/* vi: set sw=4 ts=4: */ /* * cat implementation for busybox * * Copyright (C) 2003 Manuel Novoa III * * Licensed under GPLv2, see file License in this tarball for details. */ /* BB_AUDIT SUSv3 compliant */ /* http://www.opengroup.org/onlinepubs/007904975/utilities/cat.html */ #include "busybox.h" int bb_cat(char **argv) { static const char *const argv_dash[] = { "-", NULL }; FILE *f; int retval = EXIT_SUCCESS; if (!*argv) argv = (char**) &argv_dash; do { f = fopen_or_warn_stdin(*argv); if (f) { off_t r = bb_copyfd_eof(fileno(f), STDOUT_FILENO); fclose_if_not_stdin(f); if (r >= 0) continue; } retval = EXIT_FAILURE; } while (*++argv); return retval; } int cat_main(int argc, char **argv); int cat_main(int argc, char **argv) { getopt32(argc, argv, "u"); argv += optind; return bb_cat(argv); }