From 93ac7d8468feec562b468e87e1e04b0afdec0951 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Sat, 9 Jan 2010 19:56:15 +0100 Subject: cpio: improve help text; document two TODOs Signed-off-by: Denys Vlasenko --- archival/cpio.c | 8 ++++++-- archival/libunarchive/get_header_cpio.c | 4 ++++ archival/libunarchive/header_list.c | 1 + 3 files changed, 11 insertions(+), 2 deletions(-) (limited to 'archival') diff --git a/archival/cpio.c b/archival/cpio.c index b21ba6e..be9fbd0 100644 --- a/archival/cpio.c +++ b/archival/cpio.c @@ -304,8 +304,12 @@ int cpio_main(int argc UNUSED_PARAM, char **argv) /* -L makes sense only with -o or -p */ #if !ENABLE_FEATURE_CPIO_O + /* no parameters */ + opt_complementary = "=0"; opt = getopt32(argv, OPTION_STR, &cpio_filename); #else + /* _exactly_ one parameter for -p, thus <= 1 param if -p is allowed */ + opt_complementary = ENABLE_FEATURE_CPIO_P ? "?1" : "=0"; opt = getopt32(argv, OPTION_STR "oH:" IF_FEATURE_CPIO_P("p"), &cpio_filename, &cpio_fmt); argv += optind; if (opt & CPIO_OPT_PASSTHROUGH) { @@ -346,13 +350,13 @@ int cpio_main(int argc UNUSED_PARAM, char **argv) xchdir(*argv++); close(pp.wr); xmove_fd(pp.rd, STDIN_FILENO); - opt &= ~CPIO_OPT_PASSTHROUGH; + //opt &= ~CPIO_OPT_PASSTHROUGH; opt |= CPIO_OPT_EXTRACT; goto skip; } /* -o */ if (opt & CPIO_OPT_CREATE) { - if (*cpio_fmt != 'n') /* we _require_ "-H newc" */ + if (cpio_fmt[0] != 'n') /* we _require_ "-H newc" */ bb_show_usage(); if (opt & CPIO_OPT_FILE) { xmove_fd(xopen3(cpio_filename, O_WRONLY | O_CREAT | O_TRUNC, 0666), STDOUT_FILENO); diff --git a/archival/libunarchive/get_header_cpio.c b/archival/libunarchive/get_header_cpio.c index ddc49f7..4507d53 100644 --- a/archival/libunarchive/get_header_cpio.c +++ b/archival/libunarchive/get_header_cpio.c @@ -115,6 +115,10 @@ char FAST_FUNC get_header_cpio(archive_handle_t *archive_handle) if (archive_handle->filter(archive_handle) == EXIT_SUCCESS) { archive_handle->action_data(archive_handle); +//TODO: run "echo /etc/hosts | cpio -pv /tmp" twice. On 2nd run: +//cpio: etc/hosts not created: newer or same age file exists +//etc/hosts <-- should NOT show it +//2 blocks <-- should say "0 blocks" archive_handle->action_header(file_header); } else { data_skip(archive_handle); diff --git a/archival/libunarchive/header_list.c b/archival/libunarchive/header_list.c index 6ec2df3..b1c425a 100644 --- a/archival/libunarchive/header_list.c +++ b/archival/libunarchive/header_list.c @@ -7,5 +7,6 @@ void FAST_FUNC header_list(const file_header_t *file_header) { +//TODO: cpio -vp DIR should output "DIR/NAME", not just "NAME" */ puts(file_header->name); } -- cgit v1.1