add support for seeking to the end of a file

2021-10-05 15:44:58 -04:00
parent 741cf9c7d5
commit af070aa351
3 changed files with 16 additions and 3 deletions
--- a/src/platform.h
+++ b/src/platform.h
@ -263,7 +263,12 @@ namespace platform {

  bigint ftell(FILE *fp);

+  /*! constant to seek to the end of the file */
+  constexpr bigint END_OF_FILE = -1;
+
  /*! Set absolute file position
+   *
+   * If the absolute position is END_OF_FILE, then position at the end of the file.
   *
   *  \param   fp      FILE pointer of the given file
   *  \param   pos     new position of the FILE pointer