94 |
|
#define H_BADF 01 |
95 |
|
#define H_OBST 02 |
96 |
|
#define H_OBSF 04 |
97 |
+ |
#define H_SWAP 010 |
98 |
|
|
99 |
|
static int |
100 |
|
holheadline( /* check holodeck header line */ |
102 |
|
void *vhf |
103 |
|
) |
104 |
|
{ |
105 |
+ |
int be; |
106 |
|
char fmt[MAXFMTLEN]; |
107 |
|
int *hf = vhf; |
108 |
|
|
124 |
|
error(WARNING, "bad OBSTRUCTIONS value in holodeck"); |
125 |
|
return(0); |
126 |
|
} |
127 |
+ |
if ((be = isbigendian(s)) >= 0) { |
128 |
+ |
if (be != nativebigendian()) |
129 |
+ |
*hf |= H_SWAP; |
130 |
+ |
} |
131 |
|
return(0); |
132 |
|
} |
133 |
|
|
150 |
|
} |
151 |
|
/* check header and magic number */ |
152 |
|
if (getheader(fp, holheadline, &hflags) < 0 || |
153 |
< |
hflags&H_BADF || getw(fp) != HOLOMAGIC) { |
154 |
< |
sprintf(errmsg, "file \"%s\" not in holodeck format", fname); |
153 |
> |
hflags&(H_BADF|H_SWAP) || getw(fp) != HOLOMAGIC) { |
154 |
> |
sprintf(errmsg, "holodeck \"%s\" not in expected format", fname); |
155 |
|
error(USER, errmsg); |
156 |
|
} |
157 |
|
fd = dup(fileno(fp)); /* dup file handle */ |