static int ok_write(BIO *b, const char *in, int inl) { int ret = 0, n, i; BIO_OK_CTX *ctx; if (inl <= 0) return inl; ctx = (BIO_OK_CTX *)b->ptr; ret = inl; if ((ctx == NULL) || (b->next_bio == NULL) || (b->init == 0)) return (0); if (ctx->sigio) sig_out(b); do { BIO_clear_retry_flags(b); n = ctx->buf_len - ctx->buf_off; while (ctx->blockout && n > 0) { i = BIO_write(b->next_bio, &(ctx->buf[ctx->buf_off]), n); if (i <= 0) { BIO_copy_next_retry(b); if (!BIO_should_retry(b)) ctx->cont = 0; return (i); } ctx->buf_off += i; n -= i; } /* at this point all pending data has been written */ ctx->blockout = 0; if (ctx->buf_len == ctx->buf_off) { ctx->buf_len = OK_BLOCK_BLOCK; ctx->buf_off = 0; } if ((in == NULL) || (inl <= 0)) return (0); n = (inl + ctx->buf_len > OK_BLOCK_SIZE + OK_BLOCK_BLOCK) ? (int)(OK_BLOCK_SIZE + OK_BLOCK_BLOCK - ctx->buf_len) : inl; memcpy((unsigned char *)(&(ctx->buf[ctx->buf_len])), (unsigned char *)in, n); ctx->buf_len += n; inl -= n; in += n; if (ctx->buf_len >= OK_BLOCK_SIZE + OK_BLOCK_BLOCK) { block_out(b); } } while (inl > 0); BIO_clear_retry_flags(b); BIO_copy_next_retry(b); return (ret); }
static int ok_write(BIO *b, const char *in, int inl) { int ret = 0, n, i; BIO_OK_CTX *ctx; BIO *next; if (inl <= 0) return inl; ctx = BIO_get_data(b); next = BIO_next(b); ret = inl; if ((ctx == NULL) || (next == NULL) || (BIO_get_init(b) == 0)) return 0; if (ctx->sigio && !sig_out(b)) return 0; do { BIO_clear_retry_flags(b); n = ctx->buf_len - ctx->buf_off; while (ctx->blockout && n > 0) { i = BIO_write(next, &(ctx->buf[ctx->buf_off]), n); if (i <= 0) { BIO_copy_next_retry(b); if (!BIO_should_retry(b)) ctx->cont = 0; return i; } ctx->buf_off += i; n -= i; } /* at this point all pending data has been written */ ctx->blockout = 0; if (ctx->buf_len == ctx->buf_off) { ctx->buf_len = OK_BLOCK_BLOCK; ctx->buf_off = 0; } if ((in == NULL) || (inl <= 0)) return 0; n = (inl + ctx->buf_len > OK_BLOCK_SIZE + OK_BLOCK_BLOCK) ? (int)(OK_BLOCK_SIZE + OK_BLOCK_BLOCK - ctx->buf_len) : inl; memcpy(&ctx->buf[ctx->buf_len], in, n); ctx->buf_len += n; inl -= n; in += n; if (ctx->buf_len >= OK_BLOCK_SIZE + OK_BLOCK_BLOCK) { if (!block_out(b)) { BIO_clear_retry_flags(b); return 0; } } } while (inl > 0); BIO_clear_retry_flags(b); BIO_copy_next_retry(b); return ret; }