Ident.C

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/************************************************************************
 * Ident.C: build identification functions (for POSIX systems)
 * $Id: Ident.C,v 1.6 2008/06/11 22:48:17 legendre Exp $
************************************************************************/

#include "common/h/Ident.h"
#include <stdio.h>
#include <string>
#include <iostream>
#include <ostream>

using namespace std;

Ident::Ident (const char *Vstr, const char *expected_suite)
{
    const int es_len = strlen(expected_suite);  // expected suite name length
    char fullrelease[32];            // temporary holder for release_+buildnum_

#ifdef BROKEN_SSCANF
    char *p=strchr(Vstr,' ');
    if (!p || ((p-Vstr) > 16)) return;
#endif
    int n = sscanf (Vstr, IdentFormat, 
        suite_, fullrelease, component_, revision_, date_, time_, builder_);

    ok_ = (n==IdentFields);

    if (n <= 0) {
        // parsing failed completely!
        cerr << "Warning! Failed to parse identification string:\n<"
             << Vstr << ">" << endl;
    } else if (n < IdentFields) {
        // report how far parsing succeeded
        cerr << "Warning! Parsed only " << n << " of " << IdentFields
             << " fields from $" << suite_ << " identification string: <"
             << Vstr << ">:" << endl;
        cerr << "Release=("     << fullrelease << ") "
             << "Component=("   << component_ << ") "
             << "Revision=("    << revision_ << ") "  
             << "Date=("        << date_ << ") "
             << "Time=("        << time_ << ") "
             << "Builder=("     << builder_ << ") "
             << endl;
    } else { 
        // check Suite is that expected
        if (strncmp(expected_suite, suite_, es_len) == 0) {
            //cerr << "Successfully parsed $Suite identification string" << endl;
            suite_[es_len]='\0';         // remove unnecessary trailing ":"
        } else {
            if (char *p=strrchr(suite_, ':')) { *p='\0'; }
            cerr << "Warning! Identifier contained unexpected suite name: "
                 << suite_ << " <=> " << expected_suite << endl;
        }
        // separate buildnum from release identifier
        if (char *p=strrchr(fullrelease, '-')) {
            strncpy (buildnum_, p, sizeof(buildnum_));
            *p='\0';
            strncpy (release_, fullrelease, sizeof(release_));
        } else {
            //cerr << "No buildnum located in release id " << fullrelease << endl;
            strncpy (release_, fullrelease, sizeof(release_));
        }
    }
}

Ident::~Ident() { }

ostream& operator<< (ostream &os, const Ident &Id)
{
#if defined(notdef)
    // verbose tagged version intended for debugging
    pdstring buf = "{"
       + " suite="     + Id.suite()
       + " release="   + Id.release()
       + " buildnum="  + Id.buildnum()
       + " component=" + Id.component()
       + " revision="  + Id.revision()
       + " date="      + Id.date()
       + " time="      + Id.time()
       + " builder="   + Id.builder()
       + " }";
#else
    // concise inline version intended for normal use
    char buf[128];
    sprintf(buf, IdentOutFmt, Id.suite_,
        Id.release_, Id.buildnum_, Id.component_, Id.revision_,
        Id.date_, Id.time_, Id.builder_);
#endif

    return os << buf;
}