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wine/misc/port.c
Patrik Stridvall 9af5e69107 Fixed some issues found by winapi_check.
1999-12-11 23:02:15 +00:00

340 lines
8.2 KiB
C
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/*
* Misc. functions for systems that don't have them
*
* Copyright 1996 Alexandre Julliard
*/
#include "config.h"
#ifdef __BEOS__
#include <be/kernel/fs_info.h>
#include <be/kernel/OS.h>
#endif
#include <assert.h>
#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <errno.h>
#include <fcntl.h>
#include <termios.h>
#ifdef HAVE_LIBIO_H
# include <libio.h>
#endif
#ifdef HAVE_SYSCALL_H
# include <syscall.h>
#endif
#ifdef HAVE_PTY_H
# include <pty.h>
#endif
#include "wine/port.h"
/***********************************************************************
* usleep
*/
#ifndef HAVE_USLEEP
unsigned int usleep (unsigned int useconds)
{
#if defined(__EMX__)
DosSleep(useconds);
return 0;
#elif defined(__BEOS__)
return snooze(useconds);
#elif defined(HAVE_SELECT)
struct timeval delay;
delay.tv_sec = 0;
delay.tv_usec = useconds;
select( 0, 0, 0, 0, &delay );
return 0;
#else /* defined(__EMX__) || defined(__BEOS__) || defined(HAVE_SELECT) */
errno = ENOSYS;
return -1;
#endif /* defined(__EMX__) || defined(__BEOS__) || defined(HAVE_SELECT) */
}
#endif /* HAVE_USLEEP */
/***********************************************************************
* memmove
*/
#ifndef HAVE_MEMMOVE
void *memmove( void *dest, const void *src, unsigned int len )
{
register char *dst = dest;
/* Use memcpy if not overlapping */
if ((dst + len <= (char *)src) || ((char *)src + len <= dst))
{
memcpy( dst, src, len );
}
/* Otherwise do it the hard way (FIXME: could do better than this) */
else if (dst < src)
{
while (len--) *dst++ = *((char *)src)++;
}
else
{
dst += len - 1;
src = (char *)src + len - 1;
while (len--) *dst-- = *((char *)src)--;
}
return dest;
}
#endif /* HAVE_MEMMOVE */
/***********************************************************************
* strerror
*/
#ifndef HAVE_STRERROR
const char *strerror( int err )
{
/* Let's hope we have sys_errlist then */
return sys_errlist[err];
}
#endif /* HAVE_STRERROR */
/***********************************************************************
* clone
*/
#if !defined(HAVE_CLONE) && defined(__linux__)
int clone( int (*fn)(void *), void *stack, int flags, void *arg )
{
#ifdef __i386__
int ret;
void **stack_ptr = (void **)stack;
*--stack_ptr = arg; /* Push argument on stack */
*--stack_ptr = fn; /* Push function pointer (popped into ebx) */
__asm__ __volatile__( "pushl %%ebx\n\t"
"movl %2,%%ebx\n\t"
"int $0x80\n\t"
"popl %%ebx\n\t" /* Contains fn in the child */
"testl %%eax,%%eax\n\t"
"jnz 0f\n\t"
"call *%%ebx\n\t" /* Should never return */
"xorl %%eax,%%eax\n\t" /* Just in case it does*/
"0:"
: "=a" (ret)
: "0" (SYS_clone), "r" (flags), "c" (stack_ptr) );
assert( ret ); /* If ret is 0, we returned from the child function */
if (ret > 0) return ret;
errno = -ret;
return -1;
#else
errno = EINVAL;
return -1;
#endif /* __i386__ */
}
#endif /* !HAVE_CLONE && __linux__ */
/***********************************************************************
* strcasecmp
*/
#ifndef HAVE_STRCASECMP
int strcasecmp( const char *str1, const char *str2 )
{
while (*str1 && toupper(*str1) == toupper(*str2)) { str1++; str2++; }
return toupper(*str1) - toupper(*str2);
}
#endif /* HAVE_STRCASECMP */
/***********************************************************************
* strncasecmp
*/
#ifndef HAVE_STRNCASECMP
int strncasecmp( const char *str1, const char *str2, size_t n )
{
int res;
if (!n) return 0;
while ((--n > 0) && *str1)
if ((res = toupper(*str1++) - toupper(*str2++))) return res;
return toupper(*str1) - toupper(*str2);
}
#endif /* HAVE_STRNCASECMP */
/***********************************************************************
* wine_openpty
* NOTE
* It looks like the openpty that comes with glibc in RedHat 5.0
* is buggy (second call returns what looks like a dup of 0 and 1
* instead of a new pty), this is a generic replacement.
*
* FIXME
* We should have a autoconf check for this.
*/
int wine_openpty(int *master, int *slave, char *name,
struct termios *term, struct winsize *winsize)
{
#ifdef HAVE_OPENPTY
return openpty(master,slave,name,term,winsize);
#else
char *ptr1, *ptr2;
char pts_name[512];
strcpy (pts_name, "/dev/ptyXY");
for (ptr1 = "pqrstuvwxyzPQRST"; *ptr1 != 0; ptr1++) {
pts_name[8] = *ptr1;
for (ptr2 = "0123456789abcdef"; *ptr2 != 0; ptr2++) {
pts_name[9] = *ptr2;
if ((*master = open(pts_name, O_RDWR)) < 0) {
if (errno == ENOENT)
return -1;
else
continue;
}
pts_name[5] = 't';
if ((*slave = open(pts_name, O_RDWR)) < 0) {
pts_name[5] = 'p';
continue;
}
if (term != NULL)
tcsetattr(*slave, TCSANOW, term);
if (winsize != NULL)
ioctl(*slave, TIOCSWINSZ, winsize);
if (name != NULL)
strcpy(name, pts_name);
return *slave;
}
}
return -1;
#endif
}
/***********************************************************************
* getnetbyaddr
*/
#ifndef HAVE_GETNETBYADDR
struct netent *getnetbyaddr(unsigned long net, int type)
{
errno = ENOSYS;
return NULL;
}
#endif /* defined(HAVE_GETNETBYNAME) */
/***********************************************************************
* getnetbyname
*/
#ifndef HAVE_GETNETBYNAME
struct netent *getnetbyname(const char *name)
{
errno = ENOSYS;
return NULL;
}
#endif /* defined(HAVE_GETNETBYNAME) */
/***********************************************************************
* getprotobyname
*/
#ifndef HAVE_GETPROTOBYNAME
struct protoent *getprotobyname(const char *name)
{
errno = ENOSYS;
return NULL;
}
#endif /* !defined(HAVE_GETPROTOBYNAME) */
/***********************************************************************
* getprotobynumber
*/
#ifndef HAVE_GETPROTOBYNUMBER
struct protoent *getprotobynumber(int proto)
{
errno = ENOSYS;
return NULL;
}
#endif /* !defined(HAVE_GETPROTOBYNUMBER) */
/***********************************************************************
* getservbyport
*/
#ifndef HAVE_GETSERVBYPORT
struct servent *getservbyport(int port, const char *proto)
{
errno = ENOSYS;
return NULL;
}
#endif /* !defined(HAVE_GETSERVBYPORT) */
/***********************************************************************
* getsockopt
*/
#ifndef HAVE_GETSOCKOPT
int getsockopt(int socket, int level, int option_name,
void *option_value, size_t *option_len)
{
errno = ENOSYS;
return -1;
}
#endif /* !defined(HAVE_GETSOCKOPT) */
/***********************************************************************
* inet_network
*/
#ifndef HAVE_INET_NETWORK
unsigned long inet_network(const char *cp)
{
errno = ENOSYS;
return 0;
}
#endif /* defined(HAVE_INET_NETWORK) */
/***********************************************************************
* settimeofday
*/
#ifndef HAVE_SETTIMEOFDAY
int settimeofday(struct timeval *tp, void *reserved)
{
tp->tv_sec = 0;
tp->tv_usec = 0;
errno = ENOSYS;
return -1;
}
#endif /* HAVE_SETTIMEOFDAY */
/***********************************************************************
* statfs
*/
#ifndef HAVE_STATFS
int statfs(const char *name, struct statfs *info)
{
#ifdef __BEOS__
dev_t mydev;
fs_info fsinfo;
if(!info) {
errno = ENOSYS;
return -1;
}
if ((mydev = dev_for_path(name)) < 0) {
errno = ENOSYS;
return -1;
}
if (fs_stat_dev(mydev,&fsinfo) < 0) {
errno = ENOSYS;
return -1;
}
info->f_bsize = fsinfo.block_size;
info->f_blocks = fsinfo.total_blocks;
info->f_bfree = fsinfo.free_blocks;
return 0;
#else /* defined(__BEOS__) */
errno = ENOSYS;
return -1;
#endif /* defined(__BEOS__) */
}
#endif /* !defined(HAVE_STATFS) */
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