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#include <sys/stat.h>
#ifndef _WIN32
# include <sys/types.h>
#endif /* _WIN32 */
#include "uv.h"
#include "wasi_types.h"
#include "uv_mapping.h"
#if !defined(S_ISREG) && defined(S_IFMT) && defined(S_IFREG)
# define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
#endif
#if !defined(S_ISDIR) && defined(S_IFMT) && defined(S_IFDIR)
# define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
#endif
#if !defined(S_ISCHR) && defined(S_IFMT) && defined(S_IFCHR)
# define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
#endif
#if !defined(S_ISLNK) && defined(S_IFMT) && defined(S_IFLNK)
# define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
#endif
uvwasi_errno_t uvwasi__translate_uv_error(int err) {
switch (err) {
case UV_E2BIG: return UVWASI_E2BIG;
case UV_EACCES: return UVWASI_EACCES;
case UV_EADDRINUSE: return UVWASI_EADDRINUSE;
case UV_EADDRNOTAVAIL: return UVWASI_EADDRNOTAVAIL;
case UV_EAFNOSUPPORT: return UVWASI_EAFNOSUPPORT;
case UV_EAGAIN: return UVWASI_EAGAIN;
case UV_EALREADY: return UVWASI_EALREADY;
case UV_EBADF: return UVWASI_EBADF;
case UV_EBUSY: return UVWASI_EBUSY;
case UV_ECANCELED: return UVWASI_ECANCELED;
case UV_ECONNABORTED: return UVWASI_ECONNABORTED;
case UV_ECONNREFUSED: return UVWASI_ECONNREFUSED;
case UV_ECONNRESET: return UVWASI_ECONNRESET;
case UV_EDESTADDRREQ: return UVWASI_EDESTADDRREQ;
case UV_EEXIST: return UVWASI_EEXIST;
case UV_EFAULT: return UVWASI_EFAULT;
case UV_EFBIG: return UVWASI_EFBIG;
case UV_EHOSTUNREACH: return UVWASI_EHOSTUNREACH;
case UV_EINTR: return UVWASI_EINTR;
case UV_EINVAL: return UVWASI_EINVAL;
case UV_EIO: return UVWASI_EIO;
case UV_EISCONN: return UVWASI_EISCONN;
case UV_EISDIR: return UVWASI_EISDIR;
case UV_ELOOP: return UVWASI_ELOOP;
case UV_EMFILE: return UVWASI_EMFILE;
case UV_EMLINK: return UVWASI_EMLINK;
case UV_EMSGSIZE: return UVWASI_EMSGSIZE;
case UV_ENAMETOOLONG: return UVWASI_ENAMETOOLONG;
case UV_ENETDOWN: return UVWASI_ENETDOWN;
case UV_ENETUNREACH: return UVWASI_ENETUNREACH;
case UV_ENFILE: return UVWASI_ENFILE;
case UV_ENOBUFS: return UVWASI_ENOBUFS;
case UV_ENODEV: return UVWASI_ENODEV;
case UV_ENOENT: return UVWASI_ENOENT;
case UV_ENOMEM: return UVWASI_ENOMEM;
case UV_ENOPROTOOPT: return UVWASI_ENOPROTOOPT;
case UV_ENOSPC: return UVWASI_ENOSPC;
case UV_ENOSYS: return UVWASI_ENOSYS;
case UV_ENOTCONN: return UVWASI_ENOTCONN;
case UV_ENOTDIR: return UVWASI_ENOTDIR;
/* On at least some AIX machines, ENOTEMPTY and EEXIST are equivalent. */
#if ENOTEMPTY != EEXIST
case UV_ENOTEMPTY: return UVWASI_ENOTEMPTY;
#endif /* ENOTEMPTY != EEXIST */
case UV_ENOTSOCK: return UVWASI_ENOTSOCK;
case UV_ENOTSUP: return UVWASI_ENOTSUP;
case UV_ENXIO: return UVWASI_ENXIO;
case UV_EPERM: return UVWASI_EPERM;
case UV_EPIPE: return UVWASI_EPIPE;
case UV_EPROTO: return UVWASI_EPROTO;
case UV_EPROTONOSUPPORT: return UVWASI_EPROTONOSUPPORT;
case UV_EPROTOTYPE: return UVWASI_EPROTOTYPE;
case UV_ERANGE: return UVWASI_ERANGE;
case UV_EROFS: return UVWASI_EROFS;
case UV_ESPIPE: return UVWASI_ESPIPE;
case UV_ESRCH: return UVWASI_ESRCH;
case UV_ETIMEDOUT: return UVWASI_ETIMEDOUT;
case UV_ETXTBSY: return UVWASI_ETXTBSY;
case UV_EXDEV: return UVWASI_EXDEV;
case 0: return UVWASI_ESUCCESS;
/* The following libuv error codes have no corresponding WASI error code:
UV_EAI_ADDRFAMILY, UV_EAI_AGAIN, UV_EAI_BADFLAGS, UV_EAI_BADHINTS,
UV_EAI_CANCELED, UV_EAI_FAIL, UV_EAI_FAMILY, UV_EAI_MEMORY,
UV_EAI_NODATA, UV_EAI_NONAME, UV_EAI_OVERFLOW, UV_EAI_PROTOCOL,
UV_EAI_SERVICE, UV_EAI_SOCKTYPE, UV_ECHARSET, UV_ENONET, UV_EOF,
UV_ESHUTDOWN, UV_UNKNOWN
*/
default:
/* libuv errors are < 0 */
if (err > 0)
return err;
return UVWASI_ENOSYS;
}
}
int uvwasi__translate_to_uv_signal(uvwasi_signal_t sig) {
switch (sig) {
#ifdef SIGABRT
case UVWASI_SIGABRT: return SIGABRT;
#endif
#ifdef SIGALRM
case UVWASI_SIGALRM: return SIGALRM;
#endif
#ifdef SIGBUS
case UVWASI_SIGBUS: return SIGBUS;
#endif
#ifdef SIGCHLD
case UVWASI_SIGCHLD: return SIGCHLD;
#endif
#ifdef SIGCONT
case UVWASI_SIGCONT: return SIGCONT;
#endif
#ifdef SIGFPE
case UVWASI_SIGFPE: return SIGFPE;
#endif
#ifdef SIGHUP
case UVWASI_SIGHUP: return SIGHUP;
#endif
#ifdef SIGILL
case UVWASI_SIGILL: return SIGILL;
#endif
#ifdef SIGINT
case UVWASI_SIGINT: return SIGINT;
#endif
#ifdef SIGKILL
case UVWASI_SIGKILL: return SIGKILL;
#endif
#ifdef SIGPIPE
case UVWASI_SIGPIPE: return SIGPIPE;
#endif
#ifdef SIGQUIT
case UVWASI_SIGQUIT: return SIGQUIT;
#endif
#ifdef SIGSEGV
case UVWASI_SIGSEGV: return SIGSEGV;
#endif
#ifdef SIGSTOP
case UVWASI_SIGSTOP: return SIGSTOP;
#endif
#ifdef SIGSYS
case UVWASI_SIGSYS: return SIGSYS;
#endif
#ifdef SIGTERM
case UVWASI_SIGTERM: return SIGTERM;
#endif
#ifdef SIGTRAP
case UVWASI_SIGTRAP: return SIGTRAP;
#endif
#ifdef SIGTSTP
case UVWASI_SIGTSTP: return SIGTSTP;
#endif
#ifdef SIGTTIN
case UVWASI_SIGTTIN: return SIGTTIN;
#endif
#ifdef SIGTTOU
case UVWASI_SIGTTOU: return SIGTTOU;
#endif
#ifdef SIGURG
case UVWASI_SIGURG: return SIGURG;
#endif
#ifdef SIGUSR1
case UVWASI_SIGUSR1: return SIGUSR1;
#endif
#ifdef SIGUSR2
case UVWASI_SIGUSR2: return SIGUSR2;
#endif
#ifdef SIGVTALRM
case UVWASI_SIGVTALRM: return SIGVTALRM;
#endif
#ifdef SIGXCPU
case UVWASI_SIGXCPU: return SIGXCPU;
#endif
#ifdef SIGXFSZ
case UVWASI_SIGXFSZ: return SIGXFSZ;
#endif
default: return -1;
}
}
uvwasi_timestamp_t uvwasi__timespec_to_timestamp(const uv_timespec_t* ts) {
/* TODO(cjihrig): Handle overflow. */
return (uvwasi_timestamp_t) ts->tv_sec * NANOS_PER_SEC + ts->tv_nsec;
}
uvwasi_filetype_t uvwasi__stat_to_filetype(const uv_stat_t* stat) {
uint64_t mode;
mode = stat->st_mode;
if (S_ISREG(mode))
return UVWASI_FILETYPE_REGULAR_FILE;
if (S_ISDIR(mode))
return UVWASI_FILETYPE_DIRECTORY;
if (S_ISCHR(mode))
return UVWASI_FILETYPE_CHARACTER_DEVICE;
if (S_ISLNK(mode))
return UVWASI_FILETYPE_SYMBOLIC_LINK;
#ifdef S_ISSOCK
if (S_ISSOCK(mode))
return UVWASI_FILETYPE_SOCKET_STREAM;
#endif /* S_ISSOCK */
#ifdef S_ISFIFO
if (S_ISFIFO(mode))
return UVWASI_FILETYPE_SOCKET_STREAM;
#endif /* S_ISFIFO */
#ifdef S_ISBLK
if (S_ISBLK(mode))
return UVWASI_FILETYPE_BLOCK_DEVICE;
#endif /* S_ISBLK */
return UVWASI_FILETYPE_UNKNOWN;
}
void uvwasi__stat_to_filestat(const uv_stat_t* stat, uvwasi_filestat_t* fs) {
fs->st_dev = stat->st_dev;
fs->st_ino = stat->st_ino;
fs->st_nlink = stat->st_nlink;
fs->st_size = stat->st_size;
fs->st_filetype = uvwasi__stat_to_filetype(stat);
fs->st_atim = uvwasi__timespec_to_timestamp(&stat->st_atim);
fs->st_mtim = uvwasi__timespec_to_timestamp(&stat->st_mtim);
fs->st_ctim = uvwasi__timespec_to_timestamp(&stat->st_ctim);
}
uvwasi_errno_t uvwasi__get_filetype_by_fd(uv_file fd, uvwasi_filetype_t* type) {
uv_fs_t req;
int r;
r = uv_fs_fstat(NULL, &req, fd, NULL);
if (r != 0) {
uv_fs_req_cleanup(&req);
/* Windows can't stat a TTY. */
if (uv_guess_handle(fd) == UV_TTY) {
*type = UVWASI_FILETYPE_CHARACTER_DEVICE;
return UVWASI_ESUCCESS;
}
*type = UVWASI_FILETYPE_UNKNOWN;
return uvwasi__translate_uv_error(r);
}
*type = uvwasi__stat_to_filetype(&req.statbuf);
uv_fs_req_cleanup(&req);
if (*type == UVWASI_FILETYPE_SOCKET_STREAM &&
uv_guess_handle(fd) == UV_UDP) {
*type = UVWASI_FILETYPE_SOCKET_DGRAM;
}
return UVWASI_ESUCCESS;
}
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