- secured macro

src/helper/check_tiffparse.c

@@ -351,16 +351,16 @@ tag_t TIFFGetRawTagListEntry( ctiff_t * ctif, int tagidx ) {
 }
 
 #define OFFSET_MALLOC(ctif_p, offsetdata, offset_type, count ) {\
-  size_t size = (size_t) sizeof(offset_type) * count;\
-  if((size_t) ctif_p->streamlen < size) {\
+  size_t size = (size_t) sizeof(offset_type) * (count);\
+  if((size_t) (ctif_p)->streamlen < size) {\
     char msg[VALUESTRLEN]; \
-    snprintf(msg, VALUESTRLEN,  "TIFF Offset ct_read error, try to read from offset count=%zu bytes, but file has size=%u\n", size, ctif_p->streamlen); \
+    snprintf(msg, VALUESTRLEN,  "TIFF Offset ct_read error, try to read from offset count=%zu bytes, but file has size=%u\n", size, (ctif_p)->streamlen); \
     *ret_p  = set_value_found_ret( ret_p, msg); \
     ret_p->returncode = tiff_seek_error_offset;\
     return * ret_p;\
   }\
-  offsetdata = NULL; offsetdata = malloc (size);\
-  if (NULL == offsetdata) {\
+  (offsetdata) = NULL; (offsetdata) = malloc (size);\
+  if (NULL == (offsetdata)) {\
     fprintf( stderr, "could not allocate memory for offset_t\n");\
     exit (EXIT_FAILURE);\
   }\