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lightning-sunbird  0.9+nobinonly
Functions
version.c File Reference
#include "prio.h"
#include "prprf.h"
#include "prlink.h"
#include "prvrsion.h"
#include "plerror.h"
#include "plgetopt.h"

Go to the source code of this file.

Functions

 PR_IMPORT (const PRVersionDescription *)

Function Documentation

Definition at line 46 of file version.c.

{
    PRIntn rv = 1;
    PLOptStatus os;
    PRIntn verbosity = 0;
    PRLibrary *runtime = NULL;
    const char *library_name = NULL;
    const PRVersionDescription *version_info;
       char buffer[100];
       PRExplodedTime exploded;
    PLOptState *opt = PL_CreateOptState(argc, argv, "d");

    PRFileDesc *err = PR_GetSpecialFD(PR_StandardError);

    while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
    {
        if (PL_OPT_BAD == os) continue;
        switch (opt->option)
        {
        case 0:  /* fully qualified library name */
            library_name = opt->value;
            break;
        case 'd':  /* verbodity */
            verbosity += 1;
            break;
         default:
            PR_fprintf(err, "Usage: version [-d] {fully qualified library name}\n");
            return 2;  /* but not a lot else */
        }
    }
    PL_DestroyOptState(opt);

    if (NULL != library_name)
    {
        runtime = PR_LoadLibrary(library_name);
        if (NULL == runtime) {
                     PL_FPrintError(err, "PR_LoadLibrary");
                     return 3;
              } else {
            versionEntryPointType versionPoint = (versionEntryPointType)
                PR_FindSymbol(runtime, "libVersionPoint");
            if (NULL == versionPoint) {
                            PL_FPrintError(err, "PR_FindSymbol");
                            return 4;
                     }      
                     version_info = versionPoint();
              }
       } else
              version_info = libVersionPoint();  /* NSPR's version info */

       (void)PR_fprintf(err, "Runtime library version information\n");
       PR_ExplodeTime(
              version_info->buildTime, PR_GMTParameters, &exploded);
       (void)PR_FormatTime(
              buffer, sizeof(buffer), "%d %b %Y %H:%M:%S", &exploded);
       (void)PR_fprintf(err, "  Build time: %s GMT\n", buffer);
       (void)PR_fprintf(
              err, "  Build time: %s\n", version_info->buildTimeString);
       (void)PR_fprintf(
              err, "  %s V%u.%u.%u (%s%s%s)\n",
              version_info->description,
              version_info->vMajor,
              version_info->vMinor,
              version_info->vPatch,
              (version_info->beta ? " beta " : ""),
              (version_info->debug ? " debug " : ""),
              (version_info->special ? " special" : ""));
       (void)PR_fprintf(err, "  filename: %s\n", version_info->filename);
       (void)PR_fprintf(err, "  security: %s\n", version_info->security);
       (void)PR_fprintf(err, "  copyright: %s\n", version_info->copyright);
       (void)PR_fprintf(err, "  comment: %s\n", version_info->comment);
       rv = 0;
    return rv;
}

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