/*
- * Copyright (c) 2009-2010 Todd C. Miller <Todd.Miller@courtesan.com>
+ * Copyright (c) 1996, 1998-2005, 2008-2010
+ * 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
* 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.
*/
#ifndef _SUDO_MISSING_H
#define _SUDO_MISSING_H
+#include <stdio.h>
#ifdef __STDC__
# include <stdarg.h>
#else
# include <varargs.h>
#endif
+/*
+ * Macros that may be missing on some Operating Systems
+ */
+
+/* Deal with ANSI stuff reasonably. */
+#ifndef __P
+# if defined (__cplusplus) || defined (__STDC__)
+# define __P(args) args
+# else
+# define __P(args) ()
+# endif
+#endif /* __P */
+
+/* Define away __attribute__ for non-gcc or old gcc */
+#if !defined(__GNUC__) || __GNUC__ < 2 || __GNUC__ == 2 && __GNUC_MINOR__ < 5
+# define __attribute__(x)
+#endif
+
+/* For silencing gcc warnings about rcsids */
+#ifndef __unused
+# if defined(__GNUC__) && (__GNUC__ > 2 || __GNUC__ == 2 && __GNUC_MINOR__ > 7)
+# define __unused __attribute__((__unused__))
+# else
+# define __unused
+# endif
+#endif
+
+/* For catching format string mismatches */
+#ifndef __printflike
+# if defined(__GNUC__) && (__GNUC__ > 2 || __GNUC__ == 2 && __GNUC_MINOR__ >= 7)
+# define __printflike(f, v) __attribute__((__format__ (__printf__, f, v)))
+# else
+# define __printflike(f, v)
+# endif
+#endif
+
+/*
+ * Some systems lack full limit definitions.
+ */
+#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
+
+#ifndef MAXHOSTNAMELEN
+# define MAXHOSTNAMELEN 64
+#endif
+
+/*
+ * Posix versions for those without...
+ */
+#ifndef _S_IFMT
+# define _S_IFMT S_IFMT
+#endif /* _S_IFMT */
+#ifndef _S_IFREG
+# define _S_IFREG S_IFREG
+#endif /* _S_IFREG */
+#ifndef _S_IFDIR
+# define _S_IFDIR S_IFDIR
+#endif /* _S_IFDIR */
+#ifndef _S_IFLNK
+# define _S_IFLNK S_IFLNK
+#endif /* _S_IFLNK */
+#ifndef S_ISREG
+# define S_ISREG(m) (((m) & _S_IFMT) == _S_IFREG)
+#endif /* S_ISREG */
+#ifndef S_ISDIR
+# define S_ISDIR(m) (((m) & _S_IFMT) == _S_IFDIR)
+#endif /* S_ISDIR */
+
+/*
+ * Some OS's may not have this.
+ */
+#ifndef S_IRWXU
+# define S_IRWXU 0000700 /* rwx for owner */
+#endif /* S_IRWXU */
+
+/*
+ * These should be defined in <unistd.h> but not everyone has them.
+ */
+#ifndef STDIN_FILENO
+# define STDIN_FILENO 0
+#endif
+#ifndef STDOUT_FILENO
+# define STDOUT_FILENO 1
+#endif
+#ifndef STDERR_FILENO
+# define STDERR_FILENO 2
+#endif
+
+/*
+ * These should be defined in <unistd.h> but not everyone has them.
+ */
+#ifndef SEEK_SET
+# define SEEK_SET 0
+#endif
+#ifndef SEEK_CUR
+# define SEEK_CUR 1
+#endif
+#ifndef SEEK_END
+# define SEEK_END 2
+#endif
+
+/*
+ * BSD defines these in <sys/param.h> but others may not.
+ */
+#ifndef MIN
+# define MIN(a,b) (((a)<(b))?(a):(b))
+#endif
+#ifndef MAX
+# define MAX(a,b) (((a)>(b))?(a):(b))
+#endif
+
+/*
+ * Simple isblank() macro and function for systems without it.
+ */
+#ifndef HAVE_ISBLANK
+int isblank __P((int));
+# define isblank(_x) ((_x) == ' ' || (_x) == '\t')
+#endif
+
+/*
+ * Old BSD systems lack strchr(), strrchr(), memset() and memcpy()
+ */
+#if !defined(HAVE_STRCHR) && !defined(strchr)
+# define strchr(_s, _c) index(_s, _c)
+#endif
+#if !defined(HAVE_STRRCHR) && !defined(strrchr)
+# define strrchr(_s, _c) rindex(_s, _c)
+#endif
+#if !defined(HAVE_MEMCPY) && !defined(memcpy)
+# define memcpy(_d, _s, _n) (bcopy(_s, _d, _n))
+#endif
+#if !defined(HAVE_MEMSET) && !defined(memset)
+# define memset(_s, _x, _n) (bzero(_s, _n))
+#endif
+
+/*
+ * NCR's SVr4 has _innetgr(3) instead of innetgr(3) for some reason.
+ */
+#ifdef HAVE__INNETGR
+# define innetgr(n, h, u, d) (_innetgr(n, h, u, d))
+# define HAVE_INNETGR 1
+#endif /* HAVE__INNETGR */
+
+/*
+ * On POSIX systems, O_NOCTTY is the default so some OS's may lack this define.
+ */
+#ifndef O_NOCTTY
+# define O_NOCTTY 0
+#endif /* O_NOCTTY */
+
+/*
+ * Emulate POSIX signals via sigvec(2)
+ */
+#ifndef HAVE_SIGACTION
+# define SA_ONSTACK SV_ONSTACK
+# define SA_RESTART SV_INTERRUPT /* opposite effect */
+# define SA_RESETHAND SV_RESETHAND
+# define sa_handler sv_handler
+# define sa_mask sv_mask
+# define sa_flags sv_flags
+typedef struct sigvec sigaction_t;
+typedef int sigset_t;
+int sigaction __P((int sig, const sigaction_t *act, sigaction_t *oact));
+int sigemptyset __P((sigset_t *));
+int sigfillset __P((sigset_t *));
+int sigaddset __P((sigset_t *, int));
+int sigdelset __P((sigset_t *, int));
+int sigismember __P((sigset_t *, int));
+int sigprocmask __P((int, const sigset_t *, sigset_t *));
+#endif
+
+/*
+ * Extra sugar for POSIX signals to deal with the above emulation
+ * as well as the fact that SunOS has a SA_INTERRUPT flag.
+ */
+#ifdef HAVE_SIGACTION
+# ifndef HAVE_SIGACTION_T
+typedef struct sigaction sigaction_t;
+# endif
+# ifndef SA_INTERRUPT
+# define SA_INTERRUPT 0
+# endif
+# ifndef SA_RESTART
+# define SA_RESTART 0
+# endif
+#endif
+
+/*
+ * 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.
+ */
+#if !defined(HAVE_FUTIMES) && defined(HAVE_FUTIMESAT)
+# define futimes(_f, _tv) futimesat(_f, NULL, _tv)
+# define HAVE_FUTIMES
+#endif
+
+#if !defined(HAVE_KILLPG) && !defined(killpg)
+# define killpg(s) kill(-(s))
+#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 timevalclear
+# define timevalclear(tv) ((tv)->tv_sec = (tv)->tv_usec = 0)
+#endif
+#ifndef timevalisset
+# define timevalisset(tv) ((tv)->tv_sec || (tv)->tv_usec)
+#endif
+#ifndef timevalcmp
+# define timevalcmp(tv1, tv2, op) \
+ (((tv1)->tv_sec == (tv2)->tv_sec) ? \
+ ((tv1)->tv_usec op (tv2)->tv_usec) : \
+ ((tv1)->tv_sec op (tv2)->tv_sec))
+#endif
+#ifndef timevaladd
+# define timevaladd(tv1, tv2) \
+ do { \
+ (tv1)->tv_sec += (tv2)->tv_sec; \
+ (tv1)->tv_usec += (tv2)->tv_usec; \
+ if ((tv1)->tv_usec >= 1000000) { \
+ (tv1)->tv_sec++; \
+ (tv1)->tv_usec -= 1000000; \
+ } \
+ } while (0)
+#endif
+#ifndef timevalsub
+# define timevalsub(tv1, tv2) \
+ do { \
+ (tv1)->tv_sec -= (tv2)->tv_sec; \
+ (tv1)->tv_usec -= (tv2)->tv_usec; \
+ if ((tv1)->tv_usec < 0) { \
+ (tv1)->tv_sec--; \
+ (tv1)->tv_usec += 1000000; \
+ } \
+ } while (0)
+#endif
+
+/* Not all systems define NSIG in signal.h */
+#if !defined(NSIG)
+# if defined(_NSIG)
+# define NSIG _NSIG
+# elif defined(__NSIG)
+# define NSIG __NSIG
+# else
+# define NSIG 64
+# endif
+#endif
+
+#ifndef WCOREDUMP
+# define WCOREDUMP(x) ((x) & 0x80)
+#endif
+
+/*
+ * HP-UX does not declare innetgr() or getdomainname().
+ * Solaris does not declare getdomainname().
+ */
+#if defined(__hpux)
+int innetgr __P((const char *, const char *, const char *, const char *));
+#endif
+#if defined(__hpux) || defined(__sun)
+int getdomainname __P((char *, size_t));
+#endif
+
/* Functions "missing" from libc. */
struct timeval;
projects / debian / sudo / blobdiff