debug logging support

2026-04-21 02:16:44 +00:00 · 2013-07-07 14:01:21 -07:00
parent e70a1ef620
commit ae6790ab97
1 changed files with 63 additions and 0 deletions
@@ -0,0 +1,63 @@
+/*
+ * Apple // emulator : misc defines
+ *
+ * Copyright 2013 Aaron Culliney
+ *
+ * This software package is subject to the GNU General Public License
+ * version 2 or later (your choice) as published by the Free Software
+ * Foundation.
+ *
+ * THERE ARE NO WARRANTIES WHATSOEVER.
+ *
+ */
+
+#ifndef _COMMON_H_
+#define _COMMON_H_
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+
+#ifndef NDEBUG
+
+#if defined(__GNUC__)
+    #pragma GCC diagnostic push
+    #pragma GCC diagnostic ignored "-Wunused-variable"
+#elif defined(__clang__)
+    #pragma clang diagnostic push
+    #pragma clang diagnostic ignored "-Werror=unused-variable"
+#endif
+
+static FILE *error_log=0;
+#define ERRLOG(/* err message format string, args */...)                                \
+    {                                                                                   \
+        int saverr = errno; errno = 0;                                                  \
+        fprintf(error_log ? error_log : stderr, "%s:%d - ", __FILE__, __LINE__);        \
+        fprintf(error_log ? error_log : stderr, __VA_ARGS__);                           \
+        if (saverr) {                                                                   \
+            fprintf(error_log ? error_log : stderr, " (syserr: %s)", strerror(saverr)); \
+        }                                                                               \
+        fprintf(error_log ? error_log : stderr, "\n");                                  \
+    }
+
+#else // NDEBUG
+
+#if defined(__GNUC__)
+    #pragma GCC diagnostic pop
+#elif defined(__clang__)
+    #pragma clang diagnostic pop
+#endif
+
+#define ERRLOG(...)                                                                     \
+    do                                                                                  \
+    {                                                                                   \
+    } while(0);
+
+#endif
+
+#define LOG(...) ERRLOG(__VA_ARGS__)
+
+static void inline Free(void *x) { free(x); x=NULL; }
+
+#endif // whole file