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comparison src/main.c @ 47:7cb4ca7cf257

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Use a common.c file to hold concurrent functions Also I fixed that 1.4 KB bug I think
author Paper <mrpapersonic@gmail.com>
date Sat, 21 May 2022 18:41:54 -0400
parents 7cb9fad3f5ee
children 652343b56a60
comparison
equal deleted inserted replaced
46:7cb9fad3f5ee 47:7cb4ca7cf257
4 #include <stdlib.h> 4 #include <stdlib.h>
5 #include <string.h> 5 #include <string.h>
6 #include <unistd.h> 6 #include <unistd.h>
7 #include <getopt.h> 7 #include <getopt.h>
8 #include <libgen.h> 8 #include <libgen.h>
9 #include "../include/common.h"
9 #ifdef _MSC_VER 10 #ifdef _MSC_VER
10 #define strdup(p) _strdup(p) 11 #define strdup(p) _strdup(p)
11 #endif 12 #endif
12 13
13 static struct option options_long[] = { 14 static struct option options_long[] = {
27 } 28 }
28 } 29 }
29 return str; 30 return str;
30 } 31 }
31 32
32 void set_data(unsigned char magic[], uint16_t version, FILE* target) {
33 int i;
34 fseek(target, 0x46, SEEK_SET);
35 fputc(version, target);
36 for (i=0; i<=sizeof(*magic); ++i) {
37 fseek(target, 0x18+i, SEEK_SET);
38 fputc(magic[i], target);
39 }
40 }
41
42 int copy_file(char* source_file, char* target_file) {
43 char ch;
44 FILE *source, *target;
45
46 source = fopen(source_file, "rb");
47
48 if (source == NULL)
49 return 1;
50
51 target = fopen(target_file, "wb");
52
53 if (target == NULL) {
54 fclose(source);
55 return 1;
56 }
57
58 while( ( ch = fgetc(source) ) != EOF )
59 fputc(ch, target);
60
61 fclose(target);
62 fclose(source);
63 return 0;
64 }
65
66 int main(int argc, char *argv[]) { 33 int main(int argc, char *argv[]) {
67 int c, option_index = 0; 34 int c, option_index = 0;
68 unsigned char magic[16]; 35 unsigned char magic[16];
69 FILE* outfile; 36 FILE* outfile;
70 struct arguments { 37 struct arguments {
71 char input[256]; 38 char input[256];
72 char output[256]; 39 char output[256];
73 int version; 40 int version;
74 char type[256]; 41 char type[4];
75 } args; 42 } args;
76 strcpy(args.input, " "); 43 strcpy(args.input, " ");
77 strcpy(args.output, " "); 44 strcpy(args.output, " ");
78 args.version = -1; 45 args.version = -1;
79 strcpy(args.type, " "); 46 strcpy(args.type, " ");
82 switch(c) { 49 switch(c) {
83 case 'i': 50 case 'i':
84 strncpy(args.input, optarg, sizeof(args.input)-1); /* subtract 1 to make sure it's "null-safe" */ 51 strncpy(args.input, optarg, sizeof(args.input)-1); /* subtract 1 to make sure it's "null-safe" */
85 break; 52 break;
86 case 'o': 53 case 'o':
87 strncpy(args.output, optarg, sizeof(args.input)-1); 54 strncpy(args.output, optarg, sizeof(args.output)-1);
88 break; 55 break;
89 case 'v': 56 case 'v':
90 args.version = abs(atoi(strdup(optarg))); /* abs() for possible negative inputs */ 57 args.version = abs(atoi(strdup(optarg))); /* abs() for possible negative inputs */
91 break; 58 break;
92 case 't': 59 case 't':
93 strncpy(args.type, optarg, sizeof(args.input)-1); 60 strncpy(args.type, optarg, sizeof(args.type)-1);
94 break; 61 break;
95 case 'h': 62 case 'h':
96 default: 63 default:
97 printf("msvpvf by Paper\nusage: %s (-i/--input) infile [(-o/--output) outfile] (-v/--version) version (-t/--type) [vf, veg]\n", argv[0]); 64 printf("msvpvf by Paper\nusage: %s (-i/--input) infile [(-o/--output) outfile] (-v/--version) version (-t/--type) [vf, veg]\n", argv[0]);
98 return 0; 65 return 0;
146 } 113 }
147 fflush(stdout); 114 fflush(stdout);
148 if (strcmp(args.output, " ") == 0) { /* string manipulation hell */ 115 if (strcmp(args.output, " ") == 0) { /* string manipulation hell */
149 char* temp = (char*)calloc(256, sizeof(char)); 116 char* temp = (char*)calloc(256, sizeof(char));
150 temp[0] = '\0'; 117 temp[0] = '\0';
151 char str_version[16]; 118 char str_version[4];
152 sprintf(str_version, "V%d", args.version); 119 sprintf(str_version, "V%d", args.version);
153 strncat(temp, str_version, 2); 120 strncat(temp, str_version, 4);
154 strncat(temp, "_", 1); 121 strncat(temp, "_", 2);
155 strncat(temp, basename(args.input), 248); 122 strncat(temp, basename(args.input), 248);
156 strcpy(temp, strremove(temp, strrchr(basename(args.input), ('.')))); /* remove file extension */ 123 strcpy(temp, strremove(temp, strrchr(basename(args.input), ('.')))); /* remove file extension */
157 strncat(temp, ".", 1); 124 strncat(temp, ".", 2);
158 strncat(temp, args.type, 3); 125 strncat(temp, args.type, 4);
159 strncpy(args.output, temp, 255); 126 strncpy(args.output, temp, 255);
160 free(temp); 127 free(temp);
161 } 128 }
162 if (strcmp(args.type, "veg") == 0) { 129 if (strcmp(args.type, "veg") == 0) {
163 const unsigned char T[] = {0xEF, 0x29, 0xC4, 0x46, 0x4A, 0x90, 0xD2, 0x11, 0x87, 0x22, 0x00, 0xC0, 0x4F, 0x8E, 0xDB, 0x8A}; 130 const unsigned char T[] = {0xEF, 0x29, 0xC4, 0x46, 0x4A, 0x90, 0xD2, 0x11, 0x87, 0x22, 0x00, 0xC0, 0x4F, 0x8E, 0xDB, 0x8A};