-
/*
- * fdcompare.c -- are two files identical?
- *
- * This code is Copyright (c) 2002, by the authors of nmh. See the
- * COPYRIGHT file in the root directory of the nmh distribution for
- * complete copyright information.
- */
+** fdcompare.c -- are two files identical?
+**
+** This code is Copyright (c) 2002, by the authors of nmh. See the
+** COPYRIGHT file in the root directory of the nmh distribution for
+** complete copyright information.
+*/
#include <h/mh.h>
int
-fdcompare (int fd1, int fd2)
+fdcompare(int fd1, int fd2)
{
- register int i, n1, n2, resp;
- register char *c1, *c2;
- char b1[BUFSIZ], b2[BUFSIZ];
+ 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;
+ 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: ;
- lseek (fd1, (off_t) 0, SEEK_SET);
- lseek (fd2, (off_t) 0, SEEK_SET);
- return resp;
+ lseek(fd1, (off_t) 0, SEEK_SET);
+ lseek(fd2, (off_t) 0, SEEK_SET);
+ return resp;
}