| 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  <stdio.h> | 
| 30 | – | #include  <string.h> | 
| 31 | – | #include  <time.h> | 
| 30 |  | #include  <ctype.h> | 
| 31 |  |  | 
| 32 | < | #include  "standard.h" | 
| 32 | > | #include  "tiff.h"      /* for int32 */ | 
| 33 | > | #include  "rtio.h" | 
| 34 | > | #include  "resolu.h" | 
| 35 |  |  | 
| 36 | < | #define  MAXLINE        512 | 
| 36 | > | #define  MAXLINE        2048 | 
| 37 |  |  | 
| 38 | < | char  HDRSTR[] = "#?";          /* information header magic number */ | 
| 38 | > | extern time_t           timegm(struct tm *tm); | 
| 39 |  |  | 
| 40 | < | char  FMTSTR[] = "FORMAT=";     /* format identifier */ | 
| 40 | > | const char  HDRSTR[] = "#?";            /* information header magic number */ | 
| 41 |  |  | 
| 42 | < | char  TMSTR[] = "CAPDATE=";     /* capture date identifier */ | 
| 42 | > | const char  FMTSTR[] = "FORMAT=";       /* format identifier */ | 
| 43 |  |  | 
| 44 | < | static int mycheck(); | 
| 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(s, fp)                /* identifying line of information header */ | 
| 54 | < | char  *s; | 
| 55 | < | register FILE  *fp; | 
| 53 | > | newheader(              /* identifying line of information header */ | 
| 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(r,s)                  /* get header id (return true if is id) */ | 
| 66 | < | register char  *r, *s; | 
| 65 | > | headidval(                      /* get header id (return true if is id) */ | 
| 66 | > | char  *r, | 
| 67 | > | const char      *s | 
| 68 | > | ) | 
| 69 |  | { | 
| 70 | < | register char  *cp = HDRSTR; | 
| 70 | > | const char  *cp = HDRSTR; | 
| 71 |  |  | 
| 72 |  | while (*cp) if (*cp++ != *s++) return(0); | 
| 73 |  | if (r == NULL) return(1); | 
| 78 |  |  | 
| 79 |  |  | 
| 80 |  | int | 
| 81 | < | isheadid(s)                     /* check to see if line is header id */ | 
| 82 | < | char  *s; | 
| 81 | > | dateval(                /* convert capture date line to UTC */ | 
| 82 | > | time_t  *tloc, | 
| 83 | > | const char      *s | 
| 84 | > | ) | 
| 85 |  | { | 
| 76 | – | return(headidval(NULL, s)); | 
| 77 | – | } | 
| 78 | – |  | 
| 79 | – |  | 
| 80 | – | int | 
| 81 | – | dateval(tloc, s)                /* get capture date value */ | 
| 82 | – | time_t  *tloc; | 
| 83 | – | char    *s; | 
| 84 | – | { | 
| 86 |  | struct tm       tms; | 
| 87 | < | register char  *cp = TMSTR; | 
| 87 | > | const char      *cp = TMSTR; | 
| 88 |  |  | 
| 89 |  | while (*cp) if (*cp++ != *s++) return(0); | 
| 90 |  | while (isspace(*s)) s++; | 
| 104 |  |  | 
| 105 |  |  | 
| 106 |  | int | 
| 107 | < | isdate(s)                       /* is the given line a capture date? */ | 
| 108 | < | char *s; | 
| 107 | > | gmtval(                 /* convert GMT date line to UTC */ | 
| 108 | > | time_t  *tloc, | 
| 109 | > | const char      *s | 
| 110 | > | ) | 
| 111 |  | { | 
| 112 | < | return(dateval(NULL, s)); | 
| 112 | > | struct tm       tms; | 
| 113 | > | const char      *cp = GMTSTR; | 
| 114 | > |  | 
| 115 | > | while (*cp) if (*cp++ != *s++) return(0); | 
| 116 | > | while (isspace(*s)) s++; | 
| 117 | > | if (!*s) return(0); | 
| 118 | > | if (sscanf(s, "%d:%d:%d %d:%d:%d", | 
| 119 | > | &tms.tm_year, &tms.tm_mon, &tms.tm_mday, | 
| 120 | > | &tms.tm_hour, &tms.tm_min, &tms.tm_sec) != 6) | 
| 121 | > | return(0); | 
| 122 | > | if (tloc == NULL) | 
| 123 | > | return(1); | 
| 124 | > | tms.tm_mon--; | 
| 125 | > | tms.tm_year -= 1900; | 
| 126 | > | *tloc = timegm(&tms); | 
| 127 | > | return(1); | 
| 128 |  | } | 
| 129 |  |  | 
| 130 |  |  | 
| 131 |  | void | 
| 132 | < | fputdate(tv, fp)                /* write out the given time value */ | 
| 133 | < | time_t  tv; | 
| 134 | < | FILE    *fp; | 
| 132 | > | fputdate(               /* write out the given time value (local & GMT) */ | 
| 133 | > | time_t  tv, | 
| 134 | > | FILE    *fp | 
| 135 | > | ) | 
| 136 |  | { | 
| 137 | < | struct tm       *tm = localtime(&tv); | 
| 138 | < | if (tm == NULL) | 
| 139 | < | return; | 
| 140 | < | fprintf(fp, "%s %04d:%02d:%02d %02d:%02d:%02d\n", TMSTR, | 
| 141 | < | tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday, | 
| 142 | < | tm->tm_hour, tm->tm_min, tm->tm_sec); | 
| 137 | > | struct tm       *tms; | 
| 138 | > |  | 
| 139 | > | tms = localtime(&tv); | 
| 140 | > | if (tms != NULL) | 
| 141 | > | fprintf(fp, "%s %04d:%02d:%02d %02d:%02d:%02d\n", TMSTR, | 
| 142 | > | tms->tm_year+1900, tms->tm_mon+1, tms->tm_mday, | 
| 143 | > | tms->tm_hour, tms->tm_min, tms->tm_sec); | 
| 144 | > | tms = gmtime(&tv); | 
| 145 | > | if (tms != NULL) | 
| 146 | > | fprintf(fp, "%s %04d:%02d:%02d %02d:%02d:%02d\n", GMTSTR, | 
| 147 | > | tms->tm_year+1900, tms->tm_mon+1, tms->tm_mday, | 
| 148 | > | tms->tm_hour, tms->tm_min, tms->tm_sec); | 
| 149 |  | } | 
| 150 |  |  | 
| 151 |  |  | 
| 152 |  | void | 
| 153 | < | fputnow(fp)                     /* write out the current time */ | 
| 154 | < | FILE    *fp; | 
| 153 | > | fputnow(                        /* write out the current time */ | 
| 154 | > | FILE    *fp | 
| 155 | > | ) | 
| 156 |  | { | 
| 157 |  | time_t  tv; | 
| 158 |  | time(&tv); | 
| 161 |  |  | 
| 162 |  |  | 
| 163 |  | void | 
| 164 | < | printargs(ac, av, fp)           /* print arguments to a file */ | 
| 165 | < | int  ac; | 
| 166 | < | char  **av; | 
| 167 | < | FILE  *fp; | 
| 164 | > | printargs(              /* print arguments to a file */ | 
| 165 | > | int  ac, | 
| 166 | > | char  **av, | 
| 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); | 
| 183 |  |  | 
| 184 |  |  | 
| 185 |  | int | 
| 186 | < | formatval(r, s)                 /* get format value (return true if format) */ | 
| 187 | < | register char  *r; | 
| 188 | < | register char  *s; | 
| 186 | > | formatval(                      /* get format value (return true if format) */ | 
| 187 | > | char  fmt[MAXFMTLEN], | 
| 188 | > | const char  *s | 
| 189 | > | ) | 
| 190 |  | { | 
| 191 | < | register char  *cp = FMTSTR; | 
| 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 |  | } | 
| 204 |  |  | 
| 205 |  |  | 
| 206 | + | void | 
| 207 | + | fputformat(             /* put out a format value */ | 
| 208 | + | const char  *s, | 
| 209 | + | FILE  *fp | 
| 210 | + | ) | 
| 211 | + | { | 
| 212 | + | int     align = 0; | 
| 213 | + |  | 
| 214 | + | fputs(FMTSTR, fp); | 
| 215 | + | fputs(s, 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 | < | isformat(s)                     /* is line a format line? */ | 
| 171 | < | char  *s; | 
| 237 | > | nativebigendian()       /* are we native on a big-endian machine? */ | 
| 238 |  | { | 
| 239 | < | return(formatval(NULL, s)); | 
| 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 | < | fputformat(s, fp)               /* put out a format value */ | 
| 270 | < | char  *s; | 
| 271 | < | FILE  *fp; | 
| 269 | > | fputendian(             /* write native endianness in BigEndian= line */ | 
| 270 | > | FILE *fp | 
| 271 | > | ) | 
| 272 |  | { | 
| 273 | < | fputs(FMTSTR, fp); | 
| 274 | < | fputs(s, fp); | 
| 275 | < | putc('\n', fp); | 
| 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(fp, f, p)             /* get header from file */ | 
| 283 | < | FILE  *fp; | 
| 284 | < | int  (*f)(); | 
| 285 | < | char  *p; | 
| 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[0] == '\n') | 
| 301 | < | return(0); | 
| 202 | < | #ifdef MSDOS | 
| 203 | < | if (buf[0] == '\r' && buf[1] == '\n') | 
| 204 | < | return(0); | 
| 205 | < | #endif | 
| 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 |  |  | 
| 319 |  | static int | 
| 320 | < | mycheck(s, cp)                  /* check a header line for format info. */ | 
| 321 | < | char  *s; | 
| 322 | < | register struct check  *cp; | 
| 320 | > | mycheck(                        /* check a header line for format info. */ | 
| 321 | > | char  *s, | 
| 322 | > | void  *cp | 
| 323 | > | ) | 
| 324 |  | { | 
| 325 | < | if (!formatval(cp->fs, s) && cp->fp != NULL) | 
| 326 | < | fputs(s, cp->fp); | 
| 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(p, s)                 /* check for match of s against pattern p */ | 
| 336 | < | register char   *p, *s; | 
| 335 | > | globmatch(                      /* check for match of s against pattern p */ | 
| 336 | > | const char      *p, | 
| 337 | > | const char      *s | 
| 338 | > | ) | 
| 339 |  | { | 
| 340 |  | int     setmatch; | 
| 341 |  |  | 
| 348 |  | case '*':                       /* match any string */ | 
| 349 |  | while (p[1] == '*') p++; | 
| 350 |  | do | 
| 351 | < | if ( (p[1]=='?' || p[1]==*s) && | 
| 351 | > | if ( (p[1]=='?') | (p[1]==*s) && | 
| 352 |  | globmatch(p+1,s) ) | 
| 353 |  | return(1); | 
| 354 |  | while (*s++); | 
| 361 |  | if (!*p) | 
| 362 |  | return(0); | 
| 363 |  | if (*p == '-') { | 
| 364 | < | setmatch += p[-1] <= *s && *s <= p[1]; | 
| 364 | > | setmatch += (p[-1] <= *s && *s <= p[1]); | 
| 365 |  | if (!*++p) | 
| 366 |  | break; | 
| 367 |  | } else | 
| 368 | < | setmatch += *p == *s; | 
| 368 | > | setmatch += (*p == *s); | 
| 369 |  | } | 
| 370 |  | if (!setmatch) | 
| 371 |  | return(0); | 
| 400 |  | */ | 
| 401 |  |  | 
| 402 |  | int | 
| 403 | < | checkheader(fin, fmt, fout) | 
| 404 | < | FILE  *fin; | 
| 405 | < | char  *fmt; | 
| 406 | < | FILE  *fout; | 
| 403 | > | checkheader( | 
| 404 | > | FILE  *fin, | 
| 405 | > | char  fmt[MAXFMTLEN], | 
| 406 | > | FILE  *fout | 
| 407 | > | ) | 
| 408 |  | { | 
| 409 |  | struct check    cdat; | 
| 410 | < | register char   *cp; | 
| 410 | > | char    *cp; | 
| 411 |  |  | 
| 412 |  | cdat.fp = fout; | 
| 413 |  | cdat.fs[0] = '\0'; | 
| 416 |  | if (!cdat.fs[0]) | 
| 417 |  | return(0); | 
| 418 |  | for (cp = fmt; *cp; cp++)               /* check for globbing */ | 
| 419 | < | if (*cp == '?' | *cp == '*') | 
| 419 | > | if ((*cp == '?') | (*cp == '*')) { | 
| 420 |  | if (globmatch(fmt, cdat.fs)) { | 
| 421 |  | strcpy(fmt, cdat.fs); | 
| 422 |  | return(1); | 
| 423 |  | } else | 
| 424 |  | return(-1); | 
| 425 | + | } | 
| 426 |  | return(strcmp(fmt, cdat.fs) ? -1 : 1);  /* literal match */ | 
| 427 |  | } |