| 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 |  | *  headidval(r,s)      copy header identifier value in s to r | 
| 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  "resolu.h" | 
| 35 |  |  | 
| 44 |  | const char  TMSTR[] = "CAPDATE=";       /* capture date identifier */ | 
| 45 |  | const char  GMTSTR[] = "GMT=";          /* GMT identifier */ | 
| 46 |  |  | 
| 47 | + | const char  BIGEND[] = "BigEndian=";    /* big-endian variable */ | 
| 48 | + |  | 
| 49 |  | static gethfunc mycheck; | 
| 50 |  |  | 
| 51 |  |  | 
| 52 |  | void | 
| 53 |  | newheader(              /* identifying line of information header */ | 
| 54 | < | char  *s, | 
| 54 | > | const char  *s, | 
| 55 |  | FILE  *fp | 
| 56 |  | ) | 
| 57 |  | { | 
| 58 |  | fputs(HDRSTR, fp); | 
| 59 |  | fputs(s, fp); | 
| 60 | < | putc('\n', fp); | 
| 60 | > | fputc('\n', fp); | 
| 61 |  | } | 
| 62 |  |  | 
| 63 |  |  | 
| 64 |  | int | 
| 65 |  | headidval(                      /* get header id (return true if is id) */ | 
| 66 |  | char  *r, | 
| 67 | < | char    *s | 
| 67 | > | const char      *s | 
| 68 |  | ) | 
| 69 |  | { | 
| 70 |  | const char  *cp = HDRSTR; | 
| 80 |  | int | 
| 81 |  | dateval(                /* convert capture date line to UTC */ | 
| 82 |  | time_t  *tloc, | 
| 83 | < | char    *s | 
| 83 | > | const char      *s | 
| 84 |  | ) | 
| 85 |  | { | 
| 86 |  | struct tm       tms; | 
| 106 |  | int | 
| 107 |  | gmtval(                 /* convert GMT date line to UTC */ | 
| 108 |  | time_t  *tloc, | 
| 109 | < | char    *s | 
| 109 | > | const char      *s | 
| 110 |  | ) | 
| 111 |  | { | 
| 112 |  | struct tm       tms; | 
| 167 |  | FILE  *fp | 
| 168 |  | ) | 
| 169 |  | { | 
| 170 | + | #if defined(_WIN32) || defined(_WIN64) | 
| 171 | + | extern char     *fixargv0(char *arg0); | 
| 172 | + | char            myav0[128]; | 
| 173 | + | /* clean up Windows executable path */ | 
| 174 | + | if (ac-- <= 0) return; | 
| 175 | + | fputs(fixargv0(strcpy(myav0, *av++)), fp); | 
| 176 | + | fputc(ac ? ' ' : '\n', fp); | 
| 177 | + | #endif | 
| 178 |  | while (ac-- > 0) { | 
| 179 |  | fputword(*av++, fp); | 
| 180 |  | fputc(ac ? ' ' : '\n', fp); | 
| 184 |  |  | 
| 185 |  | int | 
| 186 |  | formatval(                      /* get format value (return true if format) */ | 
| 187 | < | char  *r, | 
| 188 | < | char  *s | 
| 187 | > | char  fmt[MAXFMTLEN], | 
| 188 | > | const char  *s | 
| 189 |  | ) | 
| 190 |  | { | 
| 191 |  | const char  *cp = FMTSTR; | 
| 192 | + | char  *r = fmt; | 
| 193 |  |  | 
| 194 |  | while (*cp) if (*cp++ != *s++) return(0); | 
| 195 |  | while (isspace(*s)) s++; | 
| 197 |  | if (r == NULL) return(1); | 
| 198 |  | do | 
| 199 |  | *r++ = *s++; | 
| 200 | < | while (*s && !isspace(*s)); | 
| 200 | > | while (*s && !isspace(*s) && r-fmt < MAXFMTLEN-1); | 
| 201 |  | *r = '\0'; | 
| 202 |  | return(1); | 
| 203 |  | } | 
| 205 |  |  | 
| 206 |  | void | 
| 207 |  | fputformat(             /* put out a format value */ | 
| 208 | < | char  *s, | 
| 208 | > | const char  *s, | 
| 209 |  | FILE  *fp | 
| 210 |  | ) | 
| 211 |  | { | 
| 212 | + | int     align = 0; | 
| 213 | + |  | 
| 214 |  | fputs(FMTSTR, fp); | 
| 215 |  | fputs(s, fp); | 
| 216 | < | putc('\n', fp); | 
| 216 | > | /* pad to align binary type for mmap() */ | 
| 217 | > | if (!strcmp(s, "float")) | 
| 218 | > | align = 4; | 
| 219 | > | else if (!strcmp(s, "double")) | 
| 220 | > | align = 8; | 
| 221 | > | if (align) { | 
| 222 | > | long    pos = ftell(fp); | 
| 223 | > | if (pos >= 0) { | 
| 224 | > | pos = (pos + 2) % align; | 
| 225 | > | if (pos) align -= pos; | 
| 226 | > | else align = 0; | 
| 227 | > | } else | 
| 228 | > | align = 0; | 
| 229 | > | } | 
| 230 | > | while (align-- > 0) | 
| 231 | > | putc(' ', fp); | 
| 232 | > | fputc('\n', fp); | 
| 233 |  | } | 
| 234 |  |  | 
| 235 |  |  | 
| 236 |  | int | 
| 237 | + | nativebigendian()       /* are we native on a big-endian machine? */ | 
| 238 | + | { | 
| 239 | + | union { int32 i; char c[4]; } u; | 
| 240 | + |  | 
| 241 | + | u.i = 1; | 
| 242 | + |  | 
| 243 | + | return(u.c[0] == 0); | 
| 244 | + | } | 
| 245 | + |  | 
| 246 | + |  | 
| 247 | + | int | 
| 248 | + | isbigendian(            /* header line says "BigEndian=1" (-1 if irrelevant) */ | 
| 249 | + | const char *s | 
| 250 | + | ) | 
| 251 | + | { | 
| 252 | + | const char      *be = BIGEND; | 
| 253 | + |  | 
| 254 | + | while ((*s != '\0') & (*be != '=') && *s++ == *be) | 
| 255 | + | ++be; | 
| 256 | + | if (*be != '=') | 
| 257 | + | return(-1);     /* irrelevant */ | 
| 258 | + | while (isspace(*s)) | 
| 259 | + | s++; | 
| 260 | + | if (*s++ != '=') | 
| 261 | + | return(-1); | 
| 262 | + | while (isspace(*s)) | 
| 263 | + | s++; | 
| 264 | + | return(*s == '1'); | 
| 265 | + | } | 
| 266 | + |  | 
| 267 | + |  | 
| 268 | + | void | 
| 269 | + | fputendian(             /* write native endianness in BigEndian= line */ | 
| 270 | + | FILE *fp | 
| 271 | + | ) | 
| 272 | + | { | 
| 273 | + | fputs(BIGEND, fp); | 
| 274 | + | if (nativebigendian()) | 
| 275 | + | fputs("1\n", fp); | 
| 276 | + | else | 
| 277 | + | fputs("0\n", fp); | 
| 278 | + | } | 
| 279 | + |  | 
| 280 | + |  | 
| 281 | + | int | 
| 282 |  | getheader(              /* get header from file */ | 
| 283 |  | FILE  *fp, | 
| 284 |  | gethfunc *f, | 
| 285 |  | void  *p | 
| 286 |  | ) | 
| 287 |  | { | 
| 288 | + | int   rtotal = 0; | 
| 289 |  | char  buf[MAXLINE]; | 
| 290 | + | int   firstc = fgetc(fp); | 
| 291 |  |  | 
| 292 | + | if (!isprint(firstc)) | 
| 293 | + | return(-1);                             /* messed up */ | 
| 294 | + | ungetc(firstc, fp); | 
| 295 |  | for ( ; ; ) { | 
| 296 | + | int     rval = 0; | 
| 297 |  | buf[MAXLINE-2] = '\n'; | 
| 298 |  | if (fgets(buf, MAXLINE, fp) == NULL) | 
| 299 |  | return(-1); | 
| 300 | < | if (buf[buf[0]=='\r'] == '\n') | 
| 301 | < | return(0); | 
| 300 | > | if (buf[buf[0]=='\r'] == '\n')          /* end of header? */ | 
| 301 | > | return(rtotal); | 
| 302 |  | if (buf[MAXLINE-2] != '\n') { | 
| 303 |  | ungetc(buf[MAXLINE-2], fp);     /* prevent false end */ | 
| 304 |  | buf[MAXLINE-2] = '\0'; | 
| 305 |  | } | 
| 306 | < | if (f != NULL && (*f)(buf, p) < 0) | 
| 306 | > | if (f != NULL && (rval = (*f)(buf, p)) < 0) | 
| 307 |  | return(-1); | 
| 308 | + | rtotal += rval; | 
| 309 |  | } | 
| 310 |  | } | 
| 311 |  |  | 
| 312 |  |  | 
| 313 |  | struct check { | 
| 314 |  | FILE    *fp; | 
| 315 | < | char    fs[64]; | 
| 315 | > | char    fs[MAXFMTLEN]; | 
| 316 |  | }; | 
| 317 |  |  | 
| 318 |  |  | 
| 322 |  | void  *cp | 
| 323 |  | ) | 
| 324 |  | { | 
| 325 | < | if (!formatval(((struct check*)cp)->fs, s) | 
| 326 | < | && ((struct check*)cp)->fp != NULL) { | 
| 327 | < | fputs(s, ((struct check*)cp)->fp); | 
| 328 | < | } | 
| 325 | > | struct check    *scp = (struct check *)cp; | 
| 326 | > |  | 
| 327 | > | if (!formatval(scp->fs, s) && scp->fp != NULL) | 
| 328 | > | return(fputs(s, scp->fp)); | 
| 329 | > |  | 
| 330 |  | return(0); | 
| 331 |  | } | 
| 332 |  |  | 
| 333 |  |  | 
| 334 |  | int | 
| 335 |  | globmatch(                      /* check for match of s against pattern p */ | 
| 336 | < | char    *p, | 
| 337 | < | char    *s | 
| 336 | > | const char      *p, | 
| 337 | > | const char      *s | 
| 338 |  | ) | 
| 339 |  | { | 
| 340 |  | int     setmatch; | 
| 402 |  | int | 
| 403 |  | checkheader( | 
| 404 |  | FILE  *fin, | 
| 405 | < | char  *fmt, | 
| 405 | > | char  fmt[MAXFMTLEN], | 
| 406 |  | FILE  *fout | 
| 407 |  | ) | 
| 408 |  | { |