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ioctl seteof function (Link w/ -sym on)

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This commit is contained in:
Kelvin Sherlock 2013-07-13 19:19:29 -04:00
parent 6e68357051
commit 68a70cfcbc
1 changed files with 47 additions and 2 deletions
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49
mpw/mpw_ioctl.cpp
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@ -20,6 +20,9 @@
#include <cpu/fmem.h>
#include <cpu/cpuModule.h>
#include <macos/errors.h>
#include <toolbox/os.h>
#include <toolbox/os_internal.h>
@ -307,8 +310,8 @@ namespace MPW
if (rv < 0)
{
d0 = errno_to_errno(errno);
f.error = 0;
perror(NULL);
f.error = OS::Internal::errno_to_oserr(errno);
//perror(NULL);
}
else
{
@ -322,6 +325,44 @@ namespace MPW
}
uint32_t ftrap_seteof(uint32_t parm, uint32_t arg)
{
uint32_t d0;
MPWFile f;
f.flags = memoryReadWord(parm);
f.error = memoryReadWord(parm + 2);
f.device = memoryReadLong(parm + 4);
f.cookie = memoryReadLong(parm + 8);
f.count = memoryReadLong(parm + 12);
f.buffer = memoryReadLong(parm + 16);
f.error = 0;
int fd = f.cookie;
Log(" seteof(%02x, %08x)\n", fd, arg);
d0 = OS::Internal::FDEntry::action(fd,
[arg, &f](int fd, OS::Internal::FDEntry &e){
int ok = ftruncate(fd, arg);
if (ok == 0) return 0;
f.error = OS::Internal::errno_to_oserr(errno);
return errno_to_errno(errno);
},
[](int fd){
return kEINVAL;
}
);
memoryWriteWord(f.error, parm + 2);
return d0;
}
void ftrap_ioctl(uint16_t trap)
{
// returns an mpw_errno in d0 [???]
@ -363,6 +404,10 @@ namespace MPW
break;
case kFIOSETEOF:
d0 = ftrap_seteof(fd, arg);
break;
default:
fprintf(stderr, "ioctl - unsupported op %04x\n", cmd);
exit(1);
break;