230   if (lg->legend) {  in PetscDrawLGSetLegend()
231     for (i = 0; i < lg->dim; i++) PetscCall(PetscFree(lg->legend[i]));  in PetscDrawLGSetLegend()
232     PetscCall(PetscFree(lg->legend));  in PetscDrawLGSetLegend()
235     PetscCall(PetscMalloc1(lg->dim, &lg->legend));  in PetscDrawLGSetLegend()
236     for (i = 0; i < lg->dim; i++) PetscCall(PetscStrallocpy(names[i], &lg->legend[i]));  in PetscDrawLGSetLegend()
288   if (lg->legend) {  in PetscDrawLGSetDimension()
289     for (i = 0; i < lg->dim; i++) PetscCall(PetscFree(lg->legend[i]));  in PetscDrawLGSetDimension()
290     PetscCall(PetscFree(lg->legend));  in PetscDrawLGSetDimension()
419   if ((*lg)->legend) {  in PetscDrawLGDestroy()
420     for (i = 0; i < (*lg)->dim; i++) PetscCall(PetscFree((*lg)->legend[i]));  in PetscDrawLGDestroy()
421     PetscCall(PetscFree((*lg)->legend));  in PetscDrawLGDestroy()
507   if (rank == 0 && lg->legend) {  in PetscDrawLGDraw()
516       PetscCall(PetscStrlen(lg->legend[i], &slen));  in PetscDrawLGDraw()
535 …etscCall(PetscDrawString(draw, xl + 6 * tw, yr - (i + 1.5) * th, PETSC_DRAW_BLACK, lg->legend[i]));  in PetscDrawLGDraw()