Stuff

from buttons_shading.c	case B_MTEXCOPY:		if(ma && ma->mtex[(int)ma->texact] ) {			mtex= ma->mtex[(int)ma->texact];			if(mtex->tex==0) {				error("No texture available");			}			else {				//memcpy(&mtexcopybuf, ma->mtex[(int)ma->texact], sizeof(MTex));				//mtexcopied= 1;								int orig = (int)ma->texact;				int target = orig - 1;								//printf("test\n");				//printf("%d \n", target);								if (target > -1) {					//copy tex					memcpy(&mtexcopybuf, ma->mtex[orig], sizeof(MTex));										//copy from target to original					//if(ma->mtex[orig]==0) 					//	ma->mtex[orig] = MEM_mallocN(sizeof(MTex), "mtex"); 										memcpy(ma->mtex[orig], ma->mtex[target], sizeof(MTex)); //segfaults here!										//paste copied tex to target					//if(ma->mtex[target]==0) 					//	ma->mtex[target] = MEM_mallocN(sizeof(MTex), "mtex"); 										//memcpy(ma->mtex[target], &mtexcopybuf, sizeof(MTex));										//paste target tex to original channel					//if(ma->mtex[orig]==0) 					//	ma->mtex[orig] = MEM_mallocN(sizeof(MTex), "mtex"); 										//memcpy(ma->mtex[orig], &mtexcopybuf2, sizeof(MTex));										/*					id_us_plus((ID *)mtexcopybuf.tex);					BIF_undo_push("Move texture up");					BIF_preview_changed(ID_MA);					scrarea_queue_winredraw(curarea);					*/				}			}		}		break;