/* source: xio-creat.c */ /* Copyright Gerhard Rieger and contributors (see file CHANGES) */ /* Published under the GNU General Public License V.2, see file COPYING */ /* this file contains the source for opening addresses of create type */ #include "xiosysincludes.h" #if WITH_CREAT #include "xioopen.h" #include "xio-named.h" #include "xio-creat.h" static int xioopen_creat(int arg, const char *argv[], struct opt *opts, int rw, xiofile_t *fd, groups_t groups, int dummy1, int dummy2, int dummy3); /*! within stream model, this is a write-only address - use 2 instead of 3 */ const struct addrdesc xioaddr_creat = { "CREATE", 1+XIO_WRONLY, xioopen_creat, GROUP_FD|GROUP_NAMED|GROUP_FILE, 0, 0, 0 HELP(":") }; /* retrieve the mode option and perform the creat() call. returns the file descriptor or a negative value. */ static int _xioopen_creat(const char *path, int rw, struct opt *opts) { mode_t mode = 0666; int fd; retropt_modet(opts, OPT_PERM, &mode); if ((fd = Creat(path, mode)) < 0) { Error3("creat(\"%s\", 0%03o): %s", path, mode, strerror(errno)); return STAT_RETRYLATER; } return fd; } static int xioopen_creat(int argc, const char *argv[], struct opt *opts, int xioflags, xiofile_t *fd, groups_t groups, int dummy1, int dummy2, int dummy3) { const char *filename = argv[1]; int rw = (xioflags&XIO_ACCMODE); bool exists; bool opt_unlink_close = false; int result; /* remove old file, or set user/permissions on old file; parse options */ if ((result = _xioopen_named_early(argc, argv, fd, groups, &exists, opts)) < 0) { return result; } retropt_bool(opts, OPT_UNLINK_CLOSE, &opt_unlink_close); if (opt_unlink_close) { if ((fd->stream.unlink_close = strdup(filename)) == NULL) { Error1("strdup(\"%s\"): out of memory", filename); } fd->stream.opt_unlink_close = true; } Notice2("creating regular file \"%s\" for %s", filename, ddirection[rw]); if ((result = _xioopen_creat(filename, rw, opts)) < 0) return result; fd->stream.fd = result; applyopts_named(filename, opts, PH_PASTOPEN); if ((result = applyopts2(fd->stream.fd, opts, PH_PASTOPEN, PH_LATE2)) < 0) return result; applyopts_cloexec(fd->stream.fd, opts); applyopts_fchown(fd->stream.fd, opts); if ((result = _xio_openlate(&fd->stream, opts)) < 0) return result; return 0; } #endif /* WITH_CREAT */