misc/dos_fs.c

   1 /*
   2  * DOS-FS
   3  * NOV 1993 Erik Bos <erik@xs4all.nl>
   4  *
   5  * FindFile by Bob, hacked for dos & unixpaths by Erik.
   6  *
   7  * Bugfix by dash@ifi.uio.no: ToUnix() was called to often
   8  */
   9
  10 #include <ctype.h>
  11 #include <errno.h>
  12 #include <stdio.h>
  13 #include <stdlib.h>
  14 #include <string.h>
  15 #include <sys/stat.h>
  16 #include <pwd.h>
  17 #include <dirent.h>
  18 #include <unistd.h>
  19 #include <fcntl.h>
  20
  21 #if defined(__linux__) || defined(sun)
  22 #include <sys/vfs.h>
  23 #endif
  24 #if defined(__NetBSD__) || defined(__FreeBSD__)
  25 #include <sys/param.h>
  26 #include <sys/mount.h>
  27 #include <sys/errno.h>
  28 #endif
  29 #ifdef __svr4__
  30 #include <sys/statfs.h>
  31 #endif
  32 #include "wine.h"
  33 #include "windows.h"
  34 #include "msdos.h"
  35 #include "dos_fs.h"
  36 #include "comm.h"
  37 #include "task.h"
  38 #include "stddebug.h"
  39 #include "debug.h"
  40 #include "xmalloc.h"
  41
  42 #define WINE_INI_USER "~/.winerc"
  43
  44
  45 static void ExpandTildeString(char *s)
  46 {
  47     struct passwd *entry;
  48     char temp[1024], *ptr = temp;
  49
  50     strcpy(temp, s);
  51
  52     while (*ptr)
  53     {
  54         if (*ptr != '~')
  55         {
  56             *s++ = *ptr++;
  57             continue;
  58         }
  59
  60         ptr++;
  61
  62         if ( (entry = getpwuid(getuid())) == NULL)
  63         {
  64             continue;
  65         }
  66
  67         strcpy(s, entry->pw_dir);
  68         s += strlen(entry->pw_dir);
  69     }
  70     *s = 0;
  71 }
  72
  73
  74
  75 int DOS_GetFreeSpace(int drive, long *size, long *available)
  76 {
  77     struct statfs info;
  78     const char *root;
  79
  80     if (!DRIVE_IsValid(drive)) return 0;
  81     root = DRIVE_GetRoot(drive);
  82
  83 #ifdef __svr4__
  84         if (statfs( root, &info, 0, 0) < 0) {
  85 #else
  86         if (statfs( root, &info) < 0) {
  87 #endif
  88                 fprintf(stderr,"dosfs: cannot do statfs(%s)\n", root );
  89                 return 0;
  90         }
  91
  92         *size = info.f_bsize * info.f_blocks;
  93 #ifdef __svr4__
  94         *available = info.f_bfree * info.f_bsize;
  95 #else
  96         *available = info.f_bavail * info.f_bsize;
  97 #endif
  98         return 1;
  99 }
 100
 101 /**********************************************************************
 102  *              WineIniFileName
 103  */
 104 char *WineIniFileName(void)
 105 {
 106         int fd;
 107         static char *filename = NULL;
 108         static char name[256];
 109
 110         if (filename)
 111                 return filename;
 112
 113         strcpy(name, WINE_INI_USER);
 114         ExpandTildeString(name);
 115         if ((fd = open(name, O_RDONLY)) != -1) {
 116                 close(fd);
 117                 filename = name;
 118                 return filename;
 119         }
 120         if ((fd = open(WINE_INI_GLOBAL, O_RDONLY)) != -1) {
 121                 close(fd);
 122                 filename = WINE_INI_GLOBAL;
 123                 return filename;
 124         }
 125         fprintf(stderr,"wine: can't open configuration file %s or %s !\n",
 126                 WINE_INI_GLOBAL, WINE_INI_USER);
 127         exit(1);
 128 }
 129