src/tiff/mkversion.c

   1 /* "$Header$ */
   2
   3 /*
   4  * Copyright (c) 1995-1997 Sam Leffler
   5  * Copyright (c) 1995-1997 Silicon Graphics, Inc.
   6  *
   7  * Permission to use, copy, modify, distribute, and sell this software and
   8  * its documentation for any purpose is hereby granted without fee, provided
   9  * that (i) the above copyright notices and this permission notice appear in
  10  * all copies of the software and related documentation, and (ii) the names of
  11  * Sam Leffler and Silicon Graphics may not be used in any advertising or
  12  * publicity relating to the software without the specific, prior written
  13  * permission of Sam Leffler and Silicon Graphics.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
  17  * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
  18  *
  19  * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
  20  * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
  21  * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  22  * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
  23  * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
  24  * OF THIS SOFTWARE.
  25  */
  26
  27 /*
  28  * Generate a library version string for systems that
  29  * do not have a shell (by default this is done with
  30  * awk and echo from the Makefile).
  31  *
  32  * This was written by Peter Greenham for Acorn systems.
  33  *
  34  * Syntax: mkversion [-v version-file] [<outfile>]
  35  */
  36 #include <stdio.h>
  37 #include <stdlib.h>
  38 #include <string.h>
  39
  40 static void
  41 usage(void)
  42 {
  43     fprintf(stderr,
  44             "usage: mkversion [-v version-file]\n"
  45             "                 [-r releasedate-file] [outfile]\n");
  46     exit(-1);
  47 }
  48
  49 static FILE*
  50 openFile(char* filename)
  51 {
  52     FILE* fd = fopen(filename, "r");
  53     if (fd == NULL) {
  54         fprintf(stderr, "mkversion: %s: Could not open for reading.\n",
  55             filename);
  56         exit(-1);
  57     }
  58     return (fd);
  59 }
  60
  61 int
  62 main(int argc, char* argv[])
  63 {
  64     char* versionFile = "../VERSION";
  65     char* releaseDateFile = "../RELEASE-DATE";
  66     char version[128];
  67     char rawReleaseDate[128];
  68     char tiffLibVersion[128];
  69     FILE* fd;
  70     char* cp;
  71
  72     argc--, argv++;
  73     while (argc > 0 && argv[0][0] == '-') {
  74         if (strcmp(argv[0], "-v") == 0) {
  75             if (argc < 1)
  76                 usage();
  77             argc--, argv++;
  78             versionFile = argv[0];
  79         } else if (strcmp(argv[0], "-r") == 0) {
  80             if (argc < 1)
  81                 usage();
  82             argc--, argv++;
  83             releaseDateFile = argv[0];
  84         } else
  85             usage();
  86         argc--, argv++;
  87     }
  88
  89     /*
  90      * Read the VERSION file.
  91      */
  92     fd = openFile(versionFile);
  93     if (fgets(version, sizeof (version)-1, fd) == NULL) {
  94         fprintf(stderr, "mkversion: No version information in %s.\n",
  95             versionFile);
  96         exit(-1);
  97     }
  98     cp = strchr(version, '\n');
  99     if (cp)
 100         *cp = '\0';
 101     fclose(fd);
 102
 103     /*
 104      * Read the RELEASE-DATE, and translate format to emit TIFFLIB_VERSION.
 105      */
 106     fd = openFile(releaseDateFile);
 107     if (fgets(rawReleaseDate, sizeof (rawReleaseDate)-1, fd) == NULL) {
 108         fprintf(stderr, "mkversion: No release date information in %s.\n",
 109                 releaseDateFile);
 110         exit(-1);
 111     }
 112     fclose(fd);
 113
 114     sprintf( tiffLibVersion, "#define TIFFLIB_VERSION %4.4s%2.2s%2.2s",
 115              rawReleaseDate+6,
 116              rawReleaseDate+0,
 117              rawReleaseDate+3 );
 118
 119     /*
 120      * Emit the tiffvers.h file.
 121      */
 122     if (argc > 0) {
 123         fd = fopen(argv[0], "w");
 124         if (fd == NULL) {
 125             fprintf(stderr, "mkversion: %s: Could not open for writing.\n",
 126                 argv[0]);
 127             exit(-1);
 128         }
 129     } else
 130         fd = stdout;
 131     fprintf(fd, "#define TIFFLIB_VERSION_STR \"LIBTIFF, Version %s\\n", version);
 132     fprintf(fd, "Copyright (c) 1988-1996 Sam Leffler\\n");
 133     fprintf(fd, "Copyright (c) 1991-1996 Silicon Graphics, Inc.\"\n");
 134
 135     fprintf( fd,
 136              "/*\n"
 137              " * This define can be used in code that requires\n"
 138              " * compilation-related definitions specific to a\n"
 139              " * version or versions of the library.  Runtime\n"
 140              " * version checking should be done based on the\n"
 141              " * string returned by TIFFGetVersion.\n"
 142              " */\n" );
 143     fprintf(fd, "%s\n", tiffLibVersion );
 144
 145     if (fd != stdout)
 146         fclose(fd);
 147     return (0);
 148 }