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| 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 --- 48 unchanged lines hidden (view full) --- 119. ds Th \o'LP' 120. ds ae ae 121. ds Ae AE 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) |