commit 2c70a8e7a998f0c036ed2abe2c67e868537cb424
Author: vaplv <vaplv@free.fr>
Date: Wed, 25 Jun 2014 00:05:40 +0200
First commit
Diffstat:
| A | .gitignore | | | 11 | +++++++++++ |
| A | LICENSE | | | 24 | ++++++++++++++++++++++++ |
| A | cmake/CMakeLists.txt | | | 47 | +++++++++++++++++++++++++++++++++++++++++++++++ |
| A | src/obj.c | | | 120 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| A | src/obj.h | | | 53 | +++++++++++++++++++++++++++++++++++++++++++++++++++++ |
5 files changed, 255 insertions(+), 0 deletions(-)
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1,11 @@
+.gitignore
+CMakeCache.txt
+CMakeFiles
+Makefile
+tmp
+[Bb]uild
+*.sw[po]
+*.[ao]
+*~
+tags
+
diff --git a/LICENSE b/LICENSE
@@ -0,0 +1,24 @@
+Copyright (c) 2013-2014 Vincent Forest
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+ list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+3. The name of the author may not be used to endorse or promote products
+ derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
+OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
+OF SUCH DAMAGE.
diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
@@ -0,0 +1,47 @@
+cmake_minimum_required(VERSION 2.6)
+project(loader_obj C)
+cmake_policy(SET CMP0011 NEW)
+enable_testing()
+
+set(OBJ_SOURCE_DIR ${PROJECT_SOURCE_DIR}/../src)
+
+################################################################################
+# Dependencies
+################################################################################
+find_package(RCMake REQUIRED)
+find_package(RSys REQUIRED)
+include_directories(${RCMake_INCLUDE_DIR} ${RSys_INCLUDE_DIR})
+
+include(rcmake)
+
+################################################################################
+# Define targets
+################################################################################
+set(OBJ_FILES_SRC obj.c)
+set(OBJ_FILES_INC obj.h)
+rcmake_prepend_path(OBJ_FILES_SRC ${OBJ_SOURCE_DIR})
+rcmake_prepend_path(OBJ_FILES_INC ${OBJ_SOURCE_DIR})
+
+add_library(loader-obj SHARED ${OBJ_FILES_SRC} ${OBJ_FILES_INC})
+target_link_libraries(loader-obj RSys)
+
+set(VERSION_MAJOR 0)
+set(VERSION_MINOR 0)
+set(VERSION_PATCH 0)
+set(VERSION ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH})
+set_target_properties(loader-obj PROPERTIES
+ DEFINE_SYMBOL OBJ_SHARED_BUILD
+ VERSION ${VERSION}
+ SOVERSION ${VERSION_MAJOR})
+
+rcmake_setup_devel(LoaderObj loader-obj ${VERSION} obj/obj_version.h)
+
+################################################################################
+# Install directories
+################################################################################
+install(TARGETS loader-obj
+ ARCHIVE DESTINATION lib
+ LIBRARY DESTINATION lib
+ RUNTIME DESTINATION bin)
+install(FILES ${OBJ_FILES_INC} DESTINATION include/obj)
+
diff --git a/src/obj.c b/src/obj.c
@@ -0,0 +1,120 @@
+#include "obj.h"
+#include <rsys/mem_allocator.h>
+#include <rsys/ref_count.h>
+
+struct obj {
+ ref_T ref;
+ struct mem_allocator* allocator;
+};
+
+/*******************************************************************************
+ * Helper functions
+ ******************************************************************************/
+static void
+obj_release(ref_T* ref)
+{
+ struct obj* obj = CONTAINER_OF(ref, struct obj, ref);
+ ASSERT(ref);
+ MEM_FREE(obj->allocator, obj);
+}
+
+/*******************************************************************************
+ * Exported functions
+ ******************************************************************************/
+enum obj_result
+obj_create
+ (struct mem_allocator* mem_allocator,
+ struct obj** obj_out)
+{
+ struct mem_allocator* allocator;
+ struct obj* obj = NULL;
+ enum obj_result res = OBJ_OK;
+
+ if(!obj_out) {
+ res = OBJ_BAD_ARGUMENT;
+ goto error;
+ }
+ allocator = mem_allocator ? mem_allocator : &mem_default_allocator;
+ obj = MEM_CALLOC(allocator, 1, sizeof(struct obj));
+ if(!obj) {
+ res = OBJ_MEMORY_ERROR;
+ goto error;
+ }
+ obj->allocator = allocator;
+ ref_init(&obj->ref);
+
+exit:
+ return res;
+error:
+ if(obj) {
+ OBJ(ref_put(obj));
+ obj = NULL;
+ }
+ goto exit;
+}
+
+enum obj_result
+obj_ref_get(struct obj* obj)
+{
+ if(!obj)
+ return OBJ_BAD_ARGUMENT;
+ ref_get(&obj->ref);
+ return OBJ_OK;
+}
+
+enum obj_result
+obj_ref_put(struct obj* obj)
+{
+ if(!obj)
+ return OBJ_BAD_ARGUMENT;
+ ref_put(&obj->ref, obj_release);
+ return OBJ_OK;
+}
+
+enum obj_result
+obj_load(struct obj* obj, const char* filename)
+{
+ FILE* file = NULL;
+ char* file_content = NULL;
+ long file_size = 0;
+ size_t len = 0;
+ enum obj_result res = OBJ_OK;
+
+ if(!obj || !filename) {
+ res = OBJ_BAD_ARGUMENT;
+ goto error;
+ }
+
+ file = fopen(filename, "r");
+ if(!file) {
+ res = OBJ_IO_ERROR;
+ goto error;
+ }
+
+ fseek(file, 0, SEEK_END);
+ file_size = ftell(file);
+ fseek(file, 0, SEEK_SET);
+
+ file_content = MEM_ALLOC(obj->allocator, (size_t)file_size + 1);
+ if(!file_content) {
+ res = OBJ_MEMORY_ERROR;
+ goto error;
+ }
+ len = fread(file_content, 1, (size_t)file_size, file);
+ file_content[file_size] = '\0';
+ ASSERT(len == (size_t)file_size);
+ fclose(file);
+ file = NULL;
+
+ /* TODO parse file content */
+
+exit:
+ if(file)
+ fclose(file);
+ if(file_content)
+ MEM_FREE(obj->allocator, file_content);
+ return res;
+error:
+ goto exit;
+}
+
diff --git a/src/obj.h b/src/obj.h
@@ -0,0 +1,53 @@
+#ifndef OBJ_H
+#define OBJ_H
+
+#include <rsys/rsys.h>
+
+#ifdef OBJ_SHARED_BUILD
+ #define OBJ_API extern EXPORT_SYM
+#elif defined(OBJ_STATIC_BUILD)
+ #define OBJ_API extern LOCAL_SYM
+#else
+ #define OBJ_API extern IMPORT_SYM
+#endif
+
+#ifndef NDEBUG
+ #define OBJ(Func) ASSERT(obj_##Func == OBJ_OK)
+#else
+ #define OBJ(Func) obj_##Func
+#endif
+
+enum obj_result {
+ OBJ_BAD_ARGUMENT,
+ OBJ_IO_ERROR,
+ OBJ_MEMORY_ERROR,
+ OBJ_OK
+};
+
+struct obj;
+struct mem_allocator;
+
+BEGIN_DECLS
+
+OBJ_API enum obj_result
+obj_create
+ (struct mem_allocator* allocator, /* NULL <=> use default allocator */
+ struct obj** obj);
+
+OBJ_API enum obj_result
+obj_ref_get
+ (struct obj* obj);
+
+OBJ_API enum obj_result
+obj_ref_put
+ (struct obj* obj);
+
+OBJ_API enum obj_result
+obj_load
+ (struct obj* obj,
+ const char* filename);
+
+END_DECLS
+
+#endif /* OBJ_H */
+
