X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Fplatform.h;h=91d5f476d8693ece34652f71f40da1e395a971c6;hb=5568b722d46157867959685ee2b35649c6ab16df;hp=f23d1fb0b2342021cb6b26f5870ef88d7ae21791;hpb=148734df99896c0c6f33950f38b61d076171311b;p=oweals%2Fbusybox.git diff --git a/include/platform.h b/include/platform.h index f23d1fb0b..91d5f476d 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) @@ -75,6 +75,14 @@ # endif #endif +/* gcc-2.95 had no va_copy but only __va_copy. */ +#if !__GNUC_PREREQ (3,0) +# include +# 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__) @@ -125,13 +133,6 @@ 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__ */ - #if (defined __digital__ && defined __unix__) # undef HAVE_MNTENT_H #else @@ -171,10 +172,10 @@ typedef unsigned long long int uintmax_t; #endif #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 && \ @@ -185,7 +186,25 @@ 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! */ @@ -201,7 +220,7 @@ 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) @@ -222,6 +241,38 @@ typedef unsigned long long int uintmax_t; #if defined(__linux__) #include +// 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