- using unsigned int

src/headers/check.h

@@ -27,8 +27,8 @@ static const bool_t false = 0;
 static const bool_t true = 1;
 
 /* MINTAGS - MAXTAGS is range of possible existing TAG numbers */
-#define MINTAGS 254
-#define MAXTAGS 65536
+#define MINTAGS 254U
+#define MAXTAGS 65536U
 
 typedef enum{ is_memmap, is_filep } ct_ioflag_t ; /* flag */
 

src/headers/config_parser.h

@@ -28,7 +28,7 @@ typedef enum {
 
 /* the stack size depends on count of rules and count of numbers, in general
  * 65536 should be enough. Otherwise you need to increase it */
-#define MAXSTACKDEPTH 65536
+#define MAXSTACKDEPTH 65536u
 typedef enum {
   fc_true,
   fc_false,
@@ -58,7 +58,7 @@ typedef enum {
   fc_dummy
 } function_t;
 
-#define INTERNALSTACKDEPTH 8
+#define INTERNALSTACKDEPTH 8u
 typedef struct internal_entry_s {
   int lineno;
   bool_t is_precondition;

src/helper/check_tiffparse.c

@@ -711,7 +711,7 @@ ctiff_t * initialize_ctif(const char * tiff_file, ct_ioflag_t ioflag) {
   ctif->streamp = NULL;
   ctif->actual_streamp = NULL;
   ctif->tagorder=unknown_tag_order;
-  for (int i= 0; i<MAXTAGS; i++) { /* init with -1 indicating 'not found' */
+  for (unsigned int i= 0; i<MAXTAGS; i++) { /* init with -1 indicating 'not found' */
     ctif->tag_cache[i]= -1;
   }
 #ifdef _HAVE_MMAP