| 1 | /* -*-c-*- |
| 2 | * |
| 3 | * Framework for checking consistency of keys |
| 4 | * |
| 5 | * (c) 2001 Straylight/Edgeware |
| 6 | */ |
| 7 | |
| 8 | /*----- Licensing notice --------------------------------------------------* |
| 9 | * |
| 10 | * This file is part of Catacomb. |
| 11 | * |
| 12 | * Catacomb is free software; you can redistribute it and/or modify |
| 13 | * it under the terms of the GNU Library General Public License as |
| 14 | * published by the Free Software Foundation; either version 2 of the |
| 15 | * License, or (at your option) any later version. |
| 16 | * |
| 17 | * Catacomb is distributed in the hope that it will be useful, |
| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 | * GNU Library General Public License for more details. |
| 21 | * |
| 22 | * You should have received a copy of the GNU Library General Public |
| 23 | * License along with Catacomb; if not, write to the Free |
| 24 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
| 25 | * MA 02111-1307, USA. |
| 26 | */ |
| 27 | |
| 28 | /*----- Header files ------------------------------------------------------*/ |
| 29 | |
| 30 | #include <stdarg.h> |
| 31 | |
| 32 | #include <mLib/dstr.h> |
| 33 | |
| 34 | #include "keycheck.h" |
| 35 | |
| 36 | /*----- Main code ---------------------------------------------------------*/ |
| 37 | |
| 38 | /* --- @keycheck_report@ --- * |
| 39 | * |
| 40 | * Arguments: @keycheck *kc@ = keycheck state |
| 41 | * @unsigned sev@ = severity of this report |
| 42 | * @const char *msg@ = message to send along |
| 43 | * @...@ = things to fill the message in with |
| 44 | * |
| 45 | * Returns: Zero to continue, or nonzero to stop and give up. |
| 46 | * |
| 47 | * Use: Reports a message to the user function. |
| 48 | */ |
| 49 | |
| 50 | int keycheck_report(keycheck *kc, unsigned sev, const char *msg, ...) |
| 51 | { |
| 52 | int rc; |
| 53 | va_list ap; |
| 54 | dstr d = DSTR_INIT; |
| 55 | |
| 56 | kc->sev[sev]++; |
| 57 | va_start(ap, msg); |
| 58 | dstr_vputf(&d, msg, &ap); |
| 59 | va_end(ap); |
| 60 | rc = kc->func ? kc->func(sev, d.buf, kc->p) : 0; |
| 61 | dstr_destroy(&d); |
| 62 | return (rc); |
| 63 | } |
| 64 | |
| 65 | /* --- @keycheck_init@ --- * |
| 66 | * |
| 67 | * Arguments: @keycheck *kc@ = pointer to block to initialize |
| 68 | * @int (*func)(unsigned sev, const char *msg, void *p)@ = |
| 69 | * handler function for problems |
| 70 | * @void *p@ = pointer to give to handler |
| 71 | * |
| 72 | * Returns: --- |
| 73 | * |
| 74 | * Use: Initializes a key checking context. |
| 75 | */ |
| 76 | |
| 77 | void keycheck_init(keycheck *kc, |
| 78 | int (*func)(unsigned /*sev*/, |
| 79 | const char */*msg*/, |
| 80 | void */*p*/), |
| 81 | void *p) |
| 82 | { |
| 83 | unsigned i; |
| 84 | kc->func = func; |
| 85 | kc->p = p; |
| 86 | for (i = 0; i < KCSEV_MAX; i++) |
| 87 | kc->sev[i] = 0; |
| 88 | } |
| 89 | |
| 90 | /* --- @keycheck_allclear@ --- * |
| 91 | * |
| 92 | * Arguments: @keycheck *kc@ = pointer to keycheck context |
| 93 | * @unsigned sev@ = minimum severity to care about |
| 94 | * |
| 95 | * Returns: Nonzero if no problems of @sev@ or above were noticed. |
| 96 | */ |
| 97 | |
| 98 | int keycheck_allclear(keycheck *kc, unsigned sev) |
| 99 | { |
| 100 | while (sev < KCSEV_MAX) { |
| 101 | if (kc->sev[sev]) |
| 102 | return (0); |
| 103 | sev++; |
| 104 | } |
| 105 | return (1); |
| 106 | } |
| 107 | |
| 108 | /*----- That's all, folks -------------------------------------------------*/ |