static long buffer_ctrl(BIO *h,int cmd,long arg1,char *arg2);
static int buffer_new(BIO *h);
static int buffer_free(BIO *data);
+static long buffer_callback_ctrl(BIO *h,int cmd, void (*fp)());
#define DEFAULT_BUFFER_SIZE 1024
static BIO_METHOD methods_buffer=
buffer_ctrl,
buffer_new,
buffer_free,
+ buffer_callback_ctrl,
};
BIO_METHOD *BIO_f_buffer(void)
ctx->ibuf_len=0;
ctx->obuf_off=0;
ctx->obuf_len=0;
+ if (b->next_bio == NULL) return(0);
ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
break;
case BIO_CTRL_INFO:
case BIO_CTRL_WPENDING:
ret=(long)ctx->obuf_len;
if (ret == 0)
+ {
+ if (b->next_bio == NULL) return(0);
ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
+ }
break;
case BIO_CTRL_PENDING:
ret=(long)ctx->ibuf_len;
if (ret == 0)
+ {
+ if (b->next_bio == NULL) return(0);
ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
+ }
break;
case BIO_C_SET_BUFF_READ_DATA:
if (num > ctx->ibuf_size)
}
break;
case BIO_C_DO_STATE_MACHINE:
+ if (b->next_bio == NULL) return(0);
BIO_clear_retry_flags(b);
ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
BIO_copy_next_retry(b);
break;
case BIO_CTRL_FLUSH:
+ if (b->next_bio == NULL) return(0);
if (ctx->obuf_len <= 0)
{
ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
ret=0;
break;
default:
+ if (b->next_bio == NULL) return(0);
ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
break;
}
return(0);
}
+static long buffer_callback_ctrl(BIO *b, int cmd, void (*fp)())
+ {
+ long ret=1;
+
+ if (b->next_bio == NULL) return(0);
+ switch (cmd)
+ {
+ default:
+ ret=BIO_callback_ctrl(b->next_bio,cmd,fp);
+ break;
+ }
+ return(ret);
+ }
+
static int buffer_gets(BIO *b, char *buf, int size)
{
BIO_F_BUFFER_CTX *ctx;