remove error on unexpected file size

Author: JohannesGaessler

ggml/src/gguf.cpp

@@ -605,18 +605,6 @@ struct gguf_context * gguf_init_from_file_impl(std::istream & is, struct gguf_in
         }
     }
 
-    is.seekg(0, std::ifstream::end);
-    const size_t file_size = is.tellg();
-    is.seekg(ctx->offset, std::ifstream::beg);
-
-    const bool only_meta = file_size == ctx->offset;
-    if (!only_meta && file_size != ctx->offset + ctx->size) {
-        fprintf(stderr, "%s: GGUF file has size %zu but was expecting %zu (with tensor data) or %zu (without tensor data)\n",
-                __func__, file_size, ctx->offset, ctx->offset + ctx->size);
-        gguf_free(ctx);
-        return nullptr;
-    }
-
     // load the tensor data only if requested
     if (params.ctx != nullptr) {
         // if the provided gguf_context is no_alloc, then we create "empty" tensors and do not read the binary blob

tests/test-gguf.cpp

@@ -726,22 +726,6 @@ static std::pair<int, int> test_handcrafted_file(const unsigned int seed) {
             ntest++;
         }
 
-        if (expect_context_not_null(hft)) {
-            std::stringstream ss_eb = get_handcrafted_file(seed, hft, /*extra_bytes =*/ 1);
-            struct gguf_context * gguf_ctx_eb = gguf_init_from_file_impl(ss_eb, gguf_params);
-
-            printf("%s:   - context_null_with_extra_bytes: ", __func__);
-            if (gguf_ctx_eb) {
-                printf("\033[1;31mFAIL\033[0m\n");
-            } else {
-                printf("\033[1;32mOK\033[0m\n");
-                npass++;
-            }
-            ntest++;
-
-            gguf_free(gguf_ctx_eb);
-        }
-
         const bool alignment_defined = hft == HANDCRAFTED_TENSORS_CUSTOM_ALIGN || hft == HANDCRAFTED_DATA_CUSTOM_ALIGN;
 
         if (expect_context_not_null(hft)) {