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newlib-cygwin/newlib/libc/string/strerror.c

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import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
/***
**** CAUTION!!! KEEP DOC CONSISTENT---if you change text of a message
**** here, change two places:
**** 1) the leading doc section (alphabetized by macro)
**** 2) the real text inside switch(errnum)
***/
/*
FUNCTION
<<strerror>>---convert error number to string
INDEX
strerror
ANSI_SYNOPSIS
#include <string.h>
char *strerror(int <[errnum]>);
TRAD_SYNOPSIS
#include <string.h>
char *strerror(<[errnum]>)
int <[errnum]>;
DESCRIPTION
<<strerror>> converts the error number <[errnum]> into a
string. The value of <[errnum]> is usually a copy of <<errno>>.
If <<errnum>> is not a known error number, the result points to an
empty string.
This implementation of <<strerror>> prints out the following strings
for each of the values defined in `<<errno.h>>':
o+
o E2BIG
Arg list too long
o EACCES
Permission denied
2000-12-04 Keith Outwater <vac4050@cae597.rsc.raytheon.com> * libc/include/sys/errno.h: Added comments on many error numbers. * libc/string/strerror.c: Added some more strings.
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o EADDRINUSE
Address already in use
import newlib-2000-02-17 snapshot
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o EADV
Advertise error
2000-12-04 Keith Outwater <vac4050@cae597.rsc.raytheon.com> * libc/include/sys/errno.h: Added comments on many error numbers. * libc/string/strerror.c: Added some more strings.
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o EAFNOSUPPORT
Address family not supported by protocol family
import newlib-2000-02-17 snapshot
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o EAGAIN
No more processes
2000-12-04 Keith Outwater <vac4050@cae597.rsc.raytheon.com> * libc/include/sys/errno.h: Added comments on many error numbers. * libc/string/strerror.c: Added some more strings.
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o EALREADY
Socket already connected
import newlib-2000-02-17 snapshot
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o EBADF
Bad file number
o EBADMSG
Bad message
o EBUSY
Device or resource busy
o ECHILD
No children
o ECOMM
Communication error
2000-12-04 Keith Outwater <vac4050@cae597.rsc.raytheon.com> * libc/include/sys/errno.h: Added comments on many error numbers. * libc/string/strerror.c: Added some more strings.
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o ECONNABORTED
Software caused connection abort
o ECONNREFUSED
Connection refused
import newlib-2000-02-17 snapshot
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o EDEADLK
Deadlock
2000-12-04 Keith Outwater <vac4050@cae597.rsc.raytheon.com> * libc/include/sys/errno.h: Added comments on many error numbers. * libc/string/strerror.c: Added some more strings.
2000-12-05 02:01:50 +08:00
o EDESTADDRREQ
Destination address required
import newlib-2000-02-17 snapshot
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o EEXIST
File exists
o EDOM
Math argument
o EFAULT
Bad address
o EFBIG
File too large
2000-12-04 Keith Outwater <vac4050@cae597.rsc.raytheon.com> * libc/include/sys/errno.h: Added comments on many error numbers. * libc/string/strerror.c: Added some more strings.
2000-12-05 02:01:50 +08:00
o EHOSTDOWN
Host is down
o EHOSTUNREACH
Host is unreachable
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
o EIDRM
Identifier removed
2000-12-04 Keith Outwater <vac4050@cae597.rsc.raytheon.com> * libc/include/sys/errno.h: Added comments on many error numbers. * libc/string/strerror.c: Added some more strings.
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o EINPROGRESS
Connection already in progress
import newlib-2000-02-17 snapshot
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o EINTR
Interrupted system call
o EINVAL
Invalid argument
o EIO
I/O error
2000-12-04 Keith Outwater <vac4050@cae597.rsc.raytheon.com> * libc/include/sys/errno.h: Added comments on many error numbers. * libc/string/strerror.c: Added some more strings.
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o EISCONN
Socket is already connected
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
o EISDIR
Is a directory
o ELIBACC
Cannot access a needed shared library
o ELIBBAD
Accessing a corrupted shared library
o ELIBEXEC
Cannot exec a shared library directly
o ELIBMAX
Attempting to link in more shared libraries than system limit
o ELIBSCN
<<.lib>> section in a.out corrupted
o EMFILE
Too many open files
o EMLINK
Too many links
2000-12-04 Keith Outwater <vac4050@cae597.rsc.raytheon.com> * libc/include/sys/errno.h: Added comments on many error numbers. * libc/string/strerror.c: Added some more strings.
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o EMSGSIZE
Message too long
import newlib-2000-02-17 snapshot
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o EMULTIHOP
Multihop attempted
o ENAMETOOLONG
File or path name too long
2000-12-04 Keith Outwater <vac4050@cae597.rsc.raytheon.com> * libc/include/sys/errno.h: Added comments on many error numbers. * libc/string/strerror.c: Added some more strings.
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o ENETDOWN
Network interface not configured
o ENETUNREACH
Network is unreachable
import newlib-2000-02-17 snapshot
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o ENFILE
Too many open files in system
o ENODEV
No such device
o ENOENT
No such file or directory
o ENOEXEC
Exec format error
o ENOLCK
No lock
o ENOLINK
Virtual circuit is gone
o ENOMEM
Not enough space
o ENOMSG
No message of desired type
o ENONET
Machine is not on the network
o ENOPKG
No package
2000-12-04 Keith Outwater <vac4050@cae597.rsc.raytheon.com> * libc/include/sys/errno.h: Added comments on many error numbers. * libc/string/strerror.c: Added some more strings.
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o ENOPROTOOPT
Protocol not available
import newlib-2000-02-17 snapshot
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o ENOSPC
No space left on device
o ENOSR
No stream resources
o ENOSTR
Not a stream
o ENOSYS
Function not implemented
o ENOTBLK
Block device required
2000-12-04 Keith Outwater <vac4050@cae597.rsc.raytheon.com> * libc/include/sys/errno.h: Added comments on many error numbers. * libc/string/strerror.c: Added some more strings.
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o ENOTCONN
Socket is not connected
import newlib-2000-02-17 snapshot
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o ENOTDIR
Not a directory
o ENOTEMPTY
Directory not empty
2000-12-04 Keith Outwater <vac4050@cae597.rsc.raytheon.com> * libc/include/sys/errno.h: Added comments on many error numbers. * libc/string/strerror.c: Added some more strings.
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o ENOTSOCK
Socket operation on non-socket
o ENOTSUP
Not supported
import newlib-2000-02-17 snapshot
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o ENOTTY
Not a character device
o ENXIO
No such device or address
o EPERM
Not owner
o EPIPE
Broken pipe
o EPROTO
Protocol error
2000-12-04 Keith Outwater <vac4050@cae597.rsc.raytheon.com> * libc/include/sys/errno.h: Added comments on many error numbers. * libc/string/strerror.c: Added some more strings.
2000-12-05 02:01:50 +08:00
o EPROTOTYPE
Protocol wrong type for socket
o EPROTONOSUPPORT
Unknown protocol
import newlib-2000-02-17 snapshot
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o ERANGE
Result too large
o EREMOTE
Resource is remote
o EROFS
Read-only file system
2000-12-04 Keith Outwater <vac4050@cae597.rsc.raytheon.com> * libc/include/sys/errno.h: Added comments on many error numbers. * libc/string/strerror.c: Added some more strings.
2000-12-05 02:01:50 +08:00
o ESHUTDOWN
Can't send after socket shutdown
o ESOCKTNOSUPPORT
Socket type not supported
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
o ESPIPE
Illegal seek
o ESRCH
No such process
o ESRMNT
Srmount error
o ETIME
Stream ioctl timeout
2000-12-04 Keith Outwater <vac4050@cae597.rsc.raytheon.com> * libc/include/sys/errno.h: Added comments on many error numbers. * libc/string/strerror.c: Added some more strings.
2000-12-05 02:01:50 +08:00
o ETIMEDOUT
Connection timed out
import newlib-2000-02-17 snapshot
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o ETXTBSY
Text file busy
o EXDEV
Cross-device link
o-
RETURNS
This function returns a pointer to a string. Your application must
not modify that string.
PORTABILITY
ANSI C requires <<strerror>>, but does not specify the strings used
for each error number.
Although this implementation of <<strerror>> is reentrant, ANSI C
declares that subsequent calls to <<strerror>> may overwrite the
result string; therefore portable code cannot depend on the reentrancy
of this subroutine.
This implementation of <<strerror>> provides for user-defined
extensibility. <<errno.h>> defines <[__ELASTERROR]>, which can be
used as a base for user-defined error values. If the user supplies a
routine named <<_user_strerror>>, and <[errnum]> passed to
<<strerror>> does not match any of the supported values,
<<_user_strerror>> is called with <[errnum]> as its argument.
<<_user_strerror>> takes one argument of type <[int]>, and returns a
character pointer. If <[errnum]> is unknown to <<_user_strerror>>,
<<_user_strerror>> returns <[NULL]>. The default <<_user_strerror>>
returns <[NULL]> for all input values.
<<strerror>> requires no supporting OS subroutines.
QUICKREF
strerror ansi pure
*/
#include <errno.h>
#include <string.h>
char *
_DEFUN (strerror, (errnum),
int errnum)
{
char *error;
extern char *_user_strerror _PARAMS ((int));
switch (errnum)
{
/* go32 defines EPERM as EACCES */
#if defined (EPERM) && (!defined (EACCES) || (EPERM != EACCES))
case EPERM:
error = "Not owner";
break;
#endif
#ifdef ENOENT
case ENOENT:
error = "No such file or directory";
break;
#endif
#ifdef ESRCH
case ESRCH:
error = "No such process";
break;
#endif
#ifdef EINTR
case EINTR:
error = "Interrupted system call";
break;
#endif
#ifdef EIO
case EIO:
error = "I/O error";
break;
#endif
/* go32 defines ENXIO as ENODEV */
#if defined (ENXIO) && (!defined (ENODEV) || (ENXIO != ENODEV))
case ENXIO:
error = "No such device or address";
break;
#endif
#ifdef E2BIG
case E2BIG:
error = "Arg list too long";
break;
#endif
#ifdef ENOEXEC
case ENOEXEC:
error = "Exec format error";
break;
#endif
2000-12-04 Keith Outwater <vac4050@cae597.rsc.raytheon.com> * libc/include/sys/errno.h: Added comments on many error numbers. * libc/string/strerror.c: Added some more strings.
2000-12-05 02:01:50 +08:00
#ifdef EALREADY
case EALREADY:
error = "Socket already connected";
break;
#endif
import newlib-2000-02-17 snapshot
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#ifdef EBADF
case EBADF:
error = "Bad file number";
break;
#endif
#ifdef ECHILD
case ECHILD:
error = "No children";
break;
#endif
2000-12-04 Keith Outwater <vac4050@cae597.rsc.raytheon.com> * libc/include/sys/errno.h: Added comments on many error numbers. * libc/string/strerror.c: Added some more strings.
2000-12-05 02:01:50 +08:00
#ifdef EDESTADDRREQ
case EDESTADDRREQ:
error = "Destination address required";
break;
#endif
import newlib-2000-02-17 snapshot
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#ifdef EAGAIN
case EAGAIN:
error = "No more processes";
break;
#endif
#ifdef ENOMEM
case ENOMEM:
error = "Not enough space";
break;
#endif
#ifdef EACCES
case EACCES:
error = "Permission denied";
break;
#endif
#ifdef EFAULT
case EFAULT:
error = "Bad address";
break;
#endif
#ifdef ENOTBLK
case ENOTBLK:
error = "Block device required";
break;
#endif
#ifdef EBUSY
case EBUSY:
error = "Device or resource busy";
break;
#endif
#ifdef EEXIST
case EEXIST:
error = "File exists";
break;
#endif
#ifdef EXDEV
case EXDEV:
error = "Cross-device link";
break;
#endif
#ifdef ENODEV
case ENODEV:
error = "No such device";
break;
#endif
#ifdef ENOTDIR
case ENOTDIR:
error = "Not a directory";
break;
#endif
2000-12-04 Keith Outwater <vac4050@cae597.rsc.raytheon.com> * libc/include/sys/errno.h: Added comments on many error numbers. * libc/string/strerror.c: Added some more strings.
2000-12-05 02:01:50 +08:00
#ifdef EHOSTDOWN
case EHOSTDOWN:
error = "Host is down";
break;
#endif
#ifdef EINPROGRESS
case EINPROGRESS:
error = "Connection already in progress";
break;
#endif
import newlib-2000-02-17 snapshot
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#ifdef EISDIR
case EISDIR:
error = "Is a directory";
break;
#endif
#ifdef EINVAL
case EINVAL:
error = "Invalid argument";
break;
#endif
2000-12-04 Keith Outwater <vac4050@cae597.rsc.raytheon.com> * libc/include/sys/errno.h: Added comments on many error numbers. * libc/string/strerror.c: Added some more strings.
2000-12-05 02:01:50 +08:00
#ifdef ENETDOWN
case ENETDOWN:
error = "Network interface is not configured";
break;
#endif
import newlib-2000-02-17 snapshot
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#ifdef ENFILE
case ENFILE:
error = "Too many open files in system";
break;
#endif
#ifdef EMFILE
case EMFILE:
error = "Too many open files";
break;
#endif
#ifdef ENOTTY
case ENOTTY:
error = "Not a character device";
break;
#endif
#ifdef ETXTBSY
case ETXTBSY:
error = "Text file busy";
break;
#endif
#ifdef EFBIG
case EFBIG:
error = "File too large";
break;
#endif
2000-12-04 Keith Outwater <vac4050@cae597.rsc.raytheon.com> * libc/include/sys/errno.h: Added comments on many error numbers. * libc/string/strerror.c: Added some more strings.
2000-12-05 02:01:50 +08:00
#ifdef EHOSTUNREACH
case EHOSTUNREACH:
error = "Host is unreachable";
break;
#endif
import newlib-2000-02-17 snapshot
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#ifdef ENOSPC
case ENOSPC:
error = "No space left on device";
break;
#endif
2000-12-04 Keith Outwater <vac4050@cae597.rsc.raytheon.com> * libc/include/sys/errno.h: Added comments on many error numbers. * libc/string/strerror.c: Added some more strings.
2000-12-05 02:01:50 +08:00
#ifdef ENOTSUP
case ENOTSUP:
error = "Not supported";
break;
#endif
import newlib-2000-02-17 snapshot
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#ifdef ESPIPE
case ESPIPE:
error = "Illegal seek";
break;
#endif
#ifdef EROFS
case EROFS:
error = "Read-only file system";
break;
#endif
#ifdef EMLINK
case EMLINK:
error = "Too many links";
break;
#endif
#ifdef EPIPE
case EPIPE:
error = "Broken pipe";
break;
#endif
#ifdef EDOM
case EDOM:
error = "Math argument";
break;
#endif
#ifdef ERANGE
case ERANGE:
error = "Result too large";
break;
#endif
#ifdef ENOMSG
case ENOMSG:
error = "No message of desired type";
break;
#endif
#ifdef EIDRM
case EIDRM:
error = "Identifier removed";
break;
#endif
#ifdef EDEADLK
case EDEADLK:
error = "Deadlock";
break;
#endif
2000-12-04 Keith Outwater <vac4050@cae597.rsc.raytheon.com> * libc/include/sys/errno.h: Added comments on many error numbers. * libc/string/strerror.c: Added some more strings.
2000-12-05 02:01:50 +08:00
#ifdef ENETUNREACH
case ENETUNREACH:
error = "Network is unreachable";
break;
#endif
import newlib-2000-02-17 snapshot
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#ifdef ENOLCK
case ENOLCK:
error = "No lock";
break;
#endif
#ifdef ENOSTR
case ENOSTR:
error = "Not a stream";
break;
#endif
#ifdef ETIME
case ETIME:
error = "Stream ioctl timeout";
break;
#endif
#ifdef ENOSR
case ENOSR:
error = "No stream resources";
break;
#endif
#ifdef ENONET
case ENONET:
error = "Machine is not on the network";
break;
#endif
#ifdef ENOPKG
case ENOPKG:
error = "No package";
break;
#endif
#ifdef EREMOTE
case EREMOTE:
error = "Resource is remote";
break;
#endif
#ifdef ENOLINK
case ENOLINK:
error = "Virtual circuit is gone";
break;
#endif
#ifdef EADV
case EADV:
error = "Advertise error";
break;
#endif
#ifdef ESRMNT
case ESRMNT:
error = "Srmount error";
break;
#endif
#ifdef ECOMM
case ECOMM:
error = "Communication error";
break;
#endif
#ifdef EPROTO
case EPROTO:
error = "Protocol error";
break;
2000-12-04 Keith Outwater <vac4050@cae597.rsc.raytheon.com> * libc/include/sys/errno.h: Added comments on many error numbers. * libc/string/strerror.c: Added some more strings.
2000-12-05 02:01:50 +08:00
#endif
#ifdef EPROTONOSUPPORT
case EPROTONOSUPPORT:
error = "Unknown protocol";
break;
import newlib-2000-02-17 snapshot
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#endif
#ifdef EMULTIHOP
case EMULTIHOP:
error = "Multihop attempted";
break;
#endif
#ifdef EBADMSG
case EBADMSG:
error = "Bad message";
break;
#endif
#ifdef ELIBACC
case ELIBACC:
error = "Cannot access a needed shared library";
break;
#endif
#ifdef ELIBBAD
case ELIBBAD:
error = "Accessing a corrupted shared library";
break;
#endif
#ifdef ELIBSCN
case ELIBSCN:
error = ".lib section in a.out corrupted";
break;
#endif
#ifdef ELIBMAX
case ELIBMAX:
error = "Attempting to link in more shared libraries than system limit";
break;
#endif
#ifdef ELIBEXEC
case ELIBEXEC:
error = "Cannot exec a shared library directly";
break;
#endif
#ifdef ENOSYS
case ENOSYS:
error = "Function not implemented";
break;
#endif
#ifdef ENMFILE
case ENMFILE:
error = "No more files";
break;
#endif
#ifdef ENOTEMPTY
case ENOTEMPTY:
error = "Directory not empty";
break;
#endif
#ifdef ENAMETOOLONG
case ENAMETOOLONG:
error = "File or path name too long";
break;
#endif
#ifdef ELOOP
case ELOOP:
error = "Too many symbolic links";
break;
#endif
#ifdef ENOBUFS
case ENOBUFS:
error = "No buffer space available";
break;
#endif
#ifdef EAFNOSUPPORT
case EAFNOSUPPORT:
error = "Address family not supported by protocol family";
break;
#endif
#ifdef EPROTOTYPE
case EPROTOTYPE:
error = "Protocol wrong type for socket";
break;
#endif
#ifdef ENOTSOCK
case ENOTSOCK:
error = "Socket operation on non-socket";
break;
#endif
#ifdef ENOPROTOOPT
case ENOPROTOOPT:
error = "Protocol not available";
break;
#endif
#ifdef ESHUTDOWN
case ESHUTDOWN:
error = "Can't send after socket shutdown";
break;
#endif
#ifdef ECONNREFUSED
case ECONNREFUSED:
error = "Connection refused";
break;
#endif
#ifdef EADDRINUSE
case EADDRINUSE:
error = "Address already in use";
break;
#endif
#ifdef ECONNABORTED
case ECONNABORTED:
error = "Software caused connection abort";
break;
#endif
#if (defined(EWOULDBLOCK) && (!defined (EAGAIN) || (EWOULDBLOCK != EAGAIN)))
case EWOULDBLOCK:
error = "Operation would block";
break;
#endif
#ifdef ENOTCONN
case ENOTCONN:
error = "Socket is not connected";
break;
#endif
#ifdef ESOCKTNOSUPPORT
case ESOCKTNOSUPPORT:
error = "Socket type not supported";
break;
#endif
#ifdef EISCONN
case EISCONN:
error = "Socket is already connected";
break;
#endif
2002-05-17 Jeff Johnston <jjohnstn@redhat.com> * Makefile.am: Copy and install headers from sys/machine/include directory. Also pass $toollibdir to lower-level directories. * Makefile.in: Regenerated. * libc/include/stdio.h[!_REENT_ONLY]: Change stdin, stdout, and stderr to use _REENT macro instead of _impure_ptr directly. * libc/include/sys/config.h[__i386__][__linux__]: Define __DYNAMIC_REENT__. * libc/include/sys/reent.h[!_REENT_ONLY]: Change _REENT macro to be call to __getreent() function if !__SINGLE_THREAD__ and __DYNAMIC_REENT__ is set. * libc/reent/Makefile.am: Add support for getreent.c. * libc/reent/Makefile.in: Regenerated. * libc/string/strerror.c: Add check if EOPNOTSUPP and ENOTSUP are same. * libc/sys/linux/Makefile.am: Add support for new files. * libc/sys/linux/configure.in: Add $EXTRA_DIRS variable. * libc/sys/linux/Makefile.in: Regenerated. * libc/sys/linux/configure: Ditto. * libc/sys/linux/io.c: Add poll syscall. Also weak-alias __close, __read, __write, __poll, __open, __lseek, __fcntl from their __libc_ counterparts. * libc/sys/linux/io64.c: Add __libc_ prefix to lseek64 and open64 and weak-alias to regular names. * libc/sys/linux/pread64.c: Rename to __libc_pread64 and weak-alias to pread64 and __pread64. * libc/sys/linux/process.c: Weak_alias __libc_getpid to __getpid. * libc/sys/linux/pwrite64.c: Rename to __libc_pwrite64 and weak-alias to pwrite64. * libc/sys/linux/sched.c: Weak-alias __libc_sched_getparam, __libc_sched_getscheduler, __libc_sched_get_priority_max, __libc_sched_get_priority_min, and __libc_sched_setschedule to name with __ instead of __libc_. * libc/sys/linux/siglongjmp.c: Include <machine/weakalias.h>. Rename siglongjmp to __libc_siglongjmp and weak-alias to siglongjmp. Call __libc_longjmp instead of longjmp, from __libc_siglongjmp. * libc/sys/linux/signal.c: Rename raise to __libc_raise and weak-alias to raise. * libc/sys/linux/socket.c: Weak-alias __libc_connect to __connect and __libc_send to __send. * libc/sys/linux/time.c: Weak-alias __libc_gettimeofday to __gettimeofday. * libc/sys/linux/wait.c: Rename wait to __libc_wait and weak-alias it to wait. Rename wait3 to __libc_wait3 and weak-alias it to wait3. * libc/sys/linux/include/setjmp.h: Use __jmp_buf in sigjmp_buf type and typedef __jmp_buf to jmp_buf. * libc/sys/linux/machine/i386/Makefile.am: Add syscalls.c and setjmp.S. * libc/sys/linux/machine/i386/Makefile.in: Regenerated. * libc/sys/linux/machine/i386/crt0.c: Add support to clear .bss section. * libc/sys/linux/machine/i386/socketcall.h: Change to use __libc_ prefix for function macros and then use weak_alias() to regular names. * libc/sys/linux/machine/i386/syscall.h: Ditto. * libc/sys/linux/sys/errno.h: Define EOPNOTSUP to be ENOTSUP. * libc/sys/linux/sys/stdio.h: Define _flockfile and _funlockfile to be flockfile() and funlockfile() respectively. * libc/sys/linux/sys/types.h * libc/reent/getreent.c: New file. * libc/sys/linux/flockfile.c: Ditto. * libc/sys/linux/funlockfile.c: Ditto. * libc/sys/linux/getreent.c: Ditto. * libc/sys/linux/pread.c: Ditto. * libc/sys/linux/pwrite.c: Ditto. * libc/sys/linux/raise.c: Ditto. * libc/sys/linux/system.c: Ditto. * libc/sys/linux/tcdrain.c: Ditto. * libc/sys/linux/machine/i386/i386mach.h: Ditto. * libc/sys/linux/machine/i386/setjmp.S: Ditto. * libc/sys/linux/machine/i386/syscalls.c: Ditto. * libc/sys/linux/machine/i386/weakalias.h: Ditto. * libc/sys/linux/machine/i386/include/setjmp.h: Ditto.
2002-05-18 07:39:39 +08:00
#if defined(EOPNOTSUPP) && (!defined(ENOTSUP) || (ENOTSUP != EOPNOTSUPP))
import newlib-2000-02-17 snapshot
2000-02-18 03:39:52 +08:00
case EOPNOTSUPP:
error = "Operation not supported on socket";
break;
#endif
#ifdef EMSGSIZE
case EMSGSIZE:
error = "Message too long";
break;
#endif
#ifdef ETIMEDOUT
case ETIMEDOUT:
error = "Connection timed out";
break;
#endif
default:
if ((error = _user_strerror (errnum)) == 0)
error = "";
break;
}
return error;
}