kolibrios/programs/develop/ktcc/trunk/libc/stdio/fwrite.c

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#include <stdio.h>
#include <kolibrisys.h>
int fwrite(void *buffer,int size,int count,FILE* file)
{
dword res;
dword fullsize;
if (file->mode==FILE_OPEN_READ) return 0;
if (file->mode==FILE_OPEN_APPEND)
file->filepos=file->filesize;
fullsize=count*size;
if ((file->filesize)<(file->filepos+fullsize)) file->filesize=file->filepos+fullsize;
/*
if (file->mode==FILE_OPEN_APPEND)
{
file->filepos==file->filesize;
res=_ksys_appendtofile(file->filename,file->filepos,fullsize,buffer);
if (res==0)
{
file->filepos+=fullsize;
fullsize=fullsize/size;
return(fullsize);
}
else return(0);
}
*/
if ((file->mode==FILE_OPEN_WRITE) || (file->mode==FILE_OPEN_APPEND))
{
if (file->filepos==0)
{ //file mot craeted yet
res=_ksys_rewritefile(file->filename,fullsize,buffer);
if (res==0)
{
file->filepos+=fullsize;
fullsize=fullsize/count;
return(fullsize);
}
else return(0);
}
else
{
res=_ksys_appendtofile(file->filename,file->filepos,fullsize,buffer);
if (res==0)
{
file->filepos+=fullsize;
fullsize=fullsize/count;
return(fullsize);
}
else return(0);
}
}
else return(0);
}