diff options
Diffstat (limited to 'sound/oss/hex2hex.c')
-rw-r--r-- | sound/oss/hex2hex.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/sound/oss/hex2hex.c b/sound/oss/hex2hex.c new file mode 100644 index 00000000000..5460faae98c --- /dev/null +++ b/sound/oss/hex2hex.c @@ -0,0 +1,101 @@ +/* + * hex2hex reads stdin in Intel HEX format and produces an + * (unsigned char) array which contains the bytes and writes it + * to stdout using C syntax + */ + +#include <stdio.h> +#include <string.h> +#include <stdlib.h> + +#define ABANDON(why) { fprintf(stderr, "%s\n", why); exit(1); } +#define MAX_SIZE (256*1024) +unsigned char buf[MAX_SIZE]; + +int loadhex(FILE *inf, unsigned char *buf) +{ + int l=0, c, i; + + while ((c=getc(inf))!=EOF) + { + if (c == ':') /* Sync with beginning of line */ + { + int n, check; + unsigned char sum; + int addr; + int linetype; + + if (fscanf(inf, "%02x", &n) != 1) + ABANDON("File format error"); + sum = n; + + if (fscanf(inf, "%04x", &addr) != 1) + ABANDON("File format error"); + sum += addr/256; + sum += addr%256; + + if (fscanf(inf, "%02x", &linetype) != 1) + ABANDON("File format error"); + sum += linetype; + + if (linetype != 0) + continue; + + for (i=0;i<n;i++) + { + if (fscanf(inf, "%02x", &c) != 1) + ABANDON("File format error"); + if (addr >= MAX_SIZE) + ABANDON("File too large"); + buf[addr++] = c; + if (addr > l) + l = addr; + sum += c; + } + + if (fscanf(inf, "%02x", &check) != 1) + ABANDON("File format error"); + + sum = ~sum + 1; + if (check != sum) + ABANDON("Line checksum error"); + } + } + + return l; +} + +int main( int argc, const char * argv [] ) +{ + const char * varline; + int i,l; + int id=0; + + if(argv[1] && strcmp(argv[1], "-i")==0) + { + argv++; + argc--; + id=1; + } + if(argv[1]==NULL) + { + fprintf(stderr,"hex2hex: [-i] filename\n"); + exit(1); + } + varline = argv[1]; + l = loadhex(stdin, buf); + + printf("/*\n *\t Computer generated file. Do not edit.\n */\n"); + printf("static int %s_len = %d;\n", varline, l); + printf("static unsigned char %s[] %s = {\n", varline, id?"__initdata":""); + + for (i=0;i<l;i++) + { + if (i) printf(","); + if (i && !(i % 16)) printf("\n"); + printf("0x%02x", buf[i]); + } + + printf("\n};\n\n"); + return 0; +} |