X-Git-Url: https://git.wh0rd.org/?a=blobdiff_plain;f=dump%2Fitime.c;h=41eb78a9c20ea8ce956afd05640ac0bfce284d86;hb=8cef350eb9ffa2e543a95756a8f605175380f7b0;hp=e29632cf75626cf721a38ab238d282f2bcbcd46c;hpb=8d4197bb9ba5bbcef21409231ed8903b0cac353a;p=dump.git

diff --git a/dump/itime.c b/dump/itime.c
index e29632c..41eb78a 100644
--- a/dump/itime.c
+++ b/dump/itime.c
@@ -2,8 +2,8 @@
  *	Ported to Linux's Second Extended File System as part of the
  *	dump and restore backup suit
  *	Remy Card <card@Linux.EU.Org>, 1994-1997
- *      Stelian Pop <pop@cybercable.fr>, 1999 
- *
+ *	Stelian Pop <pop@noos.fr>, 1999-2000
+ *	Stelian Pop <pop@noos.fr> - Alcôve <www.alcove.fr>, 2000
  */
 
 /*-
@@ -40,22 +40,33 @@
  */
 
 #ifndef lint
-#if 0
-static char sccsid[] = "@(#)itime.c	8.1 (Berkeley) 6/5/93";
-#endif
 static const char rcsid[] =
-	"$Id: itime.c,v 1.4 1999/10/11 13:08:07 stelian Exp $";
+	"$Id: itime.c,v 1.20 2001/07/18 09:12:05 stelian Exp $";
 #endif /* not lint */
 
+#include <config.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#ifdef __STDC__
+#include <stdlib.h>
+#include <string.h>
+#endif
+
 #include <sys/param.h>
 #include <sys/time.h>
+#include <time.h>
 #ifdef	__linux__
+#ifdef HAVE_EXT2FS_EXT2_FS_H
+#include <ext2fs/ext2_fs.h>
+#else
 #include <linux/ext2_fs.h>
+#endif
+#include <ext2fs/ext2fs.h>
 #include <bsdcompat.h>
 #include <sys/file.h>
 #include <unistd.h>
-#else
-#ifdef sunos
+#elif defined sunos
 #include <sys/vnode.h>
 
 #include <ufs/fsdir.h>
@@ -64,28 +75,15 @@ static const char rcsid[] =
 #else
 #include <ufs/ufs/dinode.h>
 #endif
-#endif
 
 #include <protocols/dumprestore.h>
 
-#include <errno.h>
-#include <fcntl.h>
-#include <stdio.h>
-#ifdef __STDC__
-#include <stdlib.h>
-#include <string.h>
-#endif
-
-#ifdef	__linux__
-#include <ext2fs/ext2fs.h>
-#endif
-
 #include "dump.h"
 
-struct	dumpdates **ddatev = 0;
-int	nddates = 0;
-int	ddates_in = 0;
-struct	dumptime *dthead = 0;
+struct	dumpdates **ddatev;
+int	nddates;
+int	ddates_in;
+struct	dumptime *dthead;
 
 static	void dumprecout __P((FILE *, struct dumpdates *));
 static	int getrecord __P((FILE *, struct dumpdates *));
@@ -162,20 +160,19 @@ getdumptime(int createdumpdates)
 {
 	register struct dumpdates *ddp;
 	register int i;
-	char *fname;
 
-	fname = disk;
 #ifdef FDEBUG
 	msg("Looking for name %s in dumpdates = %s for level = %c\n",
-		fname, dumpdates, level);
+		disk, dumpdates, level);
 #endif
 	spcl.c_ddate = 0;
 	lastlevel = '0';
 
-	/* if we're not going to update dumpdates, there's no point in reading
-	   it, particularly since /var might not be mounted... wait until here
-	   to benefit from the initialization of variables needed by parent */
-	if (!uflag && level == lastlevel)
+	/* If this is a level 0 dump, and we're not updating 
+	   dumpdates, there's no point in trying to read
+	   dumpdates.  It may not exist yet, or may not be mounted.  For
+	   incrementals, we *must* read dumpdates (fail if it's not there!) */
+	if ( (level == lastlevel) && !createdumpdates)
 		return;
 	initdumptimes(createdumpdates);
 	if (ddatev == NULL)
@@ -185,15 +182,11 @@ getdumptime(int createdumpdates)
 	 *	and older date
 	 */
 	ITITERATE(i, ddp) {
-		if (strncmp(fname, ddp->dd_name, sizeof (ddp->dd_name)) != 0)
+		if (strncmp(disk, ddp->dd_name, sizeof (ddp->dd_name)) != 0)
 			continue;
 		if (ddp->dd_level >= level)
 			continue;
-#ifdef	__linux__
 		if (ddp->dd_ddate <= (time_t)spcl.c_ddate)
-#else
-		if (ddp->dd_ddate <= spcl.c_ddate)
-#endif
 			continue;
 		spcl.c_ddate = ddp->dd_ddate;
 		lastlevel = ddp->dd_level;
@@ -207,7 +200,6 @@ putdumptime(void)
 	register struct dumpdates *dtwalk;
 	register int i;
 	int fd;
-	char *fname;
 
 	if(uflag == 0)
 		return;
@@ -215,7 +207,6 @@ putdumptime(void)
 		quit("cannot rewrite %s: %s\n", dumpdates, strerror(errno));
 	fd = fileno(df);
 	(void) flock(fd, LOCK_EX);
-	fname = disk;
 	free((char *)ddatev);
 	ddatev = 0;
 	nddates = 0;
@@ -226,7 +217,7 @@ putdumptime(void)
 		quit("fseek: %s\n", strerror(errno));
 	spcl.c_ddate = 0;
 	ITITERATE(i, dtwalk) {
-		if (strncmp(fname, dtwalk->dd_name,
+		if (strncmp(disk, dtwalk->dd_name,
 				sizeof (dtwalk->dd_name)) != 0)
 			continue;
 		if (dtwalk->dd_level != level)
@@ -241,7 +232,7 @@ putdumptime(void)
 		(struct dumpdates *)calloc(1, sizeof (struct dumpdates));
 	nddates += 1;
   found:
-	(void) strncpy(dtwalk->dd_name, fname, sizeof (dtwalk->dd_name));
+	(void) strncpy(dtwalk->dd_name, disk, sizeof (dtwalk->dd_name));
 	dtwalk->dd_level = level;
 	dtwalk->dd_ddate = spcl.c_date;
 
@@ -253,19 +244,13 @@ putdumptime(void)
 	if (ftruncate(fd, ftell(df)))
 		quit("ftruncate (%s): %s\n", dumpdates, strerror(errno));
 	(void) fclose(df);
-	msg("level %c dump on %s", level,
-#ifdef	__linux__
-		spcl.c_date == 0 ? "the epoch\n" : ctime4(&spcl.c_date));
-#else
-		spcl.c_date == 0 ? "the epoch\n" : ctime(&spcl.c_date));
-#endif
 }
 
 static void
 dumprecout(FILE *file, struct dumpdates *what)
 {
 
-	if (fprintf(file, DUMPOUTFMT,
+	if (fprintf(file, "%s %c %s",
 		    what->dd_name,
 		    what->dd_level,
 		    ctime(&what->dd_ddate)) < 0)
@@ -297,11 +282,30 @@ getrecord(FILE *df, struct dumpdates *ddatep)
 static int
 makedumpdate(struct dumpdates *ddp, char *tbuf)
 {
-	char un_buf[BUFSIZ];
+	char *tok;
+	
+	/* device name */
+	if ( NULL == (tok = strsep( &tbuf, " ")) )
+		return(-1);
+	if ( strlen(tok) >  MAXPATHLEN )
+		return(-1);
+	strcpy(ddp->dd_name, tok);
+
+	/* eat whitespace */
+	for( ; *tbuf == ' ' ; tbuf++);
+
+	/* dump level */
+	ddp->dd_level = *tbuf;
+	++tbuf;
+
+	/* eat whitespace */
+	for( ; *tbuf == ' ' ; tbuf++);
 
-	(void) sscanf(tbuf, DUMPINFMT, ddp->dd_name, &ddp->dd_level, un_buf);
-	ddp->dd_ddate = unctime(un_buf);
+	/* dump date */
+	ddp->dd_ddate = unctime(tbuf);
 	if (ddp->dd_ddate < 0)
 		return(-1);
+	/* fstab entry */
+	ddp->dd_fstab = fstabsearch(ddp->dd_name);
 	return(0);
 }