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make the logic simpler, and handle dst_sz == 0

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@11146 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
2002-08-20 09:42:08 +00:00
parent b2434ed3c7
commit 75c2c8ea52
1 changed files with 15 additions and 15 deletions
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18
lib/roken/strlcpy.c
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 1995 - 1999 Kungliga Tekniska H<>gskolan
* Copyright (c) 1995-2002 Kungliga Tekniska H<>gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
@@ -44,16 +44,16 @@ size_t
strlcpy (char *dst, const char *src, size_t dst_sz)
{
size_t n;
char *p;
for (p = dst, n = 0;
n + 1 < dst_sz && *src != '\0';
++p, ++src, ++n)
*p = *src;
*p = '\0';
if (*src == '\0')
for (n = 0; n < dst_sz; n++) {
if ((*dst++ = *src++) == '\0')
break;
}
if (n < dst_sz)
return n;
else
if (n > 0)
*(dst - 1) = '\0';
return n + strlen (src);
}