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- /*
- * Logging of RCS commands co and ci
- */
- #ifndef lint
- static char rcsid[]=
- "$Header: /site/tmp/dosrcs/src/RCS/snoop.c,v 5.2 90/07/15 11:35:49 ROOT_DOS Release $ Purdue CS";
- #endif
- /*******************************************************************
- * This program appends argv[1] to the file SNOOPFILE.
- * To avoid overlaps, it creates a lockfile with name lock in the same
- * directory as SNOOPFILE. SNOOPFILE must be defined in the cc command.
- * Prints an error message if lockfile doesn't get deleted after
- * MAXTRIES tries.
- *******************************************************************
- */
-
- /* Copyright (C) 1982, 1988, 1989 Walter Tichy
- Distributed under license by the Free Software Foundation, Inc.
-
- This file is part of RCS.
-
- RCS 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 1, or (at your option)
- any later version.
-
- RCS is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with RCS; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
-
- Report problems and direct all questions to:
-
- rcs-bugs@cs.purdue.edu
-
- */
-
-
- /* $Log: snoop.c,v $
- * Revision 5.2 90/07/15 11:35:49 ROOT_DOS
- * DOS version of RCS 4.0 checked in for MODS
- * by lfk@athena.mit.edu
- * Also update to MSC 6.0
- *
- * Revision 4.4 89/05/01 15:14:00 narten
- * changed copyright header to reflect current distribution rules
- *
- * Revision 4.3 87/12/18 11:46:52 narten
- * more lint cleanups (Guy Harris)
- *
- * Revision 4.2 87/10/18 10:41:47 narten
- * Changing version numbers. Changes relative to 1.1 actually relative to
- * 4.1
- *
- * Revision 1.2 87/09/24 14:01:41 narten
- * Sources now pass through lint (if you ignore printf/sprintf/fprintf
- * warnings)
- *
- * Revision 1.1 84/01/23 14:50:49 kcs
- * Initial revision
- *
- * Revision 4.1 83/03/28 13:23:42 wft
- * No change; just new revision number.
- *
- * Revision 3.2 82/12/04 17:14:31 wft
- * Added rcsbase.h, changed SNOOPDIR to SNOOPFILE, reintroduced
- * error message in case of permanent locking.
- *
- * Revision 3.1 82/10/18 21:22:03 wft
- * Number of polls now 20, no error message if critical section can't
- * be entered.
- *
- * Revision 2.3 82/07/01 23:49:28 wft
- * changed copyright notice only.
- *
- * Revision 2.2 82/06/03 20:00:10 wft
- * changed name from rcslog to snoop, replaced LOGDIR with SNOOPDIR.
- *
- * Revision 2.1 82/05/06 17:55:54 wft
- * Initial revision
- *
- */
-
-
- #include "rcsbase.h"
- #define fflsbuf _flsbuf
- /* undo redefinition of putc in rcsbase.h */
-
- char lockfname[NCPPN];
- FILE * logfile;
- int lockfile;
-
- #define MAXTRIES 20
-
- main(argc,argv)
- int argc; char * argv[];
- /* writes argv[1] to SNOOPFILE and appends a newline. Invoked as follows:
- * rcslog logmessage
- */
- { int tries;
- register char * lastslash, *sp;
-
- VOID strcpy(lockfname,(char *) SNOOPFILE);
- lastslash = sp = lockfname;
- while (*sp) if (*sp++ =='/') lastslash=sp; /* points beyond / */
- VOID strcpy(lastslash,",lockfile");
- tries=0;
- while (((lockfile=creat(lockfname, 000)) == -1) && (tries<=MAXTRIES)) {
- tries++;
- sleep(5);
- }
- if (tries<=MAXTRIES) {
- VOID close(lockfile);
- if ((logfile=fopen(SNOOPFILE,"a")) ==NULL) {
- VOID fprintf(stderr,"Can't open logfile %s\n",SNOOPFILE);
- } else {
- VOID fputs(argv[1],logfile);
- VOID putc('\n',logfile);
- VOID fclose(logfile);
- }
- VOID unlink(lockfname);
- } else {
- VOID fprintf(stderr,"RCS logfile %s seems permanently locked.\n",SNOOPFILE);
- VOID fprintf(stderr,"Please alert system administrator\n");
- }
- }
-