|
- #!/usr/bin/env bash
- # Copyright 2009 The Go Authors. All rights reserved.
- # Use of this source code is governed by a BSD-style
- # license that can be found in the LICENSE file.
-
- # Generate Go code listing errors and other #defined constant
- # values (ENAMETOOLONG etc.), by asking the preprocessor
- # about the definitions.
-
- unset LANG
- export LC_ALL=C
- export LC_CTYPE=C
-
- if test -z "$GOARCH" -o -z "$GOOS"; then
- echo 1>&2 "GOARCH or GOOS not defined in environment"
- exit 1
- fi
-
- # Check that we are using the new build system if we should
- if [[ "$GOOS" = "linux" ]] && [[ "$GOLANG_SYS_BUILD" != "docker" ]]; then
- echo 1>&2 "In the Docker based build system, mkerrors should not be called directly."
- echo 1>&2 "See README.md"
- exit 1
- fi
-
- if [[ "$GOOS" = "aix" ]]; then
- CC=${CC:-gcc}
- else
- CC=${CC:-cc}
- fi
-
- if [[ "$GOOS" = "solaris" ]]; then
- # Assumes GNU versions of utilities in PATH.
- export PATH=/usr/gnu/bin:$PATH
- fi
-
- uname=$(uname)
-
- includes_AIX='
- #include <net/if.h>
- #include <net/netopt.h>
- #include <netinet/ip_mroute.h>
- #include <sys/protosw.h>
- #include <sys/stropts.h>
- #include <sys/mman.h>
- #include <sys/poll.h>
- #include <sys/termio.h>
- #include <termios.h>
- #include <fcntl.h>
-
- #define AF_LOCAL AF_UNIX
- '
-
- includes_Darwin='
- #define _DARWIN_C_SOURCE
- #define KERNEL
- #define _DARWIN_USE_64_BIT_INODE
- #include <stdint.h>
- #include <sys/attr.h>
- #include <sys/types.h>
- #include <sys/event.h>
- #include <sys/ptrace.h>
- #include <sys/socket.h>
- #include <sys/sockio.h>
- #include <sys/sysctl.h>
- #include <sys/mman.h>
- #include <sys/mount.h>
- #include <sys/utsname.h>
- #include <sys/wait.h>
- #include <sys/xattr.h>
- #include <net/bpf.h>
- #include <net/if.h>
- #include <net/if_types.h>
- #include <net/route.h>
- #include <netinet/in.h>
- #include <netinet/ip.h>
- #include <termios.h>
- '
-
- includes_DragonFly='
- #include <sys/types.h>
- #include <sys/event.h>
- #include <sys/socket.h>
- #include <sys/sockio.h>
- #include <sys/stat.h>
- #include <sys/sysctl.h>
- #include <sys/mman.h>
- #include <sys/mount.h>
- #include <sys/wait.h>
- #include <sys/ioctl.h>
- #include <net/bpf.h>
- #include <net/if.h>
- #include <net/if_types.h>
- #include <net/route.h>
- #include <netinet/in.h>
- #include <termios.h>
- #include <netinet/ip.h>
- #include <net/ip_mroute/ip_mroute.h>
- '
-
- includes_FreeBSD='
- #include <sys/capsicum.h>
- #include <sys/param.h>
- #include <sys/types.h>
- #include <sys/event.h>
- #include <sys/socket.h>
- #include <sys/sockio.h>
- #include <sys/stat.h>
- #include <sys/sysctl.h>
- #include <sys/mman.h>
- #include <sys/mount.h>
- #include <sys/wait.h>
- #include <sys/ioctl.h>
- #include <net/bpf.h>
- #include <net/if.h>
- #include <net/if_types.h>
- #include <net/route.h>
- #include <netinet/in.h>
- #include <termios.h>
- #include <netinet/ip.h>
- #include <netinet/ip_mroute.h>
- #include <sys/extattr.h>
-
- #if __FreeBSD__ >= 10
- #define IFT_CARP 0xf8 // IFT_CARP is deprecated in FreeBSD 10
- #undef SIOCAIFADDR
- #define SIOCAIFADDR _IOW(105, 26, struct oifaliasreq) // ifaliasreq contains if_data
- #undef SIOCSIFPHYADDR
- #define SIOCSIFPHYADDR _IOW(105, 70, struct oifaliasreq) // ifaliasreq contains if_data
- #endif
- '
-
- includes_Linux='
- #define _LARGEFILE_SOURCE
- #define _LARGEFILE64_SOURCE
- #ifndef __LP64__
- #define _FILE_OFFSET_BITS 64
- #endif
- #define _GNU_SOURCE
-
- // <sys/ioctl.h> is broken on powerpc64, as it fails to include definitions of
- // these structures. We just include them copied from <bits/termios.h>.
- #if defined(__powerpc__)
- struct sgttyb {
- char sg_ispeed;
- char sg_ospeed;
- char sg_erase;
- char sg_kill;
- short sg_flags;
- };
-
- struct tchars {
- char t_intrc;
- char t_quitc;
- char t_startc;
- char t_stopc;
- char t_eofc;
- char t_brkc;
- };
-
- struct ltchars {
- char t_suspc;
- char t_dsuspc;
- char t_rprntc;
- char t_flushc;
- char t_werasc;
- char t_lnextc;
- };
- #endif
-
- #include <bits/sockaddr.h>
- #include <sys/epoll.h>
- #include <sys/eventfd.h>
- #include <sys/inotify.h>
- #include <sys/ioctl.h>
- #include <sys/mman.h>
- #include <sys/mount.h>
- #include <sys/prctl.h>
- #include <sys/stat.h>
- #include <sys/types.h>
- #include <sys/time.h>
- #include <sys/signalfd.h>
- #include <sys/socket.h>
- #include <sys/xattr.h>
- #include <linux/bpf.h>
- #include <linux/capability.h>
- #include <linux/errqueue.h>
- #include <linux/if.h>
- #include <linux/if_alg.h>
- #include <linux/if_arp.h>
- #include <linux/if_ether.h>
- #include <linux/if_ppp.h>
- #include <linux/if_tun.h>
- #include <linux/if_packet.h>
- #include <linux/if_addr.h>
- #include <linux/falloc.h>
- #include <linux/fanotify.h>
- #include <linux/filter.h>
- #include <linux/fs.h>
- #include <linux/kexec.h>
- #include <linux/keyctl.h>
- #include <linux/loop.h>
- #include <linux/magic.h>
- #include <linux/memfd.h>
- #include <linux/module.h>
- #include <linux/netfilter/nfnetlink.h>
- #include <linux/netlink.h>
- #include <linux/net_namespace.h>
- #include <linux/nsfs.h>
- #include <linux/perf_event.h>
- #include <linux/random.h>
- #include <linux/reboot.h>
- #include <linux/rtnetlink.h>
- #include <linux/ptrace.h>
- #include <linux/sched.h>
- #include <linux/seccomp.h>
- #include <linux/sockios.h>
- #include <linux/wait.h>
- #include <linux/icmpv6.h>
- #include <linux/serial.h>
- #include <linux/can.h>
- #include <linux/vm_sockets.h>
- #include <linux/taskstats.h>
- #include <linux/genetlink.h>
- #include <linux/watchdog.h>
- #include <linux/hdreg.h>
- #include <linux/rtc.h>
- #include <linux/if_xdp.h>
- #include <linux/cryptouser.h>
- #include <linux/tipc.h>
- #include <mtd/ubi-user.h>
- #include <net/route.h>
-
- #if defined(__sparc__)
- // On sparc{,64}, the kernel defines struct termios2 itself which clashes with the
- // definition in glibc. As only the error constants are needed here, include the
- // generic termibits.h (which is included by termbits.h on sparc).
- #include <asm-generic/termbits.h>
- #else
- #include <asm/termbits.h>
- #endif
-
- #ifndef MSG_FASTOPEN
- #define MSG_FASTOPEN 0x20000000
- #endif
-
- #ifndef PTRACE_GETREGS
- #define PTRACE_GETREGS 0xc
- #endif
-
- #ifndef PTRACE_SETREGS
- #define PTRACE_SETREGS 0xd
- #endif
-
- #ifndef SOL_NETLINK
- #define SOL_NETLINK 270
- #endif
-
- #ifdef SOL_BLUETOOTH
- // SPARC includes this in /usr/include/sparc64-linux-gnu/bits/socket.h
- // but it is already in bluetooth_linux.go
- #undef SOL_BLUETOOTH
- #endif
-
- // Certain constants are missing from the fs/crypto UAPI
- #define FS_KEY_DESC_PREFIX "fscrypt:"
- #define FS_KEY_DESC_PREFIX_SIZE 8
- #define FS_MAX_KEY_SIZE 64
- '
-
- includes_NetBSD='
- #include <sys/types.h>
- #include <sys/param.h>
- #include <sys/event.h>
- #include <sys/extattr.h>
- #include <sys/mman.h>
- #include <sys/mount.h>
- #include <sys/socket.h>
- #include <sys/sockio.h>
- #include <sys/sysctl.h>
- #include <sys/termios.h>
- #include <sys/ttycom.h>
- #include <sys/wait.h>
- #include <net/bpf.h>
- #include <net/if.h>
- #include <net/if_types.h>
- #include <net/route.h>
- #include <netinet/in.h>
- #include <netinet/in_systm.h>
- #include <netinet/ip.h>
- #include <netinet/ip_mroute.h>
- #include <netinet/if_ether.h>
-
- // Needed since <sys/param.h> refers to it...
- #define schedppq 1
- '
-
- includes_OpenBSD='
- #include <sys/types.h>
- #include <sys/param.h>
- #include <sys/event.h>
- #include <sys/mman.h>
- #include <sys/mount.h>
- #include <sys/socket.h>
- #include <sys/sockio.h>
- #include <sys/stat.h>
- #include <sys/sysctl.h>
- #include <sys/termios.h>
- #include <sys/ttycom.h>
- #include <sys/unistd.h>
- #include <sys/wait.h>
- #include <net/bpf.h>
- #include <net/if.h>
- #include <net/if_types.h>
- #include <net/if_var.h>
- #include <net/route.h>
- #include <netinet/in.h>
- #include <netinet/in_systm.h>
- #include <netinet/ip.h>
- #include <netinet/ip_mroute.h>
- #include <netinet/if_ether.h>
- #include <net/if_bridge.h>
-
- // We keep some constants not supported in OpenBSD 5.5 and beyond for
- // the promise of compatibility.
- #define EMUL_ENABLED 0x1
- #define EMUL_NATIVE 0x2
- #define IPV6_FAITH 0x1d
- #define IPV6_OPTIONS 0x1
- #define IPV6_RTHDR_STRICT 0x1
- #define IPV6_SOCKOPT_RESERVED1 0x3
- #define SIOCGIFGENERIC 0xc020693a
- #define SIOCSIFGENERIC 0x80206939
- #define WALTSIG 0x4
- '
-
- includes_SunOS='
- #include <limits.h>
- #include <sys/types.h>
- #include <sys/socket.h>
- #include <sys/sockio.h>
- #include <sys/stat.h>
- #include <sys/mman.h>
- #include <sys/wait.h>
- #include <sys/ioctl.h>
- #include <sys/mkdev.h>
- #include <net/bpf.h>
- #include <net/if.h>
- #include <net/if_arp.h>
- #include <net/if_types.h>
- #include <net/route.h>
- #include <netinet/in.h>
- #include <termios.h>
- #include <netinet/ip.h>
- #include <netinet/ip_mroute.h>
- '
-
-
- includes='
- #include <sys/types.h>
- #include <sys/file.h>
- #include <fcntl.h>
- #include <dirent.h>
- #include <sys/socket.h>
- #include <netinet/in.h>
- #include <netinet/ip.h>
- #include <netinet/ip6.h>
- #include <netinet/tcp.h>
- #include <errno.h>
- #include <sys/signal.h>
- #include <signal.h>
- #include <sys/resource.h>
- #include <time.h>
- '
- ccflags="$@"
-
- # Write go tool cgo -godefs input.
- (
- echo package unix
- echo
- echo '/*'
- indirect="includes_$(uname)"
- echo "${!indirect} $includes"
- echo '*/'
- echo 'import "C"'
- echo 'import "syscall"'
- echo
- echo 'const ('
-
- # The gcc command line prints all the #defines
- # it encounters while processing the input
- echo "${!indirect} $includes" | $CC -x c - -E -dM $ccflags |
- awk '
- $1 != "#define" || $2 ~ /\(/ || $3 == "" {next}
-
- $2 ~ /^E([ABCD]X|[BIS]P|[SD]I|S|FL)$/ {next} # 386 registers
- $2 ~ /^(SIGEV_|SIGSTKSZ|SIGRT(MIN|MAX))/ {next}
- $2 ~ /^(SCM_SRCRT)$/ {next}
- $2 ~ /^(MAP_FAILED)$/ {next}
- $2 ~ /^ELF_.*$/ {next}# <asm/elf.h> contains ELF_ARCH, etc.
-
- $2 ~ /^EXTATTR_NAMESPACE_NAMES/ ||
- $2 ~ /^EXTATTR_NAMESPACE_[A-Z]+_STRING/ {next}
-
- $2 !~ /^ECCAPBITS/ &&
- $2 !~ /^ETH_/ &&
- $2 !~ /^EPROC_/ &&
- $2 !~ /^EQUIV_/ &&
- $2 !~ /^EXPR_/ &&
- $2 ~ /^E[A-Z0-9_]+$/ ||
- $2 ~ /^B[0-9_]+$/ ||
- $2 ~ /^(OLD|NEW)DEV$/ ||
- $2 == "BOTHER" ||
- $2 ~ /^CI?BAUD(EX)?$/ ||
- $2 == "IBSHIFT" ||
- $2 ~ /^V[A-Z0-9]+$/ ||
- $2 ~ /^CS[A-Z0-9]/ ||
- $2 ~ /^I(SIG|CANON|CRNL|UCLC|EXTEN|MAXBEL|STRIP|UTF8)$/ ||
- $2 ~ /^IGN/ ||
- $2 ~ /^IX(ON|ANY|OFF)$/ ||
- $2 ~ /^IN(LCR|PCK)$/ ||
- $2 !~ "X86_CR3_PCID_NOFLUSH" &&
- $2 ~ /(^FLU?SH)|(FLU?SH$)/ ||
- $2 ~ /^C(LOCAL|READ|MSPAR|RTSCTS)$/ ||
- $2 == "BRKINT" ||
- $2 == "HUPCL" ||
- $2 == "PENDIN" ||
- $2 == "TOSTOP" ||
- $2 == "XCASE" ||
- $2 == "ALTWERASE" ||
- $2 == "NOKERNINFO" ||
- $2 ~ /^PAR/ ||
- $2 ~ /^SIG[^_]/ ||
- $2 ~ /^O[CNPFPL][A-Z]+[^_][A-Z]+$/ ||
- $2 ~ /^(NL|CR|TAB|BS|VT|FF)DLY$/ ||
- $2 ~ /^(NL|CR|TAB|BS|VT|FF)[0-9]$/ ||
- $2 ~ /^O?XTABS$/ ||
- $2 ~ /^TC[IO](ON|OFF)$/ ||
- $2 ~ /^IN_/ ||
- $2 ~ /^LOCK_(SH|EX|NB|UN)$/ ||
- $2 ~ /^LO_(KEY|NAME)_SIZE$/ ||
- $2 ~ /^LOOP_(CLR|CTL|GET|SET)_/ ||
- $2 ~ /^(AF|SOCK|SO|SOL|IPPROTO|IP|IPV6|ICMP6|TCP|MCAST|EVFILT|NOTE|EV|SHUT|PROT|MAP|MFD|T?PACKET|MSG|SCM|MCL|DT|MADV|PR)_/ ||
- $2 ~ /^TP_STATUS_/ ||
- $2 ~ /^FALLOC_/ ||
- $2 == "ICMPV6_FILTER" ||
- $2 == "SOMAXCONN" ||
- $2 == "NAME_MAX" ||
- $2 == "IFNAMSIZ" ||
- $2 ~ /^CTL_(HW|KERN|MAXNAME|NET|QUERY)$/ ||
- $2 ~ /^KERN_(HOSTNAME|OS(RELEASE|TYPE)|VERSION)$/ ||
- $2 ~ /^HW_MACHINE$/ ||
- $2 ~ /^SYSCTL_VERS/ ||
- $2 !~ "MNT_BITS" &&
- $2 ~ /^(MS|MNT|UMOUNT)_/ ||
- $2 ~ /^NS_GET_/ ||
- $2 ~ /^TUN(SET|GET|ATTACH|DETACH)/ ||
- $2 ~ /^(O|F|[ES]?FD|NAME|S|PTRACE|PT)_/ ||
- $2 ~ /^KEXEC_/ ||
- $2 ~ /^LINUX_REBOOT_CMD_/ ||
- $2 ~ /^LINUX_REBOOT_MAGIC[12]$/ ||
- $2 ~ /^MODULE_INIT_/ ||
- $2 !~ "NLA_TYPE_MASK" &&
- $2 ~ /^(NETLINK|NLM|NLMSG|NLA|IFA|IFAN|RT|RTC|RTCF|RTN|RTPROT|RTNH|ARPHRD|ETH_P|NETNSA)_/ ||
- $2 ~ /^SIOC/ ||
- $2 ~ /^TIOC/ ||
- $2 ~ /^TCGET/ ||
- $2 ~ /^TCSET/ ||
- $2 ~ /^TC(FLSH|SBRKP?|XONC)$/ ||
- $2 !~ "RTF_BITS" &&
- $2 ~ /^(IFF|IFT|NET_RT|RTM|RTF|RTV|RTA|RTAX)_/ ||
- $2 ~ /^BIOC/ ||
- $2 ~ /^RUSAGE_(SELF|CHILDREN|THREAD)/ ||
- $2 ~ /^RLIMIT_(AS|CORE|CPU|DATA|FSIZE|LOCKS|MEMLOCK|MSGQUEUE|NICE|NOFILE|NPROC|RSS|RTPRIO|RTTIME|SIGPENDING|STACK)|RLIM_INFINITY/ ||
- $2 ~ /^PRIO_(PROCESS|PGRP|USER)/ ||
- $2 ~ /^CLONE_[A-Z_]+/ ||
- $2 !~ /^(BPF_TIMEVAL|BPF_FIB_LOOKUP_[A-Z]+)$/ &&
- $2 ~ /^(BPF|DLT)_/ ||
- $2 ~ /^(CLOCK|TIMER)_/ ||
- $2 ~ /^CAN_/ ||
- $2 ~ /^CAP_/ ||
- $2 ~ /^ALG_/ ||
- $2 ~ /^FS_(POLICY_FLAGS|KEY_DESC|ENCRYPTION_MODE|[A-Z0-9_]+_KEY_SIZE|IOC_(GET|SET)_ENCRYPTION)/ ||
- $2 ~ /^GRND_/ ||
- $2 ~ /^RND/ ||
- $2 ~ /^KEY_(SPEC|REQKEY_DEFL)_/ ||
- $2 ~ /^KEYCTL_/ ||
- $2 ~ /^PERF_EVENT_IOC_/ ||
- $2 ~ /^SECCOMP_MODE_/ ||
- $2 ~ /^SPLICE_/ ||
- $2 ~ /^SYNC_FILE_RANGE_/ ||
- $2 !~ /^AUDIT_RECORD_MAGIC/ &&
- $2 !~ /IOC_MAGIC/ &&
- $2 ~ /^[A-Z][A-Z0-9_]+_MAGIC2?$/ ||
- $2 ~ /^(VM|VMADDR)_/ ||
- $2 ~ /^IOCTL_VM_SOCKETS_/ ||
- $2 ~ /^(TASKSTATS|TS)_/ ||
- $2 ~ /^CGROUPSTATS_/ ||
- $2 ~ /^GENL_/ ||
- $2 ~ /^STATX_/ ||
- $2 ~ /^RENAME/ ||
- $2 ~ /^UBI_IOC[A-Z]/ ||
- $2 ~ /^UTIME_/ ||
- $2 ~ /^XATTR_(CREATE|REPLACE|NO(DEFAULT|FOLLOW|SECURITY)|SHOWCOMPRESSION)/ ||
- $2 ~ /^ATTR_(BIT_MAP_COUNT|(CMN|VOL|FILE)_)/ ||
- $2 ~ /^FSOPT_/ ||
- $2 ~ /^WDIOC_/ ||
- $2 ~ /^NFN/ ||
- $2 ~ /^XDP_/ ||
- $2 ~ /^(HDIO|WIN|SMART)_/ ||
- $2 ~ /^CRYPTO_/ ||
- $2 ~ /^TIPC_/ ||
- $2 !~ "WMESGLEN" &&
- $2 ~ /^W[A-Z0-9]+$/ ||
- $2 ~/^PPPIOC/ ||
- $2 ~ /^FAN_|FANOTIFY_/ ||
- $2 ~ /^BLK[A-Z]*(GET$|SET$|BUF$|PART$|SIZE)/ {printf("\t%s = C.%s\n", $2, $2)}
- $2 ~ /^__WCOREFLAG$/ {next}
- $2 ~ /^__W[A-Z0-9]+$/ {printf("\t%s = C.%s\n", substr($2,3), $2)}
-
- {next}
- ' | sort
-
- echo ')'
- ) >_const.go
-
- # Pull out the error names for later.
- errors=$(
- echo '#include <errno.h>' | $CC -x c - -E -dM $ccflags |
- awk '$1=="#define" && $2 ~ /^E[A-Z0-9_]+$/ { print $2 }' |
- sort
- )
-
- # Pull out the signal names for later.
- signals=$(
- echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags |
- awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print $2 }' |
- egrep -v '(SIGSTKSIZE|SIGSTKSZ|SIGRT|SIGMAX64)' |
- sort
- )
-
- # Again, writing regexps to a file.
- echo '#include <errno.h>' | $CC -x c - -E -dM $ccflags |
- awk '$1=="#define" && $2 ~ /^E[A-Z0-9_]+$/ { print "^\t" $2 "[ \t]*=" }' |
- sort >_error.grep
- echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags |
- awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print "^\t" $2 "[ \t]*=" }' |
- egrep -v '(SIGSTKSIZE|SIGSTKSZ|SIGRT|SIGMAX64)' |
- sort >_signal.grep
-
- echo '// mkerrors.sh' "$@"
- echo '// Code generated by the command above; see README.md. DO NOT EDIT.'
- echo
- echo "// +build ${GOARCH},${GOOS}"
- echo
- go tool cgo -godefs -- "$@" _const.go >_error.out
- cat _error.out | grep -vf _error.grep | grep -vf _signal.grep
- echo
- echo '// Errors'
- echo 'const ('
- cat _error.out | grep -f _error.grep | sed 's/=\(.*\)/= syscall.Errno(\1)/'
- echo ')'
-
- echo
- echo '// Signals'
- echo 'const ('
- cat _error.out | grep -f _signal.grep | sed 's/=\(.*\)/= syscall.Signal(\1)/'
- echo ')'
-
- # Run C program to print error and syscall strings.
- (
- echo -E "
- #include <stdio.h>
- #include <stdlib.h>
- #include <errno.h>
- #include <ctype.h>
- #include <string.h>
- #include <signal.h>
-
- #define nelem(x) (sizeof(x)/sizeof((x)[0]))
-
- enum { A = 'A', Z = 'Z', a = 'a', z = 'z' }; // avoid need for single quotes below
-
- struct tuple {
- int num;
- const char *name;
- };
-
- struct tuple errors[] = {
- "
- for i in $errors
- do
- echo -E ' {'$i', "'$i'" },'
- done
-
- echo -E "
- };
-
- struct tuple signals[] = {
- "
- for i in $signals
- do
- echo -E ' {'$i', "'$i'" },'
- done
-
- # Use -E because on some systems bash builtin interprets \n itself.
- echo -E '
- };
-
- static int
- tuplecmp(const void *a, const void *b)
- {
- return ((struct tuple *)a)->num - ((struct tuple *)b)->num;
- }
-
- int
- main(void)
- {
- int i, e;
- char buf[1024], *p;
-
- printf("\n\n// Error table\n");
- printf("var errorList = [...]struct {\n");
- printf("\tnum syscall.Errno\n");
- printf("\tname string\n");
- printf("\tdesc string\n");
- printf("} {\n");
- qsort(errors, nelem(errors), sizeof errors[0], tuplecmp);
- for(i=0; i<nelem(errors); i++) {
- e = errors[i].num;
- if(i > 0 && errors[i-1].num == e)
- continue;
- strcpy(buf, strerror(e));
- // lowercase first letter: Bad -> bad, but STREAM -> STREAM.
- if(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z)
- buf[0] += a - A;
- printf("\t{ %d, \"%s\", \"%s\" },\n", e, errors[i].name, buf);
- }
- printf("}\n\n");
-
- printf("\n\n// Signal table\n");
- printf("var signalList = [...]struct {\n");
- printf("\tnum syscall.Signal\n");
- printf("\tname string\n");
- printf("\tdesc string\n");
- printf("} {\n");
- qsort(signals, nelem(signals), sizeof signals[0], tuplecmp);
- for(i=0; i<nelem(signals); i++) {
- e = signals[i].num;
- if(i > 0 && signals[i-1].num == e)
- continue;
- strcpy(buf, strsignal(e));
- // lowercase first letter: Bad -> bad, but STREAM -> STREAM.
- if(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z)
- buf[0] += a - A;
- // cut trailing : number.
- p = strrchr(buf, ":"[0]);
- if(p)
- *p = '\0';
- printf("\t{ %d, \"%s\", \"%s\" },\n", e, signals[i].name, buf);
- }
- printf("}\n\n");
-
- return 0;
- }
-
- '
- ) >_errors.c
-
- $CC $ccflags -o _errors _errors.c && $GORUN ./_errors && rm -f _errors.c _errors _const.go _error.grep _signal.grep _error.out
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