Source code of Windows XP (NT5)
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/***
*puts.c - put a string to stdout
*
* Copyright (c) 1985-2001, Microsoft Corporation. All rights reserved.
*
*Purpose:
* defines puts() and _putws() - put a string to stdout
*
*Revision History:
* 09-02-83 RN initial version
* 08-31-84 RN modified to use new, blazing fast fwrite
* 07-01-87 JCR made return values conform to ANSI [MSC only]
* 09-24-87 JCR Added 'const' to declaration [ANSI]
* 11-05-87 JCR Multi-thread version
* 12-11-87 JCR Added "_LOAD_DS" to declaration
* 05-18-88 JCR Error return = EOF
* 05-27-88 PHG Merged DLL and normal versions
* 06-15-88 JCR Near reference to _iob[] entries; improve REG variables
* 08-18-89 GJF Clean up, now specific to OS/2 2.0 (i.e., 386 flat
* model). Also fixed copyright and indents.
* 02-15-90 GJF Fixed copyright
* 03-19-90 GJF Made calling type _CALLTYPE1, added #include
* <cruntime.h> and removed #include <register.h>.
* 03-26-90 GJF Added #include <string.h>.
* 07-23-90 SBM Replaced <assertm.h> by <assert.h>
* 10-03-90 GJF New-style function declarators.
* 04-06-93 SKS Replace _CRTAPI* with __cdecl
* 01-31-94 CFW Unicode enable.
* 02-04-94 CFW Use _putwchar_lk.
* 04-18-94 CFW Get rid of those pesky warnings.
* 09-06-94 CFW Replace MTHREAD with _MT.
* 02-06-94 CFW assert -> _ASSERTE.
* 02-22-95 GJF Replaced WPRFLAG with _UNICODE.
* 03-07-95 GJF Use _[un]lock_str2 instead of _[un]lock_str. Also,
* removed useless local and macros.
* 03-02-98 GJF Exception-safe locking.
* 01-04-99 GJF Changes for 64-bit size_t.
*
*******************************************************************************/
#include <cruntime.h>
#include <stdio.h>
#include <dbgint.h>
#include <file2.h>
#include <string.h>
#include <internal.h>
#include <mtdll.h>
#include <tchar.h>
/***
*int puts(string) - put a string to stdout with newline
*
*Purpose:
* Write a string to stdout; don't include '\0' but append '\n'. Uses
* temporary buffering for efficiency on stdout if unbuffered.
*
*Entry:
* char *string - string to output
*
*Exit:
* Good return = 0
* Error return = EOF
*
*Exceptions:
*
*******************************************************************************/
int __cdecl _putts (
const _TCHAR *string
)
{
int buffing;
#ifndef _UNICODE
size_t length;
size_t ndone;
#endif
int retval = _TEOF; /* error */
_ASSERTE(string != NULL);
#ifdef _MT
_lock_str2(1, stdout);
__try {
#endif
buffing = _stbuf(stdout);
#ifdef _UNICODE
while (*string) {
if (_putwchar_lk(*string++) == WEOF)
goto done;
}
if (_putwchar_lk(L'\n') != WEOF)
retval = 0; /* success */
#else
length = strlen(string);
ndone = _fwrite_lk(string,1,length,stdout);
if (ndone == length) {
_putc_lk('\n',stdout);
retval = 0; /* success */
}
#endif
#ifdef _UNICODE
done:
#endif
_ftbuf(buffing, stdout);
#ifdef _MT
}
__finally {
_unlock_str2(1, stdout);
}
#endif
return retval;
}