| 1 | /* -*-c-*- |
| 2 | * |
| 3 | * $Id$ |
| 4 | * |
| 5 | * Utilities for Catacomb/Perl |
| 6 | * |
| 7 | * (c) 2001 Straylight/Edgeware |
| 8 | */ |
| 9 | |
| 10 | /*----- Licensing notice --------------------------------------------------* |
| 11 | * |
| 12 | * This file is part of the Perl interface to Catacomb. |
| 13 | * |
| 14 | * Catacomb/Perl is free software; you can redistribute it and/or modify |
| 15 | * it under the terms of the GNU General Public License as published by |
| 16 | * the Free Software Foundation; either version 2 of the License, or |
| 17 | * (at your option) any later version. |
| 18 | * |
| 19 | * Catacomb/Perl is distributed in the hope that it will be useful, |
| 20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 22 | * GNU General Public License for more details. |
| 23 | * |
| 24 | * You should have received a copy of the GNU General Public License |
| 25 | * along with Catacomb/Perl; if not, write to the Free Software Foundation, |
| 26 | * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 27 | */ |
| 28 | |
| 29 | /*----- Header files ------------------------------------------------------*/ |
| 30 | |
| 31 | #include "catacomb-perl.h" |
| 32 | |
| 33 | /*----- Main code ---------------------------------------------------------*/ |
| 34 | |
| 35 | U32 findconst(const struct consttab *cc, const char *pkg, const char *name) |
| 36 | { |
| 37 | const char *p; |
| 38 | if ((p = strrchr(name, ':')) != 0) |
| 39 | name = p + 1; |
| 40 | while (cc->name) { |
| 41 | if (strcmp(cc->name, name) == 0) |
| 42 | return (cc->val); |
| 43 | cc++; |
| 44 | } |
| 45 | croak("unknown %s constant `%s'", pkg, name); |
| 46 | } |
| 47 | |
| 48 | void ptrtosv(SV **sv, void *p, const char *type) |
| 49 | { |
| 50 | if (p) |
| 51 | sv_setref_pv(*sv, type, (void *)p); |
| 52 | else |
| 53 | *sv = &PL_sv_undef; |
| 54 | } |
| 55 | |
| 56 | void *ptrfromsv(SV *sv, const char *type, const char *what, ...) |
| 57 | { |
| 58 | if (!sv_derived_from(sv, type)) { |
| 59 | va_list ap; |
| 60 | SV *t = sv_newmortal(); |
| 61 | va_start(ap, what); |
| 62 | sv_vsetpvfn(t, what, strlen(what), &ap, 0, 0, 0); |
| 63 | croak("%s is not of type %s", SvPVX(t), type); |
| 64 | } |
| 65 | return (void *)SvIV((SV *)SvRV(sv)); |
| 66 | } |
| 67 | |
| 68 | /*----- That's all, folks -------------------------------------------------*/ |