[src/trunk]: src/external/bsd/nvi/dist/common Fix resource leaks due to missi...

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

details:   https://anonhg.NetBSD.org/src/rev/c1d036a92373
branches:  trunk
changeset: 827964:c1d036a92373
user:      rin <rin%NetBSD.org@localhost>
date:      Tue Nov 21 02:11:44 2017 +0000

description:
Fix resource leaks due to missing of iconv_close(3).

diffstat:

 external/bsd/nvi/dist/common/conv.c |  15 ++++++++++-----
 1 files changed, 10 insertions(+), 5 deletions(-)

diffs (64 lines):

diff -r c4b21c5d50b4 -r c1d036a92373 external/bsd/nvi/dist/common/conv.c
--- a/external/bsd/nvi/dist/common/conv.c       Tue Nov 21 02:04:39 2017 +0000
+++ b/external/bsd/nvi/dist/common/conv.c       Tue Nov 21 02:11:44 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: conv.c,v 1.8 2017/11/21 02:00:29 rin Exp $ */
+/*     $NetBSD: conv.c,v 1.9 2017/11/21 02:11:44 rin Exp $ */
 /*-
  * Copyright (c) 1993, 1994
  *     The Regents of the University of California.  All rights reserved.
@@ -16,7 +16,7 @@
 static const char sccsid[] = "Id: conv.c,v 1.27 2001/08/18 21:41:41 skimo Exp  (Berkeley) Date: 2001/08/18 21:41:41 ";
 #endif /* not lint */
 #else
-__RCSID("$NetBSD: conv.c,v 1.8 2017/11/21 02:00:29 rin Exp $");
+__RCSID("$NetBSD: conv.c,v 1.9 2017/11/21 02:11:44 rin Exp $");
 #endif
 
 #include <sys/types.h>
@@ -151,7 +151,7 @@
        j += n;
        if (++i >= *blen) {
            nlen += 256;
-           BINC_RETW(NULL, *tostr, *blen, nlen);
+           BINC_GOTOW(NULL, *tostr, *blen, nlen);
        }
        if (id != (iconv_t)-1 && j == len && left) {
            CONVERT(str, left, src, len);
@@ -167,6 +167,7 @@
 
     return 0;
 err:
+alloc_err:
     *tolen = i;
     if (id != (iconv_t)-1)
        iconv_close(id);
@@ -269,7 +270,7 @@
            char *obp = (char *)cw->bp1 + offset;                       \
            if (cw->blen1 < offset + MB_CUR_MAX) {                      \
                nlen += 256;                                            \
-               BINC_RETC(NULL, cw->bp1, cw->blen1, nlen);              \
+               BINC_GOTOC(NULL, cw->bp1, cw->blen1, nlen);             \
            }                                                           \
            errno = 0;                                                  \
            ret = iconv(id, &bp, lenp, &obp, &outleft);                 \
@@ -322,14 +323,18 @@
        CONVERT2(buffer, &j, cw, offset);
        CONVERT2(NULL, NULL, cw, offset);  /* back to the initial state */
        *tolen = offset;
+       iconv_close(id);
     }
 
     *pdst = cw->bp1;
 
     return 0;
 err:
+alloc_err:
     *tolen = j;
-
+    if (id != (iconv_t)-1) {
+       iconv_close(id);
+    }
     *pdst = cw->bp1;
 
     return 1;