avoid anonymous struct typedefs (#900)

src/demangle.cc

@@ -46,10 +46,10 @@
 _START_GOOGLE_NAMESPACE_
 
 #if !defined(GLOG_OS_WINDOWS)
-typedef struct {
+struct AbbrevPair {
   const char *abbrev;
   const char *real_name;
-} AbbrevPair;
+};
 
 // List of operators from Itanium C++ ABI.
 static const AbbrevPair kOperatorList[] = {
@@ -148,7 +148,7 @@ static const AbbrevPair kSubstitutionList[] = {
 };
 
 // State needed for demangling.
-typedef struct {
+struct State {
   const char *mangled_cur;   // Cursor of mangled name.
   char *out_cur;             // Cursor of output string.
   const char *out_begin;     // Beginning of output string.
@@ -158,7 +158,7 @@ typedef struct {
   short nest_level;          // For nested names.
   bool append;               // Append flag.
   bool overflowed;           // True if output gets overflowed.
-} State;
+};
 
 // We don't use strlen() in libc since it's not guaranteed to be async
 // signal safe.

src/stacktrace_unwind-inl.h

@@ -38,13 +38,12 @@
 
 _START_GOOGLE_NAMESPACE_
 
-typedef struct {
+struct trace_arg_t {
   void **result;
   int max_depth;
   int skip_count;
   int count;
-} trace_arg_t;
-
+};
 
 // Workaround for the malloc() in _Unwind_Backtrace() issue.
 static _Unwind_Reason_Code nop_backtrace(struct _Unwind_Context */*uc*/, void */*opq*/) {

src/windows/dirent.h

@@ -237,11 +237,10 @@ struct _wdirent {
     /* File name */
     wchar_t d_name[PATH_MAX+1];
 };
-typedef struct _wdirent _wdirent;
 
 struct _WDIR {
     /* Current directory entry */
-    struct _wdirent ent;
+    _wdirent ent;
 
     /* Private file data */
     WIN32_FIND_DATAW data;
@@ -255,7 +254,6 @@ struct _WDIR {
     /* Initial directory name */
     wchar_t *patt;
 };
-typedef struct _WDIR _WDIR;
 
 /* Multi-byte character version */
 struct dirent {
@@ -277,14 +275,11 @@ struct dirent {
     /* File name */
     char d_name[PATH_MAX+1];
 };
-typedef struct dirent dirent;
 
 struct DIR {
     struct dirent ent;
     struct _WDIR *wdirp;
 };
-typedef struct DIR DIR;
-
 
 /* Dirent functions */
 static DIR *opendir (const char *dirname);