From 59f314a2c413b546b7602b74b4c04866185274f1 Mon Sep 17 00:00:00 2001 From: Sergey Poznyakoff Date: Fri, 4 Feb 2005 00:03:42 +0000 Subject: [PATCH] (start_private_header,write_header_name) (dump_hard_link): Restore compatibility with 1.13.25 --- src/create.c | 25 ++++++++++++++++++++----- 1 file changed, 20 insertions(+), 5 deletions(-) diff --git a/src/create.c b/src/create.c index 605251a..d4a1b09 100644 --- a/src/create.c +++ b/src/create.c @@ -370,6 +370,16 @@ tar_copy_str (char *dst, const char *src, size_t len) strncpy (dst, src, len); } +/* Same as tar_copy_str, but always terminate with NUL if using + is OLDGNU format */ +static void +tar_name_copy_str (char *dst, const char *src, size_t len) +{ + tar_copy_str (dst, src, len); + if (archive_format == OLDGNU_FORMAT) + dst[len-1] = 0; +} + /* Write a "private" header */ union block * start_private_header (const char *name, size_t size) @@ -379,7 +389,7 @@ start_private_header (const char *name, size_t size) memset (header->buffer, 0, sizeof (union block)); - tar_copy_str (header->header.name, name, NAME_FIELD_SIZE); + tar_name_copy_str (header->header.name, name, NAME_FIELD_SIZE); OFF_TO_CHARS (size, header->header.size); time (&t); @@ -402,7 +412,7 @@ write_short_name (struct tar_stat_info *st) { union block *header = find_next_block (); memset (header->buffer, 0, sizeof (union block)); - tar_copy_str (header->header.name, st->file_name, NAME_FIELD_SIZE); + tar_name_copy_str (header->header.name, st->file_name, NAME_FIELD_SIZE); return header; } @@ -590,7 +600,9 @@ write_header_name (struct tar_stat_info *st) xheader_store ("path", st, NULL); return write_short_name (st); } - else if (NAME_FIELD_SIZE < strlen (st->file_name)) + else if ((archive_format == OLDGNU_FORMAT + && OLDGNU_NAME_FIELD_SIZE < strlen (st->file_name)) + || NAME_FIELD_SIZE < strlen (st->file_name)) return write_long_name (st); else return write_short_name (st); @@ -1256,7 +1268,9 @@ dump_hard_link (struct tar_stat_info *st) block_ordinal = current_block_ordinal (); assign_string (&st->link_name, link_name); - if (NAME_FIELD_SIZE < strlen (link_name)) + if ((archive_format == OLDGNU_FORMAT + && OLDGNU_NAME_FIELD_SIZE < strlen (link_name)) + || NAME_FIELD_SIZE < strlen (link_name)) write_long_link (st); st->stat.st_size = 0; @@ -1490,7 +1504,8 @@ dump_file0 (struct tar_stat_info *st, char *p, } buffer[size] = '\0'; assign_string (&st->link_name, buffer); - if (size > NAME_FIELD_SIZE) + if ((archive_format == OLDGNU_FORMAT && size > OLDGNU_NAME_FIELD_SIZE) + || size > NAME_FIELD_SIZE) write_long_link (st); block_ordinal = current_block_ordinal (); -- 2.44.0