/*
- * Copyright (c) 1996, 1998-2002 Todd C. Miller <Todd.Miller@courtesan.com>
- * All rights reserved.
+ * Copyright (c) 1996, 1998-2004 Todd C. Miller <Todd.Miller@courtesan.com>
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
+ * 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.
*
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * 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.
*
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
+ * 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.
*
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * 4. Products derived from this software may not be called "Sudo" nor
- * may "Sudo" appear in their names without specific prior written
- * permission from the author.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
- * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * $Sudo: compat.h,v 1.63 2002/01/25 18:38:22 millert Exp $
+ * $Sudo: compat.h,v 1.80 2004/09/10 16:31:15 millert Exp $
*/
#ifndef _SUDO_COMPAT_H
#endif /* __P */
/*
- * Some systems (ie ISC V/386) do not define MAXPATHLEN even in param.h
+ * Some systems lack full limit definitions.
*/
-#ifndef MAXPATHLEN
-# define MAXPATHLEN 1024
+#ifndef OPEN_MAX
+# define OPEN_MAX 256
+#endif
+
+#ifndef INT_MAX
+# define INT_MAX 0x7fffffff
+#endif
+
+#ifndef PATH_MAX
+# ifdef MAXPATHLEN
+# define PATH_MAX MAXPATHLEN
+# else
+# ifdef _POSIX_PATH_MAX
+# define PATH_MAX _POSIX_PATH_MAX
+# else
+# define PATH_MAX 1024
+# endif
+# endif
#endif
-/*
- * Some systems do not define MAXHOSTNAMELEN.
- */
#ifndef MAXHOSTNAMELEN
# define MAXHOSTNAMELEN 64
#endif
-/*
- * 4.2BSD lacks FD_* macros (we only use FD_SET and FD_ZERO)
- */
-#ifndef FD_SETSIZE
-# define FD_SET(fd, fds) ((fds) -> fds_bits[0] |= (1 << (fd)))
-# define FD_ZERO(fds) ((fds) -> fds_bits[0] = 0)
-#endif /* !FD_SETSIZE */
-
/*
* Posix versions for those without...
*/
# define S_IRWXU 0000700 /* rwx for owner */
#endif /* S_IRWXU */
-/*
- * In case this is not defined in <sys/types.h> or <sys/select.h>
- */
-#ifndef howmany
-# define howmany(x, y) (((x) + ((y) - 1)) / (y))
-#endif
-
/*
* These should be defined in <unistd.h> but not everyone has them.
*/
# define memset(_s, _x, _n) (bzero(_s, _n))
#endif
-/*
- * Emulate sete[ug]id() via setres[ug]id(2) or setre[ug]id(2)
- */
-#ifndef HAVE_SETEUID
-# ifdef __hpux
-# define seteuid(_EUID) (setresuid((uid_t) -1, _EUID, (uid_t) -1))
-# else
-# define seteuid(_EUID) (setreuid((uid_t) -1, _EUID))
-# endif /* __hpux */
-#endif /* HAVE_SETEUID */
-#ifndef HAVE_SETEGID
-# ifdef __hpux
-# define setegid(_EGID) (setresgid((gid_t) -1, _EGID, (gid_t) -1))
-# else
-# define setegid(_EGID) (setregid((gid_t) -1, _EGID))
-# endif /* __hpux */
-#endif /* HAVE_SETEGID */
-
-/*
- * Emulate setreuid() for HP-UX via setresuid(2)
- */
-#if !defined(HAVE_SETREUID) && defined(__hpux)
-# define setreuid(_RUID, _EUID) (setresuid(_RUID, _EUID, (uid_t) -1))
-# define HAVE_SETREUID
-#endif /* !HAVE_SETEUID && __hpux */
-
/*
* NCR's SVr4 has _innetgr(3) instead of innetgr(3) for some reason.
*/
# ifndef HAVE_SIGACTION_T
typedef struct sigaction sigaction_t;
# endif
-# ifndef SA_INTERRUPT
+# ifndef SA_INTERRUPT
# define SA_INTERRUPT 0
# endif
-# ifndef SA_RESTART
+# ifndef SA_RESTART
# define SA_RESTART 0
# endif
#endif
/*
- * HP-UX 9.x has RLIMIT_* but no RLIM_INFINITY.
- * Using -1 works because we only check for RLIM_INFINITY and do not set it.
+ * If dirfd() does not exists, hopefully dd_fd does.
+ */
+#if !defined(HAVE_DIRFD) && defined(HAVE_DD_FD)
+# define dirfd(_d) ((_d)->dd_fd)
+# define HAVE_DIRFD
+#endif
+
+/*
+ * Define futimes() in terms of futimesat() if needed.
*/
-#ifndef RLIM_INFINITY
-# define RLIM_INFINITY (-1)
+#if !defined(HAVE_FUTIMES) && defined(HAVE_FUTIMESAT)
+# define futimes(_f, _tv) futimesat(_f, NULL, _tv)
+# define HAVE_FUTIMES
+#endif
+
+/*
+ * If we lack getprogname(), emulate with __progname if possible.
+ * Otherwise, add a prototype for use with our own getprogname.c.
+ */
+#ifndef HAVE_GETPROGNAME
+# ifdef HAVE___PROGNAME
+extern const char *__progname;
+# define getprogname() (__progname)
+# else
+const char *getprogname __P((void));
+#endif /* HAVE___PROGNAME */
+#endif /* !HAVE_GETPROGNAME */
+
+#ifndef HAVE_TIMESPEC
+struct timespec {
+ time_t tv_sec;
+ long tv_nsec;
+};
+#endif /* !HAVE_TIMESPEC */
+
+#ifndef timespecclear
+# define timespecclear(ts) (ts)->tv_sec = (ts)->tv_nsec = 0
+#endif
+#ifndef timespecisset
+# define timespecisset(ts) ((ts)->tv_sec || (ts)->tv_nsec)
+#endif
+#ifndef timespecsub
+# define timespecsub(minuend, subrahend, difference) \
+ do { \
+ (difference)->tv_sec = (minuend)->tv_sec - (subrahend)->tv_sec; \
+ (difference)->tv_nsec = (minuend)->tv_nsec - (subrahend)->tv_nsec; \
+ if ((difference)->tv_nsec < 0) { \
+ (difference)->tv_nsec += 1000000000L; \
+ (difference)->tv_sec--; \
+ } \
+ } while (0)
#endif
#endif /* _SUDO_COMPAT_H */
projects / debian / sudo / blobdiff