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Added errno values (#67)
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* add errno values

Co-authored-by: Denys Smirnov <dennwc@protonmail.com>
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@g41797 @dennwc
g41797 and dennwc authored Apr 17, 2023
1 parent e489b85 commit 6d93194
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Showing 2 changed files with 447 additions and 175 deletions.
379 changes: 204 additions & 175 deletions libs/errno.go
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Original file line number Diff line number Diff line change
@@ -1,6 +1,9 @@
package libs

import (
"fmt"
"strings"

"github.com/gotranspile/cxgo/runtime/libc"
"github.com/gotranspile/cxgo/types"
)
Expand All @@ -9,185 +12,211 @@ import (

func init() {
RegisterLibrary("errno.h", func(c *Env) *Library {
gint := c.Go().Int()
return &Library{
Header: `
#include <` + BuiltinH + `>
_cxgo_go_int errno = 0;
char* strerror (_cxgo_go_int errnum);
// Argument list too long.
#define E2BIG 2
// Permission denied.
#define EACCES 3
// Address in use.
#define EADDRINUSE 4
// Address not available.
#define EADDRNOTAVAIL 5
// Address family not supported.
#define EAFNOSUPPORT 6
// Resource unavailable, try again (may be the same value as EWOULDBLOCK).
#define EAGAIN 7
// Connection already in progress.
#define EALREADY 8
// Bad file descriptor.
#define EBADF 9
// Bad message.
#define EBADMSG 10
// Device or resource busy.
#define EBUSY 11
// Operation canceled.
#define ECANCELED 12
// No child processes.
#define ECHILD 13
// Connection aborted.
#define ECONNABORTED 14
// Connection refused.
#define ECONNREFUSED 15
// Connection reset.
#define ECONNRESET 16
// Resource deadlock would occur.
#define EDEADLK 17
// Destination address required.
#define EDESTADDRREQ 18
// Mathematics argument out of domain of function.
#define EDOM 19
// Reserved.
#define EDQUOT 20
// File exists.
#define EEXIST 21
// Bad address.
#define EFAULT 22
// File too large.
#define EFBIG 23
// Host is unreachable.
#define EHOSTUNREACH 24
// Identifier removed.
#define EIDRM 25
// Illegal byte sequence.
#define EILSEQ 26
// Operation in progress.
#define EINPROGRESS 27
// Interrupted function.
#define EINTR 28
// Invalid argument.
#define EINVAL 29
// I/O error.
#define EIO 30
// Socket is connected.
#define EISCONN 31
// Is a directory.
#define EISDIR 32
// Too many levels of symbolic links.
#define ELOOP 33
// File descriptor value too large.
#define EMFILE 34
// Too many links.
#define EMLINK 35
// Message too large.
#define EMSGSIZE 36
// Reserved.
#define EMULTIHOP 37
// Filename too long.
#define ENAMETOOLONG 38
// Network is down.
#define ENETDOWN 39
// Connection aborted by network.
#define ENETRESET 40
// Network unreachable.
#define ENETUNREACH 41
// Too many files open in system.
#define ENFILE 42
// No buffer space available.
#define ENOBUFS 43
// No message is available on the STREAM head read queue.
#define ENODATA 44
// No such device.
#define ENODEV 45
// No such file or directory.
#define ENOENT 46
// Executable file format error.
#define ENOEXEC 47
// No locks available.
#define ENOLCK 48
// Reserved.
#define ENOLINK 49
// Not enough space.
#define ENOMEM 50
// No message of the desired type.
#define ENOMSG 51
// Protocol not available.
#define ENOPROTOOPT 52
// No space left on device.
#define ENOSPC 53
// No STREAM resources.
#define ENOSR 54
// Not a STREAM.
#define ENOSTR 55
// Functionality not supported.
#define ENOSYS 56
// The socket is not connected.
#define ENOTCONN 57
// Not a directory or a symbolic link to a directory.
#define ENOTDIR 58
// Directory not empty.
#define ENOTEMPTY 59
// Env not recoverable.
#define ENOTRECOVERABLE 60
// Not a socket.
#define ENOTSOCK 61
// Not supported (may be the same value as EOPNOTSUPP).
#define ENOTSUP 62
// Inappropriate I/O control operation.
#define ENOTTY 63
// No such device or address.
#define ENXIO 64
// Operation not supported on socket (may be the same value as ENOTSUP).
#define EOPNOTSUPP 65
// Value too large to be stored in data type.
#define EOVERFLOW 66
// Previous owner died.
#define EOWNERDEAD 67
// Operation not permitted.
#define EPERM 68
// Broken pipe.
#define EPIPE 69
// Protocol error.
#define EPROTO 79
// Protocol not supported.
#define EPROTONOSUPPORT 80
// Protocol wrong type for socket.
#define EPROTOTYPE 81
// Result too large.
#define ERANGE 82
// Read-only file system.
#define EROFS 83
// Invalid seek.
#define ESPIPE 84
// No such process.
#define ESRCH 85
// Reserved.
#define ESTALE 86
// Stream ioctl() timeout.
#define ETIME 87
// Connection timed out.
#define ETIMEDOUT 88
// Text file busy.
#define ETXTBSY 89
// Operation would block (may be the same value as EAGAIN).
#define EWOULDBLOCK 90
// Cross-device link.
#define EXDEV 91
`,
Header: errnoHeader(),
Imports: map[string]string{
"libc": RuntimeLibc,
},
Idents: map[string]*types.Ident{
"errno": c.NewIdent("errno", "libc.Errno", libc.Errno, gint),
"strerror": c.NewIdent("strerror", "libc.StrError", libc.StrError, c.FuncTT(c.C().String(), gint)),
},
Idents: errnoIdents(c),
}
})
}


func errnoHeader() string {

lines := []string{
"#include <" + BuiltinH + ">",
"_cxgo_go_int errno = 0;",
"char* strerror (_cxgo_go_int errnum);",
}

for _, v := range errnoInfs {
lines = append(lines, fmt.Sprintf("const _cxgo_go_int %s = %d;", v.name, v.value))
}
res := strings.Join(lines, "\n")
return res
}

func errnoIdents(c *Env) map[string]*types.Ident {
gint := c.Go().Int()

res := map[string]*types.Ident{
"errno": c.NewIdent("errno", "libc.Errno", libc.Errno, gint),
"strerror": c.NewIdent("strerror", "libc.StrError", libc.StrError, c.FuncTT(c.C().String(), gint)),
}

for _, v := range errnoInfs {
res[v.name] = c.NewIdent(v.name, "libc."+v.name, libc.Errno, gint)
}

return res
}

var errnoInfs = []struct {
name string
value int
}{
// Argument list too long.
{"E2BIG", 2},
// Permission denied.
{"EACCES", 3},
// Address in use.
{"EADDRINUSE", 4},
// Address not available.
{"EADDRNOTAVAIL", 5},
// Address family not supported.
{"EAFNOSUPPORT", 6},
// Resource unavailable, try again (may be the same value as EWOULDBLOCK).
{"EAGAIN", 7},
// Connection already in progress.
{"EALREADY", 8},
// Bad file descriptor.
{"EBADF", 9},
// Bad message.
{"EBADMSG", 10},
// Device or resource busy.
{"EBUSY", 11},
// Operation canceled.
{"ECANCELED", 12},
// No child processes.
{"ECHILD", 13},
// Connection aborted.
{"ECONNABORTED", 14},
// Connection refused.
{"ECONNREFUSED", 15},
// Connection reset.
{"ECONNRESET", 16},
// Resource deadlock would occur.
{"EDEADLK", 17},
// Destination address required.
{"EDESTADDRREQ", 18},
// Mathematics argument out of domain of function.
{"EDOM", 19},
// Reserved.
{"EDQUOT", 20},
// File exists.
{"EEXIST", 21},
// Bad address.
{"EFAULT", 22},
// File too large.
{"EFBIG", 23},
// Host is unreachable.
{"EHOSTUNREACH", 24},
// Identifier removed.
{"EIDRM", 25},
// Illegal byte sequence.
{"EILSEQ", 26},
// Operation in progress.
{"EINPROGRESS", 27},
// Interrupted function.
{"EINTR", 28},
// Invalid argument.
{"EINVAL", 29},
// I/O error.
{"EIO", 30},
// Socket is connected.
{"EISCONN", 31},
// Is a directory.
{"EISDIR", 32},
// Too many levels of symbolic links.
{"ELOOP", 33},
// File descriptor value too large.
{"EMFILE", 34},
// Too many links.
{"EMLINK", 35},
// Message too large.
{"EMSGSIZE", 36},
// Reserved.
{"EMULTIHOP", 37},
// Filename too long.
{"ENAMETOOLONG", 38},
// Network is down.
{"ENETDOWN", 39},
// Connection aborted by network.
{"ENETRESET", 40},
// Network unreachable.
{"ENETUNREACH", 41},
// Too many files open in system.
{"ENFILE", 42},
// No buffer space available.
{"ENOBUFS", 43},
// No message is available on the STREAM head read queue.
{"ENODATA", 44},
// No such device.
{"ENODEV", 45},
// No such file or directory.
{"ENOENT", 46},
// Executable file format error.
{"ENOEXEC", 47},
// No locks available.
{"ENOLCK", 48},
// Reserved.
{"ENOLINK", 49},
// Not enough space.
{"ENOMEM", 50},
// No message of the desired type.
{"ENOMSG", 51},
// Protocol not available.
{"ENOPROTOOPT", 52},
// No space left on device.
{"ENOSPC", 53},
// No STREAM resources.
{"ENOSR", 54},
// Not a STREAM.
{"ENOSTR", 55},
// Functionality not supported.
{"ENOSYS", 56},
// The socket is not connected.
{"ENOTCONN", 57},
// Not a directory or a symbolic link to a directory.
{"ENOTDIR", 58},
// Directory not empty.
{"ENOTEMPTY", 59},
// Env not recoverable.
{"ENOTRECOVERABLE", 60},
// Not a socket.
{"ENOTSOCK", 61},
// Not supported (may be the same value as EOPNOTSUPP).
{"ENOTSUP", 62},
// Inappropriate I/O control operation.
{"ENOTTY", 63},
// No such device or address.
{"ENXIO", 64},
// Operation not supported on socket (may be the same value as ENOTSUP).
{"EOPNOTSUPP", 65},
// Value too large to be stored in data type.
{"EOVERFLOW", 66},
// Previous owner died.
{"EOWNERDEAD", 67},
// Operation not permitted.
{"EPERM", 68},
// Broken pipe.
{"EPIPE", 69},
// Protocol error.
{"EPROTO", 79},
// Protocol not supported.
{"EPROTONOSUPPORT", 80},
// Protocol wrong type for socket.
{"EPROTOTYPE", 81},
// Result too large.
{"ERANGE", 82},
// Read-only file system.
{"EROFS", 83},
// Invalid seek.
{"ESPIPE", 84},
// No such process.
{"ESRCH", 85},
// Reserved.
{"ESTALE", 86},
// Stream ioctl() timeout.
{"ETIME", 87},
// Connection timed out.
{"ETIMEDOUT", 88},
// Text file busy.
{"ETXTBSY", 89},
// Operation would block (may be the same value as EAGAIN).
{"EWOULDBLOCK", 90},
// Cross-device link. },
{"EXDEV", 91},
}
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