btrfs-progs: send-stream: track the read position in the stream

[platform/upstream/btrfs-progs.git] / kerncompat.h

diff --git a/kerncompat.h b/kerncompat.h
index 26d3cb7..ed9a042 100644 (file)
--- a/kerncompat.h
+++ b/kerncompat.h
@@ -68,6 +68,14 @@
 #define ULONG_MAX       (~0UL)
 #endif
 
+#define __token_glue(a,b,c)    ___token_glue(a,b,c)
+#define ___token_glue(a,b,c)   a ## b ## c
+#ifdef DEBUG_BUILD_CHECKS
+#define BUILD_ASSERT(x)                extern int __token_glue(compile_time_assert_,__LINE__,__COUNTER__)[1-2*!(x)] __attribute__((unused))
+#else
+#define BUILD_ASSERT(x)
+#endif
+
 #ifndef BTRFS_DISABLE_BACKTRACE
 #define MAX_BACKTRACE  16
 static inline void print_trace(void)
@@ -91,9 +99,15 @@ static inline void assert_trace(const char *assertion, const char *filename,
                fprintf(stderr, "%s:%d: %s: Assertion failed, value %d.\n",
                        filename, line, func, val);
        print_trace();
+       abort();
        exit(1);
 }
 
+#define BUG() assert_trace(NULL, __FILE__, __func__, __LINE__, 0)
+#else
+#define BUG() assert(0)
+#endif
+
 static inline void warning_trace(const char *assertion, const char *filename,
                              const char *func, unsigned line, int val,
                              int trace)
@@ -108,14 +122,12 @@ static inline void warning_trace(const char *assertion, const char *filename,
                fprintf(stderr,
                        "%s:%d: %s: Warning: assertion failed, value %d.\n",
                        filename, line, func, val);
+#ifndef BTRFS_DISABLE_BACKTRACE
        if (trace)
                print_trace();
+#endif
 }
 
-#define BUG() assert_trace(NULL, __FILE__, __func__, __LINE__, 0)
-#else
-#define BUG() assert(0)
-#endif
 
 #ifdef __CHECKER__
 #define __force    __attribute__((force))