Annotation of libaitcfg/src/aitcfg.c, revision 1.4.4.1
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 $
1.4.4.1 ! misho 6: * $Id: aitcfg.c,v 1.4 2011/05/01 17:24:28 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: /*
1.4.4.1 ! misho 107: * cfgLoadConfig() - Load config from file
! 108: *
! 109: * @cfgName = Config filename
! 110: * @cfg = Config root
! 111: * return: -1 error or 0 ok
! 112: */
! 113: int
! 114: cfgLoadConfig(const char *cfgName, cfg_root_t * __restrict cfg)
1.1 misho 115: {
116: FILE *f;
117: int ret;
118:
1.4.4.1 ! misho 119: if (!cfgName || !cfg) {
! 120: cfg_SetErr(EINVAL, "Invalid parameter(s)");
1.1 misho 121: return -1;
1.4.4.1 ! misho 122: } else {
! 123: #ifdef HAVE_LIBPTHREAD
! 124: pthread_mutex_init(&cfg->rc_mtx, NULL);
! 125: #endif
! 126: SLIST_INIT(cfg);
! 127: RB_INIT(cfg);
1.1 misho 128: }
129:
1.4.4.1 ! misho 130: f = fopen(cfgName, "r");
1.1 misho 131: if (!f) {
132: LOGERR;
133: return -1;
134: }
1.4.4.1 ! misho 135:
! 136: ret = cfgReadConfig(f, cfg);
1.1 misho 137:
138: fclose(f);
139: return ret;
140: }
141:
142: /*
1.4.4.1 ! misho 143: * cfgUnloadConfig() - Unload config from memory and free resources
! 144: *
! 145: * @cfg = Config root
! 146: * return: none
! 147: */
! 148: void
! 149: cfgUnloadConfig(cfg_root_t * __restrict cfg)
1.1 misho 150: {
1.4.4.1 ! misho 151: struct tagCfg *av;
1.1 misho 152:
1.4.4.1 ! misho 153: if (!cfg)
1.1 misho 154: return;
155:
1.4.4.1 ! misho 156: CFG_RC_LOCK(cfg);
! 157: while ((av = SLIST_FIRST(cfg))) {
! 158: SLIST_REMOVE_HEAD(cfg, cfg_next);
! 159:
! 160: AIT_FREE_VAL(&av->cfg_val);
! 161: AIT_FREE_VAL(&av->cfg_attr);
! 162: AIT_FREE_VAL(&av->cfg_sec);
1.1 misho 163: free(av);
164: }
1.4.4.1 ! misho 165: cfg->rbh_root = NULL;
! 166: CFG_RC_UNLOCK(cfg);
! 167:
! 168: #ifdef HAVE_LIBPTHREAD
! 169: pthread_mutex_destroy(&cfg->rc_mtx);
! 170: #endif
1.1 misho 171: }
172:
1.4.4.1 ! misho 173: #if 0
1.1 misho 174: /*
175: * CreateConfig() Create config file from memory
176: * @csConfigName = New config filename
177: * @cfg = Head list element
178: * return: 0 ok; -1 error:: can`t save new config
179: */
180: int CreateConfig(const char *csConfigName, sl_config * __restrict cfg)
181: {
182: FILE *f;
183: int ret;
184:
185: if (!csConfigName || !cfg)
186: return -1;
187:
188: f = fopen(csConfigName, "wt");
189: if (!f) {
190: LOGERR;
191: return -1;
192: }
193:
194: ret ^= ret;
195: ret = WriteConfig(f, cfg);
196:
197: fclose(f);
198: return ret;
199: }
200:
1.3 misho 201: /*
202: * cfg_CreateConfig() Create config file from memory without whitespaces!
203: * @csConfigName = New config filename
204: * @cfg = Head list element
205: * return: 0 ok; -1 error:: can`t save new config
206: */
207: int cfg_CreateConfig(const char *csConfigName, sl_config * __restrict cfg)
208: {
209: FILE *f;
210: int ret;
211:
212: if (!csConfigName || !cfg)
213: return -1;
214:
215: f = fopen(csConfigName, "wt");
216: if (!f) {
217: LOGERR;
218: return -1;
219: }
220:
221: ret ^= ret;
222: ret = cfg_WriteConfig(f, cfg);
223:
224: fclose(f);
225: return ret;
226: }
1.4.4.1 ! misho 227: #endif
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