BizHawk/waterbox/libc/functions/stdio/vfprintf.c

65 lines
1.4 KiB
C

/* vfprintf( FILE *, const char *, va_list )
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>
#include <stdarg.h>
#include <stdint.h>
#include <limits.h>
#ifndef REGTEST
#include "_PDCLIB_io.h"
static size_t filecb(void *p, const char *buf, size_t size)
{
return _PDCLIB_fwrite_unlocked( buf, 1, size, (FILE*) p );
}
int _PDCLIB_vfprintf_unlocked( FILE * _PDCLIB_restrict stream,
const char * _PDCLIB_restrict format,
va_list arg )
{
return _vcbprintf(stream, filecb, format, arg);
}
int vfprintf( FILE * _PDCLIB_restrict stream,
const char * _PDCLIB_restrict format,
va_list arg )
{
_PDCLIB_flockfile( stream );
int r = _PDCLIB_vfprintf_unlocked( stream, format, arg );
_PDCLIB_funlockfile( stream );
return r;
}
#endif
#ifdef TEST
#define _PDCLIB_FILEID "stdio/vfprintf.c"
#define _PDCLIB_FILEIO
#include <stddef.h>
#include "_PDCLIB_test.h"
static int testprintf( FILE * stream, const char * format, ... )
{
int i;
va_list arg;
va_start( arg, format );
i = vfprintf( stream, format, arg );
va_end( arg );
return i;
}
int main( void )
{
FILE * target;
TESTCASE( ( target = tmpfile() ) != NULL );
#include "printf_testcases.h"
TESTCASE( fclose( target ) == 0 );
return TEST_RESULTS;
}
#endif