xref: /inferno-os/utils/data2c/data2c.c (revision c094a1409b780cc543c077e8469fdb28b4c90afb)
1 #include <lib9.h>
2 #include <bio.h>
3 
4 void
5 main(int argc, char *argv[])
6 {
7 	Biobuf bin, bout;
8 	long len;
9 	int n;
10 	uchar block[16], *c;
11 
12 	if(argc != 2){
13 		fprint(2, "usage: data2s name\n");
14 		exits("usage");
15 	}
16 	setbinmode();
17 	Binit(&bin, 0, OREAD);
18 	Binit(&bout, 1, OWRITE);
19 	Bprint(&bout, "unsigned char %scode[] = {\n", argv[1]);
20 	for(len=0; (n=Bread(&bin, block, sizeof(block))) > 0; len += n){
21 		for(c=block; c < block+n; c++)
22 			if(*c)
23 				Bprint(&bout, "0x%ux,", *c);
24 			else
25 				Bprint(&bout, "0,");
26 		Bprint(&bout, "\n");
27 	}
28 	if(len == 0)
29 		Bprint(&bout, "0\n");	/* avoid empty initialiser */
30 	Bprint(&bout, "};\n");
31 	Bprint(&bout, "int %slen = %ld;\n", argv[1], len);
32 	exits(0);
33 }
34