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127.TH BIO_s_mem 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_s_mem, BIO_set_mem_eof_return, BIO_get_mem_data, BIO_set_mem_buf, 134BIO_get_mem_ptr, BIO_new_mem_buf \- memory BIO 135.SH "SYNOPSIS" 136.IX Header "SYNOPSIS" 137.Vb 1 138\& #include <openssl/bio.h> |
139\& |
140\& BIO_METHOD * BIO_s_mem(void); |
141\& |
142\& BIO_set_mem_eof_return(BIO *b,int v) 143\& long BIO_get_mem_data(BIO *b, char **pp) 144\& BIO_set_mem_buf(BIO *b,BUF_MEM *bm,int c) 145\& BIO_get_mem_ptr(BIO *b,BUF_MEM **pp) |
146\& |
147\& BIO *BIO_new_mem_buf(void *buf, int len); 148.Ve 149.SH "DESCRIPTION" 150.IX Header "DESCRIPTION" |
151\&\fIBIO_s_mem()\fR return the memory \s-1BIO\s0 method function. |
152.PP 153A memory \s-1BIO\s0 is a source/sink \s-1BIO\s0 which uses memory for its I/O. Data 154written to a memory \s-1BIO\s0 is stored in a \s-1BUF_MEM\s0 structure which is extended 155as appropriate to accommodate the stored data. 156.PP 157Any data written to a memory \s-1BIO\s0 can be recalled by reading from it. 158Unless the memory \s-1BIO\s0 is read only any data read from it is deleted from 159the \s-1BIO\s0. --- 63 unchanged lines hidden (view full) --- 223\& BIO_puts(mem, "Hello World\en"); 224.Ve 225.PP 226Create a read only memory \s-1BIO:\s0 227.PP 228.Vb 3 229\& char data[] = "Hello World"; 230\& BIO *mem; |
231\& mem = BIO_new_mem_buf(data, \-1); |
232.Ve 233.PP 234Extract the \s-1BUF_MEM\s0 structure from a memory \s-1BIO\s0 and then free up the \s-1BIO:\s0 235.PP 236.Vb 4 237\& BUF_MEM *bptr; 238\& BIO_get_mem_ptr(mem, &bptr); 239\& BIO_set_close(mem, BIO_NOCLOSE); /* So BIO_free() leaves BUF_MEM alone */ 240\& BIO_free(mem); 241.Ve 242.SH "SEE ALSO" 243.IX Header "SEE ALSO" 244\&\s-1TBA\s0 |