source: trunk/athena/etc/track/misc.c @ 13492

/*
 *      $Id: misc.c,v 4.9 1999-08-13 00:15:12 danw Exp $
 */

#ifndef lint
static char *rcsid_header_h = "$Id: misc.c,v 4.9 1999-08-13 00:15:12 danw Exp $";
#endif

#include "bellcore-copyright.h"
#include "mit-copyright.h"

#include "track.h"

/*
 * diagnostic stuff: used throughout track
 */
void
printmsg( filep) FILE *filep;
{
        int i;
        char *s;

        if ( filep);
        else if ( nopullflag) return;
        else if ( logfile = fopen( logfilepath, "w+")) {
                (void) fchmod( fileno(logfile), 0664);
                filep = logfile;
        }
        else {
                fprintf( stderr, "can't open logfile %s.\n", logfilepath);
                perror("system error is: ");
                clearlocks();
                exit(1);
        }
        fprintf( filep, "\n***%s: %s", prgname, errmsg);

        if ( '\n' != errmsg[ strlen( errmsg) - 1])
                putc('\n', filep);

        fprintf( filep, "   system error is '%s'.\n", strerror( errno));

        if      ( entnum >= 0)  i = entnum;     /* passed parser */
        else if ( entrycnt >= 0)i = entrycnt;   /* in parser */
        else                    i = -1;         /* hard to tell */

        if ( *subfilepath)      s = subfilepath;
        else if ( *subfilename) s = subfilename;
        else                    s = "<unknown>";

        fprintf( filep, "   Working on list named %s", s);

        if ( i < 0) fprintf( filep," before parsing a list-elt.\n");
        else        fprintf( filep," & entry #%d: '%s'\n",
                            i, entries[ i].fromfile);

        /* a nuance of formatting:
         * we want to separate error-msgs from the update banners
         * with newlines, but if the update banners aren't present,
         * we don't want the error-msgs to be double-spaced.
         */
        if ( verboseflag && filep == stderr)
                fputc('\n', filep);
}

void
do_gripe()
{
        printmsg( logfile);
        if ( quietflag) return;
        printmsg( stderr);

        if ( ! verboseflag) {
                /* turn on verbosity, on the assumption that the user
                 * now needs to know what's being done.
                 */
                verboseflag = 1;
                fprintf(stderr, "Turning on -v option. -q suppresses this.\n");
        }
}

void
do_panic()
{
        printmsg( logfile);
        printmsg( stderr);
        clearlocks();
        exit(1);
}

/*
 * parser-support routines:
 */

void
doreset()
{
        *linebuf = '\0';
        *wordbuf = '\0';
}

void
parseinit( subfile) FILE *subfile;
{
        yyin = subfile;
        yyout = stderr;
        doreset();
        entrycnt = 0;
        clear_ent();
        errno = 0;
}

Entry *
clear_ent()
{
        Entry* e = &entries[ entrycnt];
        struct currentness *c = &e->currency;

        e->islink       =         0;
       *e->sortkey      =       '\0';
        e->keylen       =         0;
        e->fromfile     = (char*) 0;
        e->tofile       = (char*) 0;
        e->cmpfile      = (char*) 0;
        e->cmdbuf       = (char*) 0;

       *c->name  =        '\0';
       *c->link  =        '\0';
        c->cksum =          0;
        clear_stat( &c->sbuf);

        e->names.table  = (List_element**) 0;
        e->names.shift  = 0;
        e->patterns     = entries[ 0].patterns; /* XXX global patterns */

        return( e);
}

void
savestr(to,from)
char **to, *from;
{
        if (!(*to = malloc(( unsigned) strlen( from)+1))) {
                sprintf(errmsg,"ran out of memory during parse");
                do_panic();
        }
        strcpy(*to,from);
}

/* Convert mode (file type) bits to a string */

char *mode_to_string(mode)
int mode;
{
  switch(mode & S_IFMT)
    {
    case S_IFDIR:
      return "directory";
    case S_IFCHR:
      return "char-device";
    case S_IFBLK:
      return "block-device";
    case S_IFREG:
      return "file";
#ifdef S_IFIFO
    case S_IFIFO:
      return "fifo";
#endif
    case S_IFLNK:
      return "symlink";
    case S_IFSOCK:
      return "socket";
#ifdef S_IFMPX
    case S_IFMPX:
      return "multi char-device";
#endif
    default:
      return "nonexistent";
    }
}

char *mode_to_fmt(mode)
int mode;
{
  switch(mode & S_IFMT)
    {
    case S_IFDIR:
      return "d%s %c%d(%d.%d.%o)\n";
#ifdef S_IFMPX
    case S_IFMPX:
#endif
    case S_IFCHR:
      return "c%s %c%d(%d.%d.%o)\n";
    case S_IFBLK:
      return "b%s %c%d(%d.%d.%o)\n";
    case S_IFREG:
      return "f%s %c%x(%d.%d.%o)%ld\n";
    case S_IFLNK:
      return "l%s %c%s\n";
#ifdef S_IFIFO
    case S_IFIFO:
#endif
    case S_IFSOCK:
      return "*ERROR (write_statline): can't track socket %s.\n";
    default:
      return "*ERROR (write_statline): %s's file type is unknown.\n";
    }
}

char *mode_to_rfmt(mode)
int mode;
{
  switch(mode & S_IFMT)
    {
#ifdef S_IFMPX
    case S_IFMPX:
#endif
    case S_IFDIR:
    case S_IFCHR:
    case S_IFBLK:
      return "%d(%d.%d.%o)\n";
    case S_IFREG:
      return "%x(%d.%d.%o)%ld\n";
    default:
      return "";
    }
}