xref: /inferno-os/utils/data2c/data2c.c (revision 74a4d8c26dd3c1e9febcb717cfd6cb6512991a7a)
1*74a4d8c2SCharles.Forsyth #include <lib9.h>
2*74a4d8c2SCharles.Forsyth #include <bio.h>
3*74a4d8c2SCharles.Forsyth 
4*74a4d8c2SCharles.Forsyth void
main(int argc,char * argv[])5*74a4d8c2SCharles.Forsyth main(int argc, char *argv[])
6*74a4d8c2SCharles.Forsyth {
7*74a4d8c2SCharles.Forsyth 	Biobuf bin, bout;
8*74a4d8c2SCharles.Forsyth 	long len;
9*74a4d8c2SCharles.Forsyth 	int n;
10*74a4d8c2SCharles.Forsyth 	uchar block[16], *c;
11*74a4d8c2SCharles.Forsyth 
12*74a4d8c2SCharles.Forsyth 	if(argc != 2){
13*74a4d8c2SCharles.Forsyth 		fprint(2, "usage: data2s name\n");
14*74a4d8c2SCharles.Forsyth 		exits("usage");
15*74a4d8c2SCharles.Forsyth 	}
16*74a4d8c2SCharles.Forsyth 	setbinmode();
17*74a4d8c2SCharles.Forsyth 	Binit(&bin, 0, OREAD);
18*74a4d8c2SCharles.Forsyth 	Binit(&bout, 1, OWRITE);
19*74a4d8c2SCharles.Forsyth 	Bprint(&bout, "unsigned char %scode[] = {\n", argv[1]);
20*74a4d8c2SCharles.Forsyth 	for(len=0; (n=Bread(&bin, block, sizeof(block))) > 0; len += n){
21*74a4d8c2SCharles.Forsyth 		for(c=block; c < block+n; c++)
22*74a4d8c2SCharles.Forsyth 			if(*c)
23*74a4d8c2SCharles.Forsyth 				Bprint(&bout, "0x%ux,", *c);
24*74a4d8c2SCharles.Forsyth 			else
25*74a4d8c2SCharles.Forsyth 				Bprint(&bout, "0,");
26*74a4d8c2SCharles.Forsyth 		Bprint(&bout, "\n");
27*74a4d8c2SCharles.Forsyth 	}
28*74a4d8c2SCharles.Forsyth 	if(len == 0)
29*74a4d8c2SCharles.Forsyth 		Bprint(&bout, "0\n");	/* avoid empty initialiser */
30*74a4d8c2SCharles.Forsyth 	Bprint(&bout, "};\n");
31*74a4d8c2SCharles.Forsyth 	Bprint(&bout, "int %slen = %ld;\n", argv[1], len);
32*74a4d8c2SCharles.Forsyth 	exits(0);
33*74a4d8c2SCharles.Forsyth }
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