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

See Also

PetscViewerFileSetMode()

Level

beginner

Location

include/petscsystypes.h

Examples

src/sys/classes/viewer/tutorials/ex1.c
src/dm/impls/plex/tutorials/ex19.c

Examples

src/mat/tutorials/ex16.c
src/snes/tutorials/ex30.c
src/ksp/ksp/tutorials/ex43.c
src/vec/vec/tutorials/ex6.c
src/ksp/ksp/tutorials/ex70.c
src/snes/tutorials/ex16.c
src/ksp/ksp/tutorials/ex72.c
src/vec/vec/tutorials/ex10.c
src/snes/tutorials/ex15.c
src/ksp/ksp/tutorials/ex42.c

Examples

src/mat/tutorials/ex1.c
src/mat/tutorials/ex10.c
src/ksp/pc/tutorials/ex4.c
src/snes/tutorials/ex12.c
src/mat/tutorials/ex16.c
src/mat/tutorials/ex12.c
src/ksp/ksp/tutorials/ex72.c

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