]> git.wh0rd.org - dump.git/blobdiff - restore/utilities.c
kill "register".
[dump.git] / restore / utilities.c
index 44cea0454c343c9d513b72da27444320384eb3ca..627e147875ee44d5454aa4f8810f8462e852ed97 100644 (file)
@@ -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 <stelian@popies.net>, 1999-2000
+ *     Stelian Pop <stelian@popies.net> - AlcĂ´ve <www.alcove.com>, 2000-2002
  */
 
 /*
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
- *
- * $Id: utilities.c,v 1.5 1999/10/11 13:31:14 stelian Exp $
  */
 
+#ifndef lint
+static const char rcsid[] =
+       "$Id: utilities.c,v 1.19 2002/01/25 15:09:00 stelian Exp $";
+#endif /* not lint */
+
+#include <config.h>
+#include <errno.h>
+#include <compaterr.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
 #include <sys/param.h>
 #include <sys/stat.h>
 
 #ifdef __linux__
 #include <sys/time.h>
+#include <time.h>
+#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>
 #else  /* __linux__ */
 #include <ufs/ufs/dinode.h>
 #include <ufs/ufs/dir.h>
 #endif /* __linux__ */
 
-#include <errno.h>
-#include <compaterr.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-
-#ifdef __linux__
-#include <ext2fs/ext2fs.h>
-#endif
-
 #include "restore.h"
 #include "extern.h"
 
@@ -72,7 +78,7 @@
 void
 pathcheck(char *name)
 {
-       register char *cp;
+       char *cp;
        struct entry *ep;
        char *start;
 
@@ -242,6 +248,18 @@ linkit(char *existing, char *new, int type)
                                ret = link(existing, new);
                                chflags(existing, s.st_flags);
                        }
+#else
+                       unsigned long s;
+
+                       /*
+                        * Most likely, the immutable or append-only attribute
+                        * is set. Clear the attributes and try again.
+                        */
+                       if (fgetflags (existing, &s) != -1 &&
+                           fsetflags (existing, 0) != -1) {
+                               ret = link(existing, new);
+                               fsetflags(existing, s);
+                       }
 #endif
                        if (ret < 0) {
                                warn("warning: cannot create hard link %s->%s",
@@ -298,10 +316,10 @@ delwhiteout(struct entry *ep)
 /*
  * find lowest number file (above "start") that needs to be extracted
  */
-ino_t
-lowerbnd(ino_t start)
+dump_ino_t
+lowerbnd(dump_ino_t start)
 {
-       register struct entry *ep;
+       struct entry *ep;
 
        for ( ; start < maxino; start++) {
                ep = lookupino(start);
@@ -316,10 +334,10 @@ lowerbnd(ino_t start)
 /*
  * find highest number file (below "start") that needs to be extracted
  */
-ino_t
-upperbnd(ino_t start)
+dump_ino_t
+upperbnd(dump_ino_t start)
 {
-       register struct entry *ep;
+       struct entry *ep;
 
        for ( ; start > ROOTINO; start--) {
                ep = lookupino(start);
@@ -384,11 +402,11 @@ flagvalues(struct entry *ep)
 /*
  * Check to see if a name is on a dump tape.
  */
-ino_t
+dump_ino_t
 dirlookup(const char *name)
 {
        struct direct *dp;
-       ino_t ino;
+       dump_ino_t ino;
 
        ino = ((dp = pathsearch(name)) == NULL) ? 0 : dp->d_ino;
 
@@ -452,3 +470,76 @@ panic(fmt, va_alist)
                exit(1);
        }
 }
+
+#ifdef USE_QFA
+/*
+ * search for ino in QFA file
+ *
+ * if exactmatch:
+ * if ino found return tape number and tape position
+ * if ino not found return tnum=0 and tpos=0
+ *
+ * if not exactmatch:
+ * if ino found return tape number and tape position
+ * if ino not found return tape number and tape position of last smaller ino
+ * if no smaller inode found return tnum=0 and tpos=0
+ */
+int
+Inode2Tapepos(dump_ino_t ino, long *tnum, long long *tpos, int exactmatch)
+{
+       char *p, *pp;
+       char numbuff[32];
+       unsigned long tmpino;
+       long tmptnum;
+       long long tmptpos;
+
+       *tpos = 0;
+       *tnum = 0;
+       if (fseek(gTapeposfp, gSeekstart, SEEK_SET) == -1)
+               return errno;
+       while (fgets(gTps, sizeof(gTps), gTapeposfp) != NULL) {
+               gTps[strlen(gTps) - 1] = 0;     /* delete end of line */
+               p = gTps;
+               bzero(numbuff, sizeof(numbuff));
+               pp = numbuff;
+               /* read inode */
+               while ((*p != 0) && (*p != '\t'))
+                       *pp++ = *p++;
+               tmpino = atol(numbuff);
+               if (*p == 0)
+                       return 1;       /* may NOT happen */    
+               p++;
+               bzero(numbuff, sizeof(numbuff));
+               pp = numbuff;
+               /* read tapenum */
+               while ((*p != 0) && (*p != '\t'))
+                       *pp++ = *p++;
+               if (*p == 0)
+                       return 1;       /* may NOT happen */    
+               tmptnum = atol(numbuff);
+               p++;
+               bzero(numbuff, sizeof(numbuff));
+               pp = numbuff;
+               /* read tapepos */
+               while ((*p != 0) && (*p != '\t'))
+                       *pp++ = *p++;
+               tmptpos = atoll(numbuff);
+
+               if (exactmatch) {
+                       if (tmpino == ino)  {
+                               *tnum = tmptnum;
+                               *tpos = tmptpos;
+                               return 0;
+                       }
+               } else {
+                       if (tmpino > ino)  {
+                               return 0;
+                       } else {
+                               *tnum = tmptnum;
+                               *tpos = tmptpos;
+                       }
+               }
+       }
+       return 0;
+}
+#endif /* USE_QFA */