diff options
| -rw-r--r-- | archival/cpio.c | 22 | ||||
| -rw-r--r-- | include/usage.h | 10 |
2 files changed, 17 insertions, 15 deletions
diff --git a/archival/cpio.c b/archival/cpio.c index be9fbd0..5eb393d 100644 --- a/archival/cpio.c +++ b/archival/cpio.c @@ -298,6 +298,10 @@ int cpio_main(int argc UNUSED_PARAM, char **argv) ; #endif + archive_handle = init_handle(); + /* archive_handle->src_fd = STDIN_FILENO; - done by init_handle */ + archive_handle->ah_flags = ARCHIVE_EXTRACT_NEWER; + /* As of now we do not enforce this: */ /* -i,-t,-o,-p are mutually exclusive */ /* -u,-d,-m make sense only with -i or -p */ @@ -307,11 +311,17 @@ int cpio_main(int argc UNUSED_PARAM, char **argv) /* no parameters */ opt_complementary = "=0"; opt = getopt32(argv, OPTION_STR, &cpio_filename); + if (opt & CPIO_OPT_FILE) { /* -F */ + archive_handle->src_fd = xopen(cpio_filename, O_RDONLY); + } #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_FILE|CPIO_OPT_CREATE)) == CPIO_OPT_FILE) { /* -F without -o */ + xmove_fd(xopen(cpio_filename, O_RDONLY), STDIN_FILENO); + } if (opt & CPIO_OPT_PASSTHROUGH) { pid_t pid; struct fd_pair pp; @@ -367,11 +377,6 @@ int cpio_main(int argc UNUSED_PARAM, char **argv) skip: #endif - archive_handle = init_handle(); - /* archive_handle->src_fd = STDIN_FILENO; - done by init_handle */ - archive_handle->seek = seek_by_read; - archive_handle->ah_flags = ARCHIVE_EXTRACT_NEWER; - /* One of either extract or test options must be given */ if ((opt & (CPIO_OPT_TEST | CPIO_OPT_EXTRACT)) == 0) { bb_show_usage(); @@ -398,10 +403,6 @@ int cpio_main(int argc UNUSED_PARAM, char **argv) archive_handle->action_header = header_list; } } - if (opt & CPIO_OPT_FILE) { /* -F */ - archive_handle->src_fd = xopen(cpio_filename, O_RDONLY); - archive_handle->seek = seek_by_jump; - } if (opt & CPIO_OPT_CREATE_LEADING_DIR) { archive_handle->ah_flags |= ARCHIVE_CREATE_LEADING_DIRS; } @@ -422,8 +423,9 @@ int cpio_main(int argc UNUSED_PARAM, char **argv) if (archive_handle->cpio__blocks != (off_t)-1 && !(opt & CPIO_OPT_QUIET) - ) + ) { printf("%"OFF_FMT"u blocks\n", archive_handle->cpio__blocks); + } return EXIT_SUCCESS; } diff --git a/include/usage.h b/include/usage.h index 65836d8..7a5cbcc 100644 --- a/include/usage.h +++ b/include/usage.h @@ -560,8 +560,8 @@ "\n -l,-s Create (sym)links" \ #define cpio_trivial_usage \ - "[-ti" IF_FEATURE_CPIO_O("o") "]" IF_FEATURE_CPIO_P(" [-p DIR]") \ - " [-dmvu] [-F FILE]" IF_FEATURE_CPIO_O(" [-H newc]") + "[-dmvu] [-F FILE]" IF_FEATURE_CPIO_O(" [-H newc]") \ + " [-ti"IF_FEATURE_CPIO_O("o")"]" IF_FEATURE_CPIO_P(" [-p DIR]") #define cpio_full_usage "\n\n" \ "Extract or list files from a cpio archive" \ IF_FEATURE_CPIO_O(", or" \ @@ -573,7 +573,7 @@ "\n -t List" \ "\n -i Extract" \ IF_FEATURE_CPIO_O( \ - "\n -o Create" \ + "\n -o Create (requires -H newc)" \ ) \ IF_FEATURE_CPIO_P( \ "\n -p DIR Copy files to DIR" \ @@ -583,9 +583,9 @@ "\n -m Preserve mtime" \ "\n -v Verbose" \ "\n -u Overwrite" \ - "\n -F Input file" \ + "\n -F FILE Input (-t,-i,-p) or output (-o) file" \ IF_FEATURE_CPIO_O( \ - "\n -H Define format" \ + "\n -H newc Archive format" \ ) \ #define crond_trivial_usage \ |