发信人: kingfox()
整理人: yangcs(2000-01-21 14:32:49), 站内信件
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#include <string.h>
#include <stdio.h>
//--------------------------------------------------------------------
-------
char FileName[256];
char DestPath[256];
char DestFile[256];
char ListFile[256];
int main()
{
FILE *ifp, *ofp, *fpList;
long FragSize;
long Number, Index;
char Buf;
do {
printf( "Source file: " );
scanf( "%s", FileName );
ifp = fopen( FileName, "rb" );
if ( ifp == NULL )
printf( "Error file name: can not open dource file !\n" );
} while( ifp == NULL );
printf( "Destination path: " );
scanf( "%s", DestPath );
if ( DestPath[strlen(DestPath)-1] != '\\' )
strcat( DestPath, "\\" );
printf( "The size of file frag(BYTE): " );
scanf( "%D", &FragSize );
printf( "Fraging, please wait ...\n" );
sprintf( ListFile, "%sfragment.lst", DestPath );
fpList = fopen( ListFile, "w" );
fprintf( fpList, "%s\n", FileName );
for( Number = 0; ; Number ++ )
{
sprintf( DestFile, "frag%04d", Number );
fprintf( fpList, "%s\n", DestFile );
sprintf( DestFile, "%sfrag%04d", DestPath, Number );
printf( "Creating file %s ...\n", DestFile );
ofp = fopen( DestFile, "wb" );
if ( ofp == NULL )
{
fclose( ifp );
printf( "Error: can't create splited file !\n" );
return -1;
}
for( Index = 0; Index < FragSize; Index ++ )
{
fread( &Buf, 1, 1, ifp );
if ( feof( ifp ) )
{
fclose( ofp );
fclose( ifp );
printf( "Success to create frag file !\n" );
return 0;
}
fwrite( &Buf, 1, 1, ofp );
}
fclose( ofp );
}
}
--
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