34     int buf_len;  member
129         ctx->buf_len = 0;  in b64_read()
136     if (ctx->buf_len > 0) {  in b64_read()
137         OPENSSL_assert(ctx->buf_len >= ctx->buf_off);  in b64_read()
138         i = ctx->buf_len - ctx->buf_off;  in b64_read()
147         if (ctx->buf_len == ctx->buf_off) {  in b64_read()
148             ctx->buf_len = 0;  in b64_read()
282             ctx->buf_len = 0;  in b64_read()
284                 ctx->buf_len = z;  in b64_read()
289                                  (unsigned char *)ctx->buf, &ctx->buf_len,  in b64_read()
304             ctx->buf_len = 0;  in b64_read()
308         if (ctx->buf_len <= outl)  in b64_read()
309             i = ctx->buf_len;  in b64_read()
316         if (ctx->buf_off == ctx->buf_len) {  in b64_read()
317             ctx->buf_len = 0;  in b64_read()
345         ctx->buf_len = 0;  in b64_write()
352     OPENSSL_assert(ctx->buf_len <= (int)sizeof(ctx->buf));  in b64_write()
353     OPENSSL_assert(ctx->buf_len >= ctx->buf_off);  in b64_write()
354     n = ctx->buf_len - ctx->buf_off;  in b64_write()
364         OPENSSL_assert(ctx->buf_len >= ctx->buf_off);  in b64_write()
369     ctx->buf_len = 0;  in b64_write()
391                 ctx->buf_len =  in b64_write()
394                 OPENSSL_assert(ctx->buf_len <= (int)sizeof(ctx->buf));  in b64_write()
395                 OPENSSL_assert(ctx->buf_len >= ctx->buf_off);  in b64_write()
409                 ctx->buf_len =  in b64_write()
412                 OPENSSL_assert(ctx->buf_len <= (int)sizeof(ctx->buf));  in b64_write()
413                 OPENSSL_assert(ctx->buf_len >= ctx->buf_off);  in b64_write()
418                                  (unsigned char *)ctx->buf, &ctx->buf_len,  in b64_write()
421             OPENSSL_assert(ctx->buf_len <= (int)sizeof(ctx->buf));  in b64_write()
422             OPENSSL_assert(ctx->buf_len >= ctx->buf_off);  in b64_write()
429         n = ctx->buf_len;  in b64_write()
440             OPENSSL_assert(ctx->buf_len >= ctx->buf_off);  in b64_write()
442         ctx->buf_len = 0;  in b64_write()
474         OPENSSL_assert(ctx->buf_len >= ctx->buf_off);  in b64_ctrl()
475         ret = ctx->buf_len - ctx->buf_off;  in b64_ctrl()
483         OPENSSL_assert(ctx->buf_len >= ctx->buf_off);  in b64_ctrl()
484         ret = ctx->buf_len - ctx->buf_off;  in b64_ctrl()
491         while (ctx->buf_len != ctx->buf_off) {  in b64_ctrl()
498                 ctx->buf_len = EVP_EncodeBlock((unsigned char *)ctx->buf,  in b64_ctrl()
509                             (unsigned char *)ctx->buf, &(ctx->buf_len));  in b64_ctrl()