cppexp.c (parse_charconst): Initialize c.

1999-04-06 12:56 -0400  Zack Weinberg  <zack@rabi.columbia.edu>
	* cppexp.c (parse_charconst): Initialize c.
	(cpp_parse_expr): Initialize rprio.
	* cppfiles.c (merge_include_chains): Initialize prev.
	(finclude) Set fp->line_base to fp->buf before returning.
	* cpphash.c (macroexpand): Initialize token.
	* cppspec.c (lang_specific_driver): Change suff to
	const char *const *.

From-SVN: r26213

gcc/ChangeLog

+1999-04-06 12:56 -0400  Zack Weinberg  <zack@rabi.columbia.edu>
+
+	* cppexp.c (parse_charconst): Initialize c.
+	(cpp_parse_expr): Initialize rprio.
+	* cppfiles.c (merge_include_chains): Initialize prev.
+	(finclude) Set fp->line_base to fp->buf before returning.
+	* cpphash.c (macroexpand): Initialize token.
+	* cppspec.c (lang_specific_driver): Change suff to 
+	const char *const *.
+
 1999-04-06 12:51 -0400  Zack Weinberg  <zack@rabi.columbia.edu>
 
 	* cppinit.c (install_predefs): Delete function.

gcc/cppexp.c

@@ -254,10 +254,10 @@ parse_charconst (pfile, start, end)
 
   /* FIXME: Should use reentrant multibyte functions.  */
 #ifdef MULTIBYTE_CHARS
-  wchar_t c;
+  wchar_t c = (wchar_t)-1;
   (void) mbtowc (NULL_PTR, NULL_PTR, 0);
 #else
-  int c;
+  int c = -1;
 #endif
 
   if (*ptr == 'L')
@@ -701,7 +701,7 @@ cpp_parse_expr (pfile)
   struct operation *stack = init_stack;
   struct operation *limit = stack + INIT_STACK_SIZE;
   register struct operation *top = stack;
-  int lprio, rprio;
+  int lprio, rprio = 0;
   int skip_evaluation = 0;
 
   top->rprio = 0;

gcc/cppfiles.c

@@ -112,7 +112,7 @@ merge_include_chains (opts)
      Note that this algorithm is quadratic in the number of -I switches,
      which is acceptable since there aren't usually that many of them.  */
 
-  for (cur = quote; cur; cur = cur->next)
+  for (cur = quote, prev = NULL; cur; cur = cur->next)
     {
       for (other = quote; other != cur; other = other->next)
         if (INO_T_EQ (cur->ino, other->ino)
@@ -680,6 +680,7 @@ finclude (pfile, fd, ihash)
       fp->system_header_p = ihash->foundhere->sysp;
   fp->lineno = 1;
   fp->colno = 1;
+  fp->line_base = fp->buf;
   fp->cleanup = file_cleanup;
 
   /* The ->actual_dir field is only used when ignore_srcdir is not in effect;

gcc/cpphash.c

@@ -1081,7 +1081,7 @@ macroexpand (pfile, hp)
 
   if (nargs >= 0)
     {
-      enum cpp_token token;
+      enum cpp_token token = CPP_EOF;
 
       args = (struct argdata *) alloca ((nargs + 1) * sizeof (struct argdata));
 

gcc/cppspec.c

@@ -146,7 +146,7 @@ lang_specific_driver (errfn, in_argc, in_argv, in_added_libraries)
 	{
 	  int l = strlen (argv[i]);
 	  int known = 0;
-	  const char **suff;
+	  const char *const *suff;
 	  
 	  read_stdin = 0;
 	  for (suff = known_suffixes; *suff; suff++)