Annotation of libaitcfg/src/aitcfg.c, revision 1.3.4.1
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 $
1.3.4.1 ! misho 6: * $Id: aitcfg.c,v 1.3 2009/10/19 15:00:10 misho Exp $
1.2 misho 7: *
1.3.4.1 ! 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:
! 15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
! 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:
52: int cfgErrno;
53: char cfgError[MAX_STR + 1];
54:
55: #pragma GCC visibility pop
56:
57:
58: /*
59: * InitConfig() Head initializing function for config
60: * @cfg = New head element for init
61: * return: 0 ok; -1 error:: new head element is null
62: */
63: inline int InitConfig(sl_config * __restrict cfg)
64: {
65: if (!cfg)
66: return -1;
67:
1.2 misho 68: cfg->slh_first = NULL;
69: return 0;
1.1 misho 70: }
71:
72: /*
73: * LoadConfig() Load config from file
74: * @csConfigName = Filename of config
75: * @cfg = Head list element
76: * return: 0 ok; -1 error:: can`t load config
77: */
78: int LoadConfig(const char *csConfigName, sl_config * __restrict cfg)
79: {
80: FILE *f;
81: int ret;
82:
83: if (!csConfigName || !cfg)
84: return -1;
85:
86: InitConfig(cfg);
87: if (access(csConfigName, R_OK)) {
88: LOGERR;
89: return -1;
90: }
91:
92: f = fopen(csConfigName, "rt");
93: if (!f) {
94: LOGERR;
95: return -1;
96: }
97:
98: ret ^= ret;
99: ret = ReadConfig(f, cfg);
100:
101: fclose(f);
102: return ret;
103: }
104:
105: /*
106: * UnloadConfig() Unload config from memory and free resources
107: * @cfg = Head list element
108: */
109: void UnloadConfig(sl_config * __restrict cfg)
110: {
111: struct tagPair *av;
112:
113: if (!cfg->slh_first)
114: return;
115:
1.2 misho 116: while ((av = cfg->slh_first)) {
1.1 misho 117: cfg->slh_first = cfg->slh_first->sle_next;
118:
119: if (av->psValue)
120: free(av->psValue);
121: if (av->psAttribute)
122: free(av->psAttribute);
123: if (av->psSection)
124: free(av->psSection);
125: free(av);
126: }
127: }
128:
129: /*
130: * CreateConfig() Create config file from memory
131: * @csConfigName = New config filename
132: * @cfg = Head list element
133: * return: 0 ok; -1 error:: can`t save new config
134: */
135: int CreateConfig(const char *csConfigName, sl_config * __restrict cfg)
136: {
137: FILE *f;
138: int ret;
139:
140: if (!csConfigName || !cfg)
141: return -1;
142:
143: f = fopen(csConfigName, "wt");
144: if (!f) {
145: LOGERR;
146: return -1;
147: }
148:
149: ret ^= ret;
150: ret = WriteConfig(f, cfg);
151:
152: fclose(f);
153: return ret;
154: }
155:
1.3 misho 156: /*
157: * cfg_CreateConfig() Create config file from memory without whitespaces!
158: * @csConfigName = New config filename
159: * @cfg = Head list element
160: * return: 0 ok; -1 error:: can`t save new config
161: */
162: int cfg_CreateConfig(const char *csConfigName, sl_config * __restrict cfg)
163: {
164: FILE *f;
165: int ret;
166:
167: if (!csConfigName || !cfg)
168: return -1;
169:
170: f = fopen(csConfigName, "wt");
171: if (!f) {
172: LOGERR;
173: return -1;
174: }
175:
176: ret ^= ret;
177: ret = cfg_WriteConfig(f, cfg);
178:
179: fclose(f);
180: return ret;
181: }
182:
1.1 misho 183: // -----------------------------------------------------------
184:
185: //
186: // Error maintenance functions ...
187: //
188:
189: // cfg_GetErrno() Get error code of last operation
190: inline int cfg_GetErrno()
191: {
192: return cfgErrno;
193: }
194:
195: // cfg_GetError() Get error text of last operation
196: inline const char *cfg_GetError()
197: {
198: return cfgError;
199: }
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