[sanitizer] Make function declarations C-compatible

The public sanitizer headers are intended to be usable from either
C++ or C, but they declare no-argument functions with the syntax that
is not a proper prototype declaration in C. This goes unnoticed until
someone uses -Wsystem-headers.

Patch By: mcgrathr

Reviewers: phosek, vitalybuka

Reviewed By: vitalybuka

Differential Revision: https://reviews.llvm.org/D41475

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@321305 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 12 insertions, 12 deletions

diff --git a/include/sanitizer/asan_interface.h b/include/sanitizer/asan_interface.h
index e689a730e..f2d77143b 100644
--- a/include/sanitizer/asan_interface.h
+++ b/include/sanitizer/asan_interface.h
@@ -64,19 +64,19 @@ extern "C" {
 
   // Useful for calling from a debugger to get information about an ASan error.
   // Returns 1 if an error has been (or is being) reported, otherwise returns 0.
-  int __asan_report_present();
+  int __asan_report_present(void);
 
   // Useful for calling from a debugger to get information about an ASan error.
   // If an error has been (or is being) reported, the following functions return
   // the pc, bp, sp, address, access type (0 = read, 1 = write), access size and
   // bug description (e.g. "heap-use-after-free"). Otherwise they return 0.
-  void *__asan_get_report_pc();
-  void *__asan_get_report_bp();
-  void *__asan_get_report_sp();
-  void *__asan_get_report_address();
-  int __asan_get_report_access_type();
-  size_t __asan_get_report_access_size();
-  const char *__asan_get_report_description();
+  void *__asan_get_report_pc(void);
+  void *__asan_get_report_bp(void);
+  void *__asan_get_report_sp(void);
+  void *__asan_get_report_address(void);
+  int __asan_get_report_access_type(void);
+  size_t __asan_get_report_access_size(void);
+  const char *__asan_get_report_description(void);
 
   // Useful for calling from the debugger to get information about a pointer.
   // Returns the category of the given pointer as a constant string.
@@ -118,21 +118,21 @@ extern "C" {
   // User may provide function that would be called right when ASan detects
   // an error. This can be used to notice cases when ASan detects an error, but
   // the program crashes before ASan report is printed.
-  void __asan_on_error();
+  void __asan_on_error(void);
 
   // Prints accumulated stats to stderr. Used for debugging.
-  void __asan_print_accumulated_stats();
+  void __asan_print_accumulated_stats(void);
 
   // This function may be optionally provided by user and should return
   // a string containing ASan runtime options. See asan_flags.h for details.
-  const char* __asan_default_options();
+  const char* __asan_default_options(void);
 
   // The following 2 functions facilitate garbage collection in presence of
   // asan's fake stack.
 
   // Returns an opaque handler to be used later in __asan_addr_is_in_fake_stack.
   // Returns NULL if the current thread does not have a fake stack.
-  void *__asan_get_current_fake_stack();
+  void *__asan_get_current_fake_stack(void);
 
   // If fake_stack is non-NULL and addr belongs to a fake frame in
   // fake_stack, returns the address on real stack that corresponds to