4 |
|
/* |
5 |
|
* header.c - routines for reading and writing information headers. |
6 |
|
* |
7 |
< |
* Externals declared in resolu.h |
7 |
> |
* Externals declared in rtio.h |
8 |
|
* |
9 |
|
* newheader(t,fp) start new information header identified by string t |
10 |
– |
* isheadid(s) returns true if s is a header id line |
10 |
|
* headidval(r,s) copy header identifier value in s to r |
11 |
< |
* dateval(t,s) get capture date value |
12 |
< |
* isdate(s) returns true if s is a date line |
13 |
< |
* fputdate(t,fp) put out the given capture date and time |
11 |
> |
* dateval(t,s) get capture date value as UTC |
12 |
> |
* gmtval(t,s) get GMT as UTC |
13 |
> |
* fputdate(t,fp) put out the given UTC |
14 |
|
* fputnow(fp) put out the current date and time |
15 |
|
* printargs(ac,av,fp) print an argument list to fp, followed by '\n' |
17 |
– |
* isformat(s) returns true if s is of the form "FORMAT=*" |
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 |
27 |
|
|
28 |
|
#include "copyright.h" |
29 |
|
|
29 |
– |
#include <time.h> |
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 512 |
37 |
> |
#define MAXLINE 2048 |
38 |
|
|
39 |
< |
char HDRSTR[] = "#?"; /* information header magic number */ |
39 |
> |
extern time_t timegm(struct tm *tm); |
40 |
|
|
41 |
< |
char FMTSTR[] = "FORMAT="; /* format identifier */ |
41 |
> |
const char HDRSTR[] = "#?"; /* information header magic number */ |
42 |
|
|
43 |
< |
char TMSTR[] = "CAPDATE="; /* capture date identifier */ |
43 |
> |
const char FMTSTR[] = "FORMAT="; /* format identifier */ |
44 |
|
|
45 |
< |
static int mycheck(); |
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 |
+ |
|
53 |
|
void |
54 |
< |
newheader(s, fp) /* identifying line of information header */ |
55 |
< |
char *s; |
56 |
< |
register FILE *fp; |
54 |
> |
newheader( /* identifying line of information header */ |
55 |
> |
const char *s, |
56 |
> |
FILE *fp |
57 |
> |
) |
58 |
|
{ |
59 |
|
fputs(HDRSTR, fp); |
60 |
|
fputs(s, fp); |
61 |
< |
putc('\n', fp); |
61 |
> |
fputc('\n', fp); |
62 |
|
} |
63 |
|
|
64 |
|
|
65 |
|
int |
66 |
< |
headidval(r,s) /* get header id (return true if is id) */ |
67 |
< |
register char *r, *s; |
66 |
> |
headidval( /* get header id (return true if is id) */ |
67 |
> |
char *r, |
68 |
> |
const char *s |
69 |
> |
) |
70 |
|
{ |
71 |
< |
register char *cp = HDRSTR; |
71 |
> |
const char *cp = HDRSTR; |
72 |
|
|
73 |
|
while (*cp) if (*cp++ != *s++) return(0); |
74 |
|
if (r == NULL) return(1); |
79 |
|
|
80 |
|
|
81 |
|
int |
82 |
< |
isheadid(s) /* check to see if line is header id */ |
83 |
< |
char *s; |
82 |
> |
dateval( /* convert capture date line to UTC */ |
83 |
> |
time_t *tloc, |
84 |
> |
const char *s |
85 |
> |
) |
86 |
|
{ |
75 |
– |
return(headidval(NULL, s)); |
76 |
– |
} |
77 |
– |
|
78 |
– |
|
79 |
– |
int |
80 |
– |
dateval(tloc, s) /* get capture date value */ |
81 |
– |
time_t *tloc; |
82 |
– |
char *s; |
83 |
– |
{ |
87 |
|
struct tm tms; |
88 |
< |
register char *cp = TMSTR; |
88 |
> |
const char *cp = TMSTR; |
89 |
|
|
90 |
|
while (*cp) if (*cp++ != *s++) return(0); |
91 |
|
while (isspace(*s)) s++; |
105 |
|
|
106 |
|
|
107 |
|
int |
108 |
< |
isdate(s) /* is the given line a capture date? */ |
109 |
< |
char *s; |
108 |
> |
gmtval( /* convert GMT date line to UTC */ |
109 |
> |
time_t *tloc, |
110 |
> |
const char *s |
111 |
> |
) |
112 |
|
{ |
113 |
< |
return(dateval(NULL, s)); |
113 |
> |
struct tm tms; |
114 |
> |
const char *cp = GMTSTR; |
115 |
> |
|
116 |
> |
while (*cp) if (*cp++ != *s++) return(0); |
117 |
> |
while (isspace(*s)) s++; |
118 |
> |
if (!*s) return(0); |
119 |
> |
if (sscanf(s, "%d:%d:%d %d:%d:%d", |
120 |
> |
&tms.tm_year, &tms.tm_mon, &tms.tm_mday, |
121 |
> |
&tms.tm_hour, &tms.tm_min, &tms.tm_sec) != 6) |
122 |
> |
return(0); |
123 |
> |
if (tloc == NULL) |
124 |
> |
return(1); |
125 |
> |
tms.tm_mon--; |
126 |
> |
tms.tm_year -= 1900; |
127 |
> |
*tloc = timegm(&tms); |
128 |
> |
return(1); |
129 |
|
} |
130 |
|
|
131 |
|
|
132 |
|
void |
133 |
< |
fputdate(tv, fp) /* write out the given time value */ |
134 |
< |
time_t tv; |
135 |
< |
FILE *fp; |
133 |
> |
fputdate( /* write out the given time value (local & GMT) */ |
134 |
> |
time_t tv, |
135 |
> |
FILE *fp |
136 |
> |
) |
137 |
|
{ |
138 |
< |
struct tm *tm = localtime(&tv); |
139 |
< |
if (tm == NULL) |
140 |
< |
return; |
141 |
< |
fprintf(fp, "%s %04d:%02d:%02d %02d:%02d:%02d\n", TMSTR, |
142 |
< |
tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday, |
143 |
< |
tm->tm_hour, tm->tm_min, tm->tm_sec); |
138 |
> |
struct tm *tms; |
139 |
> |
|
140 |
> |
tms = localtime(&tv); |
141 |
> |
if (tms != NULL) |
142 |
> |
fprintf(fp, "%s %04d:%02d:%02d %02d:%02d:%02d\n", TMSTR, |
143 |
> |
tms->tm_year+1900, tms->tm_mon+1, tms->tm_mday, |
144 |
> |
tms->tm_hour, tms->tm_min, tms->tm_sec); |
145 |
> |
tms = gmtime(&tv); |
146 |
> |
if (tms != NULL) |
147 |
> |
fprintf(fp, "%s %04d:%02d:%02d %02d:%02d:%02d\n", GMTSTR, |
148 |
> |
tms->tm_year+1900, tms->tm_mon+1, tms->tm_mday, |
149 |
> |
tms->tm_hour, tms->tm_min, tms->tm_sec); |
150 |
|
} |
151 |
|
|
152 |
|
|
153 |
|
void |
154 |
< |
fputnow(fp) /* write out the current time */ |
155 |
< |
FILE *fp; |
154 |
> |
fputnow( /* write out the current time */ |
155 |
> |
FILE *fp |
156 |
> |
) |
157 |
|
{ |
158 |
|
time_t tv; |
159 |
|
time(&tv); |
162 |
|
|
163 |
|
|
164 |
|
void |
165 |
< |
printargs(ac, av, fp) /* print arguments to a file */ |
166 |
< |
int ac; |
167 |
< |
char **av; |
168 |
< |
FILE *fp; |
165 |
> |
printargs( /* print arguments to a file */ |
166 |
> |
int ac, |
167 |
> |
char **av, |
168 |
> |
FILE *fp |
169 |
> |
) |
170 |
|
{ |
171 |
+ |
#if defined(_WIN32) || defined(_WIN64) |
172 |
+ |
extern char *fixargv0(char *arg0); |
173 |
+ |
char myav0[128]; |
174 |
+ |
/* clean up Windows executable path */ |
175 |
+ |
if (ac-- <= 0) return; |
176 |
+ |
fputs(fixargv0(strcpy(myav0, *av++)), fp); |
177 |
+ |
fputc(ac ? ' ' : '\n', fp); |
178 |
+ |
#endif |
179 |
|
while (ac-- > 0) { |
180 |
|
fputword(*av++, fp); |
181 |
|
fputc(ac ? ' ' : '\n', fp); |
184 |
|
|
185 |
|
|
186 |
|
int |
187 |
< |
formatval(r, s) /* get format value (return true if format) */ |
188 |
< |
register char *r; |
189 |
< |
register char *s; |
187 |
> |
formatval( /* get format value (return true if format) */ |
188 |
> |
char fmt[MAXFMTLEN], |
189 |
> |
const char *s |
190 |
> |
) |
191 |
|
{ |
192 |
< |
register char *cp = FMTSTR; |
193 |
< |
|
192 |
> |
const char *cp = FMTSTR; |
193 |
> |
char *r = fmt; |
194 |
> |
/* check against format string */ |
195 |
|
while (*cp) if (*cp++ != *s++) return(0); |
196 |
|
while (isspace(*s)) s++; |
197 |
|
if (!*s) return(0); |
198 |
< |
if (r == NULL) return(1); |
199 |
< |
do |
198 |
> |
if (r == NULL) /* just checking if format? */ |
199 |
> |
return(1); |
200 |
> |
do /* copy format ID */ |
201 |
|
*r++ = *s++; |
202 |
< |
while(*s && !isspace(*s)); |
203 |
< |
*r = '\0'; |
202 |
> |
while (*s && r-fmt < MAXFMTLEN-1); |
203 |
> |
|
204 |
> |
do /* remove trailing white space */ |
205 |
> |
*r-- = '\0'; |
206 |
> |
while (r > fmt && isspace(*r)); |
207 |
> |
|
208 |
|
return(1); |
209 |
|
} |
210 |
|
|
211 |
|
|
212 |
+ |
void |
213 |
+ |
fputformat( /* put out a format value */ |
214 |
+ |
const char *s, |
215 |
+ |
FILE *fp |
216 |
+ |
) |
217 |
+ |
{ |
218 |
+ |
int align = 0; |
219 |
+ |
|
220 |
+ |
fputs(FMTSTR, fp); |
221 |
+ |
fputs(s, fp); |
222 |
+ |
/* pad to align binary type for mmap() */ |
223 |
+ |
if (globmatch(PICFMT, s)) |
224 |
+ |
align = 0; /* not needed for picture data */ |
225 |
+ |
else if (!strncmp("float", s, 5)) |
226 |
+ |
align = sizeof(float); |
227 |
+ |
else if (!strncmp("double", s, 6)) |
228 |
+ |
align = sizeof(double); |
229 |
+ |
else if (!strncmp("16-bit", s, 6)) |
230 |
+ |
align = 2; |
231 |
+ |
else if (!strncmp("32-bit", s, 6)) |
232 |
+ |
align = 4; |
233 |
+ |
else if (!strncmp("64-bit", s, 6)) |
234 |
+ |
align = 8; |
235 |
+ |
if (align) { |
236 |
+ |
long pos = ftell(fp); |
237 |
+ |
if (pos >= 0) { |
238 |
+ |
pos = (pos + 2) % align; |
239 |
+ |
if (pos) align -= pos; |
240 |
+ |
else align = 0; |
241 |
+ |
} else |
242 |
+ |
align = 0; |
243 |
+ |
} |
244 |
+ |
while (align-- > 0) |
245 |
+ |
putc(' ', fp); |
246 |
+ |
fputc('\n', fp); |
247 |
+ |
} |
248 |
+ |
|
249 |
+ |
|
250 |
|
int |
251 |
< |
isformat(s) /* is line a format line? */ |
170 |
< |
char *s; |
251 |
> |
nativebigendian() /* are we native on a big-endian machine? */ |
252 |
|
{ |
253 |
< |
return(formatval(NULL, s)); |
253 |
> |
union { int32 i; char c[4]; } u; |
254 |
> |
|
255 |
> |
u.i = 1; |
256 |
> |
|
257 |
> |
return(u.c[0] == 0); |
258 |
|
} |
259 |
|
|
260 |
|
|
261 |
+ |
int |
262 |
+ |
isbigendian( /* header line says "BigEndian=1" (-1 if irrelevant) */ |
263 |
+ |
const char *s |
264 |
+ |
) |
265 |
+ |
{ |
266 |
+ |
const char *be = BIGEND; |
267 |
+ |
|
268 |
+ |
while ((*s != '\0') & (*be != '=') && *s++ == *be) |
269 |
+ |
++be; |
270 |
+ |
if (*be != '=') |
271 |
+ |
return(-1); /* irrelevant */ |
272 |
+ |
while (isspace(*s)) |
273 |
+ |
s++; |
274 |
+ |
if (*s++ != '=') |
275 |
+ |
return(-1); |
276 |
+ |
while (isspace(*s)) |
277 |
+ |
s++; |
278 |
+ |
return(*s == '1'); |
279 |
+ |
} |
280 |
+ |
|
281 |
+ |
|
282 |
|
void |
283 |
< |
fputformat(s, fp) /* put out a format value */ |
284 |
< |
char *s; |
285 |
< |
FILE *fp; |
283 |
> |
fputendian( /* write native endianness in BigEndian= line */ |
284 |
> |
FILE *fp |
285 |
> |
) |
286 |
|
{ |
287 |
< |
fputs(FMTSTR, fp); |
288 |
< |
fputs(s, fp); |
289 |
< |
putc('\n', fp); |
287 |
> |
fputs(BIGEND, fp); |
288 |
> |
if (nativebigendian()) |
289 |
> |
fputs("1\n", fp); |
290 |
> |
else |
291 |
> |
fputs("0\n", fp); |
292 |
|
} |
293 |
|
|
294 |
|
|
295 |
|
int |
296 |
< |
getheader(fp, f, p) /* get header from file */ |
297 |
< |
FILE *fp; |
298 |
< |
int (*f)(char *, char *); |
299 |
< |
char *p; |
296 |
> |
getheader( /* get header from file */ |
297 |
> |
FILE *fp, |
298 |
> |
gethfunc *f, |
299 |
> |
void *p |
300 |
> |
) |
301 |
|
{ |
302 |
+ |
int rtotal = 0; |
303 |
|
char buf[MAXLINE]; |
304 |
+ |
int firstc = fgetc(fp); |
305 |
|
|
306 |
+ |
if (!isprint(firstc)) |
307 |
+ |
return(-1); /* messed up */ |
308 |
+ |
ungetc(firstc, fp); |
309 |
|
for ( ; ; ) { |
310 |
+ |
int rval = 0; |
311 |
|
buf[MAXLINE-2] = '\n'; |
312 |
|
if (fgets(buf, MAXLINE, fp) == NULL) |
313 |
|
return(-1); |
314 |
< |
if (buf[0] == '\n') |
315 |
< |
return(0); |
201 |
< |
#ifdef MSDOS |
202 |
< |
if (buf[0] == '\r' && buf[1] == '\n') |
203 |
< |
return(0); |
204 |
< |
#endif |
314 |
> |
if (buf[buf[0]=='\r'] == '\n') /* end of header? */ |
315 |
> |
return(rtotal); |
316 |
|
if (buf[MAXLINE-2] != '\n') { |
317 |
|
ungetc(buf[MAXLINE-2], fp); /* prevent false end */ |
318 |
|
buf[MAXLINE-2] = '\0'; |
319 |
|
} |
320 |
< |
if (f != NULL && (*f)(buf, p) < 0) |
320 |
> |
if (f != NULL && (rval = (*f)(buf, p)) < 0) |
321 |
|
return(-1); |
322 |
+ |
rtotal += rval; |
323 |
|
} |
324 |
|
} |
325 |
|
|
326 |
|
|
327 |
|
struct check { |
328 |
|
FILE *fp; |
329 |
< |
char fs[64]; |
329 |
> |
char fs[MAXFMTLEN]; |
330 |
|
}; |
331 |
|
|
332 |
|
|
333 |
|
static int |
334 |
< |
mycheck(s, cp) /* check a header line for format info. */ |
335 |
< |
char *s; |
336 |
< |
register struct check *cp; |
334 |
> |
mycheck( /* check a header line for format info. */ |
335 |
> |
char *s, |
336 |
> |
void *cp |
337 |
> |
) |
338 |
|
{ |
339 |
< |
if (!formatval(cp->fs, s) && cp->fp != NULL) |
340 |
< |
fputs(s, cp->fp); |
339 |
> |
struct check *scp = (struct check *)cp; |
340 |
> |
|
341 |
> |
if (!formatval(scp->fs, s) && scp->fp != NULL) |
342 |
> |
return(fputs(s, scp->fp)); |
343 |
> |
|
344 |
|
return(0); |
345 |
|
} |
346 |
|
|
347 |
|
|
348 |
|
int |
349 |
< |
globmatch(p, s) /* check for match of s against pattern p */ |
350 |
< |
register char *p, *s; |
349 |
> |
globmatch( /* check for match of s against pattern p */ |
350 |
> |
const char *p, |
351 |
> |
const char *s |
352 |
> |
) |
353 |
|
{ |
354 |
|
int setmatch; |
355 |
|
|
362 |
|
case '*': /* match any string */ |
363 |
|
while (p[1] == '*') p++; |
364 |
|
do |
365 |
< |
if ( (p[1]=='?' || p[1]==*s) && |
365 |
> |
if ( (p[1]=='?') | (p[1]==*s) && |
366 |
|
globmatch(p+1,s) ) |
367 |
|
return(1); |
368 |
|
while (*s++); |
369 |
|
return(0); |
370 |
|
case '[': /* character set */ |
371 |
< |
setmatch = *s == *++p; |
371 |
> |
setmatch = (*s == *++p); |
372 |
|
if (!*p) |
373 |
|
return(0); |
374 |
|
while (*++p != ']') { |
375 |
|
if (!*p) |
376 |
|
return(0); |
377 |
|
if (*p == '-') { |
378 |
< |
setmatch += p[-1] <= *s && *s <= p[1]; |
378 |
> |
setmatch += (p[-1] <= *s) & (*s <= p[1]); |
379 |
|
if (!*++p) |
380 |
|
break; |
381 |
|
} else |
382 |
< |
setmatch += *p == *s; |
382 |
> |
setmatch += (*p == *s); |
383 |
|
} |
384 |
|
if (!setmatch) |
385 |
|
return(0); |
386 |
|
s++; |
387 |
|
break; |
388 |
|
case '\\': /* literal next */ |
389 |
< |
p++; |
389 |
> |
if (!*++p) |
390 |
> |
return(0); |
391 |
|
/* fall through */ |
392 |
|
default: /* normal character */ |
393 |
|
if (*p != *s) |
415 |
|
*/ |
416 |
|
|
417 |
|
int |
418 |
< |
checkheader(fin, fmt, fout) |
419 |
< |
FILE *fin; |
420 |
< |
char *fmt; |
421 |
< |
FILE *fout; |
418 |
> |
checkheader( |
419 |
> |
FILE *fin, |
420 |
> |
char fmt[MAXFMTLEN], |
421 |
> |
FILE *fout |
422 |
> |
) |
423 |
|
{ |
424 |
|
struct check cdat; |
425 |
< |
register char *cp; |
425 |
> |
char *cp; |
426 |
|
|
427 |
|
cdat.fp = fout; |
428 |
|
cdat.fs[0] = '\0'; |
429 |
< |
if (getheader(fin, mycheck, (char *)&cdat) < 0) |
429 |
> |
if (getheader(fin, mycheck, &cdat) < 0) |
430 |
|
return(-1); |
431 |
|
if (!cdat.fs[0]) |
432 |
|
return(0); |