Bug-fix: don't force timezone to UTC if the "use local timezone" option is

enabled in SCFG->System (the default is enabled).
Added copyright comment header block.
Fixed msvc6 warnings.

src/sbbs3/delfiles.c

-#line 1 "delfiles.c"
+/* delfiles.c */
 
-/* Developed 1990-1997 by Rob Swindell; PO Box 501, Yorba Linda, CA 92885 */
+/* Program to delete expired files from a Synchronet file database */
+
+/* $Id$ */
+
+/****************************************************************************
+ * @format.tab-size 4		(Plain Text/Source Code File Header)			*
+ * @format.use-tabs true	(see http://www.synchro.net/ptsc_hdr.html)		*
+ *																			*
+ * Copyright 2006 Rob Swindell - http://www.synchro.net/copyright.html		*
+ *																			*
+ * This program is free software; you can redistribute it and/or			*
+ * modify it under the terms of the GNU General Public License				*
+ * as published by the Free Software Foundation; either version 2			*
+ * of the License, or (at your option) any later version.					*
+ * See the GNU General Public License for more details: gpl.txt or			*
+ * http://www.fsf.org/copyleft/gpl.html										*
+ *																			*
+ * Anonymous FTP access to the most recent released source is available at	*
+ * ftp://vert.synchro.net, ftp://cvs.synchro.net and ftp://ftp.synchro.net	*
+ *																			*
+ * Anonymous CVS access to the development source and modification history	*
+ * is available at cvs.synchro.net:/cvsroot/sbbs, example:					*
+ * cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs login			*
+ *     (just hit return, no password is necessary)							*
+ * cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs checkout src		*
+ *																			*
+ * For Synchronet coding style and modification guidelines, see				*
+ * http://www.synchro.net/source.html										*
+ *																			*
+ * You are encouraged to submit any modifications (preferably in Unix diff	*
+ * format) via e-mail to mods@synchro.net									*
+ *																			*
+ * Note: If this box doesn't appear square, then you need to fix your tabs.	*
+ ****************************************************************************/
 
 #include "sbbs.h"
 
@@ -57,7 +90,7 @@ int main(int argc, char **argv)
 {
 	char str[256],fname[MAX_PATH+1],not[MAX_NOTS][9],nots=0,*p;
 	int i,j,dirnum,libnum,file;
-	ulong l,m,n,length;
+	ulong l,m;
 	long misc=0;
 	time_t now;
 	file_t workfile;
@@ -65,7 +98,6 @@ int main(int argc, char **argv)
 	glob_t gl;
 	uchar *ixbbuf;
 
-putenv("TZ=UCT0");
 	setvbuf(stdout,NULL,_IONBF,0);
 
 	fprintf(stderr,"\nDELFILES Version %s (%s) - Removes files from Synchronet "
@@ -73,13 +105,13 @@ fprintf(stderr,"\nDELFILES Version %s (%s) - Removes files from Synchronet "
 
 	if(argc<2) {
 		printf("\n   usage: DELFILES <dir_code or * for ALL> [switches]\n");
-	printf("\nswitches: /LIB name All directories of specified library\n");
-    printf("          /NOT code Exclude specific directory\n");
-	printf("          /OFF      Remove files that are offline "
+		printf("\nswitches: -LIB name All directories of specified library\n");
+		printf("          -NOT code Exclude specific directory\n");
+		printf("          -OFF      Remove files that are offline "
 			"(don't exist on disk)\n");
-	printf("          /NOL      Remove files with no link "
+		printf("          -NOL      Remove files with no link "
 			"(don't exist in database)\n");
-	printf("          /RPT      Report findings only "
+		printf("          -RPT      Report findings only "
 			"(don't delete any files)\n");
 		return(0); }
 
@@ -93,8 +125,6 @@ if(p==NULL) {
 	#endif
 		return(1); }
 
-putenv("TZ=UCT0");
-
 	memset(&cfg, 0, sizeof(cfg));
 	cfg.size=sizeof(cfg);
 	SAFECOPY(cfg.ctrl_dir, p);
@@ -103,6 +133,9 @@ backslash(cfg.ctrl_dir);
 	load_cfg(&cfg, NULL, TRUE, str);
 	chdir(cfg.ctrl_dir);
 
+	if(!(cfg.sys_misc&SM_LOCAL_TZ))
+		putenv("TZ=UTC0");
+
 	dirnum=libnum=-1;
 	if(argv[1][0]=='*')
 		misc|=ALL;
@@ -171,7 +204,7 @@ for(i=0;i<cfg.total_dirs;i++) {
 			sprintf(str,"%s*.*",tmp);
 			printf("\nSearching %s for unlinked files\n",str);
 			if(!glob(str, GLOB_MARK, NULL, &gl)) {
-			for(j=0; j<gl.gl_pathc; j++) {
+				for(j=0; j<(int)gl.gl_pathc; j++) {
 					/* emulate _A_NORMAL */
 					if(isdir(gl.gl_pathv[j]))
 						continue;
@@ -203,7 +236,7 @@ for(i=0;i<cfg.total_dirs;i++) {
 			close(file);
 			printf("\7ERR_ALLOC %s %lu\n",str,l);
 			continue; }
-	if(read(file,ixbbuf,l)!=l) {
+		if(read(file,ixbbuf,l)!=(int)l) {
 			close(file);
 			printf("\7ERR_READ %s %lu\n",str,l);
 			free((char *)ixbbuf);
@@ -260,4 +293,6 @@ for(i=0;i<cfg.total_dirs;i++) {
 						removefiledat(&cfg, &workfile); } }
 
 		free((char *)ixbbuf); }
+
+	return(0);
 }