[src/trunk]: src/usr.bin/sort add a description about what was being attempte...

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

details:   https://anonhg.NetBSD.org/src/rev/354bf6f5c058
branches:  trunk
changeset: 339713:354bf6f5c058
user:      mrg <mrg%NetBSD.org@localhost>
date:      Wed Aug 05 07:10:03 2015 +0000

description:
add a description about what was being attempted to failed writes messages.

diffstat:

 usr.bin/sort/files.c |  13 ++++++++-----
 usr.bin/sort/sort.h  |   6 +++---
 2 files changed, 11 insertions(+), 8 deletions(-)

diffs (69 lines):

diff -r 261cae0f58ff -r 354bf6f5c058 usr.bin/sort/files.c
--- a/usr.bin/sort/files.c      Wed Aug 05 07:02:20 2015 +0000
+++ b/usr.bin/sort/files.c      Wed Aug 05 07:10:03 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: files.c,v 1.41 2009/11/06 18:34:22 joerg Exp $ */
+/*     $NetBSD: files.c,v 1.42 2015/08/05 07:10:03 mrg Exp $   */
 
 /*-
  * Copyright (c) 2000-2003 The NetBSD Foundation, Inc.
@@ -64,7 +64,7 @@
 #include "sort.h"
 #include "fsort.h"
 
-__RCSID("$NetBSD: files.c,v 1.41 2009/11/06 18:34:22 joerg Exp $");
+__RCSID("$NetBSD: files.c,v 1.42 2015/08/05 07:10:03 mrg Exp $");
 
 #include <string.h>
 
@@ -226,7 +226,8 @@
 void
 putrec(const RECHEADER *rec, FILE *fp)
 {
-       EWRITE(rec, 1, REC_ROUNDUP(offsetof(RECHEADER, data) + rec->length), fp);
+       EWRITE(rec, 1, REC_ROUNDUP(offsetof(RECHEADER, data) + rec->length), fp,
+              "failed to write temp file");
 }
 
 /*
@@ -235,7 +236,8 @@
 void
 putline(const RECHEADER *rec, FILE *fp)
 {
-       EWRITE(rec->data+rec->offset, 1, rec->length - rec->offset, fp);
+       EWRITE(rec->data+rec->offset, 1, rec->length - rec->offset, fp,
+              "failed to write");
 }
 
 /*
@@ -244,7 +246,8 @@
 void
 putkeydump(const RECHEADER *rec, FILE *fp)
 {
-       EWRITE(rec, 1, REC_ROUNDUP(offsetof(RECHEADER, data) + rec->offset), fp);
+       EWRITE(rec, 1, REC_ROUNDUP(offsetof(RECHEADER, data) + rec->offset), fp,
+              "failed to write debug key");
 }
 
 /*
diff -r 261cae0f58ff -r 354bf6f5c058 usr.bin/sort/sort.h
--- a/usr.bin/sort/sort.h       Wed Aug 05 07:02:20 2015 +0000
+++ b/usr.bin/sort/sort.h       Wed Aug 05 07:10:03 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: sort.h,v 1.34 2011/09/16 15:39:29 joerg Exp $  */
+/*     $NetBSD: sort.h,v 1.35 2015/08/05 07:10:03 mrg Exp $    */
 
 /*-
  * Copyright (c) 2000-2003 The NetBSD Foundation, Inc.
@@ -100,9 +100,9 @@
                err(2, "%p", file);                                     \
 }
 
-#define        EWRITE(ptr, size, n, f) {                                       \
+#define        EWRITE(ptr, size, n, f, fmt) {                                  \
        if (!fwrite(ptr, size, n, f))                                   \
-                err(2, NULL);                                          \
+                err(2, fmt);                                           \
 }
 
 /* Records are limited to MAXBUFSIZE (8MB) and less if you want to sort