Category : Files from Magazines
Archive   : PCTV4N3.ZIP
Filename : PRFILE.C

 
Output of file : PRFILE.C contained in archive : PCTV4N3.ZIP
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þx Rv –Ñ*û $Ѭ%ÑÑû ÑÑÑÑÑÑ/* prfile.c
* Provides an example of how to map a file into
* your address space under Windows NT.
* Copyright (C) 1993 by Nicholas Wilt. All rights reserved.
*/

#include
#include

#define PFILE_ER_BADFILENAME 1
#define PFILE_ER_FILESIZE 2
#define PFILE_ER_TOOBIG 3
#define PFILE_ER_MAPPING 4
#define PFILE_ER_MAPVIEW 5

int
PrintFile(char *filename)
{
HANDLE hFile;
OFSTRUCT os;
HANDLE fileMap;
LPVOID baseaddr;
DWORD loBytes, hiBytes;
char *sc;

/* First, open the file for reading */
hFile = CreateFile(filename, GENERIC_READ, FILE_SHARE_READ,
NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (! hFile)
return -PFILE_ER_BADFILENAME;

/* Figure out how big the file is */
loBytes = GetFileSize(hFile, &hiBytes);
if (loBytes == -1)
return -PFILE_ER_FILESIZE;

/* PrintFile doesn't support files greater than 4 GB */
if (hiBytes)
return -PFILE_ER_TOOBIG;

/* Create the file mapping object */
fileMap = CreateFileMapping(hFile, NULL, PAGE_READONLY,
0, 0, NULL);
if (! fileMap)
return -PFILE_ER_MAPPING;

/* Map the file into our address space */
sc = baseaddr = MapViewOfFile(fileMap, FILE_MAP_READ, 0, 0, 0);
if (! baseaddr)
return -PFILE_ER_MAPVIEW;

/* Scan through the file and print each
* character in it.
*/
while (loBytes--) {
printf("%c", *sc++);
}

UnmapViewOfFile(baseaddr);
CloseHandle(fileMap);
CloseHandle((HANDLE) hFile);
return 0;
}

int
main(int argc, char *argv[])
{
int ret;
if (argc != 2) {
fprintf(stderr, "Usage: %s file\n", argv[0]);
exit(1);
}
if (ret = PrintFile(argv[1]))
fprintf(stderr, "PrintFile returned error: %d\n", ret);
return 0;
}

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  3 Responses to “Category : Files from Magazines
Archive   : PCTV4N3.ZIP
Filename : PRFILE.C
”

  1. Daniel says:
    January 27, 2013 at 3:59 pm

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

  2. Joshie says:
    March 18, 2014 at 4:57 pm

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

  3. DiskingRound says:
    January 14, 2015 at 10:57 pm

    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/