☆add_triangles

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define VTX 3
#define XYZ 3

int main(int argc,char *argv[])
{
    FILE *fpi1,*fpi2,*fpo;
    int i,j;
    int tri1,tri2,tri3; //number of triangles

    float dn1;
    int x,y;
    int re;
    int ix,iy;
    int iw,ih,iW,iH;
    int to_tri1,to_tri2,to_tri3;
    float *file1,*file2,*file3;

    if(argc!=6)
    {
        fprintf(stderr,"Usage: %s\n(2)Input_file1_filename\n(3)Input_file2_filename\n(4)Output_new_filename\n(5)triangles_1\n(6)triangles_2\n",argv[0]);
        exit(1);
    }

    printf("OPEN base FILE NAME:%s\n",argv[1]);
    printf("OPEN add FILE NAME:%s\n",argv[2]);
    printf("OPEN OUTPUT FILE NAME:%s\n",argv[3]); //for output

    tri1 = atoi(argv[4]); printf("triangles1 = %d,", tri1);  //number of triangles1
    tri2 = atoi(argv[5]); printf("triangles2 = %d\n", tri2); //number of triangles2
    tri3=tri2+tri1;

    to_tri1=tri1*VTX*XYZ;
    to_tri2=tri2*VTX*XYZ;
    to_tri3=tri3*VTX*XYZ;
    printf("total_triangles = %d\n", tri3);

    printf("check00\n");

    file1= (float *)malloc(to_tri1*sizeof(float)); //memory for triangles1
    file2= (float *)malloc(to_tri2*sizeof(float)); //memory for triangles2
    file3= (float *)malloc(to_tri3*sizeof(float)); //memory for triangles3

    //   printf("check0\n");

    //base
    if((fpi1=fopen(argv[1],"rb"))==NULL)
    {
        fprintf(stderr,"input file open error\n");
        exit(1);
    }
    printf("check0-1\n");

    fread((float *)file1,sizeof(float),to_tri1,fpi1);//large

    printf("check0-2\n");

    //add
    if((fpi2=fopen(argv[2],"rb"))==NULL)
    {
        fprintf(stderr,"input file open error\n");
        exit(1);
    }
    printf("check0-3\n");
    fread((float *)file2,sizeof(float),to_tri2,fpi2);//small
    printf("check0-4\n");

    if((fpo=fopen(argv[3],"wb"))==NULL)
    {
        fprintf(stderr,"input file open error\n");
        exit(1);
    }

    printf("check1\n");

    for(i=0;i<to_tri1;i++)
    {
    file3[i]=file1[i];
    }

    printf("check2\n");
    for(i=0;i<to_tri2;i++)
    {
    file3[i+to_tri1]=file2[i];
    }

    printf("check3\n");
    for(i=0;i<to_tri3;i++)
    {
        dn1=file3[i];
    fwrite(&dn1,sizeof(float),1,fpo);
    }

    printf("check4\n");

    free(file1);
    free(file2);
    free(file3);
    fclose(fpi1);
    fclose(fpi2);
    fclose(fpo);

}