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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:16:24 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:16:24 +0000
commit9221dca64f0c8b5de72727491e41cf63e902eaab (patch)
treed8cbbf520eb4b5c656a54b2e36947008dcb751ad /gl/lib/strnlen1.c
parentInitial commit. (diff)
downloadman-db-9221dca64f0c8b5de72727491e41cf63e902eaab.tar.xz
man-db-9221dca64f0c8b5de72727491e41cf63e902eaab.zip
Adding upstream version 2.8.5.upstream/2.8.5upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--gl/lib/strnlen1.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/gl/lib/strnlen1.c b/gl/lib/strnlen1.c
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+/* Find the length of STRING + 1, but scan at most MAXLEN bytes.
+ Copyright (C) 2005-2006, 2009-2019 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+/* Specification. */
+#include "strnlen1.h"
+
+#include <string.h>
+
+/* Find the length of STRING + 1, but scan at most MAXLEN bytes.
+ If no '\0' terminator is found in that many characters, return MAXLEN. */
+/* This is the same as strnlen (string, maxlen - 1) + 1. */
+size_t
+strnlen1 (const char *string, size_t maxlen)
+{
+ const char *end = (const char *) memchr (string, '\0', maxlen);
+ if (end != NULL)
+ return end - string + 1;
+ else
+ return maxlen;
+}