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add platform tweaks
login: consider platforms having no domainname field in the utsname struct include/platform.h: define IUCLC to 0 on platforms where it is not defined Signed-off-by: Luca Favatella <slackydeb@gmail.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
parent
167cd709df
commit
5a49d284a6
@ -19,7 +19,7 @@
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/* __restrict is known in EGCS 1.2 and above. */
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#if !__GNUC_PREREQ(2,92)
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# ifndef __restrict
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# define __restrict /* Ignore */
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# define __restrict
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# endif
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#endif
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@ -61,14 +61,14 @@
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# define DEPRECATED __attribute__ ((__deprecated__))
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# define UNUSED_PARAM_RESULT __attribute__ ((warn_unused_result))
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# else
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# define DEPRECATED /* n/a */
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# define UNUSED_PARAM_RESULT /* n/a */
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# define DEPRECATED
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# define UNUSED_PARAM_RESULT
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# endif
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#else
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# define ALWAYS_INLINE inline /* n/a */
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# define NOINLINE /* n/a */
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# define DEPRECATED /* n/a */
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# define UNUSED_PARAM_RESULT /* n/a */
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# define ALWAYS_INLINE inline
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# define NOINLINE
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# define DEPRECATED
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# define UNUSED_PARAM_RESULT
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#endif
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/* -fwhole-program makes all symbols local. The attribute externally_visible
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@ -144,19 +144,19 @@
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/* SWAP_LEnn means "convert CPU<->little_endian by swapping bytes" */
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#if BB_BIG_ENDIAN
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#define SWAP_BE16(x) (x)
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#define SWAP_BE32(x) (x)
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#define SWAP_BE64(x) (x)
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#define SWAP_LE16(x) bswap_16(x)
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#define SWAP_LE32(x) bswap_32(x)
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#define SWAP_LE64(x) bswap_64(x)
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# define SWAP_BE16(x) (x)
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# define SWAP_BE32(x) (x)
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# define SWAP_BE64(x) (x)
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# define SWAP_LE16(x) bswap_16(x)
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# define SWAP_LE32(x) bswap_32(x)
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# define SWAP_LE64(x) bswap_64(x)
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#else
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#define SWAP_BE16(x) bswap_16(x)
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#define SWAP_BE32(x) bswap_32(x)
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#define SWAP_BE64(x) bswap_64(x)
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#define SWAP_LE16(x) (x)
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#define SWAP_LE32(x) (x)
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#define SWAP_LE64(x) (x)
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# define SWAP_BE16(x) bswap_16(x)
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# define SWAP_BE32(x) bswap_32(x)
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# define SWAP_BE64(x) bswap_64(x)
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# define SWAP_LE16(x) (x)
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# define SWAP_LE32(x) (x)
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# define SWAP_LE64(x) (x)
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#endif
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/* ---- Unaligned access ------------------------------------ */
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@ -165,15 +165,15 @@
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* a lvalue. This makes it more likely to not swap them by mistake
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*/
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#if defined(i386) || defined(__x86_64__)
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#define move_from_unaligned16(v, u16p) ((v) = *(uint16_t*)(u16p))
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#define move_from_unaligned32(v, u32p) ((v) = *(uint32_t*)(u32p))
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#define move_to_unaligned32(u32p, v) (*(uint32_t*)(u32p) = (v))
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# define move_from_unaligned16(v, u16p) ((v) = *(uint16_t*)(u16p))
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# define move_from_unaligned32(v, u32p) ((v) = *(uint32_t*)(u32p))
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# define move_to_unaligned32(u32p, v) (*(uint32_t*)(u32p) = (v))
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/* #elif ... - add your favorite arch today! */
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#else
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/* performs reasonably well (gcc usually inlines memcpy here) */
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#define move_from_unaligned16(v, u16p) (memcpy(&(v), (u16p), 2))
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#define move_from_unaligned32(v, u32p) (memcpy(&(v), (u32p), 4))
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#define move_to_unaligned32(u32p, v) do { \
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# define move_from_unaligned16(v, u16p) (memcpy(&(v), (u16p), 2))
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# define move_from_unaligned32(v, u32p) (memcpy(&(v), (u32p), 4))
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# define move_to_unaligned32(u32p, v) do { \
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uint32_t __t = (v); \
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memcpy((u32p), &__t, 4); \
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} while (0)
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@ -225,21 +225,21 @@ __extension__ typedef unsigned long long __u64;
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#if defined __GLIBC__ || defined __UCLIBC__ \
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|| defined __dietlibc__ || defined _NEWLIB_VERSION
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#include <features.h>
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#define HAVE_FEATURES_H
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#include <stdint.h>
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#define HAVE_STDINT_H
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# include <features.h>
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# define HAVE_FEATURES_H
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# include <stdint.h>
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# define HAVE_STDINT_H
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#elif !defined __APPLE__
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/* Largest integral types. */
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#if __BIG_ENDIAN__
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# if __BIG_ENDIAN__
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typedef long intmax_t;
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typedef unsigned long uintmax_t;
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#else
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# else
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__extension__
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typedef long long intmax_t;
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__extension__
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typedef unsigned long long uintmax_t;
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#endif
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# endif
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#endif
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/* Size-saving "small" ints (arch-dependent) */
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@ -256,20 +256,20 @@ typedef unsigned smalluint;
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/* ISO C Standard: 7.16 Boolean type and values <stdbool.h> */
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#if (defined __digital__ && defined __unix__)
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/* old system without (proper) C99 support */
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#define bool smalluint
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# define bool smalluint
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#else
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/* modern system, so use it */
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#include <stdbool.h>
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# include <stdbool.h>
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#endif
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/* Try to defeat gcc's alignment of "char message[]"-like data */
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#if 1 /* if needed: !defined(arch1) && !defined(arch2) */
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#define ALIGN1 __attribute__((aligned(1)))
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#define ALIGN2 __attribute__((aligned(2)))
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# define ALIGN1 __attribute__((aligned(1)))
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# define ALIGN2 __attribute__((aligned(2)))
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#else
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/* Arches which MUST have 2 or 4 byte alignment for everything are here */
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#define ALIGN1
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#define ALIGN2
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# define ALIGN1
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# define ALIGN2
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#endif
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@ -281,13 +281,13 @@ typedef unsigned smalluint;
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#if ENABLE_NOMMU || \
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(defined __UCLIBC__ && __UCLIBC_MAJOR__ >= 0 && __UCLIBC_MINOR__ >= 9 && \
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__UCLIBC_SUBLEVEL__ > 28 && !defined __ARCH_USE_MMU__)
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#define BB_MMU 0
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#define USE_FOR_NOMMU(...) __VA_ARGS__
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#define USE_FOR_MMU(...)
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# define BB_MMU 0
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# define USE_FOR_NOMMU(...) __VA_ARGS__
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# define USE_FOR_MMU(...)
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#else
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#define BB_MMU 1
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#define USE_FOR_NOMMU(...)
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#define USE_FOR_MMU(...) __VA_ARGS__
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# define BB_MMU 1
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# define USE_FOR_NOMMU(...)
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# define USE_FOR_MMU(...) __VA_ARGS__
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#endif
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/* Platforms that haven't got dprintf need to implement fdprintf() in
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@ -297,7 +297,7 @@ typedef unsigned smalluint;
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/* Needed for: glibc */
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/* Not needed for: dietlibc */
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/* Others: ?? (add as needed) */
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#define fdprintf dprintf
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# define fdprintf dprintf
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#endif
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#if defined(__dietlibc__)
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@ -323,7 +323,6 @@ static ALWAYS_INLINE char* strchrnul(const char *s, char c)
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# define PRIu32 "u"
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/* use legacy setpgrp(pid_t,pid_t) for now. move to platform.c */
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# define bb_setpgrp() do { pid_t __me = getpid(); setpgrp(__me,__me); } while (0)
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# if !defined ADJ_OFFSET_SINGLESHOT && defined MOD_CLKA && defined MOD_OFFSET
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# define ADJ_OFFSET_SINGLESHOT (MOD_CLKA | MOD_OFFSET)
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# endif
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@ -344,44 +343,53 @@ static ALWAYS_INLINE char* strchrnul(const char *s, char c)
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#endif
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#if defined(__linux__)
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#include <sys/mount.h>
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# include <sys/mount.h>
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/* Make sure we have all the new mount flags we actually try to use. */
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#ifndef MS_BIND
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#define MS_BIND (1<<12)
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#endif
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#ifndef MS_MOVE
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#define MS_MOVE (1<<13)
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#endif
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#ifndef MS_RECURSIVE
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#define MS_RECURSIVE (1<<14)
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#endif
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#ifndef MS_SILENT
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#define MS_SILENT (1<<15)
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#endif
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# ifndef MS_BIND
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# define MS_BIND (1 << 12)
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# endif
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# ifndef MS_MOVE
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# define MS_MOVE (1 << 13)
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# endif
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# ifndef MS_RECURSIVE
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# define MS_RECURSIVE (1 << 14)
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# endif
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# ifndef MS_SILENT
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# define MS_SILENT (1 << 15)
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# endif
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/* The shared subtree stuff, which went in around 2.6.15. */
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#ifndef MS_UNBINDABLE
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#define MS_UNBINDABLE (1<<17)
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#endif
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#ifndef MS_PRIVATE
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#define MS_PRIVATE (1<<18)
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#endif
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#ifndef MS_SLAVE
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#define MS_SLAVE (1<<19)
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#endif
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#ifndef MS_SHARED
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#define MS_SHARED (1<<20)
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#endif
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#ifndef MS_RELATIME
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#define MS_RELATIME (1 << 21)
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# ifndef MS_UNBINDABLE
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# define MS_UNBINDABLE (1 << 17)
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# endif
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# ifndef MS_PRIVATE
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# define MS_PRIVATE (1 << 18)
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# endif
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# ifndef MS_SLAVE
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# define MS_SLAVE (1 << 19)
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# endif
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# ifndef MS_SHARED
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# define MS_SHARED (1 << 20)
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# endif
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# ifndef MS_RELATIME
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# define MS_RELATIME (1 << 21)
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# endif
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# if !defined(BLKSSZGET)
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# define BLKSSZGET _IO(0x12, 104)
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# endif
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# if !defined(BLKGETSIZE64)
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# define BLKGETSIZE64 _IOR(0x12,114,size_t)
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# endif
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#endif
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#if !defined(BLKSSZGET)
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#define BLKSSZGET _IO(0x12, 104)
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#endif
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#if !defined(BLKGETSIZE64)
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#define BLKGETSIZE64 _IOR(0x12,114,size_t)
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/* The field domainname of struct utsname is Linux specific. */
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#if !defined(__linux__)
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# define HAVE_NO_UTSNAME_DOMAINNAME
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#endif
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/* If this system doesn't have IUCLC bit in struct termios::c_iflag... */
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#ifndef IUCLC
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# define IUCLC 0
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#endif
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#endif
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@ -62,10 +62,12 @@ void FAST_FUNC print_login_issue(const char *issue_file, const char *tty)
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case 'm':
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outbuf = uts.machine;
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break;
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#ifndef HAVE_NO_UTSNAME_DOMAINNAME
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case 'D':
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case 'o':
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outbuf = uts.domainname;
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break;
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#endif
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case 'd':
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strftime(buf, sizeof(buf), fmtstr_d, localtime(&t));
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break;
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