$NetBSD: patch-ah,v 1.5 2014/01/02 07:34:11 dholland Exp $

- use standard headers
- don't declare own errno
- don't use sys_errlist
- don't use mktemp
- avoid void main
- use c89

--- tools/into.c.orig	1992-04-30 14:10:15.000000000 +0000
+++ tools/into.c
@@ -27,6 +27,7 @@
 
 #include "rle_config.h"
 #include <stdio.h>
+#include <string.h>
 #include <errno.h>
 #include <sys/types.h>
 #include <sys/param.h>			/* for MAXPATHLEN */
@@ -40,19 +41,14 @@ static char temp[] = "intoXXXXXXXX";
 static char buf[MAXPATHLEN+1];
 short forceflg;				/* overwrite an unwritable file? */
 
-extern int errno;
-extern char *sys_errlist[];
-
-void
-main(argc, argv)
-int argc;
-char **argv;
+int
+main(int argc, char **argv)
 {
     char *cp;
     int c;
     FILE * outf;
     char iobuf[BUFSIZ];
-    int size;
+    int size, fd;
 
     /* Don't allow files named "-f" in order to catch common error */
     if (argc >= 2 && !strcmp(argv[1], "-f"))
@@ -72,7 +68,7 @@ char **argv;
 	exit(1);
     }
 
-    if ( (cp = rindex( argv[1], '/' )) != NULL )
+    if ( (cp = rle_rindex( argv[1], '/' )) != NULL )
     {
 	c = *++cp;
 	*cp = 0;
@@ -82,9 +78,9 @@ char **argv;
     }
     else
 	strcpy( buf, temp );
-    mktemp( buf );
+    fd = mkstemp( buf );
 
-    if ( (outf = fopen( buf, "w" )) == NULL )
+    if ( fd < 0 || (outf = fdopen( fd, "w" )) == NULL )
     {
 	perror(buf);
 	exit(1);
@@ -103,7 +99,7 @@ char **argv;
     if (ferror(outf))
     {
 	fprintf(stderr, "into: %s, \"%s\" not modified\n",
-	    sys_errlist[errno], argv[1]);
+	    strerror(errno), argv[1]);
 	unlink(buf);
 	exit(1);
     }
@@ -118,8 +114,8 @@ char **argv;
 }
 
 #ifdef NEED_RENAME
-rename( file1, file2 )
-char *file1, *file2;
+int
+rename( char *file1, char *file2 )
 {
     struct stat st;