DataMuseum.dk

Presents historical artifacts from the history of:

DKUUG/EUUG Conference tapes

This is an automatic "excavation" of a thematic subset of
artifacts from Datamuseum.dk's BitArchive.

See our Wiki for more about DKUUG/EUUG Conference tapes

Excavated with: AutoArchaeologist - Free & Open Source Software. 

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Index: T f

⟦d9a4f47f9⟧ TextFile

    Length: 742 (0x2e6)
    Types: TextFile
    Names: »fdcompare.c«

Derivation

└─⟦9ae75bfbd⟧ Bits:30007242 EUUGD3: Starter Kit
    └─⟦3658e588a⟧ »EurOpenD3/mail/mh/mh-6.7.tar.Z« 
        └─⟦c75e36ecb⟧ 
            └─⟦this⟧ »mh-6.7/sbr/fdcompare.c«

TextFile

/* fdcompare.c - are two files identical? */

#include "../h/mh.h"
#include <stdio.h>

long lseek();


fdcompare (fd1, fd2)
register int fd1,
	     fd2;
{
    register int    i,
		    n1,
                    n2,
                    resp;
    register char  *c1,
                   *c2;
    char    b1[BUFSIZ],
            b2[BUFSIZ];

    resp = 1;
    while ((n1 = read (fd1, b1, sizeof b1)) >= 0
	    && (n2 = read (fd2, b2, sizeof b2)) >= 0
	    && n1 == n2) {
	c1 = b1;
	c2 = b2;
	for (i = n1 < sizeof b1 ? n1 : sizeof b1; i--;)
	    if (*c1++ != *c2++) {
		resp = 0;
		goto leave;
	    }
	if (n1 < sizeof b1)
	    goto leave;
    }
    resp = 0;

leave: ;
    (void) lseek (fd1, 0L, 0);
    (void) lseek (fd2, 0L, 0);
    return resp;
}