annotate buf_vprintf.3 @ 21:939fe74cd80a

buf: switch to int from bool
author David Demelier <markand@malikania.fr>
date Wed, 24 Feb 2021 11:39:26 +0100
parents b1991ee4451d
children d87e84936795
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1 .\"
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2 .\" buf_vprintf.3 -- simple string buffer for C
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3 .\"
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4 .\" Copyright (c) 2019-2020 David Demelier <markand@malikania.fr>
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5 .\"
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6 .\" Permission to use, copy, modify, and/or distribute this software for any
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7 .\" purpose with or without fee is hereby granted, provided that the above
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8 .\" copyright notice and this permission notice appear in all copies.
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9 .\"
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10 .\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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11 .\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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12 .\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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13 .\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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14 .\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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15 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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16 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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17 .\"
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18 .Dd October 29, 2019-2020
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19 .Dt BUF_VPRINTF 3
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20 .Os
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21 .\" NAME
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22 .Sh NAME
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23 .Nm buf_vprintf
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24 .Nd write a to a buffer using printf(3) like format
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25 .\" SYNOPSIS
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26 .Sh SYNOPSIS
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27 .In buf.h
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28 .Ft int
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29 .Fn buf_vprintf "struct buf *b" "const char *fmt" "va_list ap"
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30 .\" DESCRIPTION
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31 .Sh DESCRIPTION
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32 This function is the synonym of
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33 .Fn buf_printf
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34 but use a
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35 .Vt va_list
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36 argument instead.
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37 .Pp
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38 See
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39 .Xr buf_printf 3
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40 for more details.
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41 .\" RETURN VALUE
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42 .Sh RETURN VALUE
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43 The
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44 .Fn buf_vprintf
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45 function returns -1 in case of error and
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46 .Va errno
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47 is set to indicate the error.
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48 .\" ERRORS
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49 .Sh ERRORS
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50 .Bl -tag -width Er
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51 .It Bq Er ENOMEM
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52 Couldn't allocate more memory.
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53 .El
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54 .\" SEE ALSO
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55 .Sh SEE ALSO
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56 .Xr libbuf 3 ,
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57 .Xr buf_printf 3
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58 .\" AUTHORS
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59 .Sh AUTHORS
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60 The
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61 .Nm libbuf
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62 library was written by
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63 .An David Demelier <markand@malikania.fr>