X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Fplatform.h;h=9d8df4b7f303aac6ca71633fbe3210e786e53cdb;hb=98ee06d3d46aa7f89c204681c7075b53300a6a6e;hp=5dbfb7783e9c01cfce976969ae389a5c4ab85bfc;hpb=22d26fc6ae2af584482deaf92f25bb6a7261ad78;p=oweals%2Fbusybox.git

diff --git a/include/platform.h b/include/platform.h
index 5dbfb7783..9d8df4b7f 100644
--- a/include/platform.h
+++ b/include/platform.h
@@ -11,7 +11,7 @@
 #undef __GNUC_PREREQ
 #if defined __GNUC__ && defined __GNUC_MINOR__
 # define __GNUC_PREREQ(maj, min) \
-	        ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
+		((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
 #else
 # define __GNUC_PREREQ(maj, min) 0
 #endif
@@ -34,7 +34,7 @@
 #endif
 
 #undef inline
-#if __STDC_VERSION__ > 199901L
+#if defined(__STDC_VERSION__) && __STDC_VERSION__ > 199901L
 /* it's a keyword */
 #else
 # if __GNUC_PREREQ (2,7)
@@ -48,39 +48,23 @@
 # define __const const
 #endif
 
-#ifndef ATTRIBUTE_UNUSED
 # define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
-#endif /* ATTRIBUTE_UNUSED */
-
-#ifndef ATTRIBUTE_NORETURN
 # define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
-#endif /* ATTRIBUTE_NORETURN */
-
-#ifndef ATTRIBUTE_PACKED
 # define ATTRIBUTE_PACKED __attribute__ ((__packed__))
-#endif /* ATTRIBUTE_PACKED */
-
-#ifndef ATTRIBUTE_ALIGNED
 # define ATTRIBUTE_ALIGNED(m) __attribute__ ((__aligned__(m)))
-#endif /* ATTRIBUTE_ALIGNED */
-
-#ifndef ATTRIBUTE_ALWAYS_INLINE
 # if __GNUC_PREREQ (3,0)
 #  define ATTRIBUTE_ALWAYS_INLINE __attribute__ ((always_inline)) inline
 # else
 #  define ATTRIBUTE_ALWAYS_INLINE inline
 # endif
-#endif
 
 /* -fwhole-program makes all symbols local. The attribute externally_visible
    forces a symbol global.  */
-#ifndef ATTRIBUTE_EXTERNALLY_VISIBLE
 # if __GNUC_PREREQ (4,1)
 #  define ATTRIBUTE_EXTERNALLY_VISIBLE __attribute__ ((__externally_visible__))
 # else
 #  define ATTRIBUTE_EXTERNALLY_VISIBLE
 # endif /* GNUC >= 4.1 */
-#endif /* ATTRIBUTE_EXTERNALLY_VISIBLE */
 
 /* We use __extension__ in some places to suppress -pedantic warnings
    about GCC extensions.  This feature didn't work properly before
@@ -91,6 +75,14 @@
 # endif
 #endif
 
+/* gcc-2.95 had no va_copy but only __va_copy. */
+#if !__GNUC_PREREQ (3,0)
+# include <stdarg.h>
+# if !defined va_copy && defined __va_copy
+#  define va_copy(d,s) __va_copy((d),(s))
+# endif
+#endif
+
 /* ---- Endian Detection ------------------------------------ */
 
 #if (defined __digital__ && defined __unix__)
@@ -141,12 +133,12 @@ typedef int socklen_t;
 #endif
 
 /* ---- Compiler dependent settings ------------------------- */
-#ifndef __GNUC__
-#if defined __INTEL_COMPILER
-__extension__ typedef __signed__ long long __s64;
-__extension__ typedef unsigned long long __u64;
-#endif /* __INTEL_COMPILER */
-#endif /* ifndef __GNUC__ */
+//#ifndef __GNUC__
+//#if defined __INTEL_COMPILER
+//__extension__ typedef __signed__ long long __s64;
+//__extension__ typedef unsigned long long __u64;
+//#endif /* __INTEL_COMPILER */
+//#endif /* ifndef __GNUC__ */
 
 #if (defined __digital__ && defined __unix__)
 # undef HAVE_MNTENT_H
@@ -187,16 +179,10 @@ typedef unsigned long long int  uintmax_t;
 #endif
 #endif
 
-// Is this for non-linux systems, or what?
-
-#if !((__GLIBC__ >= 2) && (__GLIBC_MINOR__ >= 1))
-#define lchown chown
-#endif
-
-/* uclibc does not implement daemon for no-mmu systems.
+/* uclibc does not implement daemon() for no-mmu systems.
  * For 0.9.29 and svn, __ARCH_USE_MMU__ indicates no-mmu reliably.
  * For earlier versions there is no reliable way to check if we are building
- * for a mmu-less system; the user should pass CFLAGS_EXTRA="-DBB_NOMMU"
+ * for a mmu-less system; the user should pass EXTRA_CFLAGS="-DBB_NOMMU"
  * on his own.
  */
 #if defined __UCLIBC__ && __UCLIBC_MAJOR__ >= 0 && __UCLIBC_MINOR__ >= 9 && \
@@ -207,7 +193,25 @@ typedef unsigned long long int  uintmax_t;
 /* Platforms that haven't got dprintf need to implement fdprintf() in
  * libbb.  This would require a platform.c.  It's not going to be cleaned
  * out of the tree, so stop saying it should be. */
+#if !defined(__dietlibc__)
+/* Needed for: glibc */
+/* Not needed for: dietlibc */
+/* Others: ?? (add as needed) */
 #define fdprintf dprintf
+#endif
+
+#if defined(__dietlibc__)
+static ATTRIBUTE_ALWAYS_INLINE char* strchrnul(const char *s, char c) {
+	while (*s && *s != c) ++s;
+	return (char*)s;
+}
+#endif
+
+/* Don't use lchown with glibc older than 2.1.x ... uC-libc lacks it */
+#if (defined __GLIBC__ && __GLIBC__ <= 2 && __GLIBC_MINOR__ < 1) || \
+    defined __UC_LIBC__
+# define lchown chown
+#endif
 
 /* THIS SHOULD BE CLEANED OUT OF THE TREE ENTIRELY */
 /* FIXME: fix tar.c! */
@@ -223,7 +227,7 @@ typedef unsigned long long int  uintmax_t;
 #define PRIu32 "u"
 
 /* use legacy setpgrp(pidt_,pid_t) for now.  move to platform.c */
-#define bb_setpgrp do{pid_t __me = getpid();setpgrp(__me,__me);}while(0)
+#define bb_setpgrp do { pid_t __me = getpid(); setpgrp(__me,__me); } while (0)
 
 #if !defined ADJ_OFFSET_SINGLESHOT && defined MOD_CLKA && defined MOD_OFFSET
 #define ADJ_OFFSET_SINGLESHOT (MOD_CLKA | MOD_OFFSET)
@@ -244,6 +248,38 @@ typedef unsigned long long int  uintmax_t;
 
 #if defined(__linux__)
 #include <sys/mount.h>
+// Make sure we have all the new mount flags we actually try to use.
+#ifndef MS_BIND
+#define MS_BIND        (1<<12)
+#endif
+#ifndef MS_MOVE
+#define MS_MOVE        (1<<13)
+#endif
+#ifndef MS_RECURSIVE
+#define MS_RECURSIVE   (1<<14)
+#endif
+#ifndef MS_SILENT
+#define MS_SILENT      (1<<15)
+#endif
+
+// The shared subtree stuff, which went in around 2.6.15
+#ifndef MS_UNBINDABLE
+#define MS_UNBINDABLE  (1<<17)
+#endif
+#ifndef MS_PRIVATE
+#define MS_PRIVATE     (1<<18)
+#endif
+#ifndef MS_SLAVE
+#define MS_SLAVE       (1<<19)
+#endif
+#ifndef MS_SHARED
+#define MS_SHARED      (1<<20)
+#endif
+
+
+#if !defined(BLKSSZGET)
+#define BLKSSZGET _IO(0x12, 104)
+#endif
 #if !defined(BLKGETSIZE64)
 #define BLKGETSIZE64 _IOR(0x12,114,size_t)
 #endif