sound: oss/pas2: Remove CLOCK_TICK_RATE dependency from PAS16 driver
[linux-2.6.git] / sound / oss / hex2hex.c
1 /*
2  * hex2hex reads stdin in Intel HEX format and produces an
3  * (unsigned char) array which contains the bytes and writes it
4  * to stdout using C syntax
5  */
6
7 #include <stdio.h>
8 #include <string.h>
9 #include <stdlib.h>
10
11 #define ABANDON(why) { fprintf(stderr, "%s\n", why); exit(1); }
12 #define MAX_SIZE (256*1024)
13 unsigned char buf[MAX_SIZE];
14
15 static int loadhex(FILE *inf, unsigned char *buf)
16 {
17         int l=0, c, i;
18
19         while ((c=getc(inf))!=EOF)
20         {
21                 if (c == ':')   /* Sync with beginning of line */
22                 {
23                         int n, check;
24                         unsigned char sum;
25                         int addr;
26                         int linetype;
27
28                         if (fscanf(inf, "%02x", &n) != 1)
29                            ABANDON("File format error");
30                         sum = n;
31
32                         if (fscanf(inf, "%04x", &addr) != 1)
33                            ABANDON("File format error");
34                         sum += addr/256;
35                         sum += addr%256;
36
37                         if (fscanf(inf, "%02x", &linetype) != 1)
38                            ABANDON("File format error");
39                         sum += linetype;
40
41                         if (linetype != 0)
42                            continue;
43
44                         for (i=0;i<n;i++)
45                         {
46                                 if (fscanf(inf, "%02x", &c) != 1)
47                                    ABANDON("File format error");
48                                 if (addr >= MAX_SIZE)
49                                    ABANDON("File too large");
50                                 buf[addr++] = c;
51                                 if (addr > l)
52                                    l = addr;
53                                 sum += c;
54                         }
55
56                         if (fscanf(inf, "%02x", &check) != 1)
57                            ABANDON("File format error");
58
59                         sum = ~sum + 1;
60                         if (check != sum)
61                            ABANDON("Line checksum error");
62                 }
63         }
64
65         return l;
66 }
67
68 int main( int argc, const char * argv [] )
69 {
70         const char * varline;
71         int i,l;
72         int id=0;
73
74         if(argv[1] && strcmp(argv[1], "-i")==0)
75         {
76                 argv++;
77                 argc--;
78                 id=1;
79         }
80         if(argv[1]==NULL)
81         {
82                 fprintf(stderr,"hex2hex: [-i] filename\n");
83                 exit(1);
84         }
85         varline = argv[1];
86         l = loadhex(stdin, buf);
87
88         printf("/*\n *\t Computer generated file. Do not edit.\n */\n");
89         printf("static int %s_len = %d;\n", varline, l);
90         printf("static unsigned char %s[] %s = {\n", varline, id?"__initdata":"");
91
92         for (i=0;i<l;i++)
93         {
94                 if (i) printf(",");
95                 if (i && !(i % 16)) printf("\n");
96                 printf("0x%02x", buf[i]);
97         }
98
99         printf("\n};\n\n");
100         return 0;
101 }