udhcp: merge options.h into common.h, script.c into dhcpc.c
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/networking/udhcp/options.c b/networking/udhcp/options.c
index 29a2640..b4d2d2d 100644
--- a/networking/udhcp/options.c
+++ b/networking/udhcp/options.c
@@ -7,8 +7,6 @@
*/
#include "common.h"
-#include "dhcpd.h"
-#include "options.h"
/* Supported options are easily added here.
@@ -111,7 +109,6 @@
"wpad" "\0" /* DHCP_WPAD */
;
-
/* Lengths of the different option types */
const uint8_t dhcp_option_lengths[] ALIGN1 = {
[OPTION_IP] = 4,
@@ -144,9 +141,8 @@
# define log_option(pfx, opt) ((void)0)
#endif
-
/* get an option with bounds checking (warning, result is not aligned). */
-uint8_t* FAST_FUNC get_option(struct dhcp_packet *packet, int code)
+uint8_t* FAST_FUNC udhcp_get_option(struct dhcp_packet *packet, int code)
{
uint8_t *optionptr;
int len;
@@ -162,7 +158,7 @@
rem = sizeof(packet->options);
while (1) {
if (rem <= 0) {
- bb_error_msg("bogus packet, malformed option field");
+ bb_error_msg("bad packet, malformed option field");
return NULL;
}
if (optionptr[OPT_CODE] == DHCP_PADDING) {
@@ -209,9 +205,8 @@
return NULL;
}
-
/* return the position of the 'end' option (no bounds checking) */
-int FAST_FUNC end_option(uint8_t *optionptr)
+int FAST_FUNC udhcp_end_option(uint8_t *optionptr)
{
int i = 0;
@@ -223,12 +218,11 @@
return i;
}
-
/* add an option string to the options */
/* option bytes: [code][len][data1][data2]..[dataLEN] */
-void FAST_FUNC add_option_string(uint8_t *optionptr, uint8_t *string)
+void FAST_FUNC udhcp_add_option_string(uint8_t *optionptr, uint8_t *string)
{
- int end = end_option(optionptr);
+ int end = udhcp_end_option(optionptr);
/* end position + string length + option code/length + end option */
if (end + string[OPT_LEN] + 2 + 1 >= DHCP_OPTIONS_BUFSIZE) {
@@ -241,9 +235,8 @@
optionptr[end + string[OPT_LEN] + 2] = DHCP_END;
}
-
/* add a one to four byte option to a packet */
-void FAST_FUNC add_simple_option(uint8_t *optionptr, uint8_t code, uint32_t data)
+void FAST_FUNC udhcp_add_simple_option(uint8_t *optionptr, uint8_t code, uint32_t data)
{
const struct dhcp_option *dh;
@@ -258,7 +251,7 @@
data <<= 8 * (4 - len);
/* Assignment is unaligned! */
move_to_unaligned32(&option[OPT_DATA], data);
- add_option_string(optionptr, option);
+ udhcp_add_option_string(optionptr, option);
return;
}
}