15 |
|
* printargs(ac,av,fp) print an argument list to fp, followed by '\n' |
16 |
|
* formatval(r,s) copy the format value in s to r |
17 |
|
* fputformat(s,fp) write "FORMAT=%s" to fp |
18 |
+ |
* nativebigendian() are we native on big-endian machine? |
19 |
+ |
* isbigendian(s) header line matches "BigEndian=1" (-1 if irrelevant) |
20 |
+ |
* fputendian(fp) write native endianness in BigEndian= line |
21 |
|
* getheader(fp,f,p) read header from fp, calling f(s,p) on each line |
22 |
|
* globmatch(pat, str) check for glob match of str against pat |
23 |
|
* checkheader(i,p,o) check header format from i against p and copy to o |
29 |
|
|
30 |
|
#include <ctype.h> |
31 |
|
|
32 |
+ |
#include "tiff.h" /* for int32 */ |
33 |
|
#include "rtio.h" |
34 |
+ |
#include "color.h" |
35 |
|
#include "resolu.h" |
36 |
|
|
37 |
|
#define MAXLINE 2048 |
45 |
|
const char TMSTR[] = "CAPDATE="; /* capture date identifier */ |
46 |
|
const char GMTSTR[] = "GMT="; /* GMT identifier */ |
47 |
|
|
48 |
+ |
const char BIGEND[] = "BigEndian="; /* big-endian variable */ |
49 |
+ |
|
50 |
|
static gethfunc mycheck; |
51 |
|
|
52 |
|
|
58 |
|
{ |
59 |
|
fputs(HDRSTR, fp); |
60 |
|
fputs(s, fp); |
61 |
< |
putc('\n', fp); |
61 |
> |
fputc('\n', fp); |
62 |
|
} |
63 |
|
|
64 |
|
|
183 |
|
{ |
184 |
|
const char *cp = FMTSTR; |
185 |
|
char *r = fmt; |
186 |
< |
|
186 |
> |
/* check against format string */ |
187 |
|
while (*cp) if (*cp++ != *s++) return(0); |
188 |
|
while (isspace(*s)) s++; |
189 |
|
if (!*s) return(0); |
190 |
< |
if (r == NULL) return(1); |
191 |
< |
do |
190 |
> |
if (r == NULL) /* just checking if format? */ |
191 |
> |
return(1); |
192 |
> |
do /* copy format ID */ |
193 |
|
*r++ = *s++; |
194 |
< |
while (*s && !isspace(*s) && r-fmt < MAXFMTLEN-1); |
195 |
< |
*r = '\0'; |
194 |
> |
while (*s && r-fmt < MAXFMTLEN-1); |
195 |
> |
|
196 |
> |
do /* remove trailing white space */ |
197 |
> |
*r-- = '\0'; |
198 |
> |
while (r > fmt && isspace(*r)); |
199 |
> |
|
200 |
|
return(1); |
201 |
|
} |
202 |
|
|
207 |
|
FILE *fp |
208 |
|
) |
209 |
|
{ |
210 |
+ |
int align = 0; |
211 |
+ |
|
212 |
|
fputs(FMTSTR, fp); |
213 |
|
fputs(s, fp); |
214 |
< |
putc('\n', fp); |
214 |
> |
/* pad to align binary type for mmap() */ |
215 |
> |
if (globmatch(PICFMT, s)) |
216 |
> |
align = 0; /* not needed for picture data */ |
217 |
> |
else if (!strncmp("float", s, 5)) |
218 |
> |
align = sizeof(float); |
219 |
> |
else if (!strncmp("double", s, 6)) |
220 |
> |
align = sizeof(double); |
221 |
> |
else if (!strncmp("16-bit", s, 6)) |
222 |
> |
align = 2; |
223 |
> |
else if (!strncmp("32-bit", s, 6)) |
224 |
> |
align = 4; |
225 |
> |
else if (!strncmp("64-bit", s, 6)) |
226 |
> |
align = 8; |
227 |
> |
if (align) { |
228 |
> |
long pos = ftell(fp); |
229 |
> |
if (pos >= 0) { |
230 |
> |
pos = (pos + 2) % align; |
231 |
> |
if (pos) align -= pos; |
232 |
> |
else align = 0; |
233 |
> |
} else |
234 |
> |
align = 0; |
235 |
> |
} |
236 |
> |
while (align-- > 0) |
237 |
> |
putc(' ', fp); |
238 |
> |
fputc('\n', fp); |
239 |
|
} |
240 |
|
|
241 |
|
|
242 |
|
int |
243 |
+ |
nativebigendian() /* are we native on a big-endian machine? */ |
244 |
+ |
{ |
245 |
+ |
union { int32 i; char c[4]; } u; |
246 |
+ |
|
247 |
+ |
u.i = 1; |
248 |
+ |
|
249 |
+ |
return(u.c[0] == 0); |
250 |
+ |
} |
251 |
+ |
|
252 |
+ |
|
253 |
+ |
int |
254 |
+ |
isbigendian( /* header line says "BigEndian=1" (-1 if irrelevant) */ |
255 |
+ |
const char *s |
256 |
+ |
) |
257 |
+ |
{ |
258 |
+ |
const char *be = BIGEND; |
259 |
+ |
|
260 |
+ |
while ((*s != '\0') & (*be != '=') && *s++ == *be) |
261 |
+ |
++be; |
262 |
+ |
if (*be != '=') |
263 |
+ |
return(-1); /* irrelevant */ |
264 |
+ |
while (isspace(*s)) |
265 |
+ |
s++; |
266 |
+ |
if (*s++ != '=') |
267 |
+ |
return(-1); |
268 |
+ |
while (isspace(*s)) |
269 |
+ |
s++; |
270 |
+ |
return(*s == '1'); |
271 |
+ |
} |
272 |
+ |
|
273 |
+ |
|
274 |
+ |
void |
275 |
+ |
fputendian( /* write native endianness in BigEndian= line */ |
276 |
+ |
FILE *fp |
277 |
+ |
) |
278 |
+ |
{ |
279 |
+ |
fputs(BIGEND, fp); |
280 |
+ |
if (nativebigendian()) |
281 |
+ |
fputs("1\n", fp); |
282 |
+ |
else |
283 |
+ |
fputs("0\n", fp); |
284 |
+ |
} |
285 |
+ |
|
286 |
+ |
|
287 |
+ |
int |
288 |
|
getheader( /* get header from file */ |
289 |
|
FILE *fp, |
290 |
|
gethfunc *f, |
331 |
|
struct check *scp = (struct check *)cp; |
332 |
|
|
333 |
|
if (!formatval(scp->fs, s) && scp->fp != NULL) |
334 |
< |
fputs(s, scp->fp); |
334 |
> |
return(fputs(s, scp->fp)); |
335 |
|
|
336 |
|
return(0); |
337 |
|
} |
360 |
|
while (*s++); |
361 |
|
return(0); |
362 |
|
case '[': /* character set */ |
363 |
< |
setmatch = *s == *++p; |
363 |
> |
setmatch = (*s == *++p); |
364 |
|
if (!*p) |
365 |
|
return(0); |
366 |
|
while (*++p != ']') { |
367 |
|
if (!*p) |
368 |
|
return(0); |
369 |
|
if (*p == '-') { |
370 |
< |
setmatch += (p[-1] <= *s && *s <= p[1]); |
370 |
> |
setmatch += (p[-1] <= *s) & (*s <= p[1]); |
371 |
|
if (!*++p) |
372 |
|
break; |
373 |
|
} else |
378 |
|
s++; |
379 |
|
break; |
380 |
|
case '\\': /* literal next */ |
381 |
< |
p++; |
381 |
> |
if (!*++p) |
382 |
> |
return(0); |
383 |
|
/* fall through */ |
384 |
|
default: /* normal character */ |
385 |
|
if (*p != *s) |