X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=coreutils%2Fcat.c;h=0024eb8d5e11262dd3061952043cf42a131765ed;hb=8d680b51148b9cbe7dd3afd37022f3390dd999ef;hp=7a34891e8e250c91df63e933644a57d76697dc5c;hpb=a41fdf331af344ecd3ec230a072857ea197e1890;p=oweals%2Fbusybox.git diff --git a/coreutils/cat.c b/coreutils/cat.c index 7a34891e8..0024eb8d5 100644 --- a/coreutils/cat.c +++ b/coreutils/cat.c @@ -10,21 +10,26 @@ /* BB_AUDIT SUSv3 compliant */ /* http://www.opengroup.org/onlinepubs/007904975/utilities/cat.html */ -#include "busybox.h" +#include "libbb.h" + +/* This is a NOFORK applet. Be very careful! */ + int bb_cat(char **argv) { - static const char *const argv_dash[] = { "-", NULL }; - FILE *f; + int fd; int retval = EXIT_SUCCESS; - if (!*argv) argv = (char**) &argv_dash; + if (!*argv) + argv = (char**) &bb_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); + 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; } @@ -34,9 +39,10 @@ int bb_cat(char **argv) return retval; } -int cat_main(int argc, char **argv) +int cat_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; +int cat_main(int argc UNUSED_PARAM, char **argv) { - getopt32(argc, argv, "u"); + getopt32(argv, "u"); argv += optind; return bb_cat(argv); }