X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=src%2Fbuffer.c;h=13e1c139048603bc2e6d5a339b83247754e3a705;hb=42250f501075275fa97b54e7d64600e4f7a363cf;hp=77ebe272f14b827a26f6506b587787917ee45b11;hpb=89f1667fdbb8c6c05f666690c93c485e9c1a12eb;p=chaz%2Ftar diff --git a/src/buffer.c b/src/buffer.c index 77ebe27..13e1c13 100644 --- a/src/buffer.c +++ b/src/buffer.c @@ -1,13 +1,13 @@ /* Buffer management for tar. Copyright (C) 1988, 1992, 1993, 1994, 1996, 1997, 1999, 2000, 2001, - 2003, 2004, 2005, 2006 Free Software Foundation, Inc. + 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. Written by John Gilmore, on 1985-08-25. 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 - Free Software Foundation; either version 2, or (at your option) any later + Free Software Foundation; either version 3, or (at your option) any later version. This program is distributed in the hope that it will be useful, but @@ -121,6 +121,15 @@ static off_t save_totsize; /* total size of file we are writing, only static off_t save_sizeleft; /* where we are in the file we are writing, only valid if save_name is nonzero */ + +static struct tar_stat_info dummy; + +void +buffer_write_global_xheader () +{ + xheader_write_global (&dummy.xhdr); +} + void mv_begin (struct tar_stat_info *st) { @@ -474,6 +483,11 @@ _open_archive (enum access_mode wanted_access) abort (); /* Should not happen */ break; } + + if (!index_file_name + && wanted_access == ACCESS_WRITE + && strcmp (archive_name_array[0], "-") == 0) + stdlis = stderr; } else if (strcmp (archive_name_array[0], "-") == 0) { @@ -499,12 +513,16 @@ _open_archive (enum access_mode wanted_access) case ACCESS_WRITE: archive = STDOUT_FILENO; + if (!index_file_name) + stdlis = stderr; break; case ACCESS_UPDATE: archive = STDIN_FILENO; write_archive_to_stdout = true; record_end = record_start; /* set up for 1st record = # 0 */ + if (!index_file_name) + stdlis = stderr; break; } } @@ -1020,7 +1038,8 @@ new_volume (enum access_mode mode) assign_string (&volume_label, NULL); assign_string (&continued_file_name, NULL); continued_file_size = continued_file_offset = 0; - + current_block = record_start; + if (rmtclose (archive) != 0) close_warn (*archive_name_cursor); @@ -1113,23 +1132,24 @@ try_new_volume () { size_t status; union block *header; - struct tar_stat_info dummy; - + int access; + switch (subcommand_option) { case APPEND_SUBCOMMAND: case CAT_SUBCOMMAND: case UPDATE_SUBCOMMAND: - if (!new_volume (ACCESS_UPDATE)) - return true; + access = ACCESS_UPDATE; break; default: - if (!new_volume (ACCESS_READ)) - return true; + access = ACCESS_READ; break; } + if (!new_volume (access)) + return true; + while ((status = rmtread (archive, record_start->buffer, record_size)) == SAFE_READ_ERROR) archive_read_error (); @@ -1283,7 +1303,7 @@ static void _write_volume_label (const char *str) { if (archive_format == POSIX_FORMAT) - xheader_store ("GNU.volume.label", NULL, str); + xheader_store ("GNU.volume.label", &dummy, str); else { union block *label = find_next_block (); @@ -1400,9 +1420,9 @@ add_multi_volume_header (void) if (archive_format == POSIX_FORMAT) { off_t d = real_s_totsize - real_s_sizeleft; - xheader_store ("GNU.volume.filename", NULL, real_s_name); - xheader_store ("GNU.volume.size", NULL, &real_s_sizeleft); - xheader_store ("GNU.volume.offset", NULL, &d); + xheader_store ("GNU.volume.filename", &dummy, real_s_name); + xheader_store ("GNU.volume.size", &dummy, &real_s_sizeleft); + xheader_store ("GNU.volume.offset", &dummy, &d); } else gnu_add_multi_volume_header (); @@ -1589,7 +1609,7 @@ _gnu_flush_write (size_t buffer_level) if (!new_volume (ACCESS_WRITE)) return; - xheader_destroy (&extended_header); + tar_stat_destroy (&dummy); increase_volume_number (); prev_written += bytes_written; @@ -1607,7 +1627,9 @@ _gnu_flush_write (size_t buffer_level) if (real_s_name) add_multi_volume_header (); - write_extended (true, NULL, find_next_block ()); + write_extended (true, &dummy, find_next_block ()); + tar_stat_destroy (&dummy); + if (real_s_name) add_chunk_header (); header = find_next_block ();