/* Portability declarations. Requires sys/types.h.
- Copyright (C) 1988 Free Software Foundation
+ Copyright (C) 1988, 1992 Free Software Foundation
This file is part of GNU Tar.
along with GNU Tar; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+/* AIX requires this to be the first thing in the file. */
+#ifdef __GNUC__
+#define alloca __builtin_alloca
+#else /* not __GNUC__ */
+#if HAVE_ALLOCA_H
+#include <alloca.h>
+#else /* not HAVE_ALLOCA_H */
+#ifdef _AIX
+ #pragma alloca
+#else /* not _AIX */
+char *alloca ();
+#endif /* not _AIX */
+#endif /* not HAVE_ALLOCA_H */
+#endif /* not __GNUC__ */
+
#include "pathmax.h"
#ifdef _POSIX_VERSION
#define major(dev) (dev)
#define minor(dev) (dev)
typedef long off_t;
-#endif /* __MSDOS__ */
+#endif /* __MSDOS__ */
#if defined(__STDC__) || defined(__TURBOC__)
#define PTR void *
#define const
#endif
-/* Since major is a function on SVR4, we can't use `ifndef major'. */
-#ifdef MAJOR_IN_MKDEV
-#include <sys/mkdev.h>
+/* Since major is a function on SVR4, we can't just use `ifndef major'. */
+#ifdef major /* Might be defined in sys/types.h. */
#define HAVE_MAJOR
#endif
-#ifdef MAJOR_IN_SYSMACROS
-#include <sys/sysmacros.h>
+
+#if !defined(HAVE_MAJOR) && defined(MAJOR_IN_MKDEV)
+#include <sys/mkdev.h>
#define HAVE_MAJOR
#endif
-#ifdef major /* Might be defined in sys/types.h. */
+
+#if !defined(HAVE_MAJOR) && defined(MAJOR_IN_SYSMACROS)
+#include <sys/sysmacros.h>
#define HAVE_MAJOR
#endif
#endif
#undef HAVE_MAJOR
-#if defined(STDC_HEADERS) || defined(USG)
+#if defined(STDC_HEADERS) || defined(HAVE_STRING_H)
#include <string.h>
#if !defined(__MSDOS__) && !defined(STDC_HEADERS)
#include <memory.h>
#endif
+#ifdef index
+#undef index
+#endif
+#ifdef rindex
+#undef rindex
+#endif
#define index strchr
#define rindex strrchr
#define bcopy(s, d, n) memcpy(d, s, n)
#if defined(STDC_HEADERS)
#include <stdlib.h>
#else
-char *malloc(), *realloc();
-char *getenv();
+char *malloc (), *realloc ();
+char *getenv ();
#endif
#ifndef _POSIX_VERSION
#ifdef __MSDOS__
#include <io.h>
-#else /* !__MSDOS__ */
-off_t lseek();
-#endif /* !__MSDOS__ */
-char *getcwd();
+#else /* !__MSDOS__ */
+off_t lseek ();
+#endif /* !__MSDOS__ */
+char *getcwd ();
#endif /* !_POSIX_VERSION */
#ifndef NULL
#if !defined(S_ISSOCK) && defined(S_IFSOCK)
#define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
#endif
-#if !defined(S_ISMPB) && defined(S_IFMPB) /* V7 */
+#if !defined(S_ISMPB) && defined(S_IFMPB) /* V7 */
#define S_ISMPB(m) (((m) & S_IFMT) == S_IFMPB)
#define S_ISMPC(m) (((m) & S_IFMT) == S_IFMPC)
#endif
-#if !defined(S_ISNWK) && defined(S_IFNWK) /* HP/UX */
+#if !defined(S_ISNWK) && defined(S_IFNWK) /* HP/UX */
#define S_ISNWK(m) (((m) & S_IFMT) == S_IFNWK)
#endif
-#if !defined(S_ISCTG) && defined(S_IFCTG) /* contiguous file */
+#if !defined(S_ISCTG) && defined(S_IFCTG) /* contiguous file */
#define S_ISCTG(m) (((m) & S_IFMT) == S_IFCTG)
#endif
#if !defined(S_ISVTX)
#define S_ISVTX 0001000
#endif
+
+#ifdef __MSDOS__
+#include "msd_dir.h"
+#define NLENGTH(direct) ((direct)->d_namlen)
+
+#else /* not __MSDOS__ */
+
+#if defined(DIRENT) || defined(_POSIX_VERSION)
+#include <dirent.h>
+#define NLENGTH(direct) (strlen((direct)->d_name))
+#else /* not (DIRENT or _POSIX_VERSION) */
+#define dirent direct
+#define NLENGTH(direct) ((direct)->d_namlen)
+#ifdef SYSNDIR
+#include <sys/ndir.h>
+#endif /* SYSNDIR */
+#ifdef SYSDIR
+#include <sys/dir.h>
+#endif /* SYSDIR */
+#ifdef NDIR
+#include <ndir.h>
+#endif /* NDIR */
+#endif /* DIRENT or _POSIX_VERSION */
+
+#endif /* not __MSDOS__ */