*: make "pragma GCC visibility push(hidden)" less ugly

networking/udhcp/common.h

@@ -6,17 +6,14 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
  */
-
-#ifndef _COMMON_H
-#define _COMMON_H
+#ifndef UDHCP_COMMON_H
+#define UDHCP_COMMON_H 1
 
 #include "libbb.h"
 #include <netinet/udp.h>
 #include <netinet/ip.h>
 
-#if __GNUC_PREREQ(4,1)
-# pragma GCC visibility push(hidden)
-#endif
+PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
 
 #define DEFAULT_SCRIPT   CONFIG_UDHCPC_DEFAULT_SCRIPT
 
@@ -103,8 +100,6 @@ int arpping(uint32_t test_ip, uint32_t from_ip, uint8_t *from_mac, const char *i
 # define DEBUG(str, args...) do {;} while (0)
 #endif
 
-#if __GNUC_PREREQ(4,1)
-# pragma GCC visibility pop
-#endif
+POP_SAVED_FUNCTION_VISIBILITY
 
 #endif

networking/udhcp/dhcpc.h

@@ -1,12 +1,9 @@
 /* vi: set sw=4 ts=4: */
 /* dhcpc.h */
+#ifndef UDHCP_DHCPC_H
+#define UDHCP_DHCPC_H 1
 
-#ifndef _DHCPC_H
-#define _DHCPC_H
-
-#if __GNUC_PREREQ(4,1)
-# pragma GCC visibility push(hidden)
-#endif
+PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
 
 struct client_config_t {
 	uint8_t arp[6];                 /* Our arp address */
@@ -49,8 +46,6 @@ int send_release(uint32_t server, uint32_t ciaddr) FAST_FUNC;
 
 int udhcp_recv_raw_packet(struct dhcpMessage *payload, int fd) FAST_FUNC;
 
-#if __GNUC_PREREQ(4,1)
-# pragma GCC visibility pop
-#endif
+POP_SAVED_FUNCTION_VISIBILITY
 
 #endif

networking/udhcp/dhcpd.h

@@ -1,12 +1,9 @@
 /* vi: set sw=4 ts=4: */
 /* dhcpd.h */
+#ifndef UDHCP_DHCPD_H
+#define UDHCP_DHCPD_H 1
 
-#ifndef _DHCPD_H
-#define _DHCPD_H
-
-#if __GNUC_PREREQ(4,1)
-# pragma GCC visibility push(hidden)
-#endif
+PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
 
 /************************************/
 /* Defaults _you_ may want to tweak */
@@ -134,8 +131,6 @@ void read_leases(const char *file) FAST_FUNC;
 struct option_set *find_option(struct option_set *opt_list, uint8_t code) FAST_FUNC;
 
 
-#if __GNUC_PREREQ(4,1)
-# pragma GCC visibility pop
-#endif
+POP_SAVED_FUNCTION_VISIBILITY
 
 #endif

networking/udhcp/options.h

@@ -1,11 +1,9 @@
 /* vi: set sw=4 ts=4: */
 /* options.h */
-#ifndef _OPTIONS_H
-#define _OPTIONS_H
+#ifndef UDHCP_OPTIONS_H
+#define UDHCP_OPTIONS_H 1
 
-#if __GNUC_PREREQ(4,1)
-# pragma GCC visibility push(hidden)
-#endif
+PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
 
 #define TYPE_MASK       0x0F
 
@@ -111,8 +109,6 @@ char *dname_dec(const uint8_t *cstr, int clen, const char *pre) FAST_FUNC;
 uint8_t *dname_enc(const uint8_t *cstr, int clen, const char *src, int *retlen) FAST_FUNC;
 #endif
 
-#if __GNUC_PREREQ(4,1)
-# pragma GCC visibility pop
-#endif
+POP_SAVED_FUNCTION_VISIBILITY
 
 #endif