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NAMEBIO_f_buffer - buffering BIO
#include <openssl/bio.h> BIO_METHOD * BIO_f_buffer(void); #define BIO_get_buffer_num_lines(b) BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL) #define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0) #define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1) #define BIO_set_buffer_size(b,size) BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL) #define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf)
DESCRIPTIONBIO_f_buffer() returns the buffering
Data written to a buffering
Calling BIO_reset() on a buffering
BIO_get_buffer_num_lines() returns the number of lines currently buffered.
BIO_set_read_buffer_size(), BIO_set_write_buffer_size() and BIO_set_buffer_size() set the read, write or both read and write buffer sizes to size. The initial buffer size is
BIO_set_buffer_read_data() clears the read buffer and fills it with num bytes of buf. If num is larger than the current buffer size the buffer is expanded.
NOTESBuffering BIOs implement BIO_gets() by using BIO_read() operations on the next
Data is only written to the next
RETURN VALUESBIO_f_buffer() returns the buffering
BIO_get_buffer_num_lines() returns the number of lines buffered (may be 0).
BIO_set_read_buffer_size(), BIO_set_write_buffer_size() and BIO_set_buffer_size() return 1 if the buffer was successfully resized or 0 for failure.
BIO_set_buffer_read_data() returns 1 if the data was set correctly or 0 if there was an error.