Dokumentiere die unbenutzten Variablen besser...

1 files changed, 7 insertions, 5 deletions

diff --git a/csv.c b/csv.c
index 8e4dfa2..8be2ea5 100644
--- a/csv.c
+++ b/csv.c
@@ -23,12 +23,14 @@ mul_overflow(size_t a, size_t b, size_t *out)
 }
 #endif
 
+#define UNUSED(x) (void)(sizeof((x), 0))
+
 // === CSV-MEMORY Interface ===
 
 static void *
 csv_mem_allocate(size_t n, size_t sz, void *cb_arg)
 {
-        (void) cb_arg;
+        UNUSED(cb_arg);
 
         size_t len;
         if ( n == 0 || sz == 0 || mul_overflow(n, sz, &len) ) {
@@ -40,7 +42,7 @@ csv_mem_allocate(size_t n, size_t sz, void *cb_arg)
 static void *
 csv_mem_reallocate(void *ptr, size_t n, size_t sz, void *cb_arg)
 {
-        (void) cb_arg;
+        UNUSED(cb_arg);
 
         size_t len;
         if ( n == 0 || sz == 0 || mul_overflow(n, sz, &len) ) {
@@ -52,9 +54,9 @@ csv_mem_reallocate(void *ptr, size_t n, size_t sz, void *cb_arg)
 static void
 csv_mem_free(void *ptr, size_t n, size_t sz, void *cb_arg)
 {
-        (void) n;
-        (void) sz;
-        (void) cb_arg;
+        UNUSED(n);
+        UNUSED(sz);
+        UNUSED(cb_arg);
 
         free(ptr);
 }