external/bsd/ntp/dist/sntp/libopts/version.c

   1 /*      $NetBSD$        */
   2
   3
   4 /*  Id: e21e2bf9958c54e440efbdc7c1026e46ac589f66
   5  * Time-stamp:      "2008-07-27 10:11:30 bkorb"
   6  *
   7  *  This module implements the default usage procedure for
   8  *  Automated Options.  It may be overridden, of course.
   9  */
  10
  11 /*
  12  *  This file is part of AutoOpts, a companion to AutoGen.
  13  *  AutoOpts is free software.
  14  *  AutoOpts is copyright (c) 1992-2009 by Bruce Korb - all rights reserved
  15  *
  16  *  AutoOpts is available under any one of two licenses.  The license
  17  *  in use must be one of these two and the choice is under the control
  18  *  of the user of the license.
  19  *
  20  *   The GNU Lesser General Public License, version 3 or later
  21  *      See the files "COPYING.lgplv3" and "COPYING.gplv3"
  22  *
  23  *   The Modified Berkeley Software Distribution License
  24  *      See the file "COPYING.mbsd"
  25  *
  26  *  These files have the following md5sums:
  27  *
  28  *  43b91e8ca915626ed3818ffb1b71248b pkg/libopts/COPYING.gplv3
  29  *  06a1a2e4760c90ea5e1dad8dfaac4d39 pkg/libopts/COPYING.lgplv3
  30  *  66a5cedaf62c4b2637025f049f9b826f pkg/libopts/COPYING.mbsd
  31  */
  32
  33 /* = = = START-STATIC-FORWARD = = = */
  34 /* static forward declarations maintained by mk-fwd */
  35 static void
  36 printVersion( tOptions* pOpts, tOptDesc* pOD, FILE* fp );
  37 /* = = = END-STATIC-FORWARD = = = */
  38
  39 /*=export_func  optionVersion
  40  *
  41  * what:     return the compiled AutoOpts version number
  42  * ret_type: char const*
  43  * ret_desc: the version string in constant memory
  44  * doc:
  45  *  Returns the full version string compiled into the library.
  46  *  The returned string cannot be modified.
  47 =*/
  48 char const*
  49 optionVersion( void )
  50 {
  51     static char const zVersion[] =
  52         STR( AO_CURRENT.AO_REVISION );
  53
  54     return zVersion;
  55 }
  56
  57
  58 static void
  59 printVersion( tOptions* pOpts, tOptDesc* pOD, FILE* fp )
  60 {
  61     char swCh;
  62
  63     /*
  64      *  IF the optional argument flag is off, or the argument is not provided,
  65      *  then just print the version.
  66      */
  67     if (  ((pOD->fOptState & OPTST_ARG_OPTIONAL) == 0)
  68        || (pOD->optArg.argString == NULL))
  69          swCh = 'v';
  70     else swCh = tolower(pOD->optArg.argString[0]);
  71
  72     if (pOpts->pzFullVersion != NULL) {
  73         fputs( pOpts->pzFullVersion, fp );
  74         fputc( '\n', fp );
  75
  76     } else {
  77         char const *pz = pOpts->pzUsageTitle;
  78         do { fputc(*pz, fp); } while (*(pz++) != '\n');
  79     }
  80
  81     switch (swCh) {
  82     case NUL: /* arg provided, but empty */
  83     case 'v':
  84         break;
  85
  86     case 'c':
  87         if (pOpts->pzCopyright != NULL) {
  88             fputs( pOpts->pzCopyright, fp );
  89             fputc( '\n', fp );
  90         }
  91         fprintf( fp, zAO_Ver, optionVersion() );
  92         if (pOpts->pzBugAddr != NULL)
  93             fprintf( fp, zPlsSendBugs, pOpts->pzBugAddr );
  94         break;
  95
  96     case 'n':
  97         if (pOpts->pzCopyright != NULL) {
  98             fputs( pOpts->pzCopyright, fp );
  99             fputc( '\n', fp );
 100             fputc( '\n', fp );
 101         }
 102
 103         if (pOpts->pzCopyNotice != NULL) {
 104             fputs( pOpts->pzCopyNotice, fp );
 105             fputc( '\n', fp );
 106         }
 107
 108         fprintf( fp, zAO_Ver, optionVersion() );
 109         if (pOpts->pzBugAddr != NULL)
 110             fprintf( fp, zPlsSendBugs, pOpts->pzBugAddr );
 111         break;
 112
 113     default:
 114         fprintf( stderr, zBadVerArg, swCh );
 115         exit( EXIT_FAILURE );
 116     }
 117
 118     exit( EXIT_SUCCESS );
 119 }
 120
 121 /*=export_func  optionPrintVersion
 122  * private:
 123  *
 124  * what:  Print the program version
 125  * arg:   + tOptions* + pOpts    + program options descriptor +
 126  * arg:   + tOptDesc* + pOptDesc + the descriptor for this arg +
 127  *
 128  * doc:
 129  *  This routine will print the version to stdout.
 130 =*/
 131 void
 132 optionPrintVersion( tOptions*  pOpts, tOptDesc*  pOD )
 133 {
 134     printVersion( pOpts, pOD, stdout );
 135 }
 136
 137 /*=export_func  optionVersionStderr
 138  * private:
 139  *
 140  * what:  Print the program version to stderr
 141  * arg:   + tOptions* + pOpts    + program options descriptor +
 142  * arg:   + tOptDesc* + pOptDesc + the descriptor for this arg +
 143  *
 144  * doc:
 145  *  This routine will print the version to stderr.
 146 =*/
 147 void
 148 optionVersionStderr( tOptions*  pOpts, tOptDesc*  pOD )
 149 {
 150     printVersion( pOpts, pOD, stderr );
 151 }
 152
 153 /*
 154  * Local Variables:
 155  * mode: C
 156  * c-file-style: "stroustrup"
 157  * indent-tabs-mode: nil
 158  * End:
 159  * end of autoopts/version.c */