d005c9f4c7
function old new delta recv_and_process_peer_pkt 2173 2245 +72 machtime_dg 97 114 +17 machtime_stream 29 45 +16 fmt_time_bernstein_25 132 139 +7 aesgcm_GHASH 183 184 +1 dumpleases_main 519 516 -3 __bswap_32 3 - -3 udhcp_run_script 743 739 -4 tls_xread_record 634 630 -4 select_lease_time 56 52 -4 rdate_main 260 256 -4 get_prefix 327 323 -4 udhcp_listen_socket 185 180 -5 sha1_process_block64 361 356 -5 sendping6 81 76 -5 sendping4 107 102 -5 read32 27 22 -5 ll_proto_a2n 112 107 -5 bb_lookup_port 102 97 -5 udhcpc_main 2615 2609 -6 tftpd_main 579 573 -6 str2sockaddr 558 552 -6 GMULT 136 130 -6 sha1_end 73 66 -7 ntpd_main 1361 1354 -7 ntohl 7 - -7 inet_addr_match 93 86 -7 htonl 7 - -7 do_iplink 1259 1252 -7 do_add_or_delete 1138 1131 -7 create_and_bind_or_die 117 110 -7 bind_for_passive_mode 124 117 -7 xconnect_ftpdata 98 90 -8 rpm_getint 118 110 -8 read_leases 304 296 -8 read_config 216 208 -8 udhcp_send_kernel_packet 336 327 -9 udhcp_recv_kernel_packet 143 134 -9 sha256_process_block64 451 442 -9 d6_send_kernel_packet_from_client_data_ifindex 275 266 -9 write_leases 215 205 -10 wget_main 2518 2508 -10 udhcpd_main 1528 1518 -10 tftp_protocol 2019 2009 -10 ftpd_main 2159 2149 -10 des_crypt 1318 1308 -10 send_ACK 138 127 -11 ipaddr_modify 1618 1607 -11 udhcp_str2optset 650 638 -12 init_d6_packet 115 103 -12 xwrite_encrypted 512 499 -13 tls_handshake 2060 2047 -13 pscan_main 607 594 -13 perform_d6_release 240 227 -13 ip_port_str 135 122 -13 handle_incoming_and_exit 2230 2217 -13 INET_setroute 751 737 -14 traceroute_init 1153 1137 -16 nc_main 1055 1039 -16 udhcp_init_header 92 75 -17 volume_id_probe_hfs_hfsplus 512 494 -18 send_offer 455 435 -20 do_lzo_decompress 507 487 -20 add_client_options 229 209 -20 ipcalc_main 554 533 -21 dhcprelay_main 966 943 -23 change_listen_mode 345 321 -24 send_packet 188 162 -26 static.xmalloc_optname_optval 709 681 -28 rpm_gettags 447 419 -28 machtime 28 - -28 catcher 299 270 -29 sfp_to_d 78 48 -30 reread_config_file 917 886 -31 lfp_to_d 84 51 -33 udhcp_recv_raw_packet 594 559 -35 nbdclient_main 1182 1145 -37 d_to_lfp 137 100 -37 lzo_compress 567 529 -38 d6_recv_raw_packet 299 254 -45 d_to_sfp 133 85 -48 d6_send_raw_packet_from_client_data_ifindex 427 379 -48 common_ping_main 1935 1887 -48 udhcp_send_raw_packet 467 416 -51 zcip_main 1219 1160 -59 udhcpc6_main 2636 2568 -68 do_lzo_compress 327 258 -69 send_arp_request 201 129 -72 common_traceroute_main 1699 1621 -78 arpping 523 437 -86 arping_main 1597 1481 -116 print_tunnel 678 550 -128 dnsd_main 1304 1164 -140 parse_args 1370 1169 -201 ------------------------------------------------------------------------------ (add/remove: 0/6 grow/shrink: 5/85 up/down: 113/-2246) Total: -2133 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
634 lines
18 KiB
C
634 lines
18 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Copyright 2006, Bernhard Reutner-Fischer
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*
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* Licensed under GPLv2 or later, see file LICENSE in this source tree.
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*/
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#ifndef BB_PLATFORM_H
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#define BB_PLATFORM_H 1
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/* Convenience macros to test the version of gcc. */
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#undef __GNUC_PREREQ
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#if defined __GNUC__ && defined __GNUC_MINOR__
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# define __GNUC_PREREQ(maj, min) \
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((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
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#else
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# define __GNUC_PREREQ(maj, min) 0
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#endif
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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
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# endif
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#endif
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#if !__GNUC_PREREQ(2,7)
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# ifndef __attribute__
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# define __attribute__(x)
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# endif
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#endif
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#if !__GNUC_PREREQ(5,0)
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# define deprecated(msg) deprecated
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#endif
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#undef inline
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#if defined(__STDC_VERSION__) && __STDC_VERSION__ > 199901L
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/* it's a keyword */
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#elif __GNUC_PREREQ(2,7)
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# define inline __inline__
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#else
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# define inline
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#endif
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#ifndef __const
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# define __const const
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#endif
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#define UNUSED_PARAM __attribute__ ((__unused__))
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#define NORETURN __attribute__ ((__noreturn__))
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#if __GNUC_PREREQ(4,5)
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# define bb_unreachable(altcode) __builtin_unreachable()
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#else
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# define bb_unreachable(altcode) altcode
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#endif
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/* "The malloc attribute is used to tell the compiler that a function
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* may be treated as if any non-NULL pointer it returns cannot alias
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* any other pointer valid when the function returns. This will often
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* improve optimization. Standard functions with this property include
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* malloc and calloc. realloc-like functions have this property as long
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* as the old pointer is never referred to (including comparing it
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* to the new pointer) after the function returns a non-NULL value."
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*/
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#define RETURNS_MALLOC __attribute__ ((malloc))
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#define PACKED __attribute__ ((__packed__))
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#define ALIGNED(m) __attribute__ ((__aligned__(m)))
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/* __NO_INLINE__: some gcc's do not honor inlining! :( */
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#if __GNUC_PREREQ(3,0) && !defined(__NO_INLINE__)
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# define ALWAYS_INLINE __attribute__ ((always_inline)) inline
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/* I've seen a toolchain where I needed __noinline__ instead of noinline */
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# define NOINLINE __attribute__((__noinline__))
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# if !ENABLE_WERROR
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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
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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
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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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/* used by unit test machinery to run registration functions before calling main() */
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#define INIT_FUNC __attribute__ ((constructor))
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/* -fwhole-program makes all symbols local. The attribute externally_visible
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* forces a symbol global. */
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#if __GNUC_PREREQ(4,1)
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# define EXTERNALLY_VISIBLE __attribute__(( visibility("default") ))
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//__attribute__ ((__externally_visible__))
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#else
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# define EXTERNALLY_VISIBLE
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#endif
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/* At 4.4 gcc become much more anal about this, need to use "aliased" types */
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#if __GNUC_PREREQ(4,4)
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# define FIX_ALIASING __attribute__((__may_alias__))
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#else
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# define FIX_ALIASING
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#endif
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/* We use __extension__ in some places to suppress -pedantic warnings
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* about GCC extensions. This feature didn't work properly before
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* gcc 2.8. */
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#if !__GNUC_PREREQ(2,8)
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# ifndef __extension__
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# define __extension__
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# endif
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#endif
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/* FAST_FUNC is a qualifier which (possibly) makes function call faster
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* and/or smaller by using modified ABI. It is usually only needed
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* on non-static, busybox internal functions. Recent versions of gcc
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* optimize statics automatically. FAST_FUNC on static is required
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* only if you need to match a function pointer's type.
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* FAST_FUNC may not work well with -flto so allow user to disable this.
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* (-DFAST_FUNC= )
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*/
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#ifndef FAST_FUNC
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# if __GNUC_PREREQ(3,0) && defined(i386)
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/* stdcall makes callee to pop arguments from stack, not caller */
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# define FAST_FUNC __attribute__((regparm(3),stdcall))
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/* #elif ... - add your favorite arch today! */
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# else
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# define FAST_FUNC
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# endif
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#endif
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/* Make all declarations hidden (-fvisibility flag only affects definitions) */
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/* (don't include system headers after this until corresponding pop!) */
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#if __GNUC_PREREQ(4,1) && !defined(__CYGWIN__)
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# define PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN _Pragma("GCC visibility push(hidden)")
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# define POP_SAVED_FUNCTION_VISIBILITY _Pragma("GCC visibility pop")
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#else
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# define PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
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# define POP_SAVED_FUNCTION_VISIBILITY
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#endif
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/* gcc-2.95 had no va_copy but only __va_copy. */
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#if !__GNUC_PREREQ(3,0)
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# include <stdarg.h>
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# if !defined va_copy && defined __va_copy
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# define va_copy(d,s) __va_copy((d),(s))
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# endif
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#endif
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/* ---- Endian Detection ------------------------------------ */
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#include <limits.h>
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#if defined(__digital__) && defined(__unix__)
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# include <sex.h>
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#elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) \
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|| defined(__APPLE__)
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# include <sys/resource.h> /* rlimit */
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# include <machine/endian.h>
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# define bswap_64 __bswap64
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# define bswap_32 __bswap32
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# define bswap_16 __bswap16
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#else
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# include <byteswap.h>
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# include <endian.h>
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#endif
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#if defined(__BYTE_ORDER) && __BYTE_ORDER == __BIG_ENDIAN
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# define BB_BIG_ENDIAN 1
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# define BB_LITTLE_ENDIAN 0
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#elif defined(__BYTE_ORDER) && __BYTE_ORDER == __LITTLE_ENDIAN
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# define BB_BIG_ENDIAN 0
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# define BB_LITTLE_ENDIAN 1
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#elif defined(_BYTE_ORDER) && _BYTE_ORDER == _BIG_ENDIAN
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# define BB_BIG_ENDIAN 1
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# define BB_LITTLE_ENDIAN 0
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#elif defined(_BYTE_ORDER) && _BYTE_ORDER == _LITTLE_ENDIAN
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# define BB_BIG_ENDIAN 0
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# define BB_LITTLE_ENDIAN 1
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#elif defined(BYTE_ORDER) && BYTE_ORDER == BIG_ENDIAN
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# define BB_BIG_ENDIAN 1
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# define BB_LITTLE_ENDIAN 0
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#elif defined(BYTE_ORDER) && BYTE_ORDER == LITTLE_ENDIAN
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# define BB_BIG_ENDIAN 0
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# define BB_LITTLE_ENDIAN 1
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#elif defined(__386__)
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# define BB_BIG_ENDIAN 0
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# define BB_LITTLE_ENDIAN 1
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#else
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# error "Can't determine endianness"
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#endif
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#if ULONG_MAX > 0xffffffff
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/* inline 64-bit bswap only on 64-bit arches */
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# define bb_bswap_64(x) bswap_64(x)
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#endif
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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) bb_bswap_64(x)
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# define IF_BIG_ENDIAN(...) __VA_ARGS__
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# define IF_LITTLE_ENDIAN(...)
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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) bb_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 IF_BIG_ENDIAN(...)
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# define IF_LITTLE_ENDIAN(...) __VA_ARGS__
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#endif
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/* ---- Unaligned access ------------------------------------ */
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#include <stdint.h>
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typedef int bb__aliased_int FIX_ALIASING;
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typedef long bb__aliased_long FIX_ALIASING;
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typedef uint16_t bb__aliased_uint16_t FIX_ALIASING;
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typedef uint32_t bb__aliased_uint32_t FIX_ALIASING;
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typedef uint64_t bb__aliased_uint64_t FIX_ALIASING;
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/* NB: unaligned parameter should be a pointer, aligned one -
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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__) || defined(__powerpc__)
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# define BB_UNALIGNED_MEMACCESS_OK 1
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# define move_from_unaligned_int(v, intp) ((v) = *(bb__aliased_int*)(intp))
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# define move_from_unaligned_long(v, longp) ((v) = *(bb__aliased_long*)(longp))
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# define move_from_unaligned16(v, u16p) ((v) = *(bb__aliased_uint16_t*)(u16p))
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# define move_from_unaligned32(v, u32p) ((v) = *(bb__aliased_uint32_t*)(u32p))
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# define move_to_unaligned16(u16p, v) (*(bb__aliased_uint16_t*)(u16p) = (v))
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# define move_to_unaligned32(u32p, v) (*(bb__aliased_uint32_t*)(u32p) = (v))
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# define move_to_unaligned64(u64p, v) (*(bb__aliased_uint64_t*)(u64p) = (v))
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/* #elif ... - add your favorite arch today! */
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#else
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# define BB_UNALIGNED_MEMACCESS_OK 0
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/* performs reasonably well (gcc usually inlines memcpy here) */
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# define move_from_unaligned_int(v, intp) (memcpy(&(v), (intp), sizeof(int)))
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# define move_from_unaligned_long(v, longp) (memcpy(&(v), (longp), sizeof(long)))
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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_unaligned16(u16p, v) do { \
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uint16_t __t = (v); \
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memcpy((u16p), &__t, 2); \
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} while (0)
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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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# define move_to_unaligned64(u64p, v) do { \
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uint64_t __t = (v); \
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memcpy((u64p), &__t, 8); \
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} while (0)
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#endif
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/* Unaligned, fixed-endian accessors */
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#define get_unaligned_le32(buf) ({ uint32_t v; move_from_unaligned32(v, buf); SWAP_LE32(v); })
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#define get_unaligned_be32(buf) ({ uint32_t v; move_from_unaligned32(v, buf); SWAP_BE32(v); })
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#define put_unaligned_le32(val, buf) move_to_unaligned32(buf, SWAP_LE32(val))
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#define put_unaligned_be32(val, buf) move_to_unaligned32(buf, SWAP_BE32(val))
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/* unxz needs an aligned fixed-endian accessor.
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* (however, the compiler does not realize it's aligned, the cast is still necessary)
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*/
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#define get_le32(u32p) ({ uint32_t v = *(bb__aliased_uint32_t*)(u32p); SWAP_LE32(v); })
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/* ---- Size-saving "small" ints (arch-dependent) ----------- */
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#if defined(i386) || defined(__x86_64__) || defined(__mips__) || defined(__cris__)
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/* add other arches which benefit from this... */
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typedef signed char smallint;
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typedef unsigned char smalluint;
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#else
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/* for arches where byte accesses generate larger code: */
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typedef int smallint;
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typedef unsigned smalluint;
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#endif
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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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#else
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/* modern system, so use it */
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# include <stdbool.h>
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#endif
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/*----- Kernel versioning ------------------------------------*/
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#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
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#ifdef __UCLIBC__
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# define UCLIBC_VERSION KERNEL_VERSION(__UCLIBC_MAJOR__, __UCLIBC_MINOR__, __UCLIBC_SUBLEVEL__)
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#else
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# define UCLIBC_VERSION 0
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#endif
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/* ---- Miscellaneous --------------------------------------- */
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#if defined __GLIBC__ \
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|| defined __UCLIBC__ \
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|| defined __dietlibc__ \
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|| defined __BIONIC__ \
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|| defined _NEWLIB_VERSION
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# include <features.h>
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#endif
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/* Define bb_setpgrp */
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#if (defined(__digital__) && defined(__unix__)) || defined(__FreeBSD__)
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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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#else
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# define bb_setpgrp() setpgrp()
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#endif
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/* fdprintf is more readable, we used it before dprintf was standardized */
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#include <unistd.h>
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#define fdprintf dprintf
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/* Useful for defeating gcc's alignment of "char message[]"-like data */
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#if !defined(__s390__)
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/* on s390[x], non-word-aligned data accesses require larger code */
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# define ALIGN1 __attribute__((aligned(1)))
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# define ALIGN2 __attribute__((aligned(2)))
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# define ALIGN4 __attribute__((aligned(4)))
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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 ALIGN4
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#endif
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#define ALIGN8 __attribute__((aligned(8)))
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#define ALIGN_PTR __attribute__((aligned(sizeof(void*))))
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/*
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* For 0.9.29 and svn, __ARCH_USE_MMU__ indicates no-mmu reliably.
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* For earlier versions there is no reliable way to check if we are building
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* for a mmu-less system.
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*/
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#if ENABLE_NOMMU || \
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(defined __UCLIBC__ && \
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UCLIBC_VERSION > KERNEL_VERSION(0, 9, 28) && \
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!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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#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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#endif
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#if defined(__digital__) && defined(__unix__)
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|
# include <standards.h>
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|
# include <inttypes.h>
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|
# define PRIu32 "u"
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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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# if !defined ADJ_FREQUENCY && defined MOD_FREQUENCY
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# define ADJ_FREQUENCY MOD_FREQUENCY
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|
# endif
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# if !defined ADJ_TIMECONST && defined MOD_TIMECONST
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# define ADJ_TIMECONST MOD_TIMECONST
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|
# endif
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|
# if !defined ADJ_TICK && defined MOD_CLKB
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# define ADJ_TICK MOD_CLKB
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|
# endif
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|
#endif
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#if defined(__CYGWIN__)
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# define MAXSYMLINKS SYMLOOP_MAX
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|
#endif
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#if defined(ANDROID) || defined(__ANDROID__)
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|
# define BB_ADDITIONAL_PATH ":/system/sbin:/system/bin:/system/xbin"
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|
# define SYS_ioprio_set __NR_ioprio_set
|
|
# define SYS_ioprio_get __NR_ioprio_get
|
|
#endif
|
|
|
|
|
|
/* ---- Who misses what? ------------------------------------ */
|
|
|
|
/* Assume all these functions and header files exist by default.
|
|
* Platforms where it is not true will #undef them below.
|
|
*/
|
|
#define HAVE_CLEARENV 1
|
|
#define HAVE_FDATASYNC 1
|
|
#define HAVE_DPRINTF 1
|
|
#define HAVE_MEMRCHR 1
|
|
#define HAVE_MKDTEMP 1
|
|
#define HAVE_TTYNAME_R 1
|
|
#define HAVE_PTSNAME_R 1
|
|
#define HAVE_SETBIT 1
|
|
#define HAVE_SIGHANDLER_T 1
|
|
#define HAVE_STPCPY 1
|
|
#define HAVE_STPNCPY 1
|
|
#define HAVE_MEMPCPY 1
|
|
#define HAVE_STRCASESTR 1
|
|
#define HAVE_STRCHRNUL 1
|
|
#define HAVE_STRSEP 1
|
|
#define HAVE_STRSIGNAL 1
|
|
#define HAVE_STRVERSCMP 1
|
|
#define HAVE_VASPRINTF 1
|
|
#define HAVE_USLEEP 1
|
|
#define HAVE_UNLOCKED_STDIO 1
|
|
#define HAVE_UNLOCKED_LINE_OPS 1
|
|
#define HAVE_GETLINE 1
|
|
#define HAVE_XTABS 1
|
|
#define HAVE_MNTENT_H 1
|
|
#define HAVE_NET_ETHERNET_H 1
|
|
#define HAVE_SYS_STATFS_H 1
|
|
#define HAVE_PRINTF_PERCENTM 1
|
|
#define HAVE_WAIT3 1
|
|
|
|
#if defined(__UCLIBC__)
|
|
# if UCLIBC_VERSION < KERNEL_VERSION(0, 9, 32)
|
|
# undef HAVE_STRVERSCMP
|
|
# endif
|
|
# if UCLIBC_VERSION >= KERNEL_VERSION(0, 9, 30)
|
|
# ifndef __UCLIBC_SUSV3_LEGACY__
|
|
# undef HAVE_USLEEP
|
|
# endif
|
|
# endif
|
|
#endif
|
|
|
|
#if defined(__WATCOMC__)
|
|
# undef HAVE_DPRINTF
|
|
# undef HAVE_GETLINE
|
|
# undef HAVE_MEMRCHR
|
|
# undef HAVE_MKDTEMP
|
|
# undef HAVE_SETBIT
|
|
# undef HAVE_STPCPY
|
|
# undef HAVE_STPNCPY
|
|
# undef HAVE_STRCASESTR
|
|
# undef HAVE_STRCHRNUL
|
|
# undef HAVE_STRSEP
|
|
# undef HAVE_STRSIGNAL
|
|
# undef HAVE_STRVERSCMP
|
|
# undef HAVE_VASPRINTF
|
|
# undef HAVE_UNLOCKED_STDIO
|
|
# undef HAVE_UNLOCKED_LINE_OPS
|
|
# undef HAVE_NET_ETHERNET_H
|
|
#endif
|
|
|
|
#if defined(__CYGWIN__)
|
|
# undef HAVE_CLEARENV
|
|
# undef HAVE_FDPRINTF
|
|
# undef HAVE_MEMRCHR
|
|
# undef HAVE_PTSNAME_R
|
|
# undef HAVE_STRVERSCMP
|
|
# undef HAVE_UNLOCKED_LINE_OPS
|
|
#endif
|
|
|
|
/* These BSD-derived OSes share many similarities */
|
|
#if (defined __digital__ && defined __unix__) \
|
|
|| defined __APPLE__ \
|
|
|| defined __OpenBSD__ || defined __NetBSD__
|
|
# undef HAVE_CLEARENV
|
|
# undef HAVE_FDATASYNC
|
|
# undef HAVE_GETLINE
|
|
# undef HAVE_MNTENT_H
|
|
# undef HAVE_PTSNAME_R
|
|
# undef HAVE_SYS_STATFS_H
|
|
# undef HAVE_SIGHANDLER_T
|
|
# undef HAVE_STRVERSCMP
|
|
# undef HAVE_XTABS
|
|
# undef HAVE_DPRINTF
|
|
# undef HAVE_UNLOCKED_STDIO
|
|
# undef HAVE_UNLOCKED_LINE_OPS
|
|
# undef HAVE_PRINTF_PERCENTM
|
|
#endif
|
|
|
|
#if defined(__dietlibc__)
|
|
# undef HAVE_STRCHRNUL
|
|
#endif
|
|
|
|
#if defined(__APPLE__)
|
|
# undef HAVE_STRCHRNUL
|
|
#endif
|
|
|
|
#if defined(__FreeBSD__)
|
|
/* users say mempcpy is not present in FreeBSD 9.x */
|
|
# undef HAVE_MEMPCPY
|
|
# undef HAVE_CLEARENV
|
|
# undef HAVE_FDATASYNC
|
|
# undef HAVE_MNTENT_H
|
|
# undef HAVE_PTSNAME_R
|
|
# undef HAVE_SYS_STATFS_H
|
|
# undef HAVE_SIGHANDLER_T
|
|
# undef HAVE_STRVERSCMP
|
|
# undef HAVE_XTABS
|
|
# undef HAVE_UNLOCKED_LINE_OPS
|
|
# undef HAVE_PRINTF_PERCENTM
|
|
# include <osreldate.h>
|
|
# if __FreeBSD_version < 1000029
|
|
# undef HAVE_STRCHRNUL /* FreeBSD added strchrnul() between 1000028 and 1000029 */
|
|
# endif
|
|
#endif
|
|
|
|
#if defined(__NetBSD__)
|
|
# define HAVE_GETLINE 1 /* Recent NetBSD versions have getline() */
|
|
#endif
|
|
|
|
#if defined(__digital__) && defined(__unix__)
|
|
# undef HAVE_STPCPY
|
|
# undef HAVE_STPNCPY
|
|
#endif
|
|
|
|
#if defined(ANDROID) || defined(__ANDROID__)
|
|
# if __ANDROID_API__ < 8
|
|
/* ANDROID < 8 has no [f]dprintf at all */
|
|
# undef HAVE_DPRINTF
|
|
# elif __ANDROID_API__ < 21
|
|
/* ANDROID < 21 has fdprintf */
|
|
# define dprintf fdprintf
|
|
# else
|
|
/* ANDROID >= 21 has standard dprintf */
|
|
# endif
|
|
# if __ANDROID_API__ < 21
|
|
# undef HAVE_TTYNAME_R
|
|
# undef HAVE_GETLINE
|
|
# undef HAVE_STPCPY
|
|
# undef HAVE_STPNCPY
|
|
# endif
|
|
# if __ANDROID_API__ >= 21
|
|
# undef HAVE_WAIT3
|
|
# endif
|
|
# undef HAVE_MEMPCPY
|
|
# undef HAVE_STRCHRNUL
|
|
# undef HAVE_STRVERSCMP
|
|
# undef HAVE_UNLOCKED_LINE_OPS
|
|
# undef HAVE_NET_ETHERNET_H
|
|
# undef HAVE_PRINTF_PERCENTM
|
|
#endif
|
|
|
|
/*
|
|
* Now, define prototypes for all the functions defined in platform.c
|
|
* These must come after all the HAVE_* macros are defined (or not)
|
|
*/
|
|
|
|
#ifndef HAVE_DPRINTF
|
|
extern int dprintf(int fd, const char *format, ...);
|
|
#endif
|
|
|
|
#ifndef HAVE_MEMRCHR
|
|
extern void *memrchr(const void *s, int c, size_t n) FAST_FUNC;
|
|
#endif
|
|
|
|
#ifndef HAVE_MKDTEMP
|
|
extern char *mkdtemp(char *template) FAST_FUNC;
|
|
#endif
|
|
|
|
#ifndef HAVE_TTYNAME_R
|
|
#define ttyname_r bb_ttyname_r
|
|
extern int ttyname_r(int fd, char *buf, size_t buflen);
|
|
#endif
|
|
|
|
#ifndef HAVE_SETBIT
|
|
# define setbit(a, b) ((a)[(b) >> 3] |= 1 << ((b) & 7))
|
|
# define clrbit(a, b) ((a)[(b) >> 3] &= ~(1 << ((b) & 7)))
|
|
#endif
|
|
|
|
#ifndef HAVE_SIGHANDLER_T
|
|
typedef void (*sighandler_t)(int);
|
|
#endif
|
|
|
|
#ifndef HAVE_STPCPY
|
|
extern char *stpcpy(char *p, const char *to_add) FAST_FUNC;
|
|
#endif
|
|
|
|
#ifndef HAVE_STPNCPY
|
|
extern char *stpncpy(char *p, const char *to_add, size_t n) FAST_FUNC;
|
|
#endif
|
|
|
|
#ifndef HAVE_MEMPCPY
|
|
#include <string.h>
|
|
/* In case we are wrong about !HAVE_MEMPCPY, and toolchain _does_ have
|
|
* mempcpy(), avoid colliding with it:
|
|
*/
|
|
#define mempcpy bb__mempcpy
|
|
static ALWAYS_INLINE void *mempcpy(void *dest, const void *src, size_t len)
|
|
{
|
|
return memcpy(dest, src, len) + len;
|
|
}
|
|
#endif
|
|
|
|
#ifndef HAVE_STRCASESTR
|
|
extern char *strcasestr(const char *s, const char *pattern) FAST_FUNC;
|
|
#endif
|
|
|
|
#ifndef HAVE_STRCHRNUL
|
|
extern char *strchrnul(const char *s, int c) FAST_FUNC;
|
|
#endif
|
|
|
|
#ifndef HAVE_STRSEP
|
|
extern char *strsep(char **stringp, const char *delim) FAST_FUNC;
|
|
#endif
|
|
|
|
#ifndef HAVE_STRSIGNAL
|
|
/* Not exactly the same: instead of "Stopped" it shows "STOP" etc */
|
|
# define strsignal(sig) get_signame(sig)
|
|
#endif
|
|
|
|
#ifndef HAVE_USLEEP
|
|
extern int usleep(unsigned) FAST_FUNC;
|
|
#endif
|
|
|
|
#ifndef HAVE_VASPRINTF
|
|
extern int vasprintf(char **string_ptr, const char *format, va_list p) FAST_FUNC;
|
|
#endif
|
|
|
|
#ifndef HAVE_GETLINE
|
|
# include <stdio.h> /* for FILE */
|
|
# include <sys/types.h> /* size_t */
|
|
extern ssize_t getline(char **lineptr, size_t *n, FILE *stream) FAST_FUNC;
|
|
#endif
|
|
|
|
#endif
|