Category : Databases and related files
Archive   : DISKLIB.ZIP
Filename : LIBFILE.C

 
Output of file : LIBFILE.C contained in archive : DISKLIB.ZIP
/* LibFile */
#include
#include
#include
#include
#include
#include
#include "lib.hdr"
#include
#include
#include

/* ..... GLOBAL EXTERNAL VARIABLES ................................... */

extern DiskRecord **DiskEntry;
extern int *FileSeq;
extern int ActiveFiles;

/* ===================================================================== */
void Normalize(char *DiskID) /* Right justifies the Disk ID */
{ int n;
while((n = strlen(DiskID)) < 3)
{ memcpy((DiskID + 1),DiskID,n+1);
*DiskID = ' ';
}
}

void ReadData(void)
{ char *filepos;
int k;
int d;

register int i;
FILE *file;
struct ffblk F;

file = fopen("file.dat","rb");
if(file == NULL)
{ ActiveFiles = 0;
}
else
{ fread(&ActiveFiles,sizeof(int),1,file);
ClearScreen(0x1b);
cursor(10,17);
puts("Reading Data");
cursor(10,12);
puts("<");
cursor(10,35);
puts(">");
cursor(10,13);
d = (ActiveFiles /21)+1;

for(i = 0;i < ActiveFiles;i++)
{ if(!(i % d)) putch('.');
fread(&k,sizeof(int),1,file);

DiskEntry[i] =(DiskRecord *)filepos = malloc((unsigned)k);
DiskEntry[i]->Length = k;
filepos += sizeof(int);

fread(filepos,(k-sizeof(int)),1,file);

}
fclose(file);
}

i = 0;
do
{ *(FileSeq+i) = i;
} while(++i < ActiveFiles);
if(ActiveFiles)
{ cursor(11,10);
puts("sorting Disk Entries");
qsort(DiskEntry,ActiveFiles,sizeof(DiskRecord *),DiskSeqFunction);
for(i=0;i { FileSeq[i] = i;
}
cursor(12,10);
puts("sorting File Entries");
qsort(FileSeq,ActiveFiles,sizeof(int),FileSeqFunction);
}
}


void WriteData(void)
{ int i,n;
FILE *file;

while((file = fopen("file.dat","wb")) == NULL)
{ window *W;
W = WindowOpen(1,10,10,10,70,0x0c,0x0a," WARNING ");
WindowPrint(W,5,0,"Disk Problem - Press a key");
getch();
WindowClose(W);
}
n = fwrite(&ActiveFiles,sizeof(int),1,file);
if(n)
{ int d;

ClearScreen(0x1b);
cursor(10,17);
puts("Writing Data");
cursor(10,12);
puts("<");
cursor(10,35);
puts(">");
cursor(10,13);
d = (ActiveFiles /21)+1;
for(i = 0;i < ActiveFiles;i++)
{ if(!(i % d)) putch('.');
n = fwrite(DiskEntry[i],DiskEntry[i]->Length,1,file);

if(!n)
{ window *W;
W = WindowOpen(1,10,10,6,60,0x0c,0x0a," WARNING ");
WindowPrint(W,0,0,"Disk Problem");
WindowPrint(W,2,0,perror("write data "));
getch();
WindowClose(W);
break;
}
}
}
fclose(file);
}



  3 Responses to “Category : Databases and related files
Archive   : DISKLIB.ZIP
Filename : LIBFILE.C

  1. Very nice! Thank you for this wonderful archive. I wonder why I found it only now. Long live the BBS file archives!

  2. This is so awesome! 😀 I’d be cool if you could download an entire archive of this at once, though.

  3. But one thing that puzzles me is the “mtswslnkmcjklsdlsbdmMICROSOFT” string. There is an article about it here. It is definitely worth a read: http://www.os2museum.com/wp/mtswslnk/