Annotation of libaitcfg/src/aitcfg.c, revision 1.4.4.2
1.2 misho 1: /*************************************************************************
2: * (C) 2008 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
3: * by Michael Pounov <misho@openbsd-bg.org>
4: *
5: * $Author: misho $
1.4.4.2 ! misho 6: * $Id: aitcfg.c,v 1.4.4.1 2012/04/02 14:39:02 misho Exp $
1.2 misho 7: *
1.4 misho 8: **************************************************************************
9: The ELWIX and AITNET software is distributed under the following
10: terms:
11:
12: All of the documentation and software included in the ELWIX and AITNET
13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
14:
1.4.4.1 misho 15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
1.4 misho 16: by Michael Pounov <misho@elwix.org>. All rights reserved.
17:
18: Redistribution and use in source and binary forms, with or without
19: modification, are permitted provided that the following conditions
20: are met:
21: 1. Redistributions of source code must retain the above copyright
22: notice, this list of conditions and the following disclaimer.
23: 2. Redistributions in binary form must reproduce the above copyright
24: notice, this list of conditions and the following disclaimer in the
25: documentation and/or other materials provided with the distribution.
26: 3. All advertising materials mentioning features or use of this software
27: must display the following acknowledgement:
28: This product includes software developed by Michael Pounov <misho@elwix.org>
29: ELWIX - Embedded LightWeight unIX and its contributors.
30: 4. Neither the name of AITNET nor the names of its contributors
31: may be used to endorse or promote products derived from this software
32: without specific prior written permission.
33:
34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
37: ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44: SUCH DAMAGE.
45: */
1.1 misho 46: #include "global.h"
47: #include "aitcfg.h"
48:
49:
50: #pragma GCC visibility push(hidden)
51:
1.4.4.1 misho 52: int cfg_Errno;
53: char cfg_Error[STRSIZ];
54:
55: inline int
56: cfg_tree_cmp(struct tagCfg *a, struct tagCfg *b)
57: {
58: int ret;
59:
60: assert(a && b);
61:
62: ret = ((AIT_KEY(&a->cfg_sec) << 16) | AIT_KEY(&a->cfg_attr)) -
63: ((AIT_KEY(&b->cfg_sec) << 16) | AIT_KEY(&b->cfg_attr));
64:
65: if (ret < 0)
66: return -1;
67: else if (ret > 0)
68: return 1;
69:
70: return ret;
71: }
72:
73: RB_GENERATE(tagRC, tagCfg, cfg_node, cfg_tree_cmp);
1.1 misho 74:
75: #pragma GCC visibility pop
76:
77:
1.4.4.1 misho 78: // cfg_GetErrno() Get error code of last operation
79: inline int
80: cfg_GetErrno()
1.1 misho 81: {
1.4.4.1 misho 82: return cfg_Errno;
83: }
84:
85: // cfg_GetError() Get error text of last operation
86: inline const char *
87: cfg_GetError()
88: {
89: return cfg_Error;
90: }
1.1 misho 91:
1.4.4.1 misho 92: // cfg_SetErr() Set error to variables for internal use!!!
93: inline void
94: cfg_SetErr(int eno, char *estr, ...)
95: {
96: va_list lst;
97:
98: cfg_Errno = eno;
99: memset(cfg_Error, 0, sizeof cfg_Error);
100: va_start(lst, estr);
101: vsnprintf(cfg_Error, sizeof cfg_Error, estr, lst);
102: va_end(lst);
1.1 misho 103: }
104:
1.4.4.1 misho 105:
1.1 misho 106: /*
1.4.4.2 ! misho 107: * cfgInitConfig() - Init config root
! 108: *
! 109: * @cfg = Config root
! 110: * return: -1 error or 0 ok
! 111: */
! 112: int
! 113: cfgInitConfig(cfg_root_t * __restrict cfg)
! 114: {
! 115: if (!cfg)
! 116: return -1;
! 117:
! 118: #ifdef HAVE_LIBPTHREAD
! 119: pthread_mutex_init(&cfg->rc_mtx, NULL);
! 120: #endif
! 121: SLIST_INIT(cfg);
! 122: RB_INIT(cfg);
! 123: return 0;
! 124: }
! 125:
! 126: /*
1.4.4.1 misho 127: * cfgLoadConfig() - Load config from file
128: *
129: * @cfgName = Config filename
130: * @cfg = Config root
131: * return: -1 error or 0 ok
132: */
133: int
134: cfgLoadConfig(const char *cfgName, cfg_root_t * __restrict cfg)
1.1 misho 135: {
136: FILE *f;
137: int ret;
138:
1.4.4.1 misho 139: if (!cfgName || !cfg) {
140: cfg_SetErr(EINVAL, "Invalid parameter(s)");
1.1 misho 141: return -1;
1.4.4.2 ! misho 142: } else
! 143: cfgInitConfig(cfg);
1.1 misho 144:
1.4.4.1 misho 145: f = fopen(cfgName, "r");
1.1 misho 146: if (!f) {
147: LOGERR;
148: return -1;
149: }
1.4.4.1 misho 150:
151: ret = cfgReadConfig(f, cfg);
1.1 misho 152:
153: fclose(f);
154: return ret;
155: }
156:
157: /*
1.4.4.1 misho 158: * cfgUnloadConfig() - Unload config from memory and free resources
159: *
160: * @cfg = Config root
161: * return: none
162: */
163: void
164: cfgUnloadConfig(cfg_root_t * __restrict cfg)
1.1 misho 165: {
1.4.4.1 misho 166: struct tagCfg *av;
1.1 misho 167:
1.4.4.1 misho 168: if (!cfg)
1.1 misho 169: return;
170:
1.4.4.1 misho 171: CFG_RC_LOCK(cfg);
172: while ((av = SLIST_FIRST(cfg))) {
173: SLIST_REMOVE_HEAD(cfg, cfg_next);
174:
175: AIT_FREE_VAL(&av->cfg_val);
176: AIT_FREE_VAL(&av->cfg_attr);
177: AIT_FREE_VAL(&av->cfg_sec);
1.1 misho 178: free(av);
179: }
1.4.4.1 misho 180: cfg->rbh_root = NULL;
181: CFG_RC_UNLOCK(cfg);
182:
183: #ifdef HAVE_LIBPTHREAD
184: pthread_mutex_destroy(&cfg->rc_mtx);
185: #endif
1.1 misho 186: }
187:
1.4.4.1 misho 188: #if 0
1.1 misho 189: /*
190: * CreateConfig() Create config file from memory
191: * @csConfigName = New config filename
192: * @cfg = Head list element
193: * return: 0 ok; -1 error:: can`t save new config
194: */
195: int CreateConfig(const char *csConfigName, sl_config * __restrict cfg)
196: {
197: FILE *f;
198: int ret;
199:
200: if (!csConfigName || !cfg)
201: return -1;
202:
203: f = fopen(csConfigName, "wt");
204: if (!f) {
205: LOGERR;
206: return -1;
207: }
208:
209: ret ^= ret;
210: ret = WriteConfig(f, cfg);
211:
212: fclose(f);
213: return ret;
214: }
215:
1.3 misho 216: /*
217: * cfg_CreateConfig() Create config file from memory without whitespaces!
218: * @csConfigName = New config filename
219: * @cfg = Head list element
220: * return: 0 ok; -1 error:: can`t save new config
221: */
222: int cfg_CreateConfig(const char *csConfigName, sl_config * __restrict cfg)
223: {
224: FILE *f;
225: int ret;
226:
227: if (!csConfigName || !cfg)
228: return -1;
229:
230: f = fopen(csConfigName, "wt");
231: if (!f) {
232: LOGERR;
233: return -1;
234: }
235:
236: ret ^= ret;
237: ret = cfg_WriteConfig(f, cfg);
238:
239: fclose(f);
240: return ret;
241: }
1.4.4.1 misho 242: #endif
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