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/* tmpfile_s( FILE * * )
This file is part of the Public Domain C Library (PDCLib).
Permission is granted to use, modify, and / or redistribute at will.
*/
#define __STDC_WANT_LIB_EXT1__ 1
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#ifndef REGTEST
errno_t tmpfile_s( FILE * _PDCLIB_restrict * _PDCLIB_restrict streamptr )
{
if ( streamptr == NULL )
{
_PDCLIB_constraint_handler( _PDCLIB_CONSTRAINT_VIOLATION( _PDCLIB_EINVAL ) );
return _PDCLIB_EINVAL;
}
*streamptr = tmpfile();
if ( *streamptr == NULL )
{
assert( *_PDCLIB_errno_func() != 0 );
return *_PDCLIB_errno_func();
}
return 0;
}
#endif
#ifdef TEST
#include "_PDCLIB_test.h"
#include <string.h>
#if ! defined( REGTEST ) || defined( __STDC_LIB_EXT1__ )
static int HANDLER_CALLS = 0;
static void test_handler( const char * _PDCLIB_restrict msg, void * _PDCLIB_restrict ptr, errno_t error )
{
++HANDLER_CALLS;
}
#endif
int main( void )
{
#if ! defined( REGTEST ) || defined( __STDC_LIB_EXT1__ )
FILE * fh;
char filename[ L_tmpnam ];
FILE * fhtest;
set_constraint_handler_s( test_handler );
TESTCASE( ( tmpfile_s( &fh ) ) == 0 );
TESTCASE( fputc( 'x', fh ) == 'x' );
/* Checking that file is actually there */
TESTCASE_NOREG( strcpy( filename, fh->filename ) == filename );
TESTCASE_NOREG( ( fhtest = fopen( filename, "r" ) ) != NULL );
TESTCASE_NOREG( fclose( fhtest ) == 0 );
/* Closing tmpfile */
TESTCASE( fclose( fh ) == 0 );
/* Checking that file was deleted */
TESTCASE_NOREG( fopen( filename, "r" ) == NULL );
/* Constraint violation */
TESTCASE( ( tmpfile_s( NULL ) ) != 0 );
TESTCASE( HANDLER_CALLS == 1 );
#endif
return TEST_RESULTS;
}
#endif
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