58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
$NetBSD: patch-source_Utility_regstrlcpy.c,v 1.1 2016/03/28 13:13:55 kamil Exp $
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--- source/Utility/regstrlcpy.c.orig 2016-01-23 13:45:52.000000000 +0000
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+++ source/Utility/regstrlcpy.c
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@@ -0,0 +1,52 @@
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+/*
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+ * This code is derived from OpenBSD's libc, original license follows:
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+ *
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+ * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
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+ *
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+ * Permission to use, copy, modify, and distribute this software for any
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+ * purpose with or without fee is hereby granted, provided that the above
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+ * copyright notice and this permission notice appear in all copies.
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+ *
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+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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+ */
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+
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+#include <sys/types.h>
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+#include <string.h>
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+
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+#include "lldb/Utility/regex_impl.h"
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+/*
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+ * Copy src to string dst of size siz. At most siz-1 characters
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+ * will be copied. Always NUL terminates (unless siz == 0).
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+ * Returns strlen(src); if retval >= siz, truncation occurred.
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+ */
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+size_t
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+llvm_strlcpy(char *dst, const char *src, size_t siz)
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+{
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+ char *d = dst;
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+ const char *s = src;
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+ size_t n = siz;
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+
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+ /* Copy as many bytes as will fit */
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+ if (n != 0) {
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+ while (--n != 0) {
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+ if ((*d++ = *s++) == '\0')
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+ break;
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+ }
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+ }
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+
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+ /* Not enough room in dst, add NUL and traverse rest of src */
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+ if (n == 0) {
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+ if (siz != 0)
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+ *d = '\0'; /* NUL-terminate dst */
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+ while (*s++)
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+ ;
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+ }
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+
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+ return(s - src - 1); /* count does not include NUL */
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+}
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