From: Peter Howkins <flibble@users.sf.net>
Date: Tue, 18 Sep 2012 11:00:05 +0000 (+0100)
Subject: dtudcexch/dtudcfonted: Resolve 78 compiler warnings.
X-Git-Tag: 2.2.0c~55^2
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=5e14a88e2cea8ea9e77fb78234090010f1f8755e;p=oweals%2Fcde.git

dtudcexch/dtudcfonted: Resolve 78 compiler warnings.
---

diff --git a/cde/programs/dtudcexch/exportbdf.c b/cde/programs/dtudcexch/exportbdf.c
index 95016d61..ef5ad51f 100644
--- a/cde/programs/dtudcexch/exportbdf.c
+++ b/cde/programs/dtudcexch/exportbdf.c
@@ -33,6 +33,7 @@
 #include <stdio.h>
 #include <fcntl.h>
 #include <signal.h>
+#include <stdlib.h>
 #ifndef SVR4
 #if !defined( SYSV )
 #include <sys/resource.h>
diff --git a/cde/programs/dtudcexch/selectx.c b/cde/programs/dtudcexch/selectx.c
index b815bc27..5968634d 100644
--- a/cde/programs/dtudcexch/selectx.c
+++ b/cde/programs/dtudcexch/selectx.c
@@ -245,7 +245,7 @@ void makelist(ListData *ld)
     existcode_num = 0;
     for (i = 0; i < ld->allcode_num; i++) {
 	code = *allcodep;
-	pattern = FalReadFont(fid, code, NULL, NULL);
+	pattern = FalReadFont(fid, code, 0, 0);
 	if (fal_utyexists == 0) {
 	    *existcodep = *allcodep;
 	    existcodep++;
@@ -294,7 +294,7 @@ char *i2s(int code)
     for (i = 0; ; i++) {
 	if (tmp < 16) {
 	    buf[i] = i2c(tmp);
-	    buf[i+1] = NULL;
+	    buf[i+1] = 0;
 	    break;
 	}
 	buf[i] = i2c(tmp % 16);
@@ -309,7 +309,7 @@ char *i2s(int code)
 	*cp = buf[i];
 	cp++;
     }
-    *cp = NULL;
+    *cp = 0;
     return (number);
 }
 
diff --git a/cde/programs/dtudcfonted/include/bdfgpf.h b/cde/programs/dtudcfonted/include/bdfgpf.h
index 19f0ca0a..cf2b9928 100644
--- a/cde/programs/dtudcfonted/include/bdfgpf.h
+++ b/cde/programs/dtudcfonted/include/bdfgpf.h
@@ -181,7 +181,7 @@ extern char *bdftopcf;
 #define	SNFFONTC_ERROR	-26
 
 #define SCAN_TO_NONSP(p) {\
-    while (*(p) != NULL) {\
+    while (*(p) != 0) {\
 	if ((*(p) == ' ') || (*(p) == TAB_CD) || (*(p) == 0xa1)) {\
 	    (p)++;\
 	} else {\
@@ -191,7 +191,7 @@ extern char *bdftopcf;
 }
 
 #define SCAN_TO_SP(p) {\
-    while (*(p) != NULL) {\
+    while (*(p) != 0) {\
 	if ((*(p) == ' ') || (*(p) == TAB_CD) || (*(p) == 0xa1)) {\
 	    break;\
 	} else {\
diff --git a/cde/programs/dtudcfonted/include/udcopt.h b/cde/programs/dtudcfonted/include/udcopt.h
index df72bf47..ce7c3687 100644
--- a/cde/programs/dtudcfonted/include/udcopt.h
+++ b/cde/programs/dtudcfonted/include/udcopt.h
@@ -188,7 +188,7 @@
 /*
  * help message
  */
-#define COMM_HELP_MSG{ \
+#define COMM_HELP_MSG { \
 	USAGE("              [-codeset number] [-help]\n"); \
 	USAGE("\n"); \
 }
diff --git a/cde/programs/dtudcfonted/libfal/_fallcGeneric.c b/cde/programs/dtudcfonted/libfal/_fallcGeneric.c
index 10d811a0..17d9ed8b 100644
--- a/cde/programs/dtudcfonted/libfal/_fallcGeneric.c
+++ b/cde/programs/dtudcfonted/libfal/_fallcGeneric.c
@@ -687,7 +687,7 @@ int num;
     FontScope scope;
     ret = (ExtdSegment)Xmalloc(sizeof(ExtdSegmentRec));
     if(ret == NULL){
-        return (NULL);
+        return (0);
     }
     if(strchr(value[0],':')){
         ret->name = (char *)Xmalloc(strlen(value[0])+1);
@@ -696,7 +696,7 @@ int num;
         }
         strcpy(ret->name,value[0]);
         ptr = strchr(ret->name,':');
-        *ptr = NULL;
+        *ptr = 0;
         ptr++;
         if( !_fallcNCompareISOLatin1(ptr, "none", 4) ){
             ret->side =  XlcNONE ;
@@ -939,7 +939,7 @@ load_generic(lcd)
                     char tmp[128];
                     tmpb = (codeset->byteM)[M-1].byteinfo ;
                     /* default 0x00 - 0xff */
-                    sscanf(value[ii],"\\x%lx,\\x%lx",&start,&end);
+                    sscanf(value[ii], "\\x%lx,\\x%lx", (long unsigned *) &start, (long unsigned *) &end);
                     tmpb[ii].start = (unsigned char)start;
                     tmpb[ii].end  = (unsigned char)end;
                 }
diff --git a/cde/programs/dtudcfonted/libfal/_fallcUTF.c b/cde/programs/dtudcfonted/libfal/_fallcUTF.c
index 5d310ffb..21b50e3d 100644
--- a/cde/programs/dtudcfonted/libfal/_fallcUTF.c
+++ b/cde/programs/dtudcfonted/libfal/_fallcUTF.c
@@ -172,7 +172,7 @@ long	fb_default;
 
     for(i = 0; i < NRUNE; i++)
 	table[i] = -1;
-    while((rv = fscanf(fptr, "%lx", &value)) != EOF) {
+    while((rv = fscanf(fptr, "%lx", (long unsigned *) &value)) != EOF) {
 	if(rv != 0 && value >= 0) {
 	    table[value] = j++;
 	} else {
@@ -532,11 +532,11 @@ long	fb_default;
     register int	i = 0;
     int		j = 0;
     int		rv = 0;
-    long	value;
+    long 	value;
 
     for(i = 0; i < NRUNE; i++)
 	from_tbl[i] = -1;
-    while((rv = fscanf(fptr, "%lx", &value)) != EOF) {
+    while((rv = fscanf(fptr, "%lx", (long unsigned *) &value)) != EOF) {
 	if(rv != 0) {
 	    (*to_tbl)[j++] = value;
 	} else {
diff --git a/cde/programs/dtudcfonted/libfal/_falomGeneric.c b/cde/programs/dtudcfonted/libfal/_falomGeneric.c
index 151ec0de..fe536c7e 100644
--- a/cde/programs/dtudcfonted/libfal/_falomGeneric.c
+++ b/cde/programs/dtudcfonted/libfal/_falomGeneric.c
@@ -608,7 +608,7 @@ static char
 	return NULL;
     strcpy(pattern, font_name);
 
-    memset(fields, NULL, sizeof(char *) * 14);
+    memset(fields, 0, sizeof(char *) * 14);
     ptr = pattern;
     while(isspace(*ptr)) {
 	ptr++;
@@ -644,7 +644,7 @@ static char
     strcpy(str_point, "*");
     fields[POINT_SIZE_FIELD - 1] = str_point;
 
-    rotate_font[0] = NULL;
+    rotate_font[0] = '\0';
     for(field_num = 0 ; field_num < CHARSET_ENCODING_FIELD &&
 			fields[field_num] ; field_num++) {
 	sprintf(rotate_font, "%s-%s", rotate_font, fields[field_num]);
diff --git a/cde/programs/dtudcfonted/libfal/falfont.c b/cde/programs/dtudcfonted/libfal/falfont.c
index 476533c4..f605a55c 100644
--- a/cde/programs/dtudcfonted/libfal/falfont.c
+++ b/cde/programs/dtudcfonted/libfal/falfont.c
@@ -2369,7 +2369,7 @@ FalFontData	*fdata;
 	if ((fp = open_fonts_list()) == NULL) {
 	    return FAL_ERROR ;
 	}
-	memset( pname, NULL, sizeof( pname ) );
+	memset( pname, 0, sizeof( pname ) );
 
 	while ( fgets( buf, FAL_LINE_MAX, fp ) != ( char * ) NULL ) {
 	    int     eq;
@@ -2523,7 +2523,7 @@ FalFontData	*fdata;
 		fls->list = p_bak ;
 	    }
 
-	    memset( buf, NULL, sizeof(buf));
+	    memset( buf, 0, sizeof(buf));
 
 	    while( fgets( buf, FAL_LINE_MAX, fp ) != (char *)NULL ) {
 		int	tmp_num, eq ;
@@ -2535,7 +2535,7 @@ FalFontData	*fdata;
 
 		/* parse string of font file */
 		if( (ep = strchr( buf, ' ' )) == (char *)NULL ) continue ;
-		else	*ep = NULL ;
+		else	*ep = 0 ;
 		/* refuse font file (not gpf) */
 		if(
 		    ( strcmp( FILE_SUFFIX(buf), PCFSUFFIX ) != 0 ) &&
@@ -2563,7 +2563,7 @@ FalFontData	*fdata;
 		    case _FAL_TRY_NEXT :
 			if( (func & SRCHFNAME) || (func & FONTOFID) )	FreeString( fontFileName ) ;
 			fal_clear_data( &tmp_data );
-			memset( buf, NULL, sizeof(buf));
+			memset( buf, 0, sizeof(buf));
 			continue ;
 		    case 0:
 			if( (func & FONTOFID) )	FreeString( fontFileName ) ;
@@ -2577,7 +2577,7 @@ FalFontData	*fdata;
 		if( !(func & FONTOFID) && (codeset_num == 0) ){
 		    if( (func & SRCHFNAME) )	FreeString( fontFileName ) ;
 		    fal_clear_data( &tmp_data );
-		    memset( buf, NULL, sizeof(buf));
+		    memset( buf, 0, sizeof(buf));
 		    continue ;
 		}
 
@@ -2639,7 +2639,7 @@ FalFontData	*fdata;
 		    if( fal_read_fidinf( fid, &fontid_inf ) != FAL_ERROR )
 			fdata->cd_set = fontid_inf.cd_set ;
 		    else {
-			fdata->cd_set = NULL ;
+			fdata->cd_set = 0 ;
 			goto FalError ;
 		    }
 		    fclose(fp) ;
@@ -3091,7 +3091,7 @@ unsigned int	*glidx ;
 		/*
 		 *	get string of "CHARSET_REGISTRY"
 	 	 */
-		memset( &tmp_data, NULL, sizeof(FalFontData) ) ;
+		memset( &tmp_data, 0, sizeof(FalFontData) ) ;
 
 		if( cmpfid != fid ){
 		    if( falReadGpfProp( FAL_READ_FONTINFO, finf, FAL_FONT_PRM, &tmp_data ) ) {
@@ -3158,7 +3158,7 @@ unsigned int	*code ;
 		/*
 		 *	get string of "CHARSET_REGISTRY"
 	 	 */
-		memset( &tmp_data, NULL, sizeof(tmp_data) ) ;
+		memset( &tmp_data, 0, sizeof(tmp_data) ) ;
 		if( falReadGpfProp( FAL_READ_FONTINFO, finf, FAL_FONT_PRM, &tmp_data ) ) {
 			fal_clear_data( &tmp_data ) ;
 			return	FAL_ERROR;
diff --git a/cde/programs/dtudcfonted/libfal/include/os.h b/cde/programs/dtudcfonted/libfal/include/os.h
index 310d552c..9fc4e58f 100644
--- a/cde/programs/dtudcfonted/libfal/include/os.h
+++ b/cde/programs/dtudcfonted/libfal/include/os.h
@@ -98,7 +98,9 @@ pragma on(alloca);
 
 
 #if defined(__GNUC__) || defined(__uxp__)
+#if !defined(linux)
 #define alloca ___builtin_alloca
+#endif
 #define ALLOCATE_LOCAL(size) alloca((int)(size))
 #define DEALLOCATE_LOCAL(ptr)  /* as nothing */
 #else /* ! __GNUC__ ! __uxp__ */
diff --git a/cde/programs/dtudcfonted/libfal/syncx.c b/cde/programs/dtudcfonted/libfal/syncx.c
index 48400d3e..85bdbf60 100644
--- a/cde/programs/dtudcfonted/libfal/syncx.c
+++ b/cde/programs/dtudcfonted/libfal/syncx.c
@@ -44,10 +44,10 @@ void	_falmbDefaultDrawImageString()	{ return ; }
 /* Atom */ falInternAtom()		{ return 0 ; }
 int	_falwcGenericDrawString()	{ return 0 ; }
 char	**_falParseBaseFontNameList()	{ return NULL ; }
-/* XFontStruct * */ falLoadQueryFont()	{ return NULL ; }
+/* XFontStruct * */ falLoadQueryFont()	{ return 0 ; }
 falFreeFont()				{ return 0 ; }
 falFreeFontInfo()			{ return 0 ; }
-/* char	** */ falListFonts()		{ return NULL ; }
+/* char	** */ falListFonts()		{ return 0 ; }
 void	_falmbGenericDrawImageString()	{ return ; }
 void	_falwcDefaultDrawImageString()	{ return ; }
 int	_falmbDefaultDrawString()	{ return 0 ; }
@@ -56,7 +56,7 @@ void	falFreeStringList()		{ return ; }
 /* falrmStringToQuark()			{ return 0 ; } */
 /* falrmPermStringToQuark()		{ return 0 ; } */
 int	_falwcDefaultDrawString()	{ return 0 ; }
-/* char	* */ falGetAtomName()		{ return NULL ; }
+/* char	* */ falGetAtomName()		{ return 0 ; }
 int	_falwcGenericTextExtents()	{ return 0 ; }
 int	_falmbGenericTextExtents()	{ return 0 ; }
 void	_falwcGenericDrawImageString()	{ return ; }
@@ -67,7 +67,7 @@ int	_falwcDefaultTextExtents()	{ return 0 ; }
 int	_falmbDefaultTextEscapement()	{ return 0 ; }
 int	_falwcGenericTextEscapement()	{ return 0 ; }
 int	_falmbDefaultTextExtents()	{ return 0 ; }
-/* char	** */ falListFontsWithInfo()	{ return NULL ; }
+/* char	** */ falListFontsWithInfo()	{ return 0 ; }
 int	_falwcDefaultTextEscapement()	{ return 0 ; }
 /* Status */	_falwcGenericTextPerCharExtents(){ return 0 ; }
 /* _fallcMapOSLocaleName()		{ return 0 ; } */
diff --git a/cde/programs/dtudcfonted/libfuty/oakfuty.c b/cde/programs/dtudcfonted/libfuty/oakfuty.c
index 4a9be044..aa2ca718 100644
--- a/cde/programs/dtudcfonted/libfuty/oakfuty.c
+++ b/cde/programs/dtudcfonted/libfuty/oakfuty.c
@@ -627,12 +627,12 @@ int    bsize;
 		}
 	}
 
-	ptn[bsize - 1] = NULL;
+	ptn[bsize - 1] = 0;
 
 	for (i=0, skip=0; i<head->bdf_height; i++) {
 		if (skip) {
 			for(j=0; j<mwidth; j++) {
-				ptn[j] = NULL;
+				ptn[j] = 0;
 			}
 			ptn += mwidth;
 			continue;
@@ -645,7 +645,7 @@ int    bsize;
 		if (!strncmp(p, ENDCHAR, ENDCHARsz)) {
 			skip = 1;
 			for(j=0; j<mwidth; j++) {
-				ptn[j] = NULL;
+				ptn[j] = 0;
 			}
 			ptn += mwidth;
 			continue;
@@ -764,7 +764,7 @@ int	bsize;
 	for (i=0, skip=0; i<head->p_height; i++) {
 		if (skip) {
 			for (j=0; j<mwidth; j++) {
-				ptn[j] = NULL;
+				ptn[j] = 0;
 			}
 			ptn += mwidth;
 			continue;
@@ -778,7 +778,7 @@ int	bsize;
 		    (!strncmp(p, ENDDATA, ENDDATAsz))) {
 			skip = 1;
 			for (j=0; j<mwidth; j++) {
-				ptn[j] = NULL;
+				ptn[j] = 0;
 			}
 			ptn += mwidth;
 			continue;
@@ -808,7 +808,7 @@ int	width;
 	int	i, iend, len;
 	char   *p, str[3];
 
-	str[2] = NULL;
+	str[2] = 0;
 
 	SCAN_TO_NONSP(buf);
 
@@ -829,7 +829,7 @@ int	width;
 	}
 	if (iend%2) {
 		str[0] = *buf;
-		str[1] = NULL;
+		str[1] = 0;
 		*mem = (char)strtol(str, NULL, 16) << 4;
 	}
 }
@@ -857,11 +857,11 @@ int	width;
 
 	for (i=0, skip=0; i<iend; i++) {
 		if (skip) {
-			*mem++ = NULL;
+			*mem++ = 0;
 			continue;
 		}
-		for (j=0, ptn = NULL; j<8; j++) {
-			if ((*buf == '\n') || (*buf == NULL)) {
+		for (j=0, ptn = 0; j<8; j++) {
+			if ((*buf == '\n') || (*buf == 0)) {
 				skip = 1;
 				ptn <<= (8-j);
 				break;
@@ -1238,63 +1238,63 @@ char	*prog_name ;
 	case 0:
 		break;
 	case BDF_OPEN_IN :
-		USAGE2("%s : The input font file cannot be opened.\"%s\"¡¥\n", prog_name, (snf_in != NULL)? snf_in : "\0" );
+		USAGE2("%s : The input font file cannot be opened.\"%s\"\A1\A5\n", prog_name, (snf_in != NULL)? snf_in : "\0" );
 		rtn = OPEN_FAIL ;
 		break;
 
 	case BDF_OPEN_OUT :
-		USAGE2("%s : The output font file cannot be opened.\"%s\"¡¥\n", prog_name, (snf_out != NULL)? snf_out : "\0" );
+		USAGE2("%s : The output font file cannot be opened.\"%s\"\A1\A5\n", prog_name, (snf_out != NULL)? snf_out : "\0" );
 		rtn = OPEN_FAIL ;
 		break;
 
 
 	case BDF_READ :
-		USAGE2("%s : Information from the font file cannot be extracted.\"%s\"¡¥ \n", prog_name, (snf_in != NULL) ? snf_in : "\0" );
+		USAGE2("%s : Information from the font file cannot be extracted.\"%s\"\A1\A5 \n", prog_name, (snf_in != NULL) ? snf_in : "\0" );
 		rtn = READ_FAIL ;
 		break;
 
 	case BDF_WRITE :
-		USAGE2("%s : It is not possible to write to the font file.\"%s\"¡¥\n", prog_name, (snf_out != NULL) ? snf_out : "\0" );
+		USAGE2("%s : It is not possible to write to the font file.\"%s\"\A1\A5\n", prog_name, (snf_out != NULL) ? snf_out : "\0" );
 		rtn = DEVICE_FAIL ;
 		break;
 
 	case BDF_INVAL :
-		USAGE2("%s : The format of the font file is illegal.\"%s\"¡¥ \n", prog_name, (snf_in != NULL) ? snf_in : "\0" );
+		USAGE2("%s : The format of the font file is illegal.\"%s\"\A1\A5 \n", prog_name, (snf_in != NULL) ? snf_in : "\0" );
 		rtn = 1 ;
 		break;
 
 	case BDF_OPEN_HEAD :
-		USAGE2("%s : The BDF file cannot be opened.\"%s\"¡¥\n", prog_name, (bdf_in != NULL)? bdf_in : "\0" );
+		USAGE2("%s : The BDF file cannot be opened.\"%s\"\A1\A5\n", prog_name, (bdf_in != NULL)? bdf_in : "\0" );
 		rtn = OPEN_FAIL ;
 		break;
 
 	case BDF_READ_HEAD :
-		USAGE2("%s : Information of the BDF file cannot be extracted.\"%s\"¡¥ \n", prog_name, (bdf_in != NULL) ? bdf_in : "\0" );
+		USAGE2("%s : Information of the BDF file cannot be extracted.\"%s\"\A1\A5 \n", prog_name, (bdf_in != NULL) ? bdf_in : "\0" );
 		rtn = READ_FAIL ;
 		break;
 
 	case GPF_OPEN_IN :
-		USAGE2("%s : The input character pattern file cannot be opened.\"%s\"¡¥\n", prog_name, (gpf_in != NULL) ? gpf_in : "\0" );
+		USAGE2("%s : The input character pattern file cannot be opened.\"%s\"\A1\A5\n", prog_name, (gpf_in != NULL) ? gpf_in : "\0" );
 		rtn = OPEN_FAIL ;
 		break;
 
 	case GPF_OPEN_OUT :
-		USAGE2("%s : The output character pattern file cannot be opened.\"%s\"¡¥\n", prog_name, (gpf_out != NULL) ? gpf_out : "\0" );
+		USAGE2("%s : The output character pattern file cannot be opened.\"%s\"\A1\A5\n", prog_name, (gpf_out != NULL) ? gpf_out : "\0" );
 		rtn = OPEN_FAIL ;
 		break;
 
 	case GPF_READ :
-		USAGE2("%s : The character pattern file cannot be read.\"%s\"¡¥\n", prog_name, (gpf_in != NULL) ? gpf_in : "\0" );
+		USAGE2("%s : The character pattern file cannot be read.\"%s\"\A1\A5\n", prog_name, (gpf_in != NULL) ? gpf_in : "\0" );
 		rtn = READ_FAIL ;
 		break;
 
 	case GPF_WRITE :
-		USAGE2("%s : It is not possible to write to the character pattern file.\"%s\"¡¥\n", prog_name, (gpf_out != NULL) ? gpf_out : "\0" );
+		USAGE2("%s : It is not possible to write to the character pattern file.\"%s\"\A1\A5\n", prog_name, (gpf_out != NULL) ? gpf_out : "\0" );
 		rtn = DEVICE_FAIL ;
 		break;
 
 	case GPF_INVAL :
-		USAGE2("%s : The format of the character pattern file is illegal.\"%s\"¡¥\n", prog_name, (gpf_in != NULL) ? gpf_in : "\0" );
+		USAGE2("%s : The format of the character pattern file is illegal.\"%s\"\A1\A5\n", prog_name, (gpf_in != NULL) ? gpf_in : "\0" );
 		rtn = 1 ;
 		break;
 
@@ -1566,8 +1566,8 @@ char	*com;
 	errno = 0;
 	if ( chown (fname, owner, group) != 0) {
 		USAGE2("%s : Failed in setteing of the owner and the group of the following files. \tPlease change to the file of the owner and the group of following ID \tafter the inquiry the system manager.\"%s\"\n", com, fname );
-		USAGE1("\t\t Owner ID ¡§%d\n", (int)owner);
-		USAGE1("\t\t Group ID ¡§%d\n", (int)group);
+		USAGE1("\t\t Owner ID \A1\A7%d\n", (int)owner);
+		USAGE1("\t\t Group ID \A1\A7%d\n", (int)group);
 		return( 1 );
 	}
 	return( 0 );
@@ -1643,7 +1643,7 @@ char	*cmd;
 
 	for ( ; end = ( char * )strchr( path, ':' ); path = end + 1 ) {
 		chr_sv = *end;
-		*end = NULL;
+		*end = 0;
 		AllocString( cmd_path, path, NULL ) ;
 		*end = chr_sv;
 
diff --git a/cde/programs/dtudcfonted/util.c b/cde/programs/dtudcfonted/util.c
index f4234d0c..31fbb00b 100644
--- a/cde/programs/dtudcfonted/util.c
+++ b/cde/programs/dtudcfonted/util.c
@@ -376,7 +376,7 @@ int		buttons_cnt;
 static Atom
 DeleteWindowAtom()
 {
-    static Atom delatom = NULL;
+    static Atom delatom = 0;
     if (! delatom){
 	delatom = XInternAtom(XtDisplayOfObject(toplevel),
 		"WM_DELETE_WINDOW", False);
@@ -532,7 +532,7 @@ int offset;
     XmNleftAttachment, XmATTACH_WIDGET,
     XmNleftWidget, ref,
     XmNleftOffset, offset,
-    0);
+    NULL);
 }
 
 void
@@ -543,7 +543,7 @@ int offset;
     XtVaSetValues( w,
     XmNleftAttachment, XmATTACH_FORM,
     XmNleftOffset, offset,
-    0);
+    NULL);
 }
 
 void
@@ -556,7 +556,7 @@ int offset;
     XmNtopAttachment, XmATTACH_WIDGET,
     XmNtopWidget, ref,
     XmNtopOffset, offset,
-    0);
+    NULL);
 }
 
 void
@@ -567,7 +567,7 @@ int offset;
     XtVaSetValues( w,
     XmNtopAttachment, XmATTACH_FORM,
     XmNtopOffset, offset,
-    0);
+    NULL);
 }
 
 void
@@ -580,7 +580,7 @@ int offset;
     XmNrightAttachment, XmATTACH_WIDGET,
     XmNrightWidget, ref,
     XmNrightOffset, offset,
-    0);
+    NULL);
 }
 
 void
@@ -591,7 +591,7 @@ int offset;
     XtVaSetValues( w,
     XmNrightAttachment, XmATTACH_FORM,
     XmNrightOffset, offset,
-    0);
+    NULL);
 }
 
 void
@@ -602,7 +602,7 @@ int offset;
     XtVaSetValues( w,
     XmNbottomAttachment, XmATTACH_FORM,
     XmNbottomOffset, offset,
-    0);
+    NULL);
 }
 #endif	/* not USE_MACRO */
 
@@ -641,7 +641,7 @@ String str;
 {
     XmString cs;
     cs = XmStringCreateLocalized(str);
-    XtVaSetValues( w, XmNlabelString, cs, 0);
+    XtVaSetValues( w, XmNlabelString, cs, NULL);
     XmStringFree( cs );
 }
 
@@ -652,7 +652,7 @@ String str;
 {
     XmString cs;
     cs = XmStringCreateLocalized(str);
-    XtVaSetValues( w, XmNlabelString, cs, 0);
+    XtVaSetValues( w, XmNlabelString, cs, NULL);
     XmStringFree( cs );
 	XmUpdateDisplay(w);
 }
@@ -680,7 +680,7 @@ char *str;
 
 	if (! str || ! *str) 	return;
 		
-	for( p=str, s=buf, lw=0; *p != NULL;  ){
+	for( p=str, s=buf, lw=0; *p != 0;  ){
 
 		if ( (*p == '\n') || (charcnt <= lw) ){
 			*s = '\n';	/* new line */
@@ -692,7 +692,7 @@ char *str;
 
                 lw += wcwidth( wc );
 	}
-	*s = NULL;
+	*s = 0;
 
 	cs = XmStringCreateLocalized(buf);
 	XtVaSetValues(st, XmNlabelString, (XtArgVal)cs, (String)0 );
@@ -808,13 +808,13 @@ XtPointer clientdata;
     Dimension bbw, mw, sw, cw;
 
 
-    XtVaGetValues(w, XmNchildren, &child, XmNnumChildren, &num, 0);
+    XtVaGetValues(w, XmNchildren, &child, XmNnumChildren, &num, NULL);
     XtVaGetValues(XtParent(w),
 	XmNwidth, &bbw,
 	XmNmarginWidth, &mw,
 	XmNshadowThickness, &sw,
-	0);
-    XtVaGetValues(child[0], XmNwidth, &cw, 0);
+	NULL);
+    XtVaGetValues(child[0], XmNwidth, &cw, NULL);
     XtVaSetValues(w, XmNwidth, ((int)bbw-2*((int)mw+(int)sw)), NULL);
     XtVaSetValues(child[0], XmNx,
     			((((int)bbw-2*((int)mw+(int)sw))-(int)cw)/2), NULL);