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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:49:46 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 09:49:46 +0000
commit50b37d4a27d3295a29afca2286f1a5a086142cec (patch)
tree9212f763934ee090ef72d823f559f52ce387f268 /src/lib/strlcat.c
parentInitial commit. (diff)
downloadfreeradius-upstream/3.2.1+dfsg.tar.xz
freeradius-upstream/3.2.1+dfsg.zip
Adding upstream version 3.2.1+dfsg.upstream/3.2.1+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--src/lib/strlcat.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/src/lib/strlcat.c b/src/lib/strlcat.c
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--- /dev/null
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+/*
+ * strlcat.c Concatenate strings.
+ *
+ * Version: $Id$
+ *
+ */
+
+/*
+ * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Copyright 2006 The FreeRADIUS server project
+ */
+
+RCSID("$Id$")
+
+#ifndef HAVE_STRLCAT
+
+#include <freeradius-devel/missing.h>
+
+/*
+ * Appends src to string dst of size siz (unlike strncat, siz is the
+ * full size of dst, not space left). At most siz-1 characters
+ * will be copied. Always NUL terminates (unless siz <= strlen(dst)).
+ * Returns strlen(src) + MIN(siz, strlen(initial dst)).
+ * If retval >= siz, truncation occurred.
+ */
+size_t
+strlcat(char *dst, char const *src, size_t siz)
+{
+ char *d = dst;
+ char const *s = src;
+ size_t n = siz;
+ size_t dlen;
+
+ /* Find the end of dst and adjust bytes left but don't go past end */
+ while (n-- != 0 && *d != '\0')
+ d++;
+ dlen = d - dst;
+ n = siz - dlen;
+
+ if (n == 0)
+ return(dlen + strlen(s));
+ while (*s != '\0') {
+ if (n != 1) {
+ *d++ = *s;
+ n--;
+ }
+ s++;
+ }
+ *d = '\0';
+
+ return(dlen + (s - src)); /* count does not include NUL */
+}
+
+#endif