d-demangle.c (dlang_call_convention): Return NULL if have reached the end of the…

d-demangle.c (dlang_call_convention): Return NULL if have reached the end of the symbol, but expected something to read.

libiberty/ChangeLog:

2015-05-16  Iain Buclaw  <ibuclaw@gdcproject.org>

	* d-demangle.c (dlang_call_convention): Return NULL if have reached the
	end of the symbol, but expected something to read.
	(dlang_attributes): Likewise.
	(dlang_function_type): Likewise.
	(dlang_type): Likewise.
	(dlang_identifier): Likewise.
	(dlang_value): Likewise.

From-SVN: r223241

libiberty/ChangeLog

 2015-05-16  Iain Buclaw  <ibuclaw@gdcproject.org>
 
+	* d-demangle.c (dlang_call_convention): Return NULL if have reached the
+	end of the symbol, but expected something to read.
+	(dlang_attributes): Likewise.
+	(dlang_function_type): Likewise.
+	(dlang_type): Likewise.
+	(dlang_identifier): Likewise.
+	(dlang_value): Likewise.
+
+2015-05-16  Iain Buclaw  <ibuclaw@gdcproject.org>
+
 	* d-demangle.c (dlang_parse_string): Represent embedded whitespace or
 	non-printable characters as hex or escape sequences.
 	* testsuite/d-demangle-expected: Add test for templates with tabs and

libiberty/d-demangle.c

@@ -185,7 +185,7 @@ static const char *
 dlang_call_convention (string *decl, const char *mangled)
 {
   if (mangled == NULL || *mangled == '\0')
-    return mangled;
+    return NULL;
 
   switch (*mangled)
     {
@@ -221,7 +221,7 @@ static const char *
 dlang_attributes (string *decl, const char *mangled)
 {
   if (mangled == NULL || *mangled == '\0')
-    return mangled;
+    return NULL;
 
   while (*mangled == 'N')
     {
@@ -280,7 +280,7 @@ dlang_function_type (string *decl, const char *mangled)
   size_t szattr, szargs, sztype;
 
   if (mangled == NULL || *mangled == '\0')
-    return mangled;
+    return NULL;
 
   /* The order of the mangled string is:
 	CallConvention FuncAttrs Arguments ArgClose Type
@@ -380,7 +380,7 @@ static const char *
 dlang_type (string *decl, const char *mangled)
 {
   if (mangled == NULL || *mangled == '\0')
-    return mangled;
+    return NULL;
 
   switch (*mangled)
     {
@@ -600,7 +600,7 @@ static const char *
 dlang_identifier (string *decl, const char *mangled)
 {
   if (mangled == NULL || *mangled == '\0')
-    return mangled;
+    return NULL;
 
   if (ISDIGIT (*mangled))
     {
@@ -1061,7 +1061,7 @@ static const char *
 dlang_value (string *decl, const char *mangled, const char *name, char type)
 {
   if (mangled == NULL || *mangled == '\0')
-    return mangled;
+    return NULL;
 
   switch (*mangled)
     {