util/int/monstruct.c

   1 /*
   2         Moving system structs between UNIX and EM
   3 */
   4
   5 /* $Id: monstruct.c,v 2.4 1994/06/24 10:48:23 ceriel Exp $ */
   6
   7 #include        "sysidf.h"
   8 #include        "v7ioctl.h"
   9 #include        "global.h"
  10 #include        "mem.h"
  11 #include        "monstruct.h"
  12
  13 #include        <sys/types.h>
  14 #include        <sys/stat.h>
  15 #if __STDC__
  16 #include        <time.h>
  17 #endif
  18 #include        <sys/times.h>
  19 #include        <sgtty.h>
  20
  21 #ifdef  BSD_X                           /* from system.h */
  22 #include        <sys/timeb.h>
  23 #endif  /* BSD_X */
  24 #ifdef  SYS_V                           /* from system.h */
  25 struct timeb {  /* non-existing; we use an ad-hoc definition */
  26         long time;
  27         unsigned short millitm;
  28         short timezone, dstflag;
  29 }
  30 #endif  /* SYS_V */
  31
  32 /******** System to EM memory ********/
  33
  34 PRIVATE mem_stfld(addr, offset, length, val)
  35         ptr addr;
  36         size offset, length;
  37         long val;
  38 {
  39         mem_stn(addr + offset, val, length);
  40 }
  41
  42 int stat2mem(addr, statb)
  43         ptr addr;
  44         struct stat *statb;
  45 {
  46         if (memfault(addr, V7st_sz))
  47                 return 0;
  48         mem_stfld(addr, V7st_dev, (long) statb->st_dev);
  49         mem_stfld(addr, V7st_ino, (long) statb->st_ino);
  50         mem_stfld(addr, V7st_mode, (long) statb->st_mode);
  51         mem_stfld(addr, V7st_nlink, (long) statb->st_nlink);
  52         mem_stfld(addr, V7st_uid, (long) statb->st_uid);
  53         mem_stfld(addr, V7st_gid, (long) statb->st_gid);
  54         mem_stfld(addr, V7st_rdev, (long) statb->st_rdev);
  55         mem_stfld(addr, V7st_size, (long) statb->st_size);
  56         mem_stfld(addr, V7st_atime, (long) statb->st_atime);
  57         mem_stfld(addr, V7st_mtime, (long) statb->st_mtime);
  58         mem_stfld(addr, V7st_ctime, (long) statb->st_ctime);
  59         return 1;
  60 }
  61
  62 int timeb2mem(addr, timebb)
  63         ptr addr;
  64         struct timeb *timebb;
  65 {
  66         if (memfault(addr, V7tb_sz))
  67                 return 0;
  68         mem_stfld(addr, V7tb_time, (long) timebb->time);
  69         mem_stfld(addr, V7tb_millitm, (long) timebb->millitm);
  70         mem_stfld(addr, V7tb_timezone, (long) timebb->timezone);
  71         mem_stfld(addr, V7tb_dstflag, (long) timebb->dstflag);
  72         return 1;
  73 }
  74
  75 int tms2mem(addr, tmsb)
  76         ptr addr;
  77         struct tms *tmsb;
  78 {
  79         if (memfault(addr, V7tms_sz))
  80                 return 0;
  81         mem_stfld(addr, V7tms_utime, (long) tmsb->tms_utime);
  82         mem_stfld(addr, V7tms_stime, (long) tmsb->tms_stime);
  83         mem_stfld(addr, V7tms_cutime, (long) tmsb->tms_cutime);
  84         mem_stfld(addr, V7tms_cstime, (long) tmsb->tms_cstime);
  85         return 1;
  86 }
  87
  88 int sgttyb2mem(addr, sgttybb)
  89         ptr addr;
  90         struct sgttyb *sgttybb;
  91 {
  92         if (memfault(addr, V7sg_sz))
  93                 return 0;
  94         mem_stfld(addr, V7sg_ispeed, (long) sgttybb->sg_ispeed);
  95         mem_stfld(addr, V7sg_ospeed, (long) sgttybb->sg_ospeed);
  96         mem_stfld(addr, V7sg_erase, (long) sgttybb->sg_erase);
  97         mem_stfld(addr, V7sg_kill, (long) sgttybb->sg_kill);
  98         mem_stfld(addr, V7sg_flags, (long) sgttybb->sg_flags);
  99         return 1;
 100 }
 101
 102 #ifdef  BSD_X                           /* from system.h */
 103 int tchars2mem(addr, tcharsb)
 104         ptr addr;
 105         struct tchars *tcharsb;
 106 {
 107         if (memfault(addr, V7t_sz_tch))
 108                 return 0;
 109         mem_stfld(addr, V7t_intrc, (long) tcharsb->t_intrc);
 110         mem_stfld(addr, V7t_quitc, (long) tcharsb->t_quitc);
 111         mem_stfld(addr, V7t_startc, (long) tcharsb->t_startc);
 112         mem_stfld(addr, V7t_stopc, (long) tcharsb->t_stopc);
 113         mem_stfld(addr, V7t_eofc, (long) tcharsb->t_eofc);
 114         mem_stfld(addr, V7t_brkc, (long) tcharsb->t_brkc);
 115         return 1;
 116 }
 117
 118 #ifndef V7IOCTL
 119 int ltchars2mem(addr, ltcharsb)
 120         ptr addr;
 121         struct ltchars *ltcharsb;
 122 {
 123         if (memfault(addr, V7t_sz_ltch))
 124                 return 0;
 125         mem_stfld(addr, V7t_suspc, (long) ltcharsb->t_suspc);
 126         mem_stfld(addr, V7t_dsuspc, (long) ltcharsb->t_dsuspc);
 127         mem_stfld(addr, V7t_rprntc, (long) ltcharsb->t_rprntc);
 128         mem_stfld(addr, V7t_flushc, (long) ltcharsb->t_flushc);
 129         mem_stfld(addr, V7t_werasc, (long) ltcharsb->t_werasc);
 130         mem_stfld(addr, V7t_lnextc, (long) ltcharsb->t_lnextc);
 131         return 1;
 132 }
 133 #endif  /* V7IOCTL */
 134 #endif  /* BSD_X */
 135
 136
 137 /******** EM memory to system ********/
 138
 139 PRIVATE unsigned long mem_ldfld(addr, offset, length)
 140         ptr addr;
 141         size offset, length;
 142 {
 143         return mem_ldu(addr + offset, length);
 144 }
 145
 146 int mem2sgtty(addr, sgttybb)
 147         ptr addr;
 148         struct sgttyb *sgttybb;
 149 {
 150         if (memfault(addr, V7sg_sz))
 151                 return 0;
 152         sgttybb->sg_ispeed = (char) mem_ldfld(addr, V7sg_ispeed);
 153         sgttybb->sg_ospeed = (char) mem_ldfld(addr, V7sg_ospeed);
 154         sgttybb->sg_erase = (char) mem_ldfld(addr, V7sg_erase);
 155         sgttybb->sg_kill = (char) mem_ldfld(addr, V7sg_kill);
 156         sgttybb->sg_flags = (short) mem_ldfld(addr, V7sg_flags);
 157         return 1;
 158 }
 159
 160 #ifdef  BSD_X                           /* from system.h */
 161 int mem2tchars(addr, tcharsb)
 162         ptr addr;
 163         struct tchars *tcharsb;
 164 {
 165         if (memfault(addr, V7t_sz_tch))
 166                 return 0;
 167         tcharsb->t_intrc = (char) mem_ldfld(addr, V7t_intrc);
 168         tcharsb->t_quitc = (char) mem_ldfld(addr, V7t_quitc);
 169         tcharsb->t_startc = (char) mem_ldfld(addr, V7t_startc);
 170         tcharsb->t_stopc = (char) mem_ldfld(addr, V7t_stopc);
 171         tcharsb->t_eofc = (char) mem_ldfld(addr, V7t_eofc);
 172         tcharsb->t_brkc = (char) mem_ldfld(addr, V7t_brkc);
 173         return 1;
 174 }
 175
 176 #ifndef V7IOCTL
 177 int mem2ltchars(addr, ltcharsb)
 178         ptr addr;
 179         struct ltchars *ltcharsb;
 180 {
 181         if (memfault(addr, V7t_sz_ltch))
 182                 return 0;
 183         ltcharsb->t_suspc = (char) mem_ldfld(addr, V7t_suspc);
 184         ltcharsb->t_dsuspc = (char) mem_ldfld(addr, V7t_dsuspc);
 185         ltcharsb->t_rprntc = (char) mem_ldfld(addr, V7t_rprntc);
 186         ltcharsb->t_flushc = (char) mem_ldfld(addr, V7t_flushc);
 187         ltcharsb->t_werasc = (char) mem_ldfld(addr, V7t_werasc);
 188         ltcharsb->t_lnextc = (char) mem_ldfld(addr, V7t_lnextc);
 189         return 1;
 190 }
 191 #endif  /* V7IOCTL */
 192 #endif  /* BSD_X */
 193