169   char    *loc0_vtype = NULL, *loc1_fname = NULL, *loc2_fmt = NULL, *loc3_fmode = NULL;  in PetscOptionsCreateViewers_Single()  local
186   PetscCall(PetscStrchr(loc0_vtype, ':', &loc1_fname));  in PetscOptionsCreateViewers_Single()
187   if (loc1_fname) {  in PetscOptionsCreateViewers_Single()
189     *loc1_fname++ = 0;  in PetscOptionsCreateViewers_Single()
191     PetscCall(PetscStrncmp(loc1_fname, "daos:", 5, &is_daos));  in PetscOptionsCreateViewers_Single()
192     PetscCall(PetscStrchr(loc1_fname + (is_daos == PETSC_TRUE ? 5 : 0), ':', &loc2_fmt));  in PetscOptionsCreateViewers_Single()
202     if (!loc1_fname) {  in PetscOptionsCreateViewers_Single()
262       if (loc2_fmt && !*loc1_fname && (cnt == 0)) { /* ASCII format without file name */  in PetscOptionsCreateViewers_Single()
278           PetscCall(PetscStrcmp(loc1_fname, "tikz", &tk));  in PetscOptionsCreateViewers_Single()
279           PetscCall(PetscStrcmp(loc1_fname, "image", &im));  in PetscOptionsCreateViewers_Single()
286         PetscCall(PetscViewerFileSetName(*viewer, loc1_fname));  in PetscOptionsCreateViewers_Single()
287         if (*loc1_fname) PetscCall(PetscViewerDrawSetDrawType(*viewer, loc1_fname));  in PetscOptionsCreateViewers_Single()