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/*
* Parse a simple file with messages, e.g used for USSD messages
*
* (C) 2010 by Holger Hans Peter Freyther
* (C) 2010 by On-Waves
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <osmocom/core/msgfile.h>
#include <osmocom/core/talloc.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
static struct msg_entry *alloc_entry(struct msg_entries *entries,
const char *mcc, const char *mnc,
const char *option, const char *text)
{
struct msg_entry *entry = talloc_zero(entries, struct msg_entry);
if (!entry)
return NULL;
entry->mcc = talloc_strdup(entry, mcc);
entry->mnc = talloc_strdup(entry, mnc);
entry->option = talloc_strdup(entry, option);
entry->text = talloc_strdup(entry, text);
llist_add_tail(&entry->list, &entries->entry);
return entry;
}
static struct msg_entries *alloc_entries(void *ctx)
{
struct msg_entries *entries;
entries = talloc_zero(ctx, struct msg_entries);
if (!entries)
return NULL;
INIT_LLIST_HEAD(&entries->entry);
return entries;
}
/*
* split a line like 'foo:Text'.
*/
static void handle_line(struct msg_entries *entries, char *line)
{
int i;
const int len = strlen(line);
char *items[3];
int last_item = 0;
/* Skip comments from the file */
if (line[0] == '#')
return;
for (i = 0; i < len; ++i) {
if (line[i] == '\n' || line[i] == '\r')
line[i] = '\0';
else if (line[i] == ':' && last_item < 3) {
line[i] = '\0';
items[last_item++] = &line[i + 1];
}
}
if (last_item == 3) {
alloc_entry(entries, &line[0] , items[0], items[1], items[2]);
return;
}
/* nothing found */
}
struct msg_entries *msg_entry_parse(void *ctx, const char *filename)
{
struct msg_entries *entries;
size_t n;
char *line;
FILE *file;
file = fopen(filename, "r");
if (!file)
return NULL;
entries = alloc_entries(ctx);
if (!entries) {
fclose(file);
return NULL;
}
n = 2342;
line = NULL;
while (getline(&line, &n, file) != -1) {
handle_line(entries, line);
free(line);
line = NULL;
}
fclose(file);
return entries;
}
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