X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=archival%2Far.c;h=983b5ae2cd8ef965fdb5af7f27737b369b0a3043;hb=999af20d3e025741197b8aebea9aeb4e435c9ebf;hp=890e81fc5e6c051ee4eab769570af8af41b51c95;hpb=930453bdcf27bdb4f51d3f4060ebd368aad18c56;p=oweals%2Fbusybox.git diff --git a/archival/ar.c b/archival/ar.c index 890e81fc5..983b5ae2c 100644 --- a/archival/ar.c +++ b/archival/ar.c @@ -1,10 +1,10 @@ /* vi: set sw=4 ts=4: */ /* - * Mini ar implementation for busybox + * Mini ar implementation for busybox * * Copyright (C) 2000 by Glenn McGrath - * Written by Glenn McGrath 1 June 2000 - * + * Written by Glenn McGrath 1 June 2000 + * * Based in part on BusyBox tar, Debian dpkg-deb and GNU ar. * * This program is free software; you can redistribute it and/or modify @@ -27,7 +27,6 @@ */ #include -#include #include #include #include @@ -50,26 +49,27 @@ static void header_verbose_list_ar(const file_header_t *file_header) printf("%s %d/%d%7d %s %s\n", &mode[1], file_header->uid, file_header->gid, (int) file_header->size, &mtime[4], file_header->name); } -#define AR_CTX_PRINT 1 -#define AR_CTX_LIST 2 -#define AR_CTX_EXTRACT 4 -#define AR_OPT_PRESERVE_DATE 8 -#define AR_OPT_VERBOSE 16 +#define AR_CTX_PRINT 0x01 +#define AR_CTX_LIST 0x02 +#define AR_CTX_EXTRACT 0x04 +#define AR_OPT_PRESERVE_DATE 0x08 +#define AR_OPT_VERBOSE 0x10 +#define AR_OPT_CREATE 0x20 +#define AR_OPT_INSERT 0x40 extern int ar_main(int argc, char **argv) { archive_handle_t *archive_handle; unsigned long opt; + static const char msg_unsupported_err[] = + "Archive %s not supported. Install binutils 'ar'."; char magic[8]; archive_handle = init_handle(); - - bb_opt_complementaly = "p~tx:t~px:x~pt"; - opt = bb_getopt_ulflags(argc, argv, "ptxov"); - - if ((opt & 0x80000000UL) || (optind == argc)) { - bb_show_usage(); - } + + /* Prepend '-' to the first argument if required */ + bb_opt_complementally = "--:p:t:x:-1:?:p--tx:t--px:x--pt"; + opt = bb_getopt_ulflags(argc, argv, "ptxovcr"); if (opt & AR_CTX_PRINT) { archive_handle->action_data = data_extract_to_stdout; @@ -86,6 +86,12 @@ extern int ar_main(int argc, char **argv) if (opt & AR_OPT_VERBOSE) { archive_handle->action_header = header_verbose_list_ar; } + if (opt & AR_OPT_CREATE) { + bb_error_msg_and_die(msg_unsupported_err, "creation"); + } + if (opt & AR_OPT_INSERT) { + bb_error_msg_and_die(msg_unsupported_err, "insertion"); + } archive_handle->src_fd = bb_xopen(argv[optind++], O_RDONLY);