crypto/bio/bf_lbuf.c

105     BIO_LINEBUFFER_CTX *ctx;
107     ctx = (BIO_LINEBUFFER_CTX *)OPENSSL_malloc(sizeof(BIO_LINEBUFFER_CTX));
108     if (ctx == NULL)
110     ctx->obuf = (char *)OPENSSL_malloc(DEFAULT_LINEBUFFER_SIZE);
111     if (ctx->obuf == NULL) {
112         OPENSSL_free(ctx);
115     ctx->obuf_size = DEFAULT_LINEBUFFER_SIZE;
116     ctx->obuf_len = 0;
119     bi->ptr = (char *)ctx;
157     BIO_LINEBUFFER_CTX *ctx;
161     ctx = (BIO_LINEBUFFER_CTX *)b->ptr;
162     if ((ctx == NULL) || (b->next_bio == NULL))
181         while ((foundnl || p - in > ctx->obuf_size - ctx->obuf_len)
182                && ctx->obuf_len > 0) {
183             int orig_olen = ctx->obuf_len;
185             i = ctx->obuf_size - ctx->obuf_len;
188                     memcpy(&(ctx->obuf[ctx->obuf_len]), in, p - in);
189                     ctx->obuf_len += p - in;
194                     memcpy(&(ctx->obuf[ctx->obuf_len]), in, i);
195                     ctx->obuf_len += i;
204             i = BIO_write(b->next_bio, ctx->obuf, ctx->obuf_len);
206                 ctx->obuf_len = orig_olen;
220             if (i < ctx->obuf_len)
221                 memmove(ctx->obuf, ctx->obuf + i, ctx->obuf_len - i);
222             ctx->obuf_len -= i;
229         if ((foundnl || p - in > ctx->obuf_size) && p - in > 0) {
259         memcpy(&(ctx->obuf[ctx->obuf_len]), in, inl);
260         ctx->obuf_len += inl;
269     BIO_LINEBUFFER_CTX *ctx;
275     ctx = (BIO_LINEBUFFER_CTX *)b->ptr;
279         ctx->obuf_len = 0;
285         ret = (long)ctx->obuf_len;
288         ret = (long)ctx->obuf_len;
297         p = ctx->obuf;
298         if ((obs > DEFAULT_LINEBUFFER_SIZE) && (obs != ctx->obuf_size)) {
303         if (ctx->obuf != p) {
304             if (ctx->obuf_len > obs) {
305                 ctx->obuf_len = obs;
307             memcpy(p, ctx->obuf, ctx->obuf_len);
308             OPENSSL_free(ctx->obuf);
309             ctx->obuf = p;
310             ctx->obuf_size = obs;
324         if (ctx->obuf_len <= 0) {
331             if (ctx->obuf_len > 0) {
332                 r = BIO_write(b->next_bio, ctx->obuf, ctx->obuf_len);
334                 fprintf(stderr, "FLUSH %3d -> %3d\n", ctx->obuf_len, r);
339                 if (r < ctx->obuf_len)
340                     memmove(ctx->obuf, ctx->obuf + r, ctx->obuf_len - r);
341                 ctx->obuf_len -= r;
343                 ctx->obuf_len = 0;
352         if (!BIO_set_write_buffer_size(dbio, ctx->obuf_size))