1 #include <stdio.h>
2 #include <string.h>
3 const int max_r = 1024;
4
5 // Calculate the file size
6 void Get_file_size(char *name_1, char *name_2)
7 {
8 FILE *fp_1 = fopen(name_1, "r");
9 FILE *fp_2 = fopen(name_2, "r");
10 if (fp_1)
11 {
12 printf ("Size of %s : ", name_1);
13 fseek(fp_1, 0, SEEK_END);
14 if (1.*ftell(fp_1)/(1024*1024*1024) > 1.0)
15 printf("%.1f GB\n", 1.*ftell(fp_1)/(1024*1024*1024));
16 else if(1.*ftell(fp_1)/(1024*1024) > 1.0)
17 printf("%.1f MB\n", 1.*ftell(fp_1)/(1024*1024));
18 else if (1.*ftell(fp_1)/(1024) > 1.0)
19 printf("%.1f KB\n", 1.*ftell(fp_1)/(1024));
20 else printf ("%d Bt\n", ftell(fp_1));
21 fclose(fp_1);
22 }
23 if (fp_2)
24 {
25 printf ("Size of %s : ", name_2);
26 fseek(fp_2, 0, SEEK_END);
27 if (1.*ftell(fp_2)/(1024*1024*1024) > 1.0)
28 printf("%.1f GB\n", 1.*ftell(fp_2)/(1024*1024*1024));
29 else if(1.*ftell(fp_2)/(1024*1024) > 1.0)
30 printf("%.1f MB\n", 1.*ftell(fp_2)/(1024*1024));
31 else if (1.*ftell(fp_2)/(1024) > 1.0)
32 printf("%.1f KB\n", 1.*ftell(fp_2)/(1024));
33 else printf ("%d Bt\n", ftell(fp_2));
34 fclose(fp_2);
35 }
36 return;
37 }
38
39 int main()
40 {
41 int AC, line_1, line_2;
42 char name_1[100], name_2[100];
43 char ch_1[max_r], ch_2[max_r];
44
45 scanf ("%s%s", name_1, name_2);//input two file which need to be compared
46 AC = 1;
47 line_1 = line_2 = 0;
48 Get_file_size(name_1, name_2);
49
50 FILE *fp_1 = fopen(name_1, "r");
51 FILE *fp_2 = fopen(name_2, "r");
52 while(1)
53 {
54 char *end_1, *end_2;
55 end_1 = fgets(ch_1, max_r, fp_1);
56 end_2 = fgets(ch_2, max_r, fp_2);
57 if (end_1 != NULL)
58 line_1 ++;
59 if (end_2 != NULL)
60 line_2 ++;
61 while(strcmp(ch_1, "\n") == 0 && end_1 != NULL)
62 {
63 end_1 = fgets(ch_1, max_r, fp_1);
64 if (end_1 != NULL)
65 line_1 ++;
66 }
67 while(strcmp(ch_2, "\n") == 0 && end_2 != NULL)
68 {
69 end_2 = fgets(ch_2, max_r, fp_2);
70 if (end_2 != NULL)
71 line_2 ++;
72 }
73 if (end_1 == NULL && end_2 == NULL)
74 break;
75 if(strcmp(ch_1, ch_2) != 0)
76 {
77 AC = 0;
78 ch_1[strlen(ch_1) -1] = '\0';
79 ch_2[strlen(ch_2) -1] = '\0';
80 printf (" Worry Answer\n");
81 printf ("In file %s at %d line << %s >> difference from\n", name_1, line_1, ch_1);
82 printf ("In file %s at %d line << %s >>\n", name_2, line_2, ch_2);
83 break;
84 }
85 }
86 if (AC)
87 {
88 if (line_1 != line_2)
89 {
90 printf (" Print Error\n");
91 printf ("The print not in a canonical format!\n");
92 printf ("the %s have %d lines \nbut %s have %d lines!\n", name_1, line_1, name_2, line_2);
93 }
94 else
95 printf (" Aceept\n", line_1, line_2);
96 }
97 fclose(fp_1);
98 fclose(fp_2);
99 return 0;
100 }
