2 * Misc. functions for systems that don't have them
4 * Copyright 1996 Alexandre Julliard
10 #include <be/kernel/fs_info.h>
11 #include <be/kernel/OS.h>
19 #include <sys/types.h>
22 #include <sys/ioctl.h>
26 #ifdef HAVE_SYS_MMAN_H
42 #include "wine/port.h"
44 /***********************************************************************
48 unsigned int usleep (unsigned int useconds
)
53 #elif defined(__BEOS__)
54 return snooze(useconds
);
55 #elif defined(HAVE_SELECT)
58 delay
.tv_sec
= useconds
/ 1000000;
59 delay
.tv_usec
= useconds
% 1000000;
61 select( 0, 0, 0, 0, &delay
);
63 #else /* defined(__EMX__) || defined(__BEOS__) || defined(HAVE_SELECT) */
66 #endif /* defined(__EMX__) || defined(__BEOS__) || defined(HAVE_SELECT) */
68 #endif /* HAVE_USLEEP */
70 /***********************************************************************
74 void *memmove( void *dest
, const void *src
, unsigned int len
)
76 register char *dst
= dest
;
78 /* Use memcpy if not overlapping */
79 if ((dst
+ len
<= (char *)src
) || ((char *)src
+ len
<= dst
))
81 memcpy( dst
, src
, len
);
83 /* Otherwise do it the hard way (FIXME: could do better than this) */
86 while (len
--) *dst
++ = *((char *)src
)++;
91 src
= (char *)src
+ len
- 1;
92 while (len
--) *dst
-- = *((char *)src
)--;
96 #endif /* HAVE_MEMMOVE */
98 /***********************************************************************
101 #ifndef HAVE_STRERROR
102 const char *strerror( int err
)
104 /* Let's hope we have sys_errlist then */
105 return sys_errlist
[err
];
107 #endif /* HAVE_STRERROR */
110 /***********************************************************************
113 #ifndef HAVE_GETPAGESIZE
114 size_t getpagesize(void)
117 return sysconf(_SC_PAGESIZE
);
119 # error Cannot get the page size on this platform
122 #endif /* HAVE_GETPAGESIZE */
125 /***********************************************************************
128 #if !defined(HAVE_CLONE) && defined(__linux__)
129 int clone( int (*fn
)(void *), void *stack
, int flags
, void *arg
)
133 void **stack_ptr
= (void **)stack
;
134 *--stack_ptr
= arg
; /* Push argument on stack */
135 *--stack_ptr
= fn
; /* Push function pointer (popped into ebx) */
136 __asm__
__volatile__( "pushl %%ebx\n\t"
139 "popl %%ebx\n\t" /* Contains fn in the child */
140 "testl %%eax,%%eax\n\t"
142 "call *%%ebx\n\t" /* Should never return */
143 "xorl %%eax,%%eax\n\t" /* Just in case it does*/
146 : "0" (SYS_clone
), "r" (flags
), "c" (stack_ptr
) );
147 assert( ret
); /* If ret is 0, we returned from the child function */
148 if (ret
> 0) return ret
;
154 #endif /* __i386__ */
156 #endif /* !HAVE_CLONE && __linux__ */
158 /***********************************************************************
161 #ifndef HAVE_STRCASECMP
162 int strcasecmp( const char *str1
, const char *str2
)
164 while (*str1
&& toupper(*str1
) == toupper(*str2
)) { str1
++; str2
++; }
165 return toupper(*str1
) - toupper(*str2
);
167 #endif /* HAVE_STRCASECMP */
169 /***********************************************************************
172 #ifndef HAVE_STRNCASECMP
173 int strncasecmp( const char *str1
, const char *str2
, size_t n
)
177 while ((--n
> 0) && *str1
)
178 if ((res
= toupper(*str1
++) - toupper(*str2
++))) return res
;
179 return toupper(*str1
) - toupper(*str2
);
181 #endif /* HAVE_STRNCASECMP */
183 /***********************************************************************
186 * It looks like the openpty that comes with glibc in RedHat 5.0
187 * is buggy (second call returns what looks like a dup of 0 and 1
188 * instead of a new pty), this is a generic replacement.
191 * We should have a autoconf check for this.
193 int wine_openpty(int *master
, int *slave
, char *name
,
194 struct termios
*term
, struct winsize
*winsize
)
197 return openpty(master
,slave
,name
,term
,winsize
);
202 strcpy (pts_name
, "/dev/ptyXY");
204 for (ptr1
= "pqrstuvwxyzPQRST"; *ptr1
!= 0; ptr1
++) {
206 for (ptr2
= "0123456789abcdef"; *ptr2
!= 0; ptr2
++) {
209 if ((*master
= open(pts_name
, O_RDWR
)) < 0) {
216 if ((*slave
= open(pts_name
, O_RDWR
)) < 0) {
222 tcsetattr(*slave
, TCSANOW
, term
);
224 ioctl(*slave
, TIOCSWINSZ
, winsize
);
226 strcpy(name
, pts_name
);
234 /***********************************************************************
237 #ifndef HAVE_GETNETBYADDR
238 struct netent
*getnetbyaddr(unsigned long net
, int type
)
243 #endif /* defined(HAVE_GETNETBYNAME) */
245 /***********************************************************************
248 #ifndef HAVE_GETNETBYNAME
249 struct netent
*getnetbyname(const char *name
)
254 #endif /* defined(HAVE_GETNETBYNAME) */
256 /***********************************************************************
259 #ifndef HAVE_GETPROTOBYNAME
260 struct protoent
*getprotobyname(const char *name
)
265 #endif /* !defined(HAVE_GETPROTOBYNAME) */
267 /***********************************************************************
270 #ifndef HAVE_GETPROTOBYNUMBER
271 struct protoent
*getprotobynumber(int proto
)
276 #endif /* !defined(HAVE_GETPROTOBYNUMBER) */
278 /***********************************************************************
281 #ifndef HAVE_GETSERVBYPORT
282 struct servent
*getservbyport(int port
, const char *proto
)
287 #endif /* !defined(HAVE_GETSERVBYPORT) */
289 /***********************************************************************
292 #ifndef HAVE_GETSOCKOPT
293 int getsockopt(int socket
, int level
, int option_name
,
294 void *option_value
, size_t *option_len
)
299 #endif /* !defined(HAVE_GETSOCKOPT) */
301 /***********************************************************************
304 #ifndef HAVE_INET_NETWORK
305 unsigned long inet_network(const char *cp
)
310 #endif /* defined(HAVE_INET_NETWORK) */
312 /***********************************************************************
315 #ifndef HAVE_SETTIMEOFDAY
316 int settimeofday(struct timeval
*tp
, void *reserved
)
324 #endif /* HAVE_SETTIMEOFDAY */
326 /***********************************************************************
330 int statfs(const char *name
, struct statfs
*info
)
341 if ((mydev
= dev_for_path(name
)) < 0) {
346 if (fs_stat_dev(mydev
,&fsinfo
) < 0) {
351 info
->f_bsize
= fsinfo
.block_size
;
352 info
->f_blocks
= fsinfo
.total_blocks
;
353 info
->f_bfree
= fsinfo
.free_blocks
;
355 #else /* defined(__BEOS__) */
358 #endif /* defined(__BEOS__) */
360 #endif /* !defined(HAVE_STATFS) */
363 /***********************************************************************
367 int lstat(const char *file_name
, struct stat
*buf
)
369 return stat( file_name
, buf
);
371 #endif /* HAVE_LSTAT */
374 /***********************************************************************
377 * Portable wrapper for anonymous mmaps
379 void *wine_anon_mmap( void *start
, size_t size
, int prot
, int flags
)
381 static int fdzero
= -1;
388 if ((fdzero
= open( "/dev/zero", O_RDONLY
)) == -1)
390 perror( "/dev/zero: open" );
394 #endif /* MAP_ANON */
395 /* Linux EINVAL's on us if we don't pass MAP_PRIVATE to an anon mmap */
397 flags
&= ~MAP_SHARED
;
400 flags
|= MAP_PRIVATE
;
402 return mmap( start
, size
, prot
, flags
, fdzero
, 0 );