kolibrios/programs/games/nsider/stdio/fread.c
eugene455 efd8f1922c The first stable version of N-sider. Level editor, 2 redraw technologies and save/load data added.
git-svn-id: svn://kolibrios.org@5266 a494cfbc-eb01-0410-851d-a64ba20cac60
2014-12-26 20:27:51 +00:00

26 lines
571 B
C

#include <stdio.h>
#include <kolibrisys.h>
int fread(void *buffer,int size,int count,FILE* file)
{
dword res;
dword fullsize;
if ((file->mode!=FILE_OPEN_READ) || (file->mode==FILE_OPEN_PLUS)) return 0;
fullsize=count*size;
if ((fullsize+file->filepos)>(file->filesize))
{
fullsize=file->filesize-file->filepos;
if (fullsize<=0) return(0);
}
res=_ksys_readfile(file->filename,file->filepos,fullsize,buffer);
if (res==0)
{
file->filepos=file->filepos+fullsize;
fullsize=fullsize/size;
return(fullsize);
}
else return 0;
}