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strlcpy.c: Update to OpenBSD v1.12, readability fixes
Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
@@ -14,6 +14,7 @@ All notable changes to the project are documented in this file.
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target. Needed by [Finit][].
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- Note, this release update `queue.h` to OpenBSD v1.43, which removes
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support for circular queues (CIRCLEQ).
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- Update `strlcpy.c` to OpenBSD v1.12, readability fixes.
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[v1.2.0][] - 2015-11-23
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@@ -1,7 +1,7 @@
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/* $OpenBSD: strlcpy.c,v 1.11 2006/05/05 15:27:38 millert Exp $ */
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/* $OpenBSD: strlcpy.c,v 1.12 2015/01/15 03:54:12 millert Exp $ */
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/*
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* Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
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* Copyright (c) 1998, 2015 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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@@ -21,41 +21,32 @@
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#ifndef strlcpy
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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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* Copy string src to buffer dst of size dsize. At most dsize-1
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* chars will be copied. Always NUL terminates (unless dsize == 0).
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* Returns strlen(src); if retval >= dsize, truncation occurred.
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*/
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size_t
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strlcpy(char *dst, const char *src, size_t siz)
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strlcpy(char *dst, const char *src, size_t dsize)
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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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const char *osrc = src;
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size_t nleft = dsize;
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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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/* Copy as many bytes as will fit. */
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if (nleft != 0) {
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while (--nleft != 0) {
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if ((*dst++ = *src++) == '\0')
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break;
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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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/* Not enough room in dst, add NUL and traverse rest of src. */
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if (nleft == 0) {
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if (dsize != 0)
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*dst = '\0'; /* NUL-terminate dst */
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while (*src++)
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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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return(src - osrc - 1); /* count does not include NUL */
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}
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#endif
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/**
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* Local Variables:
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* version-control: t
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* c-file-style: "bsd"
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* End:
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*/
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