Cleanup of djvu.c

1. Use the proper <string.h> header.
2. Typo fixes and whitespace changes.
3. Comment out debug printf() about cache size.
4. Remove obsolete comment(s).

Conflicts:

	djvu.c

djvu.c

@@ -16,10 +16,10 @@
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 #include <math.h>
+#include <string.h>
 #include <libdjvu/miniexp.h>
 #include <libdjvu/ddjvuapi.h>
 
-#include "string.h"
 #include "blitbuffer.h"
 #include "drawcontext.h"
 #include "djvu.h"
@@ -27,7 +27,6 @@
 #define MIN(a, b)      ((a) < (b) ? (a) : (b))
 #define MAX(a, b)      ((a) > (b) ? (a) : (b))
 
-
 typedef struct DjvuDocument {
 	ddjvu_context_t *context;
 	ddjvu_document_t *doc_ref;
@@ -41,7 +40,6 @@ typedef struct DjvuPage {
 	DjvuDocument *doc;
 } DjvuPage;
 
-
 static int handle(lua_State *L, ddjvu_context_t *ctx, int wait)
 {
 	const ddjvu_message_t *msg;
@@ -83,7 +81,7 @@ static int openDocument(lua_State *L) {
 		return luaL_error(L, "cannot create context");
 	}
 
-	printf("## cache_size = %d\n", cache_size);
+	//printf("## cache_size = %d\n", cache_size);
 	ddjvu_cache_set_size(doc->context, (unsigned long)cache_size);
 
 	doc->doc_ref = ddjvu_document_create_by_filename_utf8(doc->context, filename, TRUE);
@@ -108,7 +106,7 @@ static int openDocument(lua_State *L) {
 static int closeDocument(lua_State *L) {
 	DjvuDocument *doc = (DjvuDocument*) luaL_checkudata(L, 1, "djvudocument");
 
-	// should be save if called twice
+	// should be safe if called twice
 	if (doc->doc_ref != NULL) {
 		ddjvu_document_release(doc->doc_ref);
 		doc->doc_ref = NULL;
@@ -170,7 +168,6 @@ static int walkTableOfContent(lua_State *L, miniexp_t r, int *count, int depth)
 	return 0;
 }
 
-
 static int getTableOfContent(lua_State *L) {
 	DjvuDocument *doc = (DjvuDocument*) luaL_checkudata(L, 1, "djvudocument");
 	miniexp_t r;
@@ -515,14 +512,14 @@ static int drawPage(lua_State *L) {
 static int getCacheSize(lua_State *L) {
 	DjvuDocument *doc = (DjvuDocument*) luaL_checkudata(L, 1, "djvudocument");
 	unsigned long size = ddjvu_cache_get_size(doc->context);
-	printf("## ddjvu_cache_get_size = %d\n", size);
+	//printf("## ddjvu_cache_get_size = %d\n", (int)size);
 	lua_pushnumber(L, size);
 	return 1;
 }
 
 static int cleanCache(lua_State *L) {
 	DjvuDocument *doc = (DjvuDocument*) luaL_checkudata(L, 1, "djvudocument");
-	printf("## ddjvu_cache_clear\n");
+	//printf("## ddjvu_cache_clear\n");
 	ddjvu_cache_clear(doc->context);
 	return 0;
 }