X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=src%2Fnames.c;h=a5f2f7e70f346ff1c24e757501fb63790fdfad46;hb=2433f6813ec6a0c00e6c49b8f38725cd4a78c66c;hp=7a4e006560cff44940daf26126e9ee7d47a58a72;hpb=b1219173689332bd0cfbf4e95577b58f61972c59;p=chaz%2Ftar diff --git a/src/names.c b/src/names.c index 7a4e006..a5f2f7e 100644 --- a/src/names.c +++ b/src/names.c @@ -17,7 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#include "system.h" +#include #include #include @@ -56,6 +56,8 @@ static char *cached_no_such_gname; static uid_t cached_no_such_uid; static gid_t cached_no_such_gid; +static void register_individual_file (char const *name); + /* Given UID, find the corresponding UNAME. */ void uid_to_uname (uid_t uid, char **uname) @@ -358,6 +360,8 @@ name_next (int change_dirs) else { unquote_string (name_buffer); + if (incremental_option) + register_individual_file (name_buffer); return name_buffer; } } @@ -935,7 +939,7 @@ new_name (const char *file_name, const char *name) bool excluded_name (char const *name) { - return excluded_filename (excluded, name + FILESYSTEM_PREFIX_LEN (name)); + return excluded_filename (excluded, name + FILE_SYSTEM_PREFIX_LEN (name)); } /* Hash tables of strings. */ @@ -1001,7 +1005,44 @@ is_avoided_name (char const *name) { return hash_string_lookup (avoided_name_table, name); } + + +static Hash_table *individual_file_table; + +static void +register_individual_file (char const *name) +{ + struct stat st; + + if (deref_stat (dereference_option, name, &st) != 0) + return; /* Will be complained about later */ + if (S_ISDIR (st.st_mode)) + return; + + hash_string_insert (&individual_file_table, name); +} + +bool +is_individual_file (char const *name) +{ + return hash_string_lookup (individual_file_table, name); +} + + +static Hash_table *prefix_table[2]; + +/* Return true if file names of some members in the archive were stripped off + their leading components. We could have used + return prefix_table[0] || prefix_table[1] + but the following seems to be safer: */ +bool +removed_prefixes_p (void) +{ + return (prefix_table[0] && hash_get_n_entries (prefix_table[0]) != 0) + || (prefix_table[1] && hash_get_n_entries (prefix_table[1]) != 0); +} + /* Return a safer suffix of FILE_NAME, or "." if it has no safer suffix. Check for fully specified file names and other atrocities. Warn the user if we do not return NAME. If LINK_TARGET is 1, @@ -1019,7 +1060,7 @@ safer_name_suffix (char const *file_name, bool link_target) /* Skip file system prefixes, leading file name components that contain "..", and leading slashes. */ - size_t prefix_len = FILESYSTEM_PREFIX_LEN (file_name); + size_t prefix_len = FILE_SYSTEM_PREFIX_LEN (file_name); for (p = file_name + prefix_len; *p; ) { @@ -1041,7 +1082,6 @@ safer_name_suffix (char const *file_name, bool link_target) if (prefix_len) { - static Hash_table *prefix_table[2]; char *prefix = alloca (prefix_len + 1); memcpy (prefix, file_name, prefix_len); prefix[prefix_len] = '\0'; @@ -1083,7 +1123,7 @@ safer_name_suffix (char const *file_name, bool link_target) size_t stripped_prefix_len (char const *file_name, size_t num) { - char const *p = file_name + FILESYSTEM_PREFIX_LEN (file_name); + char const *p = file_name + FILE_SYSTEM_PREFIX_LEN (file_name); while (ISSLASH (*p)) p++; while (*p) @@ -1105,7 +1145,7 @@ stripped_prefix_len (char const *file_name, size_t num) bool contains_dot_dot (char const *name) { - char const *p = name + FILESYSTEM_PREFIX_LEN (name); + char const *p = name + FILE_SYSTEM_PREFIX_LEN (name); for (;; p++) {