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/* puts( const char * )
This file is part of the Public Domain C Library (PDCLib).
Permission is granted to use, modify, and / or redistribute at will.
*/
#include <stdio.h>
#ifndef REGTEST
#include "pdclib/_PDCLIB_glue.h"
#ifndef __STDC_NO_THREADS__
#include <threads.h>
#endif
int puts( const char * s )
{
_PDCLIB_LOCK( stdout->mtx );
if ( _PDCLIB_prepwrite( stdout ) == EOF )
{
_PDCLIB_UNLOCK( stdout->mtx );
return EOF;
}
while ( *s != '\0' )
{
stdout->buffer[ stdout->bufidx++ ] = *s++;
if ( stdout->bufidx == stdout->bufsize )
{
if ( _PDCLIB_flushbuffer( stdout ) == EOF )
{
_PDCLIB_UNLOCK( stdout->mtx );
return EOF;
}
}
}
stdout->buffer[ stdout->bufidx++ ] = '\n';
if ( ( stdout->bufidx == stdout->bufsize ) ||
( stdout->status & ( _IOLBF | _IONBF ) ) )
{
int rc = _PDCLIB_flushbuffer( stdout );
_PDCLIB_UNLOCK( stdout->mtx );
return rc;
}
else
{
_PDCLIB_UNLOCK( stdout->mtx );
return 0;
}
}
#endif
#ifdef TEST
#include "_PDCLIB_test.h"
int main( void )
{
FILE * fh;
const char * message = "SUCCESS testing puts()";
char buffer[23];
buffer[22] = 'x';
TESTCASE( ( fh = freopen( testfile, "wb+", stdout ) ) != NULL );
TESTCASE( puts( message ) >= 0 );
rewind( fh );
TESTCASE( fread( buffer, 1, 22, fh ) == 22 );
TESTCASE( memcmp( buffer, message, 22 ) == 0 );
TESTCASE( buffer[22] == 'x' );
TESTCASE( fclose( fh ) == 0 );
TESTCASE( remove( testfile ) == 0 );
return TEST_RESULTS;
}
#endif
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