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Add man pages for memset_s(3) and memcpy_s(3)
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Dag-Erling Smørgrav
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3 changed files with 230 additions and 0 deletions
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@ -22,6 +22,8 @@ libcryb_core_la_SOURCES = \
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EXTRA_DIST = cryb_string_impl.c
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dist_man3_MANS = \
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cryb_memcpy_s.3 \
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cryb_memset_s.3 \
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cryb_strlcat.3 \
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cryb_strlcpy.3
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117
lib/core/cryb_memcpy_s.3
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117
lib/core/cryb_memcpy_s.3
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@ -0,0 +1,117 @@
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.\"-
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.\" Copyright (c) 2015 Universitetet i Oslo
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. The name of the author may not be used to endorse or promote
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.\" products derived from this software without specific prior written
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.\" permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.Dd December 15, 2015
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.Dt cryb_memcpy_s 3
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.Os
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.Sh NAME
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.Nm cryb_memcpy_s
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.Nd safely copy one buffer to another
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.Sh LIBRARY
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.Lb libcryb-core
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.Sh SYNOPSIS
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.In cryb/memcpy_s.h
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.Ft void *
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.Fn cryb_memcpy_s "void *d" "size_t dsz" "const void *s" "size_t n"
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.Sh DESCRIPTION
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The
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.Nm cryb_memcpy_s
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function copies the first
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.Va n
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bytes of the buffer pointed to by
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.Va s
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into the buffer pointed to by
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.Va d ,
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of size
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.Va dsz .
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If
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.Va s
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is
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.Dv NULL ,
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.Va n
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is greater than
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.Va dsz
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or
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.Dv SIZE_MAX
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or the source and destination overlap, the buffer pointed to by
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.Va d
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is filled with zeroes and an error is returned.
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.Sh RETURN VALUES
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The
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.Fn cryb_memcpy_s
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function returns zero if successful and a non-zero error code if an
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error occurred.
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.Sh ERRORS
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.Bl -tag -width Er
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.It Bq Er EINVAL
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The
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.Va d
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argument was
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.Dv NULL
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or the source and destination ranges were found to overlap.
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.It Bq Er ERANGE
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Either or both of the
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.Va dsz
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and
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.Va n
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arguments were greater than
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.Dv SIZE_MAX .
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.It Bq Er EOVERFLOW
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The
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.Va n
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argument was greater than the
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.Va dsz
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argument.
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.El
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.Sh IMPLEMENTATION NOTES
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If the
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.Dv HAVE_MEMCPY_S
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preprocessor macro is defined to 0 or undefined, the
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.In cryb/memcpy_s.h
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header provides a
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.Fn memcpy_s
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macro as an alias to
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.Fn cryb_memcpy_s .
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.Pp
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The argument and return types for
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.Nm
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differ from those of its C11 equivalent, as it is expected to be used
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in environments in which
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.Vt rsize_t
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and
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.Dv RSIZE_MAX
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are not defined.
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.Sh SEE ALSO
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.Xr cryb_memset_s 3 ,
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.Xr memcpy 3
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.Sh AUTHORS
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The
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.Fn cryb_memcpy_s
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function and this manual page were written for the University of Oslo
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by
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.An Dag-Erling Sm\(/orgrav Aq Mt d.e.smorgrav@usit.uio.no .
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111
lib/core/cryb_memset_s.3
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111
lib/core/cryb_memset_s.3
Normal file
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@ -0,0 +1,111 @@
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.\"-
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.\" Copyright (c) 2015 Universitetet i Oslo
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. The name of the author may not be used to endorse or promote
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.\" products derived from this software without specific prior written
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.\" permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.Dd December 15, 2015
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.Dt cryb_memset_s 3
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.Os
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.Sh NAME
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.Nm cryb_memset_s
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.Nd safely fill a buffer
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.Sh LIBRARY
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.Lb libcryb-core
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.Sh SYNOPSIS
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.In cryb/memset_s.h
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.Ft void *
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.Fn cryb_memset_s "void *d" "size_t dsz" "int ch" "size_t n"
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.Sh DESCRIPTION
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The
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.Nm cryb_memset_s
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function overwrites the first
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.Va n
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bytes of the buffer pointed to by
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.Va d ,
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of size
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.Va dsz ,
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with copies of the least-significant byte of
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.Va ch .
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If
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.Va n
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is greater than
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.Va dsz ,
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only
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.Va dsz
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bytes are overwritten, and an error is returned.
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.Sh RETURN VALUES
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The
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.Nm
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function returns zero if successful and a non-zero error code if an
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error occurred.
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.Sh ERRORS
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.Bl -tag -width Er
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.It Bq Er EINVAL
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The
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.Va d
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argument was
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.Dv NULL .
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.It Bq Er ERANGE
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Either or both of the
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.Va dsz
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and
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.Va n
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arguments were greater than
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.Dv SIZE_MAX .
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.It Bq Er EOVERFLOW
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The
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.Va n
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argument was greater than the
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.Va dsz
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argument.
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.El
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.Sh IMPLEMENTATION NOTES
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If the
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.Dv HAVE_MEMSET_S
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preprocessor macro is defined to 0 or undefined, the
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.In cryb/memset_s.h
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header provides a
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.Fn memset_s
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macro as an alias to
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.Fn cryb_memset_s .
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.Pp
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The argument and return types for
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.Nm
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differ from those of its C11 equivalent, as it is expected to be used
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in environments in which
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.Vt rsize_t
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and
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.Dv RSIZE_MAX
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are not defined.
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.Sh SEE ALSO
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.Xr cryb_memcpy_s 3 ,
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.Xr memset 3
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.Sh AUTHORS
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The
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.Fn cryb_memset_s
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function and this manual page were written for the University of Oslo
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by
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.An Dag-Erling Sm\(/orgrav Aq Mt d.e.smorgrav@usit.uio.no .
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