static void
conf_parse_file(const char *filename,
void (*conf_keyvalue)(void *data, const char *key, const char *value),
void *data)
{
FILE *f = fopen(filename, "r");
if (!f) {
log_put(LOG_GROUP, LOG_CATEGORY, NFC_LOG_PRIORITY_INFO, "Unable to open file: %s", filename);
return;
}
char line[BUFSIZ];
int lineno = 0;
while (fgets(line, BUFSIZ, f) != NULL) {
lineno++;
switch (line[0]) {
case '#':
case '\n':
break;
default: {
char *key;
char *value;
if (parse_line(line, &key, &value) == 0) {
conf_keyvalue(data, key, value);
free(key);
free(value);
} else {
log_put(LOG_GROUP, LOG_CATEGORY, NFC_LOG_PRIORITY_DEBUG, "Parse error on line #%d: %s", lineno, line);
}
}
}
}
fclose(f);
return;
}
static bool
conf_parse_file(const char *filename, void (*conf_keyvalue)(void *data, const char *key, const char *value), void *data)
{
FILE *f = fopen(filename, "r");
if (!f) {
log_put(LOG_GROUP, LOG_CATEGORY, NFC_LOG_PRIORITY_INFO, "Unable to open file: %s", filename);
return false;
}
char line[BUFSIZ];
const char *str_regex = "^[[:space:]]*([[:alnum:]_.]+)[[:space:]]*=[[:space:]]*(\"(.+)\"|([^[:space:]]+))[[:space:]]*$";
regex_t preg;
if (regcomp(&preg, str_regex, REG_EXTENDED | REG_NOTEOL) != 0) {
log_put(LOG_GROUP, LOG_CATEGORY, NFC_LOG_PRIORITY_ERROR, "%s", "Regular expression used for configuration file parsing is not valid.");
fclose(f);
return false;
}
size_t nmatch = preg.re_nsub + 1;
regmatch_t *pmatch = malloc(sizeof(*pmatch) * nmatch);
if (!pmatch) {
log_put(LOG_GROUP, LOG_CATEGORY, NFC_LOG_PRIORITY_ERROR, "%s", "Not enough memory: malloc failed.");
regfree(&preg);
fclose(f);
return false;
}
int lineno = 0;
while (fgets(line, BUFSIZ, f) != NULL) {
lineno++;
switch (line[0]) {
case '#':
case '\n':
break;
default: {
int match;
if ((match = regexec(&preg, line, nmatch, pmatch, 0)) == 0) {
const size_t key_size = pmatch[1].rm_eo - pmatch[1].rm_so;
const off_t value_pmatch = pmatch[3].rm_eo != -1 ? 3 : 4;
const size_t value_size = pmatch[value_pmatch].rm_eo - pmatch[value_pmatch].rm_so;
char key[key_size + 1];
char value[value_size + 1];
strncpy(key, line + (pmatch[1].rm_so), key_size);
key[key_size] = '\0';
strncpy(value, line + (pmatch[value_pmatch].rm_so), value_size);
value[value_size] = '\0';
conf_keyvalue(data, key, value);
} else {
log_put(LOG_GROUP, LOG_CATEGORY, NFC_LOG_PRIORITY_DEBUG, "Parse error on line #%d: %s", lineno, line);
}
}
break;
}
}
free(pmatch);
regfree(&preg);
fclose(f);
return false;
}
