multibyte.c
上传用户:nvosite88
上传日期:2007-01-17
资源大小:4983k
文件大小:3k
- /* multibyte.c - multibyte file for stdlib */
- /* Copyright 1992-1993 Wind River Systems, Inc. */
- /*
- modification history
- --------------------
- 01c,08feb93,jdi documentation cleanup for 5.1.
- 01b,20sep92,smb documentation additions.
- 01a,19jul92,smb written and documented.
- */
- /*
- DESCRIPTION
- These ignore the current fixed ("C") locale and
- always indicate that no multibyte characters are supported.
- INCLUDE FILES: stdlib.h
- SEE ALSO: American National Standard X3.159-1989
- NOMANUAL
- */
- #include "vxWorks.h"
- #include "stdlib.h"
- #include "string.h"
- /******************************************************************************
- *
- * mblen - calculate the length of a multibyte character (Unimplemented) (ANSI)
- *
- * This multibyte character function is unimplemented in VxWorks.
- *
- * INCLUDE FILES: stdlib.h
- *
- * RETURNS: OK, or ERROR if the parameters are invalid.
- */
- int mblen
- (
- const char * s,
- size_t n
- )
- {
- if ((strcmp (s,NULL) == 0) && (n == 0) && (*s == EOS))
- return (ERROR);
- return (OK);
- }
- /******************************************************************************
- *
- * mbtowc - convert a multibyte character to a wide character (Unimplemented) (ANSI)
- *
- * This multibyte character function is unimplemented in VxWorks.
- *
- * INCLUDE FILES: stdlib.h
- *
- * RETURNS: OK, or ERROR if the parameters are invalid.
- */
- int mbtowc
- (
- wchar_t * pwc,
- const char * s,
- size_t n
- )
- {
- if ((strcmp (s,NULL) == 0) && (n == 0) && (*s == EOS))
- return (ERROR);
- return (OK);
- }
- /******************************************************************************
- *
- * wctomb - convert a wide character to a multibyte character (Unimplemented) (ANSI)
- *
- * This multibyte character function is unimplemented in VxWorks.
- *
- * INCLUDE FILES: stdlib.h
- *
- * RETURNS: OK, or ERROR if the parameters are invalid.
- */
- int wctomb
- (
- char * s,
- wchar_t wchar
- )
- {
- if (strcmp (s,NULL) == 0)
- return (ERROR);
- return (OK);
- }
- /******************************************************************************
- *
- * mbstowcs - convert a series of multibyte char's to wide char's (Unimplemented) (ANSI)
- *
- * This multibyte character function is unimplemented in VxWorks.
- *
- * INCLUDE FILES: stdlib.h
- *
- * RETURNS: OK, or ERROR if the parameters are invalid.
- */
- size_t mbstowcs
- (
- wchar_t * pwcs,
- const char * s,
- size_t n
- )
- {
- if ((strcmp (s,NULL) == 0) && (n == 0) && (*s == EOS))
- return (ERROR);
- return (OK);
- }
- /******************************************************************************
- *
- * wcstombs - convert a series of wide char's to multibyte char's (Unimplemented) (ANSI)
- *
- * This multibyte character function is unimplemented in VxWorks.
- *
- * INCLUDE FILES: stdlib.h
- *
- * RETURNS: OK, or ERROR if the parameters are invalid.
- */
- size_t wcstombs
- (
- char * s,
- const wchar_t * pwcs,
- size_t n
- )
- {
- if ((strcmp (pwcs,NULL) == 0) && (n == 0) && (*pwcs == (wchar_t) EOS))
- return (ERROR);
- return (OK);
- }