150 lines
3.2 KiB
C
150 lines
3.2 KiB
C
/*
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* uhub - A tiny ADC p2p connection hub
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* Copyright (C) 2007-2010, Jan Vidar Krey
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "uhub.h"
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#ifndef INT_MAX
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#define INT_MAX 0x7fffffff
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#endif
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#ifndef INT_MIN
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#define INT_MIN (-0x7fffffff - 1)
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#endif
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static int apply_boolean(const char* key, const char* data, int* target)
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{
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if (strlen(data) == 1 && (data[0] == '1')) *target = 1;
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else if (strlen(data) == 1 && (data[0] == '0')) *target = 0;
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else if (strncasecmp(data, "true", 4) == 0) *target = 1;
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else if (strncasecmp(data, "false", 5) == 0) *target = 0;
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else if (strncasecmp(data, "yes", 3) == 0) *target = 1;
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else if (strncasecmp(data, "no", 2) == 0) *target = 0;
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else if (strncasecmp(data, "on", 2) == 0) *target = 1;
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else if (strncasecmp(data, "off", 3) == 0) *target = 0;
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else
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return 0;
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return 1;
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}
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static int apply_string(const char* key, const char* data, char** target, char* regexp)
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{
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(void) regexp;
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// FIXME: Add regexp checks for correct data
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if (*target)
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hub_free(*target);
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*target = hub_strdup(data);
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return 1;
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}
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static int apply_integer(const char* key, const char* data, int* target, int* min, int* max)
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{
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char* endptr;
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int val;
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errno = 0;
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val = strtol(data, &endptr, 10);
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if (((errno == ERANGE && (val == INT_MAX || val == INT_MIN)) || (errno != 0 && val == 0)) || endptr == data)
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return 0;
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if (min && val < *min)
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return 0;
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if (max && val > *max)
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return 0;
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*target = val;
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return 1;
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}
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#include "gen_config.c"
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static int config_parse_line(char* line, int line_count, void* ptr_data)
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{
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char* pos;
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char* key;
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char* data;
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struct hub_config* config = (struct hub_config*) ptr_data;
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strip_off_ini_line_comments(line, line_count);
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if (!*line) return 0;
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LOG_DUMP("config_parse_line(): '%s'", line);
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if (!is_valid_utf8(line))
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{
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LOG_WARN("Invalid utf-8 characters on line %d", line_count);
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}
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if ((pos = strchr(line, '=')) != NULL)
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{
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pos[0] = 0;
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}
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else
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{
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return 0;
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}
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key = line;
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data = &pos[1];
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key = strip_white_space(key);
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data = strip_white_space(data);
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if (!*key || !*data)
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{
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LOG_FATAL("Configuration parse error on line %d", line_count);
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return -1;
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}
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LOG_DUMP("config_parse_line: '%s' => '%s'", key, data);
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return apply_config(config, key, data, line_count);
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}
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int read_config(const char* file, struct hub_config* config, int allow_missing)
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{
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int ret;
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memset(config, 0, sizeof(struct hub_config));
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config_defaults(config);
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ret = file_read_lines(file, config, &config_parse_line);
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if (ret < 0)
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{
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if (allow_missing && ret == -2)
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{
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LOG_DUMP("Using default configuration.");
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}
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else
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{
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return -1;
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}
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}
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return 0;
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}
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