static int
parse_property(const char *line, struct block *block)
{
char *equal = strchr(line, '=');
const char *property, *value;
if (!equal) {
berror(block, "malformated property, should be of the form 'key=value'");
return 1;
}
/* split property and value */
*equal = '\0';
property = line;
value = equal + 1;
#define PARSE(_name, _size, _type) \
if (strcmp(property, #_name) == 0) { \
strncpy(block->_name, value, _size - 1); \
goto parsed; \
} \
#define PARSE_NUM(_name) \
if (strcmp(property, #_name) == 0) { \
block->_name = atoi(value); \
goto parsed; \
} \
PROTOCOL_KEYS(PARSE);
PARSE(command, sizeof(block->command), _);
PARSE_NUM(interval);
PARSE_NUM(signal);
/* TODO some better check for numbers and boolean */
#undef PARSE_NUM
#undef PARSE
berror(block, "unknown property: \"%s\"", property);
return 1;
parsed:
bdebug(block, "set property %s to \"%s\"", property, value);
return 0;
}
int kvsscanf(const char *buffer, const char *format, va_list args)
{
const char *buf = buffer;
int count = 0;
while (*format)
{
if (kisspace(*format))
{
while (kisspace(*buf))
buf++;
}
else if (*format == '%')
{
format++;
switch (*format++)
{
case '%':
{
if (*buffer++ != '%')
return count;
}
case 'n':
{
int *out = va_arg(args, int *);
*out = buf - buffer;
}
case 'd':
{
int32_t *out = va_arg(args, int32_t *);
PARSE_NUM(buf, out, int32_t, uint32_t);
}
case 'u':
{
uint32_t *out = va_arg(args, uint32_t *);
PARSE_NUM(buf, out, uint32_t, uint32_t);
}
}
}
else
{
if (*buffer++ != *format++)
