preparatory patch for -Wwrite-strings #2

4 files changed, 7 insertions, 7 deletions

diff --git a/networking/udhcp/common.h b/networking/udhcp/common.h
index ca05a9c2c..a80691b4a 100644
--- a/networking/udhcp/common.h
+++ b/networking/udhcp/common.h
@@ -89,8 +89,8 @@ void udhcp_sp_setup(void);
 int udhcp_sp_fd_set(fd_set *rfds, int extra_fd);
 int udhcp_sp_read(fd_set *rfds);
 int raw_socket(int ifindex);
-int read_interface(char *interface, int *ifindex, uint32_t *addr, uint8_t *arp);
-int listen_socket(uint32_t ip, int port, char *inf);
+int read_interface(const char *interface, int *ifindex, uint32_t *addr, uint8_t *arp);
+int listen_socket(uint32_t ip, int port, const char *inf);
 int pidfile_acquire(const char *pidfile);
 void pidfile_write_release(int pid_fd);
 int arpping(uint32_t yiaddr, uint32_t ip, uint8_t *arp, char *interface);
diff --git a/networking/udhcp/dhcpc.h b/networking/udhcp/dhcpc.h
index fd17917d0..4ddd12120 100644
--- a/networking/udhcp/dhcpc.h
+++ b/networking/udhcp/dhcpc.h
@@ -20,9 +20,9 @@ struct client_config_t {
 	char release_on_quit;           /* perform release on quit */
 	char abort_if_no_lease;         /* Abort if no lease */
 	char background_if_no_lease;    /* Fork to background if no lease */
-	char *interface;                /* The name of the interface to use */
+	const char *interface;                /* The name of the interface to use */
 	char *pidfile;                  /* Optionally store the process ID */
-	char *script;                   /* User script to run at dhcp events */
+	const char *script;                   /* User script to run at dhcp events */
 	uint8_t *clientid;              /* Optional client id to use */
 	uint8_t *vendorclass;           /* Optional vendor class-id to use */
 	uint8_t *hostname;              /* Optional hostname to use */
diff --git a/networking/udhcp/script.c b/networking/udhcp/script.c
index 07f68362c..d2b0bb05b 100644
--- a/networking/udhcp/script.c
+++ b/networking/udhcp/script.c
@@ -35,7 +35,7 @@ static inline int upper_length(int length, int opt_index)
 }
 
 
-static int sprintip(char *dest, char *pre, uint8_t *ip)
+static int sprintip(char *dest, const char *pre, const uint8_t *ip)
 {
 	return sprintf(dest, "%s%d.%d.%d.%d", pre, ip[0], ip[1], ip[2], ip[3]);
 }
diff --git a/networking/udhcp/socket.c b/networking/udhcp/socket.c
index 76ae7172d..d294fb259 100644
--- a/networking/udhcp/socket.c
+++ b/networking/udhcp/socket.c
@@ -37,7 +37,7 @@
 #include "common.h"
 
 
-int read_interface(char *interface, int *ifindex, uint32_t *addr, uint8_t *arp)
+int read_interface(const char *interface, int *ifindex, uint32_t *addr, uint8_t *arp)
 {
 	int fd;
 	struct ifreq ifr;
@@ -88,7 +88,7 @@ int read_interface(char *interface, int *ifindex, uint32_t *addr, uint8_t *arp)
 }
 
 
-int listen_socket(uint32_t ip, int port, char *inf)
+int listen_socket(uint32_t ip, int port, const char *inf)
 {
 	struct ifreq interface;
 	int fd;