From ecc925d2e5bc7f33289f6f40ca5f911050e8971c Mon Sep 17 00:00:00 2001
From: tradke <tradke@b32723a9-ab3a-4a60-88e2-2e5d99d7c17a>
Date: Mon, 5 Nov 2001 15:00:23 +0000
Subject: Added const qualifier to the 'cGH *' argument of some more IO
 functions.

git-svn-id: http://svn.cactuscode.org/arrangements/CactusBase/IOUtil/trunk@135 b32723a9-ab3a-4a60-88e2-2e5d99d7c17a
---
 src/CheckpointRecovery.c        | 31 ++++++++++++++-------------
 src/ioutil_CheckpointRecovery.h | 46 ++++++++++++++++++++---------------------
 2 files changed, 40 insertions(+), 37 deletions(-)

diff --git a/src/CheckpointRecovery.c b/src/CheckpointRecovery.c
index b512e50..7328a7f 100644
--- a/src/CheckpointRecovery.c
+++ b/src/CheckpointRecovery.c
@@ -146,7 +146,7 @@ int IOUtil_RegisterRecover (const char *name,
 
    @var        GH
    @vdesc      Pointer to CCTK grid hierarchy
-   @vtype      cGH *
+   @vtype      const cGH *
    @vio        in
    @endvar
    @var        basefilename
@@ -177,7 +177,7 @@ int IOUtil_RegisterRecover (const char *name,
    @vio        in
    @endvar
 @@*/
-void IOUtil_PrepareFilename (cGH *GH,
+void IOUtil_PrepareFilename (const cGH *GH,
                              const char *basefilename,
                              char *fname,
                              int called_from,
@@ -597,7 +597,7 @@ int IOUtil_RecoverParameters (int (*recoverFn) (cGH *GH,
 
    @var        GH
    @vdesc      Pointer to CCTK grid hierarchy
-   @vtype      cGH *
+   @vtype      const cGH *
    @vio        in
    @endvar
 
@@ -605,7 +605,7 @@ int IOUtil_RecoverParameters (int (*recoverFn) (cGH *GH,
    @returndesc the allocated string or NULL
    @endreturndesc
 @@*/
-char *IOUtil_GetAllParameters (cGH *GH)
+char *IOUtil_GetAllParameters (const cGH *GH)
 {
   int i, first;
   char *param;
@@ -691,22 +691,23 @@ char *IOUtil_GetAllParameters (cGH *GH)
 
    @var        parameters
    @vdesc      the parameter string
-   @vtype      char *
+   @vtype      const char *
    @vio        in
    @endvar
 @@*/
-void IOUtil_SetAllParameters (char *parameters)
+void IOUtil_SetAllParameters (const char *parameters)
 {
   DECLARE_CCTK_PARAMETERS
   char *tmp, *nextparam, *avalue, *param;
   char oldchar;
-  char *name, *thorn_impl;
+  char *name, *thorn_impl, *parameter_string, *free_me;
   const char *thorn;
 
 
-  while (*parameters)
+  parameter_string = free_me = strdup (parameters);
+  while (*parameter_string)
   {
-    nextparam = parameters;
+    nextparam = parameter_string;
     while (*nextparam != '\n' && *nextparam)
     {
       nextparam++;
@@ -714,14 +715,14 @@ void IOUtil_SetAllParameters (char *parameters)
     oldchar = *nextparam;
     *nextparam = 0;
 
-    tmp = parameters;
+    tmp = parameter_string;
     while (*tmp != ' ')
     {
       tmp++;
     }
     *tmp = 0;
 
-    param = parameters;
+    param = parameter_string;
     avalue = tmp + 3;
 
     name = thorn_impl = NULL;
@@ -755,12 +756,14 @@ void IOUtil_SetAllParameters (char *parameters)
     }
 
     *nextparam = oldchar;
-    parameters = nextparam;
-    if (*parameters == '\n')
+    parameter_string = nextparam;
+    if (*parameter_string == '\n')
     {
-      parameters++;
+      parameter_string++;
     }
   }
+
+  free (free_me);
 }
 
 
diff --git a/src/ioutil_CheckpointRecovery.h b/src/ioutil_CheckpointRecovery.h
index 0cbd949..8f9cde5 100644
--- a/src/ioutil_CheckpointRecovery.h
+++ b/src/ioutil_CheckpointRecovery.h
@@ -31,43 +31,43 @@ enum {CP_INITIAL_DATA, CP_EVOLUTION_DATA, CP_RECOVER_PARAMETERS,
  ************************************************************************/
 
 /* create a checkpoint filename */
-void  IOUtil_PrepareFilename (cGH *GH,
-                              const char *basefilename,
-                              char *fname,
-                              int called_from,
-                              int ioproc,
-                              int file_unchunked);
+void IOUtil_PrepareFilename (const cGH *GH,
+                             const char *basefilename,
+                             char *fname,
+                             int called_from,
+                             int ioproc,
+                             int file_unchunked);
 
 /* register a new recovery method */
-int   IOUtil_RegisterRecover (const char *name,
-                              int (*func) (cGH *, const char *, int));
+int IOUtil_RegisterRecover (const char *name,
+                            int (*func) (cGH *, const char *, int));
 
 /* recover variables from a list of data files */
-void  IOUtil_RecoverVarsFromDatafiles (cGH *GH,
-                                       const char *in_files,
-                                       const char *in_vars);
+void IOUtil_RecoverVarsFromDatafiles (cGH *GH,
+                                      const char *in_files,
+                                      const char *in_vars);
 
 /* generic recovery routine called by other IO thorns */
-int   IOUtil_RecoverParameters (int (*recoverFn) (cGH *GH,
-                                                  const char *basefilename,
-                                                  int called_from),
-                                                  const char *fileExtension,
-                                                  const char *fileType);
+int IOUtil_RecoverParameters (int (*recoverFn) (cGH *GH,
+                                                const char *basefilename,
+                                                int called_from),
+                                                const char *fileExtension,
+                                                const char *fileType);
 
 /* return the parameter database as one single string */
-char *IOUtil_GetAllParameters (cGH *GH);
+char *IOUtil_GetAllParameters (const cGH *GH);
 
 /* set all parameters contained in the given string */
-void  IOUtil_SetAllParameters (char *parameters);
+void IOUtil_SetAllParameters (const char *parameters);
 
 /* return true if this run was restarted from recovery, otherwise false */
-int   IOUtil_RestartFromRecovery (const cGH *GH);
+int IOUtil_RestartFromRecovery (const cGH *GH);
 
 /* print the checkpoint/recovery timings to stdout */
-void  IOUtil_PrintTimings (const char *description,
-                           int ntimers,
-                           const int *timers,
-                           const char *const *const timer_descriptions);
+void IOUtil_PrintTimings (const char *description,
+                          int ntimers,
+                          const int *timers,
+                          const char *const *const timer_descriptions);
 
 #ifdef __cplusplus
 }
-- 
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