From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sat, 12 Sep 2020 20:44:32 +0000 (-0700)
Subject: remove sfio feature input that is no longer used
X-Git-Tag: 2.46.0~20^2^2~76^2~3
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a5647d74133a0f5ca8c10f15b5da36383c30f204;p=graphviz

remove sfio feature input that is no longer used

Related to #1422 and #1521.
---

diff --git a/lib/sfio/Makefile.am b/lib/sfio/Makefile.am
index 695da960a..ce5fe7a14 100644
--- a/lib/sfio/Makefile.am
+++ b/lib/sfio/Makefile.am
@@ -23,4 +23,4 @@ libsfio_C_la_SOURCES = sfclose.c sfclrlock.c sfcvt.c sfdisc.c \
 libsfio_C_la_DEPENDENCIES = \
 	Sfio_f/libsfiof_C.la
 
-EXTRA_DIST = README features sfio.vcxproj*
+EXTRA_DIST = README sfio.vcxproj*
diff --git a/lib/sfio/README b/lib/sfio/README
index 2d0dde902..de5f8d674 100644
--- a/lib/sfio/README
+++ b/lib/sfio/README
@@ -3,7 +3,6 @@ DIRECTORY HIERARCHY:
 This directory hierarchy has the source of Sfio, the Safe/Fast I/O library.
 
 . :		source code for Sfio.
-./features:	source code for generating configuration parameters.
 ./Sfio_f:	function versions of sfio macros.
 ./Stdio_s:	the source level <stdio> compatibility package.
 ./Stdio_b:	the binary level <stdio> compatibility package.
diff --git a/lib/sfio/features/sfio b/lib/sfio/features/sfio
deleted file mode 100644
index 56abfaee4..000000000
--- a/lib/sfio/features/sfio
+++ /dev/null
@@ -1,144 +0,0 @@
-##################################################################
-# This file defines probes for local features that sfio requires.
-# Such probes are interpreted by the "iffe" language interpreter.
-# Results are stored in the FEATURE directory.
-# Written by Kiem-Phong Vo (06/27/92).
-# Converted to sfio v10/01/94 by Giampiero Sierra (06/08/95).
-##################################################################
-
-##################################################
-# file control checks
-##################################################
-
-tmp rmfail note{ file not removable if still opened }end execute{
-	#include	<sys/time.h>
-	_BEGIN_EXTERNS_
-	extern int creat(char*, int);
-	extern int unlink(char*);
-	extern int write(int, char*, int);
-	_END_EXTERNS_
-	main()
-	{	int		fw, fr;
-		char		file[128];
-		sprintf(file,"/tmp/iffe%lu",(unsigned long)time(0));
-		if((fw = creat(file,0666)) < 0)
-			return 0;
-		if((fr = open(file,0)) < 0 )
-			return 0;
-		if(unlink(file) < 0)
-			return 0;
-		if(write(fw,"0123456789",11) != 11 )
-			return 0;
-		if(read(fr,file,11) != 11)
-			return 0;
-		if(strcmp(file,"0123456789") != 0)
-			return 0;
-		return 1;
-	}
-}end
-
-more void_int note{ voidptr is larger than int }end execute{
-	main() {
-	return sizeof(char*) > sizeof(int) ? 0 : 1;
-	}
-}end
-
-more long_int note{ long is larger than int }end execute{
-	main() {
-	return sizeof(long) > sizeof(int) ? 0 : 1;
-	}
-}end
-
-################################################################
-# See if there is a preferred block size for a file system
-################################################################
-
-stat blksize note{ st_blksize is a field in struct stat }end compile{
-	#include	<sys/types.h>
-	#include	<sys/stat.h>
-	main () {
-		struct stat sb;
-		sb.st_blksize = 0;
-		return 0;
-	}
-}end
-
-##################################################
-# See if certain prototypes are required
-##################################################
-
-proto open note{ open() has a vararg prototype }end compile{
-	#include	<sys/types.h>
-	#include	<errno.h>
-	#include	<ctype.h>
-	#include	<fcntl.h>
-
-	_BEGIN_EXTERNS_
-	extern int open(const char*,int,...);
-	_END_EXTERNS_
-	main()
-	{
-		open("file",0);
-		open("file",0,1);
-	}
-}end
-
-lib     poll_fd_1 note{ fd is first arg to poll() }end execute{
-        #include <poll.h>
-        _BEGIN_EXTERNS_
-        extern int      pipe(int*);
-        _END_EXTERNS_
-        main()
-        {       int             rw[2];
-                struct pollfd   fd;
-                if (pipe(rw) < 0) return 1;
-                fd.fd = rw[0];
-                fd.events = POLLIN;
-                fd.revents = 0;
-                return poll(&fd, 1, 0) < 0;
-        }
-}end
-
-lib     poll_fd_2 note{ fd is second arg to poll() }end execute{
-        #include <poll.h>
-        _BEGIN_EXTERNS_
-        extern int      pipe(int*);
-        _END_EXTERNS_
-        main()
-        {       int             rw[2];
-                struct pollfd   fd;
-                if (pipe(rw) < 0) return 1;
-                fd.fd = rw[0];
-                fd.events = POLLIN;
-                fd.revents = 0;
-                return poll(1, &fd, 0) < 0;
-        }
-}end
-
-################################################################
-## See if we can peek ahead in unseekable devices
-################################################################
-
-stream	peek note{ ioctl(I_PEEK) works }end link{
-        #include <sys/types.h>
-        #include <stropts.h>
-        main()
-        {       struct strpeek  pbuf;
-                pbuf.flags = 0;
-                pbuf.ctlbuf.maxlen = pbuf.databuf.maxlen =
-                pbuf.ctlbuf.len = pbuf.databuf.len = 0;
-                pbuf.ctlbuf.buf = pbuf.databuf.buf = 0;
-                ioctl(0,I_PEEK,&pbuf);
-                return 0;
-        }
-}end
-
-socket	peek note{ recv(MSG_PEEK) works }end link{
-        #include <sys/types.h>
-        #include <sys/socket.h>
-        main()
-        {       char    buf[128];
-                recv(0,buf,sizeof(buf),MSG_PEEK);
-                return 0;
-        }
-}end