compat_defs.h revision 1.3 1 /* $NetBSD: compat_defs.h,v 1.3 2002/01/29 10:20:31 tv Exp $ */
2
3 #ifndef __NETBSD_COMPAT_DEFS_H__
4 #define __NETBSD_COMPAT_DEFS_H__
5
6 /* System headers needed for (re)definitions below. */
7
8 #include <sys/types.h>
9 #include <sys/mman.h>
10 #include <sys/param.h>
11 #include <sys/stat.h>
12 #include <errno.h>
13 #include <fcntl.h>
14 #include <grp.h>
15 #include <limits.h>
16 #include <paths.h>
17 #include <stdarg.h>
18 #include <stdio.h>
19 #include <stdlib.h>
20 #include <string.h>
21
22 #if HAVE_SYS_CDEFS_H
23 #include <sys/cdefs.h>
24 #endif
25 #if HAVE_SYS_SYSMACROS_H
26 /* major(), minor() on SVR4 */
27 #include <sys/sysmacros.h>
28 #endif
29 #if HAVE_INTTYPES_H
30 #include <inttypes.h>
31 #endif
32 #if HAVE_STDDEF_H
33 #include <stddef.h>
34 #endif
35
36 /* We don't include <pwd.h> here, so that "compat_pwd.h" works. */
37 struct passwd;
38
39 /* Assume an ANSI compiler for the host. */
40
41 #undef __P
42 #define __P(x) x
43
44 #ifndef __BEGIN_DECLS
45 #define __BEGIN_DECLS
46 #endif
47 #ifndef __END_DECLS
48 #define __END_DECLS
49 #endif
50
51 /* Some things usually in BSD <sys/param.h>. */
52
53 #undef BIG_ENDIAN
54 #undef LITTLE_ENDIAN
55 #define BIG_ENDIAN 4321
56 #define LITTLE_ENDIAN 1234
57
58 #undef BYTE_ORDER
59 #if WORDS_BIGENDIAN
60 #define BYTE_ORDER BIG_ENDIAN
61 #else
62 #define BYTE_ORDER LITTLE_ENDIAN
63 #endif
64
65 #undef MIN
66 #undef MAX
67 #define MIN(a,b) ((a) < (b) ? (a) : (b))
68 #define MAX(a,b) ((a) > (b) ? (a) : (b))
69
70 #if !defined(__attribute__) && !defined(__GNUC__)
71 #define __attribute__(x)
72 #endif
73 #ifndef __RENAME
74 #define __RENAME(x)
75 #endif
76 #undef __aconst
77 #define __aconst
78 #undef __dead
79 #define __dead
80
81 /* Dirent support. */
82
83 #if HAVE_DIRENT_H
84 # include <dirent.h>
85 # define NAMLEN(dirent) (strlen((dirent)->d_name))
86 #else
87 # define dirent direct
88 # define NAMLEN(dirent) ((dirent)->d_namlen)
89 # if HAVE_SYS_NDIR_H
90 # include <sys/ndir.h>
91 # endif
92 # if HAVE_SYS_DIR_H
93 # include <sys/dir.h>
94 # endif
95 # if HAVE_NDIR_H
96 # include <ndir.h>
97 # endif
98 #endif
99
100 /* Some bits pulled from NetBSD libc. */
101
102 #if !HAVE_FTS_H
103 #include "compat_fts.h"
104 #endif
105 #if !HAVE_VIS_H
106 #include "compat_vis.h"
107 #endif
108
109 /* Type substitutes. */
110
111 #if !HAVE_ID_T
112 typedef unsigned long id_t;
113 #endif
114
115 /* Prototypes for replacement functions. */
116
117 #if !HAVE_ASPRINTF
118 int asprintf(char **, const char *, ...);
119 #endif
120
121 #if !HAVE_ASNPRINTF
122 int asnprintf(char **, size_t, const char *, ...);
123 #endif
124
125 #if !HAVE_BASENAME
126 char *basename(char *);
127 #endif
128
129 #if !HAVE_DIRNAME
130 char *dirname(char *);
131 #endif
132
133 #if !HAVE_DIRFD
134 #if HAVE_DIR_DD_FD
135 #define dirfd(dirp) ((dirp)->dd_fd)
136 #else
137 #error cannot figure out how to turn a DIR * into a fd
138 #endif
139 #endif
140
141 #if !HAVE_ERR_H
142 void err(int, const char *, ...);
143 void errx(int, const char *, ...);
144 void warn(const char *, ...);
145 void warnx(const char *, ...);
146 #endif
147
148 #if !HAVE_FGETLN
149 char *fgetln(FILE *, size_t *);
150 #endif
151
152 #if !HAVE_FLOCK
153 # define LOCK_SH 0x01
154 # define LOCK_EX 0x02
155 # define LOCK_NB 0x04
156 # define LOCK_UN 0x08
157 int flock(int, int);
158 #endif
159
160 #if !HAVE_FPARSELN
161 # define FPARSELN_UNESCESC 0x01
162 # define FPARSELN_UNESCCONT 0x02
163 # define FPARSELN_UNESCCOMM 0x04
164 # define FPARSELN_UNESCREST 0x08
165 # define FPARSELN_UNESCALL 0x0f
166 char *fparseln(FILE *, size_t *, size_t *, const char [3], int);
167 #endif
168
169 #if !HAVE_ISBLANK && !defined(isblank)
170 #define isblank(x) ((x) == ' ' || (x) == '\t')
171 #endif
172
173 #if !HAVE_PREAD
174 ssize_t pread(int, void *, size_t, off_t);
175 #endif
176
177 #if !HAVE_PWCACHE_USERDB
178 const char *user_from_uid(uid_t, int);
179 int uid_from_user(const char *, uid_t *);
180 int pwcache_userdb(int (*)(int), void (*)(void),
181 struct passwd * (*)(const char *), struct passwd * (*)(uid_t));
182 const char *group_from_gid(gid_t, int);
183 int gid_from_group(const char *, gid_t *);
184 int pwcache_groupdb(int (*)(int), void (*)(void),
185 struct group * (*)(const char *), struct group * (*)(gid_t));
186 #endif
187
188 #if !HAVE_PWRITE
189 ssize_t pwrite(int, const void *, size_t, off_t);
190 #endif
191
192 #if !HAVE_SETENV
193 int setenv(const char *, const char *, int);
194 #endif
195
196 #if !HAVE_SETGROUPENT
197 int setgroupent(int);
198 #endif
199
200 #if !HAVE_SETPASSENT
201 int setpassent(int);
202 #endif
203
204 #if !HAVE_SETPROGNAME
205 const char *getprogname(void);
206 void setprogname(const char *);
207 #endif
208
209 #if !HAVE_SNPRINTF
210 int snprintf(char *, size_t, const char *, ...);
211 #endif
212
213 #if !HAVE_STRLCAT
214 size_t strlcat(char *, const char *, size_t);
215 #endif
216
217 #if !HAVE_STRLCPY
218 size_t strlcpy(char *, const char *, size_t);
219 #endif
220
221 #if !HAVE_STRSEP
222 char *strsep(char **, const char *);
223 #endif
224
225 #if !HAVE_VASPRINTF
226 int vasprintf(char **, const char *, va_list);
227 #endif
228
229 #if !HAVE_VASNPRINTF
230 int vasnprintf(char **, size_t, const char *, va_list);
231 #endif
232
233 #if !HAVE_VSNPRINTF
234 int vsnprintf(char *, size_t, const char *, va_list);
235 #endif
236
237 /*
238 * getmode() and setmode() are always defined, as these function names
239 * exist but with very different meanings on other OS's. The compat
240 * versions here simply accept an octal mode number; the "u+x,g-w" type
241 * of syntax is not accepted.
242 */
243
244 #define getmode __nbcompat_getmode
245 #define setmode __nbcompat_setmode
246
247 mode_t getmode(const void *, mode_t);
248 void *setmode(const char *);
249
250 /* Eliminate assertions embedded in binaries. */
251
252 #undef _DIAGASSERT
253 #define _DIAGASSERT(x)
254 #undef RCSID
255 #define RCSID(x)
256
257 /* Some definitions not available on all systems. */
258
259 #ifndef _BSD_VA_LIST_
260 #define _BSD_VA_LIST_ va_list
261 #endif
262
263 #ifndef _PATH_BSHELL
264 #if defined(__sun)
265 /* Sun's /bin/sh is obnoxiously broken. */
266 #define _PATH_BSHELL "/usr/xpg4/bin/sh"
267 #else
268 #define _PATH_BSHELL "/bin/sh"
269 #endif
270 #endif
271 #ifndef _PATH_DEFPATH
272 #define _PATH_DEFPATH "/usr/bin:/bin:/usr/local/bin"
273 #endif
274 #ifndef _PATH_DEV
275 #define _PATH_DEV "/dev/"
276 #endif
277 #ifndef _PATH_DEVNULL
278 #define _PATH_DEVNULL _PATH_DEV "null"
279 #endif
280 #ifndef _PATH_TMP
281 #define _PATH_TMP "/tmp/"
282 #endif
283
284 #ifndef ALLPERMS
285 #define ALLPERMS (S_ISUID|S_ISGID|S_ISTXT|S_IRWXU|S_IRWXG|S_IRWXO)
286 #endif
287
288 #ifndef EFTYPE
289 #define EFTYPE EIO
290 #endif
291
292 #ifndef UID_MAX
293 #define UID_MAX 32767
294 #endif
295 #ifndef GID_MAX
296 #define GID_MAX UID_MAX
297 #endif
298
299 #ifndef MAP_FILE
300 #define MAP_FILE 0
301 #endif
302
303 #ifndef MAXBSIZE
304 #define MAXBSIZE (64 * 1024)
305 #endif
306
307 #ifndef O_EXLOCK
308 #define O_EXLOCK 0
309 #endif
310 #ifndef O_SHLOCK
311 #define O_SHLOCK 0
312 #endif
313
314 #ifndef QUAD_MAX
315 #define QUAD_MAX ((quad_t)(((u_quad_t)-1) >> 1))
316 #endif
317
318 #ifndef S_ISTXT
319 #ifdef S_ISVTX
320 #define S_ISTXT S_ISVTX
321 #else
322 #define S_ISTXT 0
323 #endif
324 #endif
325
326 #endif /* !__NETBSD_COMPAT_DEFS_H__ */
327