th_hsize);
-	th->th_ssize = 0;	// Not known at this point.
+	th->th_ssize = 0;
 	th->th_flags = 0;
 	th->th_version = copy_string (version_str);
 	th->th_name = copy_string (name);