X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;ds=sidebyside;f=src%2Fcompare.c;h=ea41cb35090aadbbc52d9fdc10ff9eef57ffe13d;hb=2a61a3701f1fa04e83a2a39013ab56530a44b777;hp=91ced57031925ddce030a4df2dc7f1d8decd4452;hpb=73d0d1a0f883be5f67534362c99382f1eae8d178;p=chaz%2Ftar diff --git a/src/compare.c b/src/compare.c index 91ced57..ea41cb3 100644 --- a/src/compare.c +++ b/src/compare.c @@ -80,7 +80,7 @@ process_noop (size_t size __attribute__ ((unused)), static int process_rawdata (size_t bytes, char *buffer) { - size_t status = safe_read (diff_handle, diff_buffer, bytes); + size_t status = blocking_read (diff_handle, diff_buffer, bytes); if (status != bytes) { @@ -234,7 +234,8 @@ diff_file (void) else read_and_process (¤t_stat_info, process_rawdata); - if (atime_preserve_option == replace_atime_preserve) + if (atime_preserve_option == replace_atime_preserve + && stat_data.st_size != 0) { struct timespec atime = get_stat_atime (&stat_data); if (set_file_atime (diff_handle, chdir_fd, file_name, atime) @@ -358,31 +359,44 @@ dumpdir_cmp (const char *a, const char *b) } static void -diff_dumpdir (void) +diff_dumpdir (struct tar_stat_info *dir) { const char *dumpdir_buffer; - dev_t dev = 0; struct stat stat_data; - if (deref_stat (current_stat_info.file_name, &stat_data) != 0) + if (deref_stat (dir->file_name, &stat_data) != 0) { if (errno == ENOENT) - stat_warn (current_stat_info.file_name); + stat_warn (dir->file_name); else - stat_error (current_stat_info.file_name); + stat_error (dir->file_name); } - else - dev = stat_data.st_dev; - dumpdir_buffer = directory_contents (scan_directory (¤t_stat_info)); + if (dir->fd == 0) + { + void (*diag) (char const *) = NULL; + int fd = subfile_open (dir->parent, dir->orig_file_name, open_read_flags); + if (fd < 0) + diag = open_diag; + else if (fstat (fd, &dir->stat)) + diag = stat_diag; + else + dir->fd = fd; + if (diag) + { + file_removed_diag (dir->orig_file_name, false, diag); + return; + } + } + dumpdir_buffer = directory_contents (scan_directory (dir)); if (dumpdir_buffer) { - if (dumpdir_cmp (current_stat_info.dumpdir, dumpdir_buffer)) - report_difference (¤t_stat_info, _("Contents differ")); + if (dumpdir_cmp (dir->dumpdir, dumpdir_buffer)) + report_difference (dir, _("Contents differ")); } else - read_and_process (¤t_stat_info, process_noop); + read_and_process (dir, process_noop); } static void @@ -460,7 +474,7 @@ diff_archive (void) switch (current_header->header.typeflag) { default: - ERROR ((0, 0, _("%s: Unknown file type `%c', diffed as normal file"), + ERROR ((0, 0, _("%s: Unknown file type '%c', diffed as normal file"), quotearg_colon (current_stat_info.file_name), current_header->header.typeflag)); /* Fall through. */ @@ -497,7 +511,7 @@ diff_archive (void) case GNUTYPE_DUMPDIR: case DIRTYPE: if (is_dumpdir (¤t_stat_info)) - diff_dumpdir (); + diff_dumpdir (¤t_stat_info); diff_dir (); break; @@ -528,7 +542,9 @@ verify_volume (void) if (may_fail) WARN((0, 0, _("Verification may fail to locate original files."))); - + + clear_directory_table (); + if (!diff_buffer) diff_init ();