src/utils/common.c

166  * @len: Length of the text to convert in bytes (of buf); hex will be double
170 int hexstr2bin(const char *hex, u8 *buf, size_t len)
177 	for (i = 0; i < len; i++) {
188 int hwaddr_mask_txt(char *buf, size_t len, const u8 *addr, const u8 *mask)
202 		res = os_snprintf(buf, len, MACSTR "/" MACSTR,
205 		res = os_snprintf(buf, len, MACSTR, MAC2STR(addr));
206 	if (os_snprintf_error(len, res))
215  * @len: Length of the counter in bytes
221 void inc_byte_array(u8 *counter, size_t len)
223 	int pos = len - 1;
282 int wpa_snprintf_hex_sep(char *buf, size_t buf_size, const u8 *data, size_t len,
292 	for (i = 0; i < len; i++) {
307 				    size_t len, int uppercase)
314 	for (i = 0; i < len; i++) {
330  * @buf_size: Maximum buffer size in bytes (should be at least 2 * len + 1)
332  * @len: Length of data in bytes
335 int wpa_snprintf_hex(char *buf, size_t buf_size, const u8 *data, size_t len)
337 	return _wpa_snprintf_hex(buf, buf_size, data, len, 0);
344  * @buf_size: Maximum buffer size in bytes (should be at least 2 * len + 1)
346  * @len: Length of data in bytes
350 			       size_t len)
352 	return _wpa_snprintf_hex(buf, buf_size, data, len, 1);
466 void printf_encode(char *txt, size_t maxlen, const u8 *data, size_t len)
471 	for (i = 0; i < len; i++) {
518 	size_t len = 0;
522 		if (len + 1 >= maxlen)
529 				buf[len++] = '\\';
533 				buf[len++] = '"';
537 				buf[len++] = '\n';
541 				buf[len++] = '\r';
545 				buf[len++] = '\t';
549 				buf[len++] = '\033';
559 					buf[len++] = val;
562 					buf[len++] = val;
579 				buf[len++] = val;
586 			buf[len++] = *pos++;
590 	if (maxlen > len)
591 		buf[len] = '\0';
593 	return len;
631 char * wpa_config_parse_string(const char *value, size_t *len)
640 		*len = pos - value;
641 		str = dup_binstr(value, *len);
664 		*len = printf_decode((u8 *) str, tlen + 1, tstr);
682 		*len = tlen;
688 int is_hex(const u8 *data, size_t len)
692 	for (i = 0; i < len; i++) {
704 	size_t len = 0;
715 		len += src1_len;
719 		if (len + src2_len >= res_len) {
720 			os_memcpy(res + len, src2, res_len - len);
724 		os_memcpy(res + len, src2, src2_len);
725 		len += src2_len;
728 	return len;
732 char * dup_binstr(const void *src, size_t len)
738 	res = os_malloc(len + 1);
741 	os_memcpy(res, src, len);
742 	res[len] = '\0';
939 		size_t len = os_strlen(str);
940 		os_memset(str, 0, len);
946 void bin_clear_free(void *bin, size_t len)
949 		os_memset(bin, 0, len);