Update: add file write support

The write functions are little more than wrappers to fwrite().

diff --git a/level_1/fl_file/c/file.c b/level_1/fl_file/c/file.c
index c821654a16a55b66c0c6032fe7201703d29932d2..222802c8b45b5b1bf19f14f2f5a67e107b894285 100644 (file)
--- a/level_1/fl_file/c/file.c
+++ b/level_1/fl_file/c/file.c
@@ -107,6 +107,46 @@ extern "C"{
   }
 #endif // _di_fl_file_read_fifo_
 
+#ifndef _di_fl_file_write_
+  f_return_status fl_file_write(f_file file, const f_dynamic_string buffer) {
+    if (file.file == 0) return f_file_not_open;
+
+    f_status status = f_status_initialize;
+    f_size_t size   = 0;
+
+    size = fwrite(buffer.string, file.byte_size, buffer.used, file.file);
+
+    if (size <= buffer.used * file.byte_size) {
+      return f_file_write_error;
+    }
+
+    return f_none;
+  }
+#endif // _di_fl_file_write_
+
+#ifndef _di_fl_file_write_partial_
+  f_return_status fl_file_write_partial(f_file file, const f_dynamic_string buffer, const f_string_location position) {
+    #ifndef _di_level_1_parameter_checking_
+      if (position.start < position.stop) return f_invalid_parameter;
+    #endif // _di_level_1_parameter_checking_
+
+    if (file.file == 0) return f_file_not_open;
+
+    f_status status = f_status_initialize;
+    f_size_t size   = 0;
+
+    f_string_length total = buffer.used - (position.stop - position.start + 1);
+
+    size = fwrite(buffer.string + position.start, file.byte_size, total, file.file);
+
+    if (size <= total * file.byte_size) {
+      return f_file_write_error;
+    }
+
+    return f_none;
+  }
+#endif // _di_fl_file_write_partial_
+
 #ifdef __cplusplus
 } // extern "C"
 #endif

diff --git a/level_1/fl_file/c/file.h b/level_1/fl_file/c/file.h
index c06e0b9eeb30d7342571feeff6c9f96549550305..6f5042dbab66a61edd0ff65eb15616b18d74f170 100644 (file)
--- a/level_1/fl_file/c/file.h
+++ b/level_1/fl_file/c/file.h
@@ -26,6 +26,14 @@ extern "C"{
   extern f_return_status fl_file_read_fifo(f_file file, f_dynamic_string *buffer);
 #endif // _di_fl_file_read_fifo_
 
+#ifndef _di_fl_file_write_
+  extern f_return_status fl_file_write(f_file file, const f_dynamic_string buffer);
+#endif // _di_fl_file_write_
+
+#ifndef _di_fl_file_write_partial_
+  extern f_return_status fl_file_write_partial(f_file file, const f_dynamic_string buffer, const f_string_location position);
+#endif // _di_fl_file_write_partial_
+
 #ifdef __cplusplus
 } // extern "C"
 #endif