Function get_next_char

config.c:799–833

}

static int get_next_char(struct config_source *cs)
{
	int c = cs->do_fgetc(cs);

	if (c == '\r') {
		/* DOS like systems */
		c = cs->do_fgetc(cs);
		if (c != '\n') {
			if (c != EOF)
				cs->do_ungetc(c, cs);
			c = '\r';
		}
	}

	if (c != EOF && ++cs->total_len > INT_MAX) {
		/*
		 * This is an absurdly long config file; refuse to parse
		 * further in order to protect downstream code from integer
		 * overflows. Note that we can't return an error specifically,
		 * but we can mark EOF and put trash in the return value,
		 * which will trigger a parse error.
		 */
		cs->eof = 1;
		return 0;
	}

	if (c == '\n')
		cs->linenr++;
	if (c == EOF) {
		cs->eof = 1;
		cs->linenr++;
		c = '\n';
	}
	return c;
}

static char *parse_value(struct config_source *cs)
{