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Diffstat (limited to 'usr.bin/sudo/compat.h')
| -rw-r--r-- | usr.bin/sudo/compat.h | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/usr.bin/sudo/compat.h b/usr.bin/sudo/compat.h new file mode 100644 index 00000000000..bb6e4bc35fd --- /dev/null +++ b/usr.bin/sudo/compat.h @@ -0,0 +1,165 @@ +/* + * Copyright (c) 1996, 1998, 1999 Todd C. Miller <Todd.Miller@courtesan.com> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 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. + * + * 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 1.54 1999/10/08 01:12:49 millert Exp $ + */ + +#ifndef _SUDO_COMPAT_H +#define _SUDO_COMPAT_H + +/* + * 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 */ + +/* + * Some systems (ie ISC V/386) do not define MAXPATHLEN even in param.h + */ +#ifndef MAXPATHLEN +# define MAXPATHLEN 1024 +#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... + */ +#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 */ + +/* + * 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. + */ +#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 + +/* + * Emulate seteuid() for HP-UX via setresuid(2) and seteuid(2) for others. + */ +#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 */ + +/* + * 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 */ + +#endif /* _SUDO_COMPAT_H */ |