esp_partition: partition_linux.c and its test do not use hard-coded file anymore

components/esp_partition/CMakeLists.txt

@@ -3,6 +3,7 @@ set(priv_reqs esp_system bootloader_support spi_flash app_update partition_table
 set(reqs)
 set(include_dirs "include")
 
+idf_build_get_property(build_dir BUILD_DIR)
 idf_build_get_property(target IDF_TARGET)
 if(${target} STREQUAL "linux")
     list(APPEND srcs "partition_linux.c")
@@ -22,6 +23,9 @@ idf_component_register(SRCS "${srcs}"
     PRIV_REQUIRES ${priv_reqs})
 
 if(${target} STREQUAL "linux")
+    # set BUILD_DIR because partition_linux.c uses a file created in the build directory
+    target_compile_definitions(${COMPONENT_LIB} PRIVATE "BUILD_DIR=\"${build_dir}\"")
+
     # link bsd library for strlcpy
     find_library(LIB_BSD bsd)
     if(LIB_BSD)

components/esp_partition/host_test/partition_api_test/main/CMakeLists.txt

@@ -1,2 +1,5 @@
 idf_component_register(SRCS "partition_api_test.c"
                        REQUIRES esp_partition unity)
+
+# set BUILD_DIR because test uses a file created in the build directory
+target_compile_definitions(${COMPONENT_LIB} PRIVATE "BUILD_DIR=\"${build_dir}\"")

components/esp_partition/host_test/partition_api_test/main/partition_api_test.c

@@ -171,7 +171,7 @@ TEST(partition_api, test_partition_mmap_diff_size)
 
     memset(p_file_mmap_ctrl, 0, sizeof(*p_file_mmap_ctrl));
     p_file_mmap_ctrl->flash_file_size = 0x800000;   // 8MB
-    strlcpy(p_file_mmap_ctrl->partition_file_name, "./build/partition_table/partition-table_8M.bin", sizeof(p_file_mmap_ctrl->partition_file_name));
+    strlcpy(p_file_mmap_ctrl->partition_file_name, BUILD_DIR "/partition_table/partition-table_8M.bin", sizeof(p_file_mmap_ctrl->partition_file_name));
 
     // esp_partition_find_first calls the esp_partition_file_mmap in the background
     const esp_partition_t *partition_data = esp_partition_find_first(ESP_PARTITION_TYPE_DATA, ESP_PARTITION_SUBTYPE_ANY, "storage");
@@ -483,7 +483,7 @@ TEST(partition_api, test_partition_mmap_size_too_small)
     memset(p_file_mmap_ctrl_input, 0, sizeof(*p_file_mmap_ctrl_input));
 
     // set valid partition table name and very small flash size
-    strlcpy(p_file_mmap_ctrl_input->partition_file_name, "./build/partition_table/partition-table.bin", sizeof(p_file_mmap_ctrl_input->partition_file_name));
+    strlcpy(p_file_mmap_ctrl_input->partition_file_name, BUILD_DIR "/partition_table/partition-table.bin", sizeof(p_file_mmap_ctrl_input->partition_file_name));
     p_file_mmap_ctrl_input->flash_file_size = 1;
 
     const uint8_t *p_mem_block = NULL;

components/esp_partition/partition_linux.c

@@ -140,7 +140,7 @@ esp_err_t esp_partition_file_mmap(const uint8_t **part_desc_addr_start)
 
         // check if partition file is present, if not, use default
         if (!has_partfile) {
-            strlcpy(s_esp_partition_file_mmap_ctrl_act.partition_file_name, "build/partition_table/partition-table.bin", sizeof(s_esp_partition_file_mmap_ctrl_act.partition_file_name));
+            strlcpy(s_esp_partition_file_mmap_ctrl_act.partition_file_name, BUILD_DIR "/partition_table/partition-table.bin", sizeof(s_esp_partition_file_mmap_ctrl_act.partition_file_name));
         } else {
             strlcpy(s_esp_partition_file_mmap_ctrl_act.partition_file_name, s_esp_partition_file_mmap_ctrl_input.partition_file_name, sizeof(s_esp_partition_file_mmap_ctrl_act.partition_file_name));
         }