Function attr_name_valid

attr.c:199–216

}

static int attr_name_valid(const char *name, size_t namelen)
{
	/*
	 * Attribute name cannot begin with '-' and must consist of
	 * characters from [-A-Za-z0-9_.].
	 */
	if (namelen <= 0 || *name == '-')
		return 0;
	while (namelen--) {
		char ch = *name++;
		if (! (ch == '-' || ch == '.' || ch == '_' ||
		       ('0' <= ch && ch <= '9') ||
		       ('a' <= ch && ch <= 'z') ||
		       ('A' <= ch && ch <= 'Z')) )
			return 0;
	}
	return 1;
}

static void report_invalid_attr(const char *name, size_t len,
				const char *src, int lineno)