diff options
Diffstat (limited to 'winsup/cygwin/libc/nftw.c')
| -rw-r--r-- | winsup/cygwin/libc/nftw.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/winsup/cygwin/libc/nftw.c b/winsup/cygwin/libc/nftw.c new file mode 100644 index 000000000..c56e19ebb --- /dev/null +++ b/winsup/cygwin/libc/nftw.c @@ -0,0 +1,118 @@ +/* $OpenBSD: nftw.c,v 1.4 2004/07/07 16:05:23 millert Exp $ */ + +/* + * Copyright (c) 2003, 2004 Todd C. Miller <Todd.Miller@courtesan.com> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Sponsored in part by the Defense Advanced Research Projects + * Agency (DARPA) and Air Force Research Laboratory, Air Force + * Materiel Command, USAF, under agreement number F39502-99-1-0512. + */ + +#if 0 +#if defined(LIBC_SCCS) && !defined(lint) +static const char rcsid[] = "$OpenBSD: nftw.c,v 1.4 2004/07/07 16:05:23 millert Exp $"; +#endif /* LIBC_SCCS and not lint */ +#endif + +#include <sys/cdefs.h> +#if 0 +__FBSDID("$FreeBSD: /repoman/r/ncvs/src/lib/libc/gen/nftw.c,v 1.1.2.1 2004/08/29 06:10:53 tjr Exp $"); +#endif +#include <sys/types.h> +#include <sys/stat.h> +#include <errno.h> +#include <fts.h> +#include <ftw.h> +#include <limits.h> + +int +nftw(const char *path, int (*fn)(const char *, const struct __stat64 *, int, + struct FTW *), int nfds, int ftwflags) +{ + char * const paths[2] = { (char *)path, NULL }; + struct FTW ftw; + FTSENT *cur; + FTS *ftsp; + int error = 0, ftsflags, fnflag, postorder, sverrno; + + /* XXX - nfds is currently unused */ + if (nfds < 1 || nfds > OPEN_MAX) { + errno = EINVAL; + return (-1); + } + + ftsflags = FTS_COMFOLLOW; + if (!(ftwflags & FTW_CHDIR)) + ftsflags |= FTS_NOCHDIR; + if (ftwflags & FTW_MOUNT) + ftsflags |= FTS_XDEV; + if (ftwflags & FTW_PHYS) + ftsflags |= FTS_PHYSICAL; + else + ftsflags |= FTS_LOGICAL; + postorder = (ftwflags & FTW_DEPTH) != 0; + ftsp = fts_open(paths, ftsflags, NULL); + if (ftsp == NULL) + return (-1); + while ((cur = fts_read(ftsp)) != NULL) { + switch (cur->fts_info) { + case FTS_D: + if (postorder) + continue; + fnflag = FTW_D; + break; + case FTS_DNR: + fnflag = FTW_DNR; + break; + case FTS_DP: + if (!postorder) + continue; + fnflag = FTW_DP; + break; + case FTS_F: + case FTS_DEFAULT: + fnflag = FTW_F; + break; + case FTS_NS: + case FTS_NSOK: + fnflag = FTW_NS; + break; + case FTS_SL: + fnflag = FTW_SL; + break; + case FTS_SLNONE: + fnflag = FTW_SLN; + break; + case FTS_DC: + errno = ELOOP; + /* FALLTHROUGH */ + default: + error = -1; + goto done; + } + ftw.base = cur->fts_pathlen - cur->fts_namelen; + ftw.level = cur->fts_level; + error = fn(cur->fts_path, cur->fts_statp, fnflag, &ftw); + if (error != 0) + break; + } +done: + sverrno = errno; + if (fts_close(ftsp) != 0 && error == 0) + error = -1; + else + errno = sverrno; + return (error); +} |