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DISK: Properly open in RAW mode on *nix

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This commit is contained in:
Mark Pizzolato 2018-04-11 04:20:17 -07:00
parent 5a18d31449
commit d6a5268d97
1 changed files with 5 additions and 7 deletions
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12
sim_disk.c
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@ -2616,25 +2616,23 @@ return sim_toffset_64 ? SCPE_OK : SCPE_NOFNC;
static FILE *sim_os_disk_open_raw (const char *rawdevicename, const char *openmode)
{
int mode = 0;
int fd;
if (strchr (openmode, 'r') && (strchr (openmode, '+') || strchr (openmode, 'w')))
mode = O_RDWR;
else
if (strchr (openmode, 'r'))
mode = O_RDONLY;
if (mode == O_RDONLY) {
struct stat statb;
if (stat (rawdevicename, &statb)) /* test for existence/access */
return (FILE *)NULL;
}
#ifdef O_LARGEFILE
mode |= O_LARGEFILE;
#endif
#ifdef O_DSYNC
mode |= O_DSYNC;
#endif
return (FILE *)((long)open (rawdevicename, mode, 0));
fd = open (rawdevicename, mode, 0);
if (fd < 0)
return (FILE *)NULL;
return (FILE *)((long)fd);
}
static int sim_os_disk_close_raw (FILE *f)