Replace 0 with NULL for pointers.

Only applied to C code: common style for C++ is different.

Found with coccinelle:	http://coccinelle.lip6.fr/

3 files changed, 8 insertions, 8 deletions

diff --git a/soltools/cpp/_getopt.c b/soltools/cpp/_getopt.c
index 43c907dba4e1..452d7832642f 100644
--- a/soltools/cpp/_getopt.c
+++ b/soltools/cpp/_getopt.c
@@ -54,7 +54,7 @@ int
             }
     }
     optopt = c = argv[optind][sp];
-    if (c == ':' || (cp = strchr(opts, c)) == 0)
+    if (c == ':' || (cp = strchr(opts, c)) == NULL)
     {
         ERR(": illegal option -- ", c);
         if (argv[optind][++sp] == '\0')
@@ -86,7 +86,7 @@ int
             sp = 1;
             optind++;
         }
-        optarg = 0;
+        optarg = NULL;
     }
     return c;
 }
diff --git a/soltools/cpp/_mcrvalid.c b/soltools/cpp/_mcrvalid.c
index 4e63df45a0ae..d8c274281fe6 100644
--- a/soltools/cpp/_mcrvalid.c
+++ b/soltools/cpp/_mcrvalid.c
@@ -35,7 +35,7 @@
 void
 mvl_init(MacroValidatorList * out_pValidators)
 {
-    out_pValidators->pFirst = 0;
+    out_pValidators->pFirst = NULL;
     out_pValidators->nextFreeIdentifier = 1;
 }
 
@@ -45,7 +45,7 @@ mvl_destruct(MacroValidatorList * out_pValidators)
     MacroValidator * pV = out_pValidators->pFirst;
     MacroValidator * pDel;
     for ( pDel = out_pValidators->pFirst;
-          pDel != 0;
+          pDel != NULL;
           pDel = pV )
     {
         pV = pV->pNext;
@@ -71,7 +71,7 @@ mvl_add( MacroValidatorList *   inout_pValidators,
     MacroValidator * pNew = new(MacroValidator);
     pNew->pMacro = in_pMacro;
 
-    if (in_pTokenWhereMacroBecomesValid == 0)
+    if (in_pTokenWhereMacroBecomesValid == NULL)
     {
         pNew->nTokenWhereMacroBecomesValid = INVALID_TILL_ENDOFROW;
     }
@@ -111,10 +111,10 @@ mvl_check(  MacroValidatorList * inout_pValidators,
 {
     MacroValidator * pV;            /* Running pointer */
     MacroValidator * pCheckedOnes;  /* Here new list is built.  */
-    pCheckedOnes = 0;
+    pCheckedOnes = NULL;
 
     for ( pV = inout_pValidators->pFirst;
-          pV != 0;
+          pV != NULL;
           pV = inout_pValidators->pFirst )
     {
         inout_pValidators->pFirst = pV->pNext;
diff --git a/soltools/cpp/_nlist.c b/soltools/cpp/_nlist.c
index a82df50d6537..6e7eb93875c7 100644
--- a/soltools/cpp/_nlist.c
+++ b/soltools/cpp/_nlist.c
@@ -96,7 +96,7 @@ void
             kwdefined = np;
             np->val = NAME;
             np->vp = &deftr;
-            np->ap = 0;
+            np->ap = NULL;
         }
     }
 }