/* vi: set sw=4 ts=4: */ /* * cat implementation for busybox * * Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org> * * 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 "libbb.h" /* This is a NOFORK applet. Be very careful! */ int bb_cat(char **argv) { int fd; int retval = EXIT_SUCCESS; if (!*argv) argv = (char**) &bb_argv_dash; do { fd = open_or_warn_stdin(*argv); if (fd >= 0) { /* This is not a xfunc - never exits */ off_t r = bb_copyfd_eof(fd, STDOUT_FILENO); if (fd != STDIN_FILENO) close(fd); if (r >= 0) continue; } retval = EXIT_FAILURE; } while (*++argv); return retval; } int cat_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int cat_main(int argc UNUSED_PARAM, char **argv) { getopt32(argv, "u"); argv += optind; return bb_cat(argv); }