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