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#ifdef DOSREAD
#include <sys/param.h>
short doserrno;
short doshandle = -1;
void bcopy(), pcpy();
void _read();
char iobuf[DEV_BSIZE];
char *doserrors[] ={
/* 00 */ "no error",
/* 01 */ "function number invalid",
/* 02 */ "file not found",
/* 03 */ "path not found",
/* 04 */ "too many open files (no handles available)",
/* 05 */ "access denied",
/* 06 */ "invalid handle",
/* 07 */ "memory control block destroyed",
/* 08 */ "insufficient memory",
/* 09 */ "memory block address invalid",
/* 0A */ "environment invalid (usually >32K in length)",
/* 0B */ "format invalid",
/* 0C */ "access code invalid",
/* 0D */ "data invalid",
/* 0E */ "reserved",
/* 0F */ "invalid drive",
/* 10 */ "attempted to remove current directory",
/* 11 */ "not same device",
/* 12 */ "no more files",
/* 13 */ "disk write-protected",
/* 14 */ "unknown unit",
/* 15 */ "drive not ready",
/* 16 */ "unknown command",
/* 17 */ "data error (CRC)",
/* 18 */ "bad request structure length",
/* 19 */ "seek error",
/* 1A */ "unknown media type (non-DOS disk)",
/* 1B */ "sector not found",
/* 1C */ "printer out of paper",
/* 1D */ "write fault",
/* 1E */ "read fault",
/* 1F */ "general failure",
/* 20 */ "sharing violation",
/* 21 */ "lock violation",
/* 22 */ "disk change invalid (ES:DI -> media ID structure)(see #0839)",
/* 23 */ "FCB unavailable",
/* 24 */ "sharing buffer overflow",
/* 25 */ "(DOS 4+) code page mismatch",
/* 26 */ "(DOS 4+) cannot complete file operation (out of input)",
/* 27 */ "(DOS 4+) insufficient disk space",
/* 28 */ "Reserved error (0x28)",
/* 29 */ "Reserved error (0x29)",
/* 2A */ "Reserved error (0x2A)",
/* 2B */ "Reserved error (0x2B)",
/* 2C */ "Reserved error (0x2C)",
/* 2D */ "Reserved error (0x2D)",
/* 2E */ "Reserved error (0x2E)",
/* 2F */ "Reserved error (0x2F)",
/* 30 */ "Reserved error (0x30)",
/* 31 */ "Reserved error (0x31)",
/* 32 */ "network request not supported",
/* 33 */ "remote computer not listening",
/* 34 */ "duplicate name on network",
/* 35 */ "network name not found",
/* 36 */ "network busy",
/* 37 */ "network device no longer exists",
/* 38 */ "network BIOS command limit exceeded",
/* 39 */ "network adapter hardware error",
/* 3A */ "incorrect response from network",
/* 3B */ "unexpected network error",
/* 3C */ "incompatible remote adapter",
/* 3D */ "print queue full",
/* 3E */ "queue not full",
/* 3F */ "not enough space to print file",
/* 40 */ "network name was deleted",
/* 41 */ "network: Access denied",
/* 42 */ "network device type incorrect",
/* 43 */ "network name not found",
/* 44 */ "network name limit exceeded",
/* 45 */ "network BIOS session limit exceeded",
/* 46 */ "temporarily paused",
/* 47 */ "network request not accepted",
/* 48 */ "network print/disk redirection paused",
/* 49 */ "network software not installed",
/* 4A */ "unexpected adapter close",
/* 4B */ "(LANtastic) password expired",
/* 4C */ "(LANtastic) login attempt invalid at this time",
/* 4D */ "(LANtastic v3+) disk limit exceeded on network node",
/* 4E */ "(LANtastic v3+) not logged in to network node",
/* 4F */ "reserved",
/* 50 */ "file exists",
/* 51 */ "reserved",
/* 52 */ "cannot make directory",
/* 53 */ "fail on INT 24h",
/* 54 */ "(DOS 3.3+) too many redirections",
/* 55 */ "(DOS 3.3+) duplicate redirection",
/* 56 */ "(DOS 3.3+) invalid password",
/* 57 */ "(DOS 3.3+) invalid parameter",
/* 58 */ "(DOS 3.3+) network write fault",
/* 59 */ "(DOS 4+) function not supported on network",
/* 5A */ "(DOS 4+) required system component not installed",
/* 64 */ "(MSCDEX) unknown error",
/* 65 */ "(MSCDEX) not ready",
/* 66 */ "(MSCDEX) EMS memory no longer valid",
/* 67 */ "(MSCDEX) not High Sierra or ISO-9660 format",
/* 68 */ "(MSCDEX) door open",
};
void __dosread(buffer, count, copy)
char *buffer;
int count;
void (*copy)();
{
int size;
int cnt2;
while (count) {
size=count;
if (size>DEV_BSIZE)
size=DEV_BSIZE;
size=dosread(doshandle,iobuf,size);
twiddle();
copy(iobuf , buffer, size);
buffer += size;
count -= size;
}
}
char *printdoserror(char *header)
{
static char buf[32];
int max=sizeof(doserrors)/sizeof(doserrors[0]);
if (doserrno<max && doserrno>=0)
printf("%s: %s\n",header,doserrors[doserrno]);
else
printf("%s: Unknown error %d\n",header,doserrno);
}
doclose()
{
if (doshandle>=0) {
if (dosclose(doshandle)<0) {
printdoserror("Dosclose");
doshandle = -1;
return -1;
}
}
return 0;
}
dosopenrd(char *cp)
{
if (doshandle<0) {
doshandle=dosopen(cp);
if (doshandle<0) {
printdoserror("dosopen");
return -1;
}
}
return 0;
}
#endif
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