Implemented a -M(ulti volume) option for dump.

[dump.git] / dump / main.c

diff --git a/dump/main.c b/dump/main.c
index 1ccbf367840438179d24dcca53c7ae5d86a22126..5e8f79f2a45bb7fe19b889456191453cb09acd55 100644 (file)
--- a/dump/main.c
+++ b/dump/main.c
@@ -40,7 +40,7 @@
 
 #ifndef lint
 static const char rcsid[] =
-       "$Id: main.c,v 1.7 1999/11/21 02:24:47 tiniou Exp $";
+       "$Id: main.c,v 1.8 1999/11/21 16:01:47 tiniou Exp $";
 #endif /* not lint */
 
 #include <sys/param.h>
@@ -137,8 +137,8 @@ main(int argc, char *argv[])
 #endif
 
        tsize = 0;      /* Default later, based on 'c' option for cart tapes */
-       if ((tape = getenv("TAPE")) == NULL)
-               tape = _PATH_DEFTAPE;
+       if ((tapeprefix = getenv("TAPE")) == NULL)
+               tapeprefix = _PATH_DEFTAPE;
        dumpdates = _PATH_DUMPDATES;
        temp = _PATH_DTMP;
        strcpy(labelstr, "none");       /* XXX safe strcpy. */
@@ -151,9 +151,9 @@ main(int argc, char *argv[])
 
        obsolete(&argc, &argv);
 #ifdef KERBEROS
-#define optstring "0123456789aB:b:cd:f:h:kL:ns:T:uWw"
+#define optstring "0123456789aB:b:cd:f:h:kL:Mns:T:uWw"
 #else
-#define optstring "0123456789aB:b:cd:f:h:L:ns:T:uWw"
+#define optstring "0123456789aB:b:cd:f:h:L:Mns:T:uWw"
 #endif
        while ((ch = getopt(argc, argv, optstring)) != -1)
 #undef optstring
@@ -195,7 +195,7 @@ main(int argc, char *argv[])
                        break;
 
                case 'f':               /* output file */
-                       tape = optarg;
+                       tapeprefix = optarg;
                        break;
 
                case 'h':
@@ -225,6 +225,10 @@ main(int argc, char *argv[])
                        }
                        break;
 
+               case 'M':               /* multi-volume flag */
+                       Mflag = 1;
+                       break;
+
                case 'n':               /* notify operators */
                        notify = 1;
                        break;
@@ -277,9 +281,9 @@ main(int argc, char *argv[])
                    "You cannot use the T and u flags together.\n");
                exit(X_STARTUP);
        }
-       if (strcmp(tape, "-") == 0) {
+       if (strcmp(tapeprefix, "-") == 0) {
                pipeout++;
-               tape = "standard output";
+               tapeprefix = "standard output";
        }
 
        if (blocksperfile)
@@ -301,12 +305,12 @@ main(int argc, char *argv[])
                        tsize = cartridge ? 1700L*120L : 2300L*120L;
        }
 
-       if (strchr(tape, ':')) {
-               host = tape;
-               tape = strchr(host, ':');
-               *tape++ = '\0';
+       if (strchr(tapeprefix, ':')) {
+               host = tapeprefix;
+               tapeprefix = strchr(host, ':');
+               *tapeprefix++ = '\0';
 #ifdef RDUMP
-               if (index(tape, '\n')) {
+               if (index(tapeprefix, '\n')) {
                    (void)fprintf(stderr, "invalid characters in tape\n");
                    exit(X_STARTUP);
                }
@@ -392,6 +396,12 @@ main(int argc, char *argv[])
                spcl.c_level = 0;
        }
 
+       if (Mflag)
+               snprintf(tape, NAME_MAX, "%s%03d", tapeprefix, tapeno + 1);
+       else
+               strncpy(tape, tapeprefix, NAME_MAX);
+       tape[NAME_MAX - 1] = '\0';
+
        msg("Date of this level %c dump: %s", level,
 #ifdef __linux__
                spcl.c_date == 0 ? "the epoch\n" : ctime4(&spcl.c_date));
@@ -656,7 +666,7 @@ usage(void)
 #ifdef KERBEROS
                "k"
 #endif
-               "nu] [-B records] [-b blocksize] [-d density]\n"
+               "Mnu] [-B records] [-b blocksize] [-d density]\n"
                "\t%s [-f file] [-h level] [-s feet] [-T date] filesystem\n"
                "\t%s [-W | -w]\n", __progname, white, __progname);
        exit(X_STARTUP);