[PATCH 2/3] tee.2: use proper types in example, declare variables at point-of-use

[наб <nabijaczleweli@nabijaczleweli.xyz>]

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---
 man2/tee.2 | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/man2/tee.2 b/man2/tee.2
index 14a927c93..17b93882d 100644
--- a/man2/tee.2
+++ b/man2/tee.2
@@ -163,15 +163,12 @@ Tue Oct 28 10:06:00 CET 2014
 int
 main(int argc, char *argv[])
 {
-    int fd;
-    int len, slen;
-
     if (argc != 2) {
         fprintf(stderr, "Usage: %s <file>\en", argv[0]);
         exit(EXIT_FAILURE);
     }
 
-    fd = open(argv[1], O_WRONLY | O_CREAT | O_TRUNC, 0644);
+    int fd = open(argv[1], O_WRONLY | O_CREAT | O_TRUNC, 0644);
     if (fd == \-1) {
         perror("open");
         exit(EXIT_FAILURE);
@@ -181,9 +178,8 @@ main(int argc, char *argv[])
         /*
          * tee stdin to stdout.
          */
-        len = tee(STDIN_FILENO, STDOUT_FILENO,
-                  INT_MAX, SPLICE_F_NONBLOCK);
-
+        ssize_t len = tee(STDIN_FILENO, STDOUT_FILENO,
+                          INT_MAX, SPLICE_F_NONBLOCK);
         if (len < 0) {
             if (errno == EAGAIN)
                 continue;
@@ -197,8 +193,8 @@ main(int argc, char *argv[])
          * Consume stdin by splicing it to a file.
          */
         while (len > 0) {
-            slen = splice(STDIN_FILENO, NULL, fd, NULL,
-                          len, SPLICE_F_MOVE);
+            ssize_t slen = splice(STDIN_FILENO, NULL, fd, NULL,
+                                  len, SPLICE_F_MOVE);
             if (slen < 0) {
                 perror("splice");
                 break;
-- 
2.30.2


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