Add SPDX license identifiers to source files under the LGPL

[thirdparty/systemd.git] / src / libsystemd-network / dhcp-option.c

diff --git a/src/libsystemd-network/dhcp-option.c b/src/libsystemd-network/dhcp-option.c
index df1996c8ce442c2e1d7ce7b5c56929d2f784e138..19fc525866b213f8cf4b8c04522c646caa1eb06c 100644 (file)
--- a/src/libsystemd-network/dhcp-option.c
+++ b/src/libsystemd-network/dhcp-option.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
 /***
   This file is part of systemd.
 
@@ -34,7 +35,7 @@ static int option_append(uint8_t options[], size_t size, size_t *offset,
 
         if (code != SD_DHCP_OPTION_END)
                 /* always make sure there is space for an END option */
-                size --;
+                size--;
 
         switch (code) {
 
@@ -54,12 +55,7 @@ static int option_append(uint8_t options[], size_t size, size_t *offset,
                 options[*offset] = code;
                 options[*offset + 1] = optlen;
 
-                if (optlen) {
-                        assert(optval);
-
-                        memcpy(&options[*offset + 2], optval, optlen);
-                }
-
+                memcpy_safe(&options[*offset + 2], optval, optlen);
                 *offset += optlen + 2;
 
                 break;
@@ -140,7 +136,7 @@ int dhcp_option_append(DHCPMessage *message, size_t size, size_t *offset,
 }
 
 static int parse_options(const uint8_t options[], size_t buflen, uint8_t *overload,
-                         uint8_t *message_type, char **error_message, dhcp_option_cb_t cb,
+                         uint8_t *message_type, char **error_message, dhcp_option_callback_t cb,
                          void *userdata) {
         uint8_t code, len;
         const uint8_t *option;
@@ -226,7 +222,7 @@ static int parse_options(const uint8_t options[], size_t buflen, uint8_t *overlo
         return 0;
 }
 
-int dhcp_option_parse(DHCPMessage *message, size_t len, dhcp_option_cb_t cb, void *userdata, char **_error_message) {
+int dhcp_option_parse(DHCPMessage *message, size_t len, dhcp_option_callback_t cb, void *userdata, char **_error_message) {
         _cleanup_free_ char *error_message = NULL;
         uint8_t overload = 0;
         uint8_t message_type = 0;