mirror of https://gerrit.osmocom.org/libosmocore
124 lines
2.8 KiB
C
124 lines
2.8 KiB
C
/*
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* Parse a simple file with messages, e.g used for USSD messages
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*
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* (C) 2010 by Holger Hans Peter Freyther
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* (C) 2010 by On-Waves
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* All Rights Reserved
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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 2 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#include <osmocom/core/msgfile.h>
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#include <osmocom/core/talloc.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <string.h>
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static struct osmo_config_entry *
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alloc_entry(struct osmo_config_list *entries,
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const char *mcc, const char *mnc,
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const char *option, const char *text)
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{
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struct osmo_config_entry *entry =
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talloc_zero(entries, struct osmo_config_entry);
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if (!entry)
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return NULL;
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entry->mcc = talloc_strdup(entry, mcc);
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entry->mnc = talloc_strdup(entry, mnc);
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entry->option = talloc_strdup(entry, option);
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entry->text = talloc_strdup(entry, text);
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llist_add_tail(&entry->list, &entries->entry);
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return entry;
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}
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static struct osmo_config_list *alloc_entries(void *ctx)
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{
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struct osmo_config_list *entries;
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entries = talloc_zero(ctx, struct osmo_config_list);
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if (!entries)
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return NULL;
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INIT_LLIST_HEAD(&entries->entry);
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return entries;
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}
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/*
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* split a line like 'foo:Text'.
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*/
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static void handle_line(struct osmo_config_list *entries, char *line)
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{
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int i;
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const int len = strlen(line);
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char *items[3];
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int last_item = 0;
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/* Skip comments from the file */
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if (line[0] == '#')
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return;
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for (i = 0; i < len; ++i) {
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if (line[i] == '\n' || line[i] == '\r')
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line[i] = '\0';
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else if (line[i] == ':' && last_item < 3) {
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line[i] = '\0';
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items[last_item++] = &line[i + 1];
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}
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}
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if (last_item == 3) {
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alloc_entry(entries, &line[0] , items[0], items[1], items[2]);
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return;
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}
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/* nothing found */
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}
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struct osmo_config_list *osmo_config_list_parse(void *ctx, const char *filename)
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{
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struct osmo_config_list *entries;
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size_t n;
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char *line;
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FILE *file;
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file = fopen(filename, "r");
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if (!file)
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return NULL;
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entries = alloc_entries(ctx);
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if (!entries) {
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fclose(file);
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return NULL;
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}
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n = 2342;
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line = NULL;
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while (getline(&line, &n, file) != -1) {
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handle_line(entries, line);
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free(line);
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line = NULL;
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}
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fclose(file);
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return entries;
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}
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