fix: change malloc of filename with FILENAME_MAX size

tools/gfx4snes/src/images.c

@@ -47,7 +47,7 @@ void image_load_png(const char *filename, t_image *img, bool isquiet)
 	char *outputname;
 
 	// prepare file extension
-	outputname=(char *) malloc(strlen(filename)+4);						// 4 to be sure to have enough for extension
+	outputname=(char *) malloc(FILENAME_MAX); //malloc(strlen(filename)+4);						// 4 to be sure to have enough for extension
 	if(outputname==NULL)
 	{
 		fatal("can't allocate memory for png filename");
@@ -155,7 +155,7 @@ void image_load_bmp(const char *filename, t_image *img, bool isquiet)
 	unsigned int bmperror;													// error management
 
 	// prepare file extension
-	outputname=(char *) malloc(strlen(filename)+4);							// 4 to be sure to have enough for extension
+	outputname=(char *) malloc(FILENAME_MAX); //malloc(strlen(filename)+4);							// 4 to be sure to have enough for extension
 	if(outputname==NULL)
 	{
 		fatal("can't allocate memory for bmp filename");

tools/gfx4snes/src/maps.c

@@ -310,7 +310,7 @@ void map_save (const char *filename, unsigned short *map,int snesmode, int nbtil
 	int i;
 
 	// remove extension and put the ".map/mp7" to filename
-	outputname=(char *) malloc(strlen(filename)+4);						// 4 to be sure to have enough for extension
+	outputname=(char *) malloc(FILENAME_MAX); //malloc(strlen(filename)+4);						// 4 to be sure to have enough for extension
 	if(outputname==NULL)
 	{
 		fatal("can't allocate memory for map filename");

tools/gfx4snes/src/palettes.c

@@ -370,7 +370,7 @@ void palette_save (const char *filename, int *palette,int nbcolors, bool isquiet
 	int i;
 
 	// remove extension and put the ".pal" to filename
-	outputname=(char *) malloc(strlen(filename)+4);						// 4 to be sure to have enough for extension
+	outputname=(char *) malloc(FILENAME_MAX); //malloc(strlen(filename)+4);						// 4 to be sure to have enough for extension
 	if(outputname==NULL)
 	{
 		fatal("can't allocate memory for palette filename");

tools/gfx4snes/src/tiles.c

@@ -129,7 +129,7 @@ void tiles_save (const char *filename, unsigned char *tiles,int nbtiles, int nbc
     int bufsize,bufsizeout;
 
 	// remove extension and put the ".map/mp7" to filename
-	outputname=(char *) malloc(strlen(filename)+4);						// 4 to be sure to have enough for extension
+	outputname=(char *) malloc(FILENAME_MAX); //malloc(strlen(filename)+4);						// 4 to be sure to have enough for extension
 	if(outputname==NULL)
 	{
 		fatal("can't allocate memory for tiles filename");
@@ -264,7 +264,7 @@ void tiles_savepacked (const char *filename, unsigned char *tiles,int tilesnumbe
 	int i;
 
 	// remove extension and put the ".map/mp7" to filename
-	outputname=(char *) malloc(strlen(filename)+4);						// 4 to be sure to have enough for extension
+	outputname=(char *) malloc(FILENAME_MAX); //malloc(strlen(filename)+4);						// 4 to be sure to have enough for extension
 	if(outputname==NULL)
 	{
 		fatal("can't allocate memory for packed tiles filename");