]> Dogcows Code - chaz/tar/commitdiff
*** empty log message ***
authorFrançois Pinard <pinard@iro.umontreal.ca>
Wed, 16 Nov 1994 02:55:58 +0000 (02:55 +0000)
committerFrançois Pinard <pinard@iro.umontreal.ca>
Wed, 16 Nov 1994 02:55:58 +0000 (02:55 +0000)
src/list.c

index cdf414bdde9539f158e306d0adc78668e6555200..c1b2f84cdc28e22de6fa4eb549b4f7d70fcd6e6f 100644 (file)
@@ -97,11 +97,10 @@ read_and(do_something)
                case 1:                 /* Valid header */
                        /* We should decode next field (mode) first... */
                        /* Ensure incoming names are null terminated. */
-                       head->header.name[NAMSIZ-1] = '\0';
 
-                       if (   !name_match(head->header.name)
+                       if (   !name_match(current_file_name)
                            || (f_new_files && hstat.st_mtime<new_time)
-                           || (f_exclude && check_exclude(head->header.name))) {
+                           || (f_exclude && check_exclude(current_file_name))) {
 
                                int isextended = 0;
 
@@ -113,7 +112,7 @@ read_and(do_something)
                                }
                                if (f_show_omitted_dirs
                                    && head->header.linkflag == LF_DIR)
-                                 msg ("Omitting %s\n", head->header.name);
+                                 msg ("Omitting %s\n", current_file_name);
                                /* Skip past it in the archive */
                                if (head->header.isextended)
                                        isextended = 1;
@@ -205,7 +204,7 @@ list_archive()
 
                userec(head);
                if(f_multivol) {
-                       save_name = head->header.name;
+                       save_name = current_file_name;
                        save_totsize=hstat.st_size;
                }
                for(size = hstat.st_size;size>0;size-=written) {
@@ -223,7 +222,7 @@ list_archive()
                        check=fwrite(data,sizeof(char), written, msg_file);
                        userec((union record *)(data+written - 1));
                        if(check!=written) {
-                               msg_perror("only wrote %ld of %ld bytes to file %s",check, written,head->header.name);
+                               msg_perror("only wrote %ld of %ld bytes to file %s",check, written,current_file_name);
                                skip_file((long)(size)-written);
                                break;
                        }
@@ -265,7 +264,7 @@ list_archive()
        }
                        
        if(f_multivol)
-               save_name=head->header.name;
+               save_name=current_file_name;
        /* Skip to the next header on the archive */
                
        skip_file((long) hstat.st_size);
@@ -294,7 +293,13 @@ read_header()
        register char   *p;
        register union record *header;
        long    from_oct();
+       char **longp;
+       char *bp, *data;
+       int size, written;
+       static char *next_long_name, *next_long_link;
 
+      recurse:
+       
        header = findrec();
        head = header;          /* This is our current header */
        if (NULL == header)
@@ -317,17 +322,6 @@ read_header()
                sum -= 0xFF & header->header.chksum[i];
        sum += ' '* sizeof header->header.chksum;       
 
-       if (sum == recsum) {
-               /*
-                * Good record.  Decode file size and return.
-                */
-               if (header->header.linkflag == LF_LINK)
-                       hstat.st_size = 0;      /* Links 0 size on tape */
-               else
-                       hstat.st_size = from_oct(1+12, header->header.size);
-               return 1;
-       }
-
        if (sum == 8*' ') {
                /*
                 * This is a zeroed record...whole record is 0's except
@@ -336,7 +330,61 @@ read_header()
                return 2;
        }
 
-       return 0;
+       if (sum != recsum) 
+         return 0;
+       
+       /*
+        * Good record.  Decode file size and return.
+        */
+       if (header->header.linkflag == LF_LINK)
+         hstat.st_size = 0;    /* Links 0 size on tape */
+       else
+         hstat.st_size = from_oct(1+12, header->header.size);
+       
+       header->header.arch_name[NAMSIZ-1] = '\0';
+       if (header->header.linkflag == LF_LONGNAME
+           || header->header.linkflag == LF_LONGLINK)
+         {
+           longp = ((header->header.linkflag == LF_LONGNAME)
+                    ? &next_long_name
+                    : &next_long_link);
+           
+           userec (header);
+           if (*longp)
+             free (*longp);
+           bp = *longp = (char *) ck_malloc (hstat.st_size);
+
+           for (size = hstat.st_size;
+                size > 0;
+                size -= written)
+             {
+               data = findrec ()->charptr;
+               if (data == NULL)
+                 {
+                   msg ("Unexpected EOF on archive file");
+                   break;
+                 }
+               written = endofrecs () ->charptr - data;
+               if (written > size)
+                 written = size;
+                    
+               bcopy (data, bp, written);
+               bp += written;
+               userec ((union record *) (data + written - 1));
+             }
+           goto recurse;
+         }
+       else
+         {
+           current_file_name = (next_long_name
+                                ? next_long_name
+                                : header->header.arch_name);
+           current_link_name = (next_long_link
+                                ? next_long_link
+                                : header->header.arch_linkname);
+           next_long_link = next_long_name = 0;
+           return 1;
+         }
 }
 
 
@@ -363,8 +411,10 @@ decode_header(header, st, stdp, wantug)
        int     *stdp;
        int     wantug;
 {
-
        long from_oct();
+       char **longp;
+       char *bp, *data;
+       int size, written;
 
        st->st_mode = from_oct(8,  header->header.mode);
        st->st_mtime = from_oct(1+12, header->header.mtime);
@@ -471,20 +521,23 @@ print_header()
        int     pad;
        char *name;
        extern long baserec;
+       static char *longname;
+       static char *longlink;
+       int bumplongs;
 
        if(f_sayblock)
                fprintf(msg_file,"rec %10d: ",baserec + (ar_record - ar_block));
        /* annofile(msg_file, (char *)NULL); */
-
+       
        if (f_verbose <= 1) {
                /* Just the fax, mam. */
                char *name;
 
-               name=quote_copy_string(head->header.name);
+               name=quote_copy_string(current_file_name);
                if(name==0)
-                       name=head->header.name;
+                       name=current_file_name;
                fprintf(msg_file, "%s\n", name);
-               if(name!=head->header.name)
+               if(name!=current_file_name)
                        free(name);
        } else {
                /* File type and modes */
@@ -502,12 +555,17 @@ print_header()
                        modes[0]='N';
                        break;
 
+               case LF_LONGNAME:
+               case LF_LONGLINK:
+                       msg ("Visible longname error\n");
+                       break;
+
                case LF_SPARSE:
                case LF_NORMAL:
                case LF_OLDNORMAL:
                case LF_LINK:
                                modes[0] = '-'; 
-                               if ('/' == head->header.name[strlen(head->header.name)-1])
+                               if ('/' == current_file_name[strlen(current_file_name)-1])
                                        modes[0] = 'd';
                                break;
                case LF_DUMPDIR:modes[0] = 'd'; break;
@@ -565,10 +623,10 @@ print_header()
                pad = strlen(user) + strlen(group) + strlen(size) + 1;
                if (pad > ugswidth) ugswidth = pad;
 
-               name = quote_copy_string(head->header.name);
+               name = quote_copy_string(current_file_name);
                if(!name)
-                       name=head->header.name;
-               fprintf(msg_file, "%s %s/%s %*s%s %s %s %.*s",
+                       name=current_file_name;
+               fprintf(msg_file, "%s %s/%s %*s%s %s %s %s",
                        modes,
                        user,
                        group,
@@ -576,27 +634,26 @@ print_header()
                        "",
                        size,
                        timestamp+4, timestamp+20,
-                       sizeof(head->header.name),
                        name);
 
-               if(name!=head->header.name)
+               if(name!=current_file_name)
                        free(name);
                switch (head->header.linkflag) {
                case LF_SYMLINK:
-                       name=quote_copy_string(head->header.linkname);
+                       name=quote_copy_string(current_link_name);
                        if(!name)
-                               name=head->header.linkname;
+                               name=current_link_name;
                        fprintf(msg_file, " -> %s\n", name);
-                       if(name!=head->header.linkname)
+                       if(name!=current_link_name)
                                free(name);
                        break;
 
                case LF_LINK:
-                       name=quote_copy_string(head->header.linkname);
+                       name=quote_copy_string(current_link_name);
                        if(!name)
-                               name=head->header.linkname;
-                       fprintf(msg_file, " link to %s\n", head->header.linkname);
-                       if(name!=head->header.linkname)
+                               name=current_link_name;
+                       fprintf(msg_file, " link to %s\n", current_link_name);
+                       if(name!=current_link_name)
                                free(name);
                        break;
 
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