#include <petsc/private/fortranimpl.h>

#if defined(PETSC_HAVE_FORTRAN_CAPS)
  #define petscinfo_ PETSCINFO
#elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE) && !defined(FORTRANDOUBLEUNDERSCORE)
  #define petscinfo_ petscinfo
#endif

static PetscErrorCode PetscFixSlashN(const char *in, char **out)
{
  PetscInt i;
  size_t   len;

  PetscFunctionBegin;
  PetscCall(PetscStrallocpy(in, out));
  PetscCall(PetscStrlen(*out, &len));
  for (i = 0; i < (int)len - 1; i++) {
    if ((*out)[i] == '\\' && (*out)[i + 1] == 'n') {
      (*out)[i]     = ' ';
      (*out)[i + 1] = '\n';
    }
  }
  PetscFunctionReturn(PETSC_SUCCESS);
}

PETSC_EXTERN void petscinfosetfile_(char *filename, char *mode, PetscErrorCode *ierr, PETSC_FORTRAN_CHARLEN_T len1, PETSC_FORTRAN_CHARLEN_T len2)
{
  char *t1, *t2;

  FIXCHAR(filename, len1, t1);
  FIXCHAR(mode, len2, t2);
  *ierr = PetscInfoSetFile(t1, t2);
  if (*ierr) return;
  FREECHAR(filename, t1);
  FREECHAR(mode, t2);
}

PETSC_EXTERN void petscinfogetclass_(char *classname, PetscBool **found, PetscErrorCode *ierr, PETSC_FORTRAN_CHARLEN_T len)
{
  char *t;

  FIXCHAR(classname, len, t);
  *ierr = PetscInfoGetClass(t, *found);
  if (*ierr) return;
  FREECHAR(classname, t);
}

PETSC_EXTERN void petscinfoprocessclass_(char *classname, PetscInt *numClassID, PetscClassId *classIDs[], PetscErrorCode *ierr, PETSC_FORTRAN_CHARLEN_T len)
{
  char *t;

  FIXCHAR(classname, len, t);
  *ierr = PetscInfoProcessClass(t, *numClassID, *classIDs);
  if (*ierr) return;
  FREECHAR(classname, t);
}

PETSC_EXTERN void petscinfo_(char *text, PetscErrorCode *ierr, PETSC_FORTRAN_CHARLEN_T len1)
{
  char *c1, *tmp;

  FIXCHAR(text, len1, c1);
  *ierr = PetscFixSlashN(c1, &tmp);
  if (*ierr) return;
  FREECHAR(text, c1);
  *ierr = PetscInfo(NULL, "%s", tmp);
  if (*ierr) return;
  *ierr = PetscFree(tmp);
}