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authorGravatar Denis Vlasenko <vda.linux@googlemail.com>2008-05-26 17:32:35 +0000
committerGravatar Denis Vlasenko <vda.linux@googlemail.com>2008-05-26 17:32:35 +0000
commitfc9e1080320e52fb97ae694627d8101af64f3dad (patch)
tree2b57edddb15071f8fa13a47e45a735d0e8c52edc /include/platform.h
parent6bb55cfb99090565d565588c281c08ca21993e78 (diff)
downloadbusybox-fc9e1080320e52fb97ae694627d8101af64f3dad.tar.gz
busybox-fc9e1080320e52fb97ae694627d8101af64f3dad.tar.bz2
udhcpc: shrink
udhcpc: guard against zero lease time function old new delta timeout 4 - -4 server_addr 4 - -4 requested_ip 4 - -4 perform_release 134 112 -22 udhcpc_main 2511 2485 -26 ------------------------------------------------------------------------------ (add/remove: 0/3 grow/shrink: 0/2 up/down: 0/-60) Total: -60 bytes
Diffstat (limited to 'include/platform.h')
-rw-r--r--include/platform.h15
1 files changed, 14 insertions, 1 deletions
diff --git a/include/platform.h b/include/platform.h
index 0e0ccaf90..21224fabf 100644
--- a/include/platform.h
+++ b/include/platform.h
@@ -135,7 +135,18 @@
#define SWAP_LE64(x) (x)
#endif
+/* ---- Unaligned access ------------------------------------ */
+
+/* parameter is supposed to be an uint32_t* ptr */
+#if defined(i386) || defined(__x86_64__) /* + other arches? */
+#define get_unaligned_u32p(u32p) (*(u32p))
+#else
+/* performs reasonably well (gcc usually inlines memcpy here) */
+#define get_unaligned_u32p(u32p) ({ uint32_t __t; memcpy(&__t, (u32p), 4); __t; })
+#endif
+
/* ---- Networking ------------------------------------------ */
+
#ifndef __APPLE__
# include <arpa/inet.h>
# ifndef __socklen_t_defined
@@ -146,6 +157,7 @@ typedef int socklen_t;
#endif
/* ---- Compiler dependent settings ------------------------- */
+
#if (defined __digital__ && defined __unix__) || defined __APPLE__
# undef HAVE_MNTENT_H
# undef HAVE_SYS_STATFS_H
@@ -163,9 +175,10 @@ __extension__ typedef unsigned long long __u64;
#endif
/*----- Kernel versioning ------------------------------------*/
+
#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
-/* ---- miscellaneous --------------------------------------- */
+/* ---- Miscellaneous --------------------------------------- */
#if defined(__GNU_LIBRARY__) && __GNU_LIBRARY__ < 5 && \
!defined(__dietlibc__) && \