tiny tool to help with dumping a binary lng file to the screen to make it

easier to compare with the generated lang.[ch]


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14272 a1c6a512-1295-4272-9138-f99709370657

tools/lngdump.c

@@ -0,0 +1,50 @@
+#include <stdio.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#define MAX_LANGUAGE_SIZE 20000
+
+static char language_buffer[MAX_LANGUAGE_SIZE];
+
+int lang_load(const char *filename)
+{
+    int fsize;
+    int fd = open(filename, O_RDONLY);
+    int retcode=0;
+    unsigned char lang_header[3];
+    if(fd == -1)
+        return 1;
+    if(3 == read(fd, lang_header, 3)) {
+        unsigned char *ptr = language_buffer;
+        int id;
+        printf("%02x %02x %02x\n",
+               lang_header[0], lang_header[1], lang_header[2]);
+
+        fsize = read(fd, language_buffer, MAX_LANGUAGE_SIZE);
+        
+        while(fsize>3) {
+            id = (ptr[0]<<8) | ptr[1];  /* get two-byte id */
+            ptr+=2;                     /* pass the id */
+            if(id < 2000) {
+                printf("%03d %s\n", id, ptr);
+            }
+            while(*ptr) {               /* pass the string */
+                fsize--;
+                ptr++;
+            }
+            fsize-=3; /* the id and the terminating zero */
+            ptr++;       /* pass the terminating zero-byte */
+        }
+    }
+    close(fd);
+    return retcode;
+}
+
+int main(int argc, char **argv)
+{
+    if(argc < 2) {
+        printf("Usage: lngdump <lng file>\n");
+        return 2;
+    }
+    lang_load(argv[1]);
+}