[src/trunk]: src/usr.bin/csplit Compare return value of fputs(3) with EOF ins...

[cheusov <cheusov%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/dfc102d5cbca
branches:  trunk
changeset: 825791:dfc102d5cbca
user:      cheusov <cheusov%NetBSD.org@localhost>
date:      Sun Jul 30 23:02:53 2017 +0000

description:
Compare return value of fputs(3) with EOF instead of 0.
This is POSIX-ly correct and fixes csplit(1) on non-NetBSD systems.

diffstat:

 usr.bin/csplit/csplit.c |  12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

diffs (54 lines):

diff -r 9cd23ff69ba5 -r dfc102d5cbca usr.bin/csplit/csplit.c
--- a/usr.bin/csplit/csplit.c   Sun Jul 30 22:53:56 2017 +0000
+++ b/usr.bin/csplit/csplit.c   Sun Jul 30 23:02:53 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: csplit.c,v 1.6 2011/08/31 13:35:46 joerg Exp $ */
+/*     $NetBSD: csplit.c,v 1.7 2017/07/30 23:02:53 cheusov Exp $       */
 /*     $FreeBSD: src/usr.bin/csplit/csplit.c,v 1.9 2004/03/22 11:15:03 tjr Exp$        */
 
 /*-
@@ -47,7 +47,7 @@
 
 #include <sys/cdefs.h>
 #ifndef lint
-__RCSID("$NetBSD: csplit.c,v 1.6 2011/08/31 13:35:46 joerg Exp $");
+__RCSID("$NetBSD: csplit.c,v 1.7 2017/07/30 23:02:53 cheusov Exp $");
 #endif
 
 #include <sys/types.h>
@@ -201,7 +201,7 @@
        /* Copy the rest into a new file. */
        if (!feof(infile)) {
                ofp = newfile();
-               while ((p = get_line()) != NULL && fputs(p, ofp) == 0)
+               while ((p = get_line()) != NULL && fputs(p, ofp) != EOF)
                        ;
                if (!sflag)
                        (void)printf("%jd\n", (intmax_t)ftello(ofp));
@@ -403,7 +403,7 @@
        /* Read and output lines until we get a match. */
        first = 1;
        while ((p = get_line()) != NULL) {
-               if (fputs(p, ofp) != 0)
+               if (fputs(p, ofp) == EOF)
                        break;
                if (!first && regexec(&cre, p, 0, NULL, 0) == 0)
                        break;
@@ -429,7 +429,7 @@
                 * after the match.
                 */
                while (--ofs > 0 && (p = get_line()) != NULL)
-                       if (fputs(p, ofp) != 0)
+                       if (fputs(p, ofp) == EOF)
                                break;
                toomuch(NULL, 0L);
                nwritten = (intmax_t)ftello(ofp);
@@ -465,7 +465,7 @@
                while (lineno + 1 != lastline) {
                        if ((p = get_line()) == NULL)
                                errx(1, "%ld: out of range", lastline);
-                       if (fputs(p, ofp) != 0)
+                       if (fputs(p, ofp) == EOF)
                                break;
                }
                if (!sflag)