X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=src%2Fextract.c;h=5aaeb1bf603192d01693f330043f3225a2e52690;hb=15c02c2b9d383446b3ea35dbea5a048e136b020d;hp=b6fdbbba96534b61daf6acd7766757e32c32183a;hpb=2af87fa2776c8125a587a9b0c2c4fae3bf921ff7;p=chaz%2Ftar diff --git a/src/extract.c b/src/extract.c index b6fdbbb..5aaeb1b 100644 --- a/src/extract.c +++ b/src/extract.c @@ -1,7 +1,7 @@ /* Extract files from a tar archive. - Copyright 1988, 1992-1994, 1996-2001, 2003-2007, 2010, 2012-2013 - Free Software Foundation, Inc. + Copyright 1988, 1992-1994, 1996-2001, 2003-2007, 2010, 2012-2014 Free + Software Foundation, Inc. This file is part of GNU tar. @@ -191,35 +191,6 @@ extr_init (void) umask (newdir_umask); /* restore the kernel umask */ current_umask = newdir_umask; } - - /* If the user wants to guarantee that everything is under one directory, - determine its name now and let it be created later. */ - if (one_top_level_option) - { - int i; - char *base = base_name (archive_name_array[0]); - - for (i = strlen (base) - 1; i > 2; i--) - if (!strncmp (base + i - 3, ".tar", 4) || - !strncmp (base + i - 3, ".taz", 4) || - !strncmp (base + i - 3, ".tbz", 4) || - !strncmp (base + i - 3, ".tb2", 4) || - !strncmp (base + i - 3, ".tgz", 4) || - !strncmp (base + i - 3, ".tlz", 4) || - !strncmp (base + i - 3, ".txz", 4)) break; - - if (i <= 3) - { - one_top_level_option = false; - free (base); - return; - } - - one_top_level = xmalloc (i - 2); - strncpy (one_top_level, base, i - 3); - one_top_level[i - 3] = '\0'; - free (base); - } } /* Use fchmod if possible, fchmodat otherwise. */ @@ -566,6 +537,38 @@ repair_delayed_set_stat (char const *dir, quotearg_colon (dir))); } +static void +free_delayed_set_stat (struct delayed_set_stat *data) +{ + xheader_xattr_free (data->xattr_map, data->xattr_map_size); + free (data->cntx_name); + free (data->acls_a_ptr); + free (data->acls_d_ptr); + free (data); +} + +void +remove_delayed_set_stat (const char *fname) +{ + struct delayed_set_stat *data, *next, *prev = NULL; + for (data = delayed_set_stat_head; data; data = next) + { + next = data->next; + if (chdir_current == data->change_dir + && strcmp (data->file_name, fname) == 0) + { + free_delayed_set_stat (data); + if (prev) + prev->next = next; + else + delayed_set_stat_head = next; + return; + } + else + prev = data; + } +} + /* After a file/link/directory creation has failed, see if it's because some required directory was not present, and if so, create all required directories. Return zero if all the required @@ -875,11 +878,7 @@ apply_nonancestor_delayed_set_stat (char const *file_name, bool after_links) } delayed_set_stat_head = data->next; - xheader_xattr_free (data->xattr_map, data->xattr_map_size); - free (data->cntx_name); - free (data->acls_a_ptr); - free (data->acls_d_ptr); - free (data); + free_delayed_set_stat (data); } } @@ -1607,33 +1606,6 @@ prepare_to_extract (char const *file_name, int typeflag, tar_extractor_t *fun) return 1; } -void -maybe_prepend_name (char **file_name) -{ - int i; - - for (i = 0; i < strlen (*file_name); i++) - if (!ISSLASH ((*file_name)[i]) && (*file_name)[i] != '.') break; - - if (i == strlen (*file_name)) - return; - - if (!strncmp (*file_name + i, one_top_level, strlen (one_top_level))) - { - int pos = i + strlen (one_top_level); - if (ISSLASH ((*file_name)[pos]) || (*file_name)[pos] == '\0') return; - } - - char *new_name = xmalloc (strlen (one_top_level) + strlen (*file_name) + 2); - - strcpy (new_name, one_top_level); - strcat (new_name, "/"); - strcat (new_name, *file_name); - - free (*file_name); - *file_name = new_name; -} - /* Extract a file from the archive. */ void extract_archive (void) @@ -1684,9 +1656,6 @@ extract_archive (void) typeflag = sparse_member_p (¤t_stat_info) ? GNUTYPE_SPARSE : current_header->header.typeflag; - if (one_top_level_option) - maybe_prepend_name (¤t_stat_info.file_name); - if (prepare_to_extract (current_stat_info.file_name, typeflag, &fun)) { if (fun && (*fun) (current_stat_info.file_name, typeflag)