X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=src%2Fincremen.c;h=cc5856a5272569b9098081f4d0653581f81457b5;hb=05ba292a938a6450cc0a4e1dbf778159de2f5868;hp=b5eec8f0eaaad687c7d379990be5a829addcfddf;hpb=1e304fc5fd4fba5455057e74b09d08f954753340;p=chaz%2Ftar diff --git a/src/incremen.c b/src/incremen.c index b5eec8f..cc5856a 100644 --- a/src/incremen.c +++ b/src/incremen.c @@ -361,6 +361,20 @@ get_directory_contents (char *dir_name, dev_t device) return buffer; } +size_t +dumpdir_size (const char *p) +{ + size_t totsize = 0; + + while (*p) + { + size_t size = strlen (p) + 1; + totsize += size; + p += size; + } + return totsize + 1; +} + static FILE *listed_incremental_stream; @@ -617,43 +631,31 @@ write_directory_file (void) /* Restoration of incremental dumps. */ -/* Examine the directories under directory_name and delete any - files that were not there at the time of the back-up. */ void -purge_directory (char const *directory_name) +get_gnu_dumpdir () { - char *archive_dir; - char *current_dir; - char *cur, *arc; size_t size; size_t copied; union block *data_block; char *to; - - current_dir = savedir (directory_name); - - if (!current_dir) - { - /* The directory doesn't exist now. It'll be created. In any - case, we don't have to delete any files out of it. */ - - skip_member (); - return; - } - + char *archive_dir; + size = current_stat_info.stat.st_size; if (size != current_stat_info.stat.st_size) xalloc_die (); + archive_dir = xmalloc (size); to = archive_dir; + + set_next_block_after (current_header); + mv_begin (¤t_stat_info); + for (; size > 0; size -= copied) { + mv_size_left (size); data_block = find_next_block (); if (!data_block) - { - ERROR ((0, 0, _("Unexpected EOF in archive"))); - break; /* FIXME: What happens then? */ - } + ERROR ((1, 0, _("Unexpected EOF in archive"))); copied = available_space_after (data_block); if (copied > size) copied = size; @@ -663,9 +665,36 @@ purge_directory (char const *directory_name) (data_block->buffer + copied - 1)); } + mv_end (); + + current_stat_info.stat.st_size = 0; /* For skip_member() and friends + to work correctly */ + current_stat_info.dumpdir = archive_dir; +} + + +/* Examine the directories under directory_name and delete any + files that were not there at the time of the back-up. */ +void +purge_directory (char const *directory_name) +{ + char *current_dir; + char *cur, *arc; + + current_dir = savedir (directory_name); + + if (!current_dir) + { + /* The directory doesn't exist now. It'll be created. In any + case, we don't have to delete any files out of it. */ + + skip_member (); + return; + } + for (cur = current_dir; *cur; cur += strlen (cur) + 1) { - for (arc = archive_dir; *arc; arc += strlen (arc) + 1) + for (arc = current_stat_info.dumpdir; *arc; arc += strlen (arc) + 1) { arc++; if (!strcmp (arc, cur)) @@ -707,7 +736,6 @@ purge_directory (char const *directory_name) } free (current_dir); - free (archive_dir); } void