PetscFileMode#

Access mode for a file.

Synopsis#

typedef enum {
  FILE_MODE_UNDEFINED     = -1,
  FILE_MODE_READ          = 0,
  FILE_MODE_WRITE         = 1,
  FILE_MODE_APPEND        = 2,
  FILE_MODE_UPDATE        = 3,
  FILE_MODE_APPEND_UPDATE = 4
} PetscFileMode;

Values#

FILE_MODE_UNDEFINED - initial invalid value
FILE_MODE_READ - open a file at its beginning for reading
FILE_MODE_WRITE - open a file at its beginning for writing (will create if the file does not exist)
FILE_MODE_APPEND - open a file at end for writing
FILE_MODE_UPDATE - open a file for updating, meaning for reading and writing
FILE_MODE_APPEND_UPDATE - open a file for updating, meaning for reading and writing, at the end