gonzui

    1: /*
    2:  *----------------------------------------------------------------------
    3:  *    T2EX Software Package
    4:  *
    5:  *    Copyright 2012 by Ken Sakamura.
    6:  *    This software is distributed under the latest version of T-License 2.x.
    7:  *----------------------------------------------------------------------
    8:  *
    9:  *    Released by T-Engine Forum(http://www.t-engine.org/) at 2012/12/12.
   10:  *    Modified by TRON Forum(http://www.tron.org/) at 2015/06/04.
   11:  *
   12:  *----------------------------------------------------------------------
   13:  */
   14: /*
   15:  * This software package is available for use, modification, 
   16:  * and redistribution in accordance with the terms of the attached 
   17:  * T-License 2.x.
   18:  * If you want to redistribute the source code, you need to attach 
   19:  * the T-License 2.x document.
   20:  * There's no obligation to publish the content, and no obligation 
   21:  * to disclose it to the TRON Forum if you have modified the 
   22:  * software package.
   23:  * You can also distribute the modified source code. In this case, 
   24:  * please register the modification to T-Kernel traceability service.
   25:  * People can know the history of modifications by the service, 
   26:  * and can be sure that the version you have inherited some 
   27:  * modification of a particular version or not.
   28:  *
   29:  *    http://trace.tron.org/tk/?lang=en
   30:  *    http://trace.tron.org/tk/?lang=ja
   31:  *
   32:  * As per the provisions of the T-License 2.x, TRON Forum ensures that 
   33:  * the portion of the software that is copyrighted by Ken Sakamura or 
   34:  * the TRON Forum does not infringe the copyrights of a third party.
   35:  * However, it does not make any warranty other than this.
   36:  * DISCLAIMER: TRON Forum and Ken Sakamura shall not be held
   37:  * responsible for any consequences or damages caused directly or
   38:  * indirectly by the use of this software package.
   39:  *
   40:  * The source codes in bsd_source.tar.gz in this software package are 
   41:  * derived from NetBSD or OpenBSD and not covered under T-License 2.x.
   42:  * They need to be changed or redistributed according to the 
   43:  * representation of each source header.
   44:  */
   45: 
   46: /*
   47:  *      @(#)fs_regist.c
   48:  *
   49:  */
   50: 
   51: #include "fsdefs.h"
   52: 
   53: /*
   54:  *  Check FIMP name : returns 0: valid, -1: invalid
   55:  */
   56: EXPORT  INT      fs_check_fimpnm(const B *fimpnm)
   57: {
   58:         INT    i;
   59:         B      c;
   60: 
   61:         if (fimpnm != NULL) {
   62:                 /* valid characters are 0-9 A-Z a-z _ */
   63:                 for (i = 0; (c = fimpnm[i]) != '\0' && i < L_FIMPNM; i++) {
   64:                         if ( (c >= '0' && c <= '9') ||
   65:                                 (c >= 'a' && c <= 'z') ||
   66:                                 (c >= 'A' && c <= 'Z') ||
   67:                                 (c == '_' ) )continue;
   68:                         break;
   69:                 }
   70:                 if (i > 0 && c == '\0') return 0;
   71:         }
   72:         return -1;
   73: }
   74: 
   75: /*
   76:  *  fs_regist() - FIMP registration
   77:  */
   78: EXPORT  INT      xfs_regist(fs_env_t *env, const B *fimpnm, 
   79:                         const fs_fimp_t *fimp, void *exinf, void *tsd)
   80: {
   81:         INT            sts;
   82:         fs_fimpd_t     *fimpd;
   83: 
   84:         /* Check FIMP name */
   85:         if (fs_check_fimpnm(fimpnm) != 0) {
   86:                 sts = EX_INVAL;
   87:                 goto exit0;
   88:         }
   89: 
   90:         /* Regist FIMP */
   91:         sts = fs_fimp_regist(fimpnm, &fimpd);
   92:         if (sts != 0) goto exit0;
   93: 
   94:         /* Initialize FIMP descriptor */
   95:         (void)memcpy(&fimpd->p_fimp, fimp, sizeof(fs_fimp_t));
   96: 
   97:         /* Call FIMP registration service */
   98:         fimpd->p_fimpinf.fimpsd = tsd;
   99:         sts = fimp->registfn(&fimpd->p_fimpinf, exinf);
  100: 
  101:         /* End of registration */
  102:         fs_fimp_end_regist(fimpd, sts);
  103:         if (sts == 0) return 0;
  104: exit0:
  105:         env->t_errno = sts;
  106:         return -1;
  107: }
  108: