Replace some ints that are only ever 0 or 1 with bool.

[nmh] / sbr / fdcompare.c

diff --git a/sbr/fdcompare.c b/sbr/fdcompare.c
index 3956a7b947625ab7735eda1a7f6d6bb8762a1b80..925a026a152b37c2e2dca3039535f629d576122b 100644 (file)
--- a/sbr/fdcompare.c
+++ b/sbr/fdcompare.c
@@ -1,8 +1,8 @@
-
-/*
- * fdcompare.c -- are two files identical?
+/* fdcompare.c -- are two files identical?
  *
- * $Id$
+ * 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>
@@ -11,28 +11,28 @@
 int
 fdcompare (int fd1, int fd2)
 {
-    register int i, n1, n2, resp;
-    register char *c1, *c2;
+    int i, n1, n2;
+    char *c1, *c2;
     char b1[BUFSIZ], b2[BUFSIZ];
 
-    resp = 1;
+    bool resp = true;
     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--;)
+       for (i = n1 < (int) sizeof(b1) ? n1 : (int) sizeof(b1); i--;)
            if (*c1++ != *c2++) {
-               resp = 0;
+               resp = false;
                goto leave;
            }
-       if (n1 < sizeof(b1))
+       if (n1 < (int) sizeof(b1))
            goto leave;
     }
-    resp = 0;
+    resp = false;
 
 leave: ;
-    lseek (fd1, (off_t) 0, SEEK_SET);
-    lseek (fd2, (off_t) 0, SEEK_SET);
+    lseek(fd1, 0, SEEK_SET);
+    lseek(fd2, 0, SEEK_SET);
     return resp;
 }