1.\" Automatically generated by Pod::Man 2.22 (Pod::Simple 3.07)
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3.\" Standard preamble:
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48.\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index
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62.\"
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124.\" ========================================================================
125.\"
126.IX Title "BIO_f_buffer 3"
127.TH BIO_f_buffer 3 "2010-11-16" "0.9.8p" "OpenSSL"
128.\" For nroff, turn off justification. Always turn off hyphenation; it makes
129.\" way too many mistakes in technical documents.
130.if n .ad l
131.nh
132.SH "NAME"
133BIO_f_buffer \- buffering BIO
134.SH "SYNOPSIS"
135.IX Header "SYNOPSIS"
136.Vb 1
137\& #include <openssl/bio.h>
138\&
139\& BIO_METHOD * BIO_f_buffer(void);
140\&
141\& #define BIO_get_buffer_num_lines(b) BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL)
142\& #define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0)
143\& #define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1)
144\& #define BIO_set_buffer_size(b,size) BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL)
145\& #define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf)
146.Ve
147.SH "DESCRIPTION"
148.IX Header "DESCRIPTION"
--- 5 unchanged lines hidden (view full) ---
154Both \fIBIO_gets()\fR and \fIBIO_puts()\fR are supported.
155.PP
156Calling \fIBIO_reset()\fR on a buffering \s-1BIO\s0 clears any buffered data.
157.PP
158\&\fIBIO_get_buffer_num_lines()\fR returns the number of lines currently buffered.
159.PP
160\&\fIBIO_set_read_buffer_size()\fR, \fIBIO_set_write_buffer_size()\fR and \fIBIO_set_buffer_size()\fR
161set the read, write or both read and write buffer sizes to \fBsize\fR. The initial
162buffer size is \s-1DEFAULT_BUFFER_SIZE\s0, currently 4096. Any attempt to reduce the
163buffer size below \s-1DEFAULT_BUFFER_SIZE\s0 is ignored. Any buffered data is cleared
164when the buffer is resized.
165.PP
166\&\fIBIO_set_buffer_read_data()\fR clears the read buffer and fills it with \fBnum\fR
167bytes of \fBbuf\fR. If \fBnum\fR is larger than the current buffer size the buffer
168is expanded.
169.SH "NOTES"
170.IX Header "NOTES"
--- 15 unchanged lines hidden (view full) ---
186.PP
187\&\fIBIO_set_read_buffer_size()\fR, \fIBIO_set_write_buffer_size()\fR and \fIBIO_set_buffer_size()\fR
188return 1 if the buffer was successfully resized or 0 for failure.
189.PP
190\&\fIBIO_set_buffer_read_data()\fR returns 1 if the data was set correctly or 0 if
191there was an error.
192.SH "SEE ALSO"
193.IX Header "SEE ALSO"
194\&\s-1\fIBIO\s0\fR\|(3),
195\&\fIBIO_reset\fR\|(3),
196\&\fIBIO_flush\fR\|(3),
197\&\fIBIO_pop\fR\|(3),
198\&\fIBIO_ctrl\fR\|(3),
199\&\fIBIO_int_ctrl\fR\|(3)
2.\"
3.\" Standard preamble:
4.\" ========================================================================
5.de Sp \" Vertical space (when we can't use .PP)
6.if t .sp .5v
7.if n .sp
8..
9.de Vb \" Begin verbatim text
10.ft CW
11.nf
12.ne \\$1
13..
14.de Ve \" End verbatim text
15.ft R
16.fi
17..
18.\" Set up some character translations and predefined strings. \*(-- will
19.\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left
20.\" double quote, and \*(R" will give a right double quote. \*(C+ will
21.\" give a nicer C++. Capital omega is used to do unbreakable dashes and
22.\" therefore won't be available. \*(C` and \*(C' expand to `' in nroff,
23.\" nothing in troff, for use with C<>.
24.tr \(*W-
25.ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p'
26.ie n \{\
27. ds -- \(*W-
28. ds PI pi
29. if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch
30. if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch
31. ds L" ""
32. ds R" ""
33. ds C` ""
34. ds C' ""
35'br\}
36.el\{\
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40. ds R" ''
41'br\}
42.\"
43.\" Escape single quotes in literal strings from groff's Unicode transform.
44.ie \n(.g .ds Aq \(aq
45.el .ds Aq '
46.\"
47.\" If the F register is turned on, we'll generate index entries on stderr for
48.\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index
49.\" entries marked with X<> in POD. Of course, you'll have to process the
50.\" output yourself in some meaningful fashion.
51.ie \nF \{\
52. de IX
53. tm Index:\\$1\t\\n%\t"\\$2"
54..
55. nr % 0
56. rr F
57.\}
58.el \{\
59. de IX
60..
61.\}
62.\"
63.\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2).
64.\" Fear. Run. Save yourself. No user-serviceable parts.
65. \" fudge factors for nroff and troff
66.if n \{\
67. ds #H 0
68. ds #V .8m
69. ds #F .3m
70. ds #[ \f1
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119. ds Th \o'LP'
120. ds ae ae
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122.\}
123.rm #[ #] #H #V #F C
124.\" ========================================================================
125.\"
126.IX Title "BIO_f_buffer 3"
127.TH BIO_f_buffer 3 "2010-11-16" "0.9.8p" "OpenSSL"
128.\" For nroff, turn off justification. Always turn off hyphenation; it makes
129.\" way too many mistakes in technical documents.
130.if n .ad l
131.nh
132.SH "NAME"
133BIO_f_buffer \- buffering BIO
134.SH "SYNOPSIS"
135.IX Header "SYNOPSIS"
136.Vb 1
137\& #include <openssl/bio.h>
138\&
139\& BIO_METHOD * BIO_f_buffer(void);
140\&
141\& #define BIO_get_buffer_num_lines(b) BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL)
142\& #define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0)
143\& #define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1)
144\& #define BIO_set_buffer_size(b,size) BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL)
145\& #define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf)
146.Ve
147.SH "DESCRIPTION"
148.IX Header "DESCRIPTION"
--- 5 unchanged lines hidden (view full) ---
154Both \fIBIO_gets()\fR and \fIBIO_puts()\fR are supported.
155.PP
156Calling \fIBIO_reset()\fR on a buffering \s-1BIO\s0 clears any buffered data.
157.PP
158\&\fIBIO_get_buffer_num_lines()\fR returns the number of lines currently buffered.
159.PP
160\&\fIBIO_set_read_buffer_size()\fR, \fIBIO_set_write_buffer_size()\fR and \fIBIO_set_buffer_size()\fR
161set the read, write or both read and write buffer sizes to \fBsize\fR. The initial
162buffer size is \s-1DEFAULT_BUFFER_SIZE\s0, currently 4096. Any attempt to reduce the
163buffer size below \s-1DEFAULT_BUFFER_SIZE\s0 is ignored. Any buffered data is cleared
164when the buffer is resized.
165.PP
166\&\fIBIO_set_buffer_read_data()\fR clears the read buffer and fills it with \fBnum\fR
167bytes of \fBbuf\fR. If \fBnum\fR is larger than the current buffer size the buffer
168is expanded.
169.SH "NOTES"
170.IX Header "NOTES"
--- 15 unchanged lines hidden (view full) ---
186.PP
187\&\fIBIO_set_read_buffer_size()\fR, \fIBIO_set_write_buffer_size()\fR and \fIBIO_set_buffer_size()\fR
188return 1 if the buffer was successfully resized or 0 for failure.
189.PP
190\&\fIBIO_set_buffer_read_data()\fR returns 1 if the data was set correctly or 0 if
191there was an error.
192.SH "SEE ALSO"
193.IX Header "SEE ALSO"
194\&\s-1\fIBIO\s0\fR\|(3),
195\&\fIBIO_reset\fR\|(3),
196\&\fIBIO_flush\fR\|(3),
197\&\fIBIO_pop\fR\|(3),
198\&\fIBIO_ctrl\fR\|(3),
199\&\fIBIO_int_ctrl\fR\|(3)