X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=src%2Fupdate.c;h=5f315703ea82c7938d5409f4ba6aaafe8451580c;hb=2f04b655d8f42123af3080d71b446494d68494cb;hp=4002844ffad64594876f728f2837e219ce735495;hpb=cc9d6c88f9cd972d8b7134b2b62a68aca1e46682;p=chaz%2Ftar diff --git a/src/update.c b/src/update.c index 4002844..5f31570 100644 --- a/src/update.c +++ b/src/update.c @@ -1,5 +1,5 @@ /* Update a tar archive. - Copyright (C) 1988, 1992, 1994, 1996, 1997 Free Software Foundation, Inc. + Copyright 1988, 92, 94, 96, 97, 99, 2000 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the @@ -21,6 +21,7 @@ they're on raw tape or something like that, it'll probably lose... */ #include "system.h" +#include #include "common.h" /* FIXME: This module should not directly handle the following variable, @@ -37,11 +38,8 @@ int time_to_start_writing; first part of the record. */ char *output_start; -/*------------------------------------------------------------------------. -| Catenate file PATH to the archive without creating a header for it. It | -| had better be a tar file or the archive is screwed. | -`------------------------------------------------------------------------*/ - +/* Catenate file PATH to the archive without creating a header for it. + It had better be a tar file or the archive is screwed. */ static void append_file (char *path) { @@ -50,12 +48,12 @@ append_file (char *path) if (handle < 0) { - ERROR ((0, errno, _("Cannot open file %s"), path)); + open_error (path); return; } if (fstat (handle, &stat_data) != 0) - ERROR ((0, errno, "%s", path)); + stat_error (path); else { off_t bytes_left = stat_data.st_size; @@ -77,14 +75,12 @@ append_file (char *path) status = safe_read (handle, start->buffer, buffer_size); if (status < 0) - FATAL_ERROR ((0, errno, - _("Read error at byte %s reading %lu bytes in file %s"), - STRINGIFY_BIGINT (stat_data.st_size - bytes_left, - buf), - (unsigned long) buffer_size, path)); + read_fatal_details (path, stat_data.st_size - bytes_left, + buffer_size); if (status == 0) - FATAL_ERROR ((0, 0, _("%s: File shrunk by %s bytes, (yark!)"), - path, STRINGIFY_BIGINT (bytes_left, buf))); + FATAL_ERROR ((0, 0, _("%s: File shrank by %s bytes"), + quotearg_colon (path), + STRINGIFY_BIGINT (bytes_left, buf))); bytes_left -= status; @@ -92,15 +88,13 @@ append_file (char *path) } } - close (handle); + if (close (handle) != 0) + close_error (path); } -/*-----------------------------------------------------------------------. -| Implement the 'r' (add files to end of archive), and 'u' (add files to | -| end of archive if they arent there, or are more up to date than the | -| version in the archive.) commands. | -`-----------------------------------------------------------------------*/ - +/* Implement the 'r' (add files to end of archive), and 'u' (add files + to end of archive if they aren't there, or are more up to date than + the version in the archive) commands. */ void update_archive (void) { @@ -108,8 +102,6 @@ update_archive (void) int found_end = 0; name_gather (); - if (subcommand_option == UPDATE_SUBCOMMAND) - name_expand (); open_archive (ACCESS_UPDATE); while (!found_end) @@ -128,19 +120,16 @@ update_archive (void) if (subcommand_option == UPDATE_SUBCOMMAND && (name = name_scan (current_file_name), name)) { - struct stat stat_data; + struct stat s; enum archive_format unused; decode_header (current_header, ¤t_stat, &unused, 0); - if (stat (current_file_name, &stat_data) < 0) - ERROR ((0, errno, _("Cannot stat %s"), current_file_name)); - else if (current_stat.st_mtime >= stat_data.st_mtime) - name->found = 1; + chdir_do (name->change_dir); + if (deref_stat (dereference_option, current_file_name, &s) == 0 + && s.st_mtime <= current_stat.st_mtime) + add_avoided_name (current_file_name); } - set_next_block_after (current_header); - if (current_header->oldgnu_header.isextended) - skip_extended_headers (); - skip_file (current_stat.st_size); + skip_member (); break; } @@ -194,7 +183,7 @@ update_archive (void) if (subcommand_option == CAT_SUBCOMMAND) append_file (path); else - dump_file (path, (dev_t) -1, 1); + dump_file (path, 1, (dev_t) 0); } }