1 files changed, 101 insertions, 0 deletions

diff --git a/sound/oss/hex2hex.c b/sound/oss/hex2hex.c
new file mode 100644
index 000000000000..5460faae98c9
--- /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;
+}