Mercurial > libbuf
comparison buf_dup.3 @ 21:939fe74cd80a
buf: switch to int from bool
author | David Demelier <markand@malikania.fr> |
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date | Wed, 24 Feb 2021 11:39:26 +0100 |
parents | b1991ee4451d |
children | d87e84936795 |
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20:08a6d4e6012d | 21:939fe74cd80a |
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23 .Nm buf_dup | 23 .Nm buf_dup |
24 .Nd duplicate a string buffer | 24 .Nd duplicate a string buffer |
25 .\" SYNOPSIS | 25 .\" SYNOPSIS |
26 .Sh SYNOPSIS | 26 .Sh SYNOPSIS |
27 .In buf.h | 27 .In buf.h |
28 .Ft bool | 28 .Ft int |
29 .Fn buf_dup "struct buf *b" "const struct buf *src" | 29 .Fn buf_dup "struct buf *b" "const struct buf *src" |
30 .\" DESCRIPTION | 30 .\" DESCRIPTION |
31 .Sh DESCRIPTION | 31 .Sh DESCRIPTION |
32 The pointer | 32 The pointer |
33 .Fa b | 33 .Fa b |
38 If the | 38 If the |
39 .Fa src | 39 .Fa src |
40 buffer isn't initialized (and contains a NULL data field) the destination | 40 buffer isn't initialized (and contains a NULL data field) the destination |
41 buffer | 41 buffer |
42 .Fa b | 42 .Fa b |
43 is unchanged but the function returns true. | 43 is unchanged but the function returns 0. |
44 .Pp | 44 .Pp |
45 Otherwise the | 45 Otherwise the |
46 .Fn buf_dup | 46 .Fn buf_dup |
47 function returns false in case of error and | 47 function returns -1 in case of error and |
48 .Va errno | 48 .Va errno |
49 is set to indicate the error. | 49 is set to indicate the error. |
50 .\" ERRORS | 50 .\" ERRORS |
51 .Sh ERRORS | 51 .Sh ERRORS |
52 .Bl -tag -width Er | 52 .Bl -tag -width Er |