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1 | /* -*-c-*- |
2 | * |
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3 | * $Id: keycheck.c,v 1.3 2004/04/08 01:36:15 mdw Exp $ |
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4 | * |
5 | * Framework for checking consistency of keys |
6 | * |
7 | * (c) 2001 Straylight/Edgeware |
8 | */ |
9 | |
10 | /*----- Licensing notice --------------------------------------------------* |
11 | * |
12 | * This file is part of Catacomb. |
13 | * |
14 | * Catacomb is free software; you can redistribute it and/or modify |
15 | * it under the terms of the GNU Library General Public License as |
16 | * published by the Free Software Foundation; either version 2 of the |
17 | * License, or (at your option) any later version. |
18 | * |
19 | * Catacomb 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 Library General Public License for more details. |
23 | * |
24 | * You should have received a copy of the GNU Library General Public |
25 | * License along with Catacomb; if not, write to the Free |
26 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
27 | * MA 02111-1307, USA. |
28 | */ |
29 | |
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30 | /*----- Header files ------------------------------------------------------*/ |
31 | |
32 | #include <stdarg.h> |
33 | |
34 | #include <mLib/dstr.h> |
35 | |
36 | #include "keycheck.h" |
37 | |
38 | /*----- Main code ---------------------------------------------------------*/ |
39 | |
40 | /* --- @keycheck_report@ --- * |
41 | * |
42 | * Arguments: @keycheck *kc@ = keycheck state |
43 | * @unsigned sev@ = severity of this report |
44 | * @const char *msg@ = message to send along |
45 | * @...@ = things to fill the message in with |
46 | * |
47 | * Returns: Zero to continue, or nonzero to stop and give up. |
48 | * |
49 | * Use: Reports a message to the user function. |
50 | */ |
51 | |
52 | int keycheck_report(keycheck *kc, unsigned sev, const char *msg, ...) |
53 | { |
54 | int rc; |
55 | va_list ap; |
56 | dstr d = DSTR_INIT; |
57 | |
58 | kc->sev[sev]++; |
59 | va_start(ap, msg); |
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60 | dstr_vputf(&d, msg, &ap); |
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61 | va_end(ap); |
62 | rc = kc->func ? kc->func(sev, d.buf, kc->p) : 0; |
63 | dstr_destroy(&d); |
64 | return (rc); |
65 | } |
66 | |
67 | /* --- @keycheck_init@ --- * |
68 | * |
69 | * Arguments: @keycheck *kc@ = pointer to block to initialize |
70 | * @int (*func)(unsigned sev, const char *msg, void *p)@ = |
71 | * handler function for problems |
72 | * @void *p@ = pointer to give to handler |
73 | * |
74 | * Returns: --- |
75 | * |
76 | * Use: Initializes a key checking context. |
77 | */ |
78 | |
79 | void keycheck_init(keycheck *kc, |
80 | int (*func)(unsigned /*sev*/, |
81 | const char */*msg*/, |
82 | void */*p*/), |
83 | void *p) |
84 | { |
85 | unsigned i; |
86 | kc->func = func; |
87 | kc->p = p; |
88 | for (i = 0; i < KCSEV_MAX; i++) |
89 | kc->sev[i] = 0; |
90 | } |
91 | |
92 | /* --- @keycheck_allclear@ --- * |
93 | * |
94 | * Arguments: @keycheck *kc@ = pointer to keycheck context |
95 | * @unsigned sev@ = minimum severity to care about |
96 | * |
97 | * Returns: Nonzero if no problems of @sev@ or above were noticed. |
98 | */ |
99 | |
100 | int keycheck_allclear(keycheck *kc, unsigned sev) |
101 | { |
102 | while (sev < KCSEV_MAX) { |
103 | if (kc->sev[sev]) |
104 | return (0); |
105 | sev++; |
106 | } |
107 | return (1); |
108 | } |
109 | |
110 | /*----- That's all, folks -------------------------------------------------*/ |