dbgcnt.c (dbg_cnt_process_single_pair): constify.

gcc/
	* dbgcnt.c (dbg_cnt_process_single_pair): constify.
	* opts.c (common_handle_option): constify.
gcc/cp/
	* repo.c (extract_string, get_base_filename, init_repo): constify.
libcpp/
	* directives.c (cpp_define): constify.

From-SVN: r151661

gcc/ChangeLog

+2009-09-10  Jason Merrill  <jason@redhat.com>
+
+	* dbgcnt.c (dbg_cnt_process_single_pair): constify.
+	* opts.c (common_handle_option): constify.
+
 2009-09-12  Gerald Pfeifer  <gerald@pfeifer.com>
 
 	* doc/install.texi (avr): Remove obsolete reference site.

gcc/cp/ChangeLog

+2009-09-10  Jason Merrill  <jason@redhat.com>
+
+	* repo.c (extract_string, get_base_filename, init_repo): constify.
+
 2009-09-09  Jason Merrill  <jason@redhat.com>
 
 	* error.c (find_typenames_r): Also add decltypes.

gcc/cp/repo.c

@@ -37,7 +37,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "diagnostic.h"
 #include "flags.h"
 
-static char *extract_string (char **);
+static const char *extract_string (const char **);
 static const char *get_base_filename (const char *);
 static FILE *open_repo_file (const char *);
 static char *afgets (FILE *);
@@ -53,10 +53,10 @@ static bool temporary_obstack_initialized_p;
 
 /* Parse a reasonable subset of shell quoting syntax.  */
 
-static char *
-extract_string (char **pp)
+static const char *
+extract_string (const char **pp)
 {
-  char *p = *pp;
+  const char *p = *pp;
   int backquote = 0;
   int inside = 0;
 
@@ -89,13 +89,13 @@ extract_string (char **pp)
 static const char *
 get_base_filename (const char *filename)
 {
-  char *p = getenv ("COLLECT_GCC_OPTIONS");
+  const char *p = getenv ("COLLECT_GCC_OPTIONS");
   const char *output = NULL;
   int compiling = 0;
 
   while (p && *p)
     {
-      char *q = extract_string (&p);
+      const char *q = extract_string (&p);
 
       if (strcmp (q, "-o") == 0)
 	{
@@ -161,6 +161,7 @@ void
 init_repo (void)
 {
   char *buf;
+  const char *p;
   FILE *repo_file;
 
   if (! flag_use_repository)
@@ -212,8 +213,8 @@ init_repo (void)
   fclose (repo_file);
 
   if (old_args && !get_random_seed (true)
-      && (buf = strstr (old_args, "'-frandom-seed=")))
-    set_random_seed (extract_string (&buf) + strlen ("-frandom-seed="));
+      && (p = strstr (old_args, "'-frandom-seed=")))
+    set_random_seed (extract_string (&p) + strlen ("-frandom-seed="));
 }
 
 static FILE *

gcc/dbgcnt.c

@@ -101,7 +101,7 @@ dbg_cnt_set_limit_by_name (const char *name, int len, int value)
 static const char *
 dbg_cnt_process_single_pair (const char *arg)
 {
-   char *colon = strchr (arg, ':');
+   const char *colon = strchr (arg, ':');
    char *endptr = NULL;
    int value;
    

gcc/opts.c

@@ -1512,7 +1512,7 @@ common_handle_option (size_t scode, const char *arg, int value,
 	      { NULL, 0 }
 	    };
 	    unsigned int * pflags;
-	    char * comma;
+	    const char * comma;
 	    unsigned int lang_flag, specific_flag;
 	    unsigned int len;
 	    unsigned int i;

libcpp/ChangeLog

+2009-09-10  Jason Merrill  <jason@redhat.com>
+
+	* directives.c (cpp_define): constify.
+
 2009-09-02  Ian Lance Taylor  <iant@google.com>
 
 	* macro.c (stringify_arg): Escape CPP_WCHAR tokens.

libcpp/directives.c

@@ -2156,7 +2156,8 @@ do_unassert (cpp_reader *pfile)
 void
 cpp_define (cpp_reader *pfile, const char *str)
 {
-  char *buf, *p;
+  char *buf;
+  const char *p;
   size_t count;
 
   /* Copy the entire option so we can modify it.