1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
#include <cassert>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#ifdef _WIN32
#include <fcntl.h> // O_BINARY
#include <io.h> // setmode
#endif
// Embeds a binary blob (from stdin) in a C++ source array of unsigned
// chars. Similar to the xxd utility.
namespace {
int usage() {
fprintf(stderr, "Usage: binary2cpp identifier [-header]\n");
return -1;
}
} // namespace
int main(int argc, const char **argv) {
const char *target = argv[1];
if (argc == 3) {
if (!strcmp(argv[2], "-header")) {
printf("#ifndef _H_%s_binary2cpp\n", target);
printf("#define _H_%s_binary2cpp\n", target);
printf("extern \"C\" {\n");
printf("extern unsigned char %s[];\n", target);
printf("extern int %s_length;\n", target);
printf("} // extern \"C\"\n");
printf("#endif // _H_%s_binary2cpp\n", target);
return 0;
} else {
return usage();
}
} else if (argc > 3) {
return usage();
}
#ifdef _WIN32
setmode(fileno(stdin), O_BINARY); // On windows bad things will happen unless we read stdin in binary mode
#endif
printf("extern \"C\" {\n");
printf("unsigned char %s[] = {\n", target);
int count = 0;
int line_break = 0;
while (true) {
int c = getchar();
if (c == EOF) {
break;
}
printf("0x%02x, ", c);
// Not necessary, but makes a bit easier to read
if (++line_break > 12) {
printf("\n");
line_break = 0;
}
count++;
}
printf("0};\n");
printf("int %s_length = %d;\n", target, count);
printf("} // extern \"C\"\n");
return 0;
}
|
