meta: move photon/libc to root
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152
libc/string/strerror.c
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152
libc/string/strerror.c
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#include <string.h>
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#include <stdio.h>
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#include <errno.h>
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static const char *sys_errlist[] = {
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[EPERM] = "Operation not permitted",
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[ENOENT] = "No such file or directory",
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[ESRCH] = "No such process",
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[EINTR] = "Interrupted system call",
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[EIO] = "Input/output error",
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[ENXIO] = "No such device or address",
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[E2BIG] = "Argument list too long",
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[ENOEXEC] = "Exec format error",
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[EBADF] = "Bad file descriptor",
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[ECHILD] = "No child processes",
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[EAGAIN] = "Resource temporarily unavailable",
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[ENOMEM] = "Cannot allocate memory",
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[EACCES] = "Permission denied",
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[EFAULT] = "Bad address",
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[ENOTBLK] = "Block device required",
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[EBUSY] = "Device or resource busy",
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[EEXIST] = "File exists",
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[EXDEV] = "Invalid cross-device link",
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[ENODEV] = "No such device",
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[ENOTDIR] = "Not a directory",
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[EISDIR] = "Is a directory",
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[EINVAL] = "Invalid argument",
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[ENFILE] = "Too many open files in system",
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[EMFILE] = "Too many open files",
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[ENOTTY] = "Inappropriate ioctl for device",
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[ETXTBSY] = "Text file busy",
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[EFBIG] = "File too large",
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[ENOSPC] = "No space left on device",
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[ESPIPE] = "Illegal seek",
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[EROFS] = "Read-only file system",
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[EMLINK] = "Too many links",
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[EPIPE] = "Broken pipe",
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[EDOM] = "Numerical argument out of domain",
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[ERANGE] = "Numerical result out of range",
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[EDEADLK] = "Resource deadlock avoided",
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[ENAMETOOLONG] = "File name too long",
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[ENOLCK] = "No locks available",
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[ENOSYS] = "Function not implemented",
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[ENOTEMPTY] = "Directory not empty",
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[ELOOP] = "Too many levels of symbolic links",
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[ENOMSG] = "No message of desired type",
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[EIDRM] = "Identifier removed",
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[ECHRNG] = "Channel number out of range",
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[EL2NSYNC] = "Level 2 not synchronized",
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[EL3HLT] = "Level 3 halted",
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[EL3RST] = "Level 3 reset",
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[ELNRNG] = "Link number out of range",
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[EUNATCH] = "Protocol driver not attached",
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[ENOCSI] = "No CSI structure available",
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[EL2HLT] = "Level 2 halted",
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[EBADE] = "Invalid exchange",
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[EBADR] = "Invalid request descriptor",
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[EXFULL] = "Exchange full",
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[ENOANO] = "No anode",
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[EBADRQC] = "Invalid request code",
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[EBADSLT] = "Invalid slot",
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[EBFONT] = "Bad font file format",
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[ENOSTR] = "Device not a stream",
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[ENODATA] = "No data available",
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[ETIME] = "Timer expired",
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[ENOSR] = "Out of streams resources",
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[ENONET] = "Machine is not on the network",
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[ENOPKG] = "Package not installed",
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[EREMOTE] = "Object is remote",
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[ENOLINK] = "Link has been severed",
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[EADV] = "Advertise error",
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[ESRMNT] = "Srmount error",
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[ECOMM] = "Communication error on send",
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[EPROTO] = "Protocol error",
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[EMULTIHOP] = "Multihop attempted",
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[EDOTDOT] = "RFS specific error",
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[EBADMSG] = "Bad message",
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[EOVERFLOW] = "Value too large for defined data type",
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[ENOTUNIQ] = "Name not unique on network",
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[EBADFD] = "File descriptor in bad state",
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[EREMCHG] = "Remote address changed",
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[ELIBACC] = "Can not access a needed shared library",
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[ELIBBAD] = "Accessing a corrupted shared library",
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[ELIBSCN] = ".lib section in a.out corrupted",
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[ELIBMAX] = "Attempting to link in too many shared libraries",
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[ELIBEXEC] = "Cannot exec a shared library directly",
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[EILSEQ] = "Invalid or incomplete multibyte or wide character",
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[ERESTART] = "Interrupted system call should be restarted",
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[ESTRPIPE] = "Streams pipe error",
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[EUSERS] = "Too many users",
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[ENOTSOCK] = "Socket operation on non-socket",
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[EDESTADDRREQ] = "Destination address required",
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[EMSGSIZE] = "Message too long",
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[EPROTOTYPE] = "Protocol wrong type for socket",
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[ENOPROTOOPT] = "Protocol not available",
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[EPROTONOSUPPORT] = "Protocol not supported",
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[ESOCKTNOSUPPORT] = "Socket type not supported",
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[ENOTSUP] = "Operation not supported",
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[EPFNOSUPPORT] = "Protocol family not supported",
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[EAFNOSUPPORT] = "Address family not supported by protocol",
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[EADDRINUSE] = "Address already in use",
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[EADDRNOTAVAIL] = "Cannot assign requested address",
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[ENETDOWN] = "Network is down",
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[ENETUNREACH] = "Network is unreachable",
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[ENETRESET] = "Network dropped connection on reset",
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[ECONNABORTED] = "Software caused connection abort",
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[ECONNRESET] = "Connection reset by peer",
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[ENOBUFS] = "No buffer space available",
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[EISCONN] = "Transport endpoint is already connected",
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[ENOTCONN] = "Transport endpoint is not connected",
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[ESHUTDOWN] = "Cannot send after transport endpoint shutdown",
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[ETOOMANYREFS] = "Too many references: cannot splice",
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[ETIMEDOUT] = "Connection timed out",
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[ECONNREFUSED] = "Connection refused",
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[EHOSTDOWN] = "Host is down",
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[EHOSTUNREACH] = "No route to host",
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[EALREADY] = "Operation already in progress",
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[EINPROGRESS] = "Operation now in progress",
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[ESTALE] = "Stale file handle",
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[EUCLEAN] = "Structure needs cleaning",
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[ENOTNAM] = "Not a XENIX named type file",
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[ENAVAIL] = "No XENIX semaphores available",
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[EISNAM] = "Is a named type file",
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[EREMOTEIO] = "Remote I/O error",
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[EDQUOT] = "Disk quota exceeded",
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[ENOMEDIUM] = "No medium found",
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[EMEDIUMTYPE] = "Wrong medium type",
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[ECANCELED] = "Operation canceled",
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[ENOKEY] = "Required key not available",
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[EKEYEXPIRED] = "Key has expired",
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[EKEYREVOKED] = "Key has been revoked",
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[EKEYREJECTED] = "Key was rejected by service",
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[EOWNERDEAD] = "Owner died",
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[ENOTRECOVERABLE] = "State not recoverable",
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[ERFKILL] = "Operation not possible due to RF-kill",
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[EHWPOISON] = "Memory page has hardware error",
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};
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static int n_sys_errlist = sizeof sys_errlist / sizeof sys_errlist[0];
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static char g_msg_buf[128];
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char *strerror(int errnum)
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{
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if (errnum <= 0 || errnum >= n_sys_errlist) {
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snprintf(g_msg_buf, sizeof g_msg_buf, "Unknown error: %d", errnum);
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} else {
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strncpy(g_msg_buf, sys_errlist[errnum], sizeof g_msg_buf - 1);
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g_msg_buf[sizeof g_msg_buf - 1] = '\0';
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}
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return g_msg_buf;
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}
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