Mercurial > ecos
diff packages/error/current/src/strerror.cxx @ 0:3111d98ba7b3 ecos-v1_1-release
Initial commit of eCos version 1.1
| author | jlarmour |
|---|---|
| date | Tue, 11 May 1999 11:16:07 +0000 |
| parents | |
| children | 443894e2e912 |
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new file mode 100644 --- /dev/null +++ b/packages/error/current/src/strerror.cxx @@ -0,0 +1,202 @@ +//=========================================================================== +// +// strerror.cxx +// +// ANSI error code string routine +// +//=========================================================================== +//####COPYRIGHTBEGIN#### +// +// ------------------------------------------- +// The contents of this file are subject to the Cygnus eCos Public License +// Version 1.0 (the "License"); you may not use this file except in +// compliance with the License. You may obtain a copy of the License at +// http://sourceware.cygnus.com/ecos +// +// Software distributed under the License is distributed on an "AS IS" +// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the +// License for the specific language governing rights and limitations under +// the License. +// +// The Original Code is eCos - Embedded Cygnus Operating System, released +// September 30, 1998. +// +// The Initial Developer of the Original Code is Cygnus. Portions created +// by Cygnus are Copyright (C) 1998 Cygnus Solutions. All Rights Reserved. +// ------------------------------------------- +// +//####COPYRIGHTEND#### +//=========================================================================== +//#####DESCRIPTIONBEGIN#### +// +// Author(s): jlarmour@cygnus.co.uk +// Contributors: jlarmour@cygnus.co.uk +// Date: 1998-06-11 +// Purpose: To provide the strerror() implementation +// Description: This implements strerror() as described in ANSI chap 7.11.6.2 +// Usage: See <cyg/error/codes.h> +// +//####DESCRIPTIONEND#### +// +//=========================================================================== + + +// CONFIGURATION + +#include <pkgconf/error.h> // Configuration header + +// Include the C library? +#ifdef CYGPKG_ERROR + +// INCLUDES + +#include <cyg/infra/cyg_type.h> // Common project-wide type definitions +#include <cyg/infra/cyg_trac.h> // Tracing support +#include <cyg/error/codes.h> // Error code definitions and header for this + // file + +// EXPORTED SYMBOLS + +externC char * +strerror( int errnum ) __attribute__ ((weak, alias("_strerror") )); + +// FUNCTIONS + +externC char * +_strerror( int errnum ) +{ + register char *s; + + CYG_REPORT_FUNCNAMETYPE( "_strerror", "String form of error is \"%s\"" ); + + switch (errnum) + { + +#ifdef ENOERR + case ENOERR: + s = "No error"; + break; +#endif + +#ifdef EPERM + case EPERM: + s = "Not permitted"; + break; +#endif + +#ifdef ENOENT + case ENOENT: + s = "No such entity"; + break; +#endif + +#ifdef ESRCH + case ESRCH: + s = "No such process"; + break; +#endif + +#ifdef EINTR + case EINTR: + s = "Operation interrupted"; + break; +#endif + +#ifdef EIO + case EIO: + s = "I/O error"; + break; +#endif + +#ifdef EBADF + case EBADF: + s = "Bad file handle"; + break; +#endif + +#ifdef EAGAIN + case EAGAIN: + s = "Try again later"; + break; +#endif + +#ifdef ENOMEM + case ENOMEM: + s = "Out of memory"; + break; +#endif + +#ifdef EBUSY + case EBUSY: + s = "Resource busy"; + break; +#endif + +#ifdef ENODEV + case ENODEV: + s = "No such device"; + break; +#endif + +#ifdef EINVAL + case EINVAL: + s = "Invalid argument"; + break; +#endif + +#ifdef EMFILE + case EMFILE: + s = "Too many open files"; + break; +#endif + +#ifdef EDOM + case EDOM: + s = "Argument to math function outside valid domain"; + break; +#endif + +#ifdef ERANGE + case ERANGE: + s = "Math result cannot be represented"; + break; +#endif + +#ifdef ENOSYS + case ENOSYS: + s = "Function not implemented"; + break; +#endif + +#ifdef EEOF + case EEOF: + s = "End of file reached"; + break; +#endif + +#ifdef ENOSUPP + case ENOSUPP: + s = "Operation not supported"; + break; +#endif + +#ifdef EDEVNOSUPP + case EDEVNOSUPP: + s = "Device does not support this operation"; + break; +#endif + + default: + s = "Unknown error"; + break; + + } // switch + + CYG_REPORT_RETVAL(s); + + return s; +} // _strerror() + +#endif // ifdef CYGPKG_ERROR + +// EOF strerror.cxx
