cleanup easylogo

- make the Makefile not suck
- include proper headers for prototypes
- fix obvious broken handling of strchr() when handling '.' in filenames

Signed-Off-By: Mike Frysinger <vapier@gentoo.org>

tools/easylogo/Makefile

@@ -1,2 +1,8 @@
-all:	easylogo.c
-	gcc easylogo.c -o easylogo
+CFLAGS += -Wall
+
+all: easylogo
+
+clean:
+	rm -f easylogo *.o
+
+.PHONY: all clean

tools/easylogo/easylogo.c

@@ -8,6 +8,8 @@
 */
 
 #include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 
 #pragma pack(1)
 
@@ -41,7 +43,7 @@ typedef struct {
 } yuyv_t ;
 
 typedef struct {
-	unsigned char	*data,
+	void				*data,
 					*palette ;
 	int				width,
 					height,
@@ -352,9 +354,10 @@ int main (int argc, char *argv[])
 	    strcpy (varname, 	argv[2]);
 	else
 	{
-	    int pos = strchr(inputfile, '.');
+	    char *dot = strchr(inputfile, '.');
+	    int pos = dot - inputfile;
 
-	    if (pos >= 0)
+	    if (dot)
 	    {
 		strncpy (varname, inputfile, pos);
 		varname[pos] = 0 ;
@@ -365,13 +368,15 @@ int main (int argc, char *argv[])
 	    strcpy (outputfile, argv[3]);
 	else
 	{
-	    int pos = strchr (varname, '.');
+	    char *dot = strchr (varname, '.');
+	    int pos = dot - varname;
 
-	    if (pos > 0)
+	    if (dot)
 	    {
 		char app[DEF_FILELEN] ;
 
 		strncpy(app, varname, pos);
+		app[pos] = 0;
 		sprintf(outputfile, "%s.h", app);
 	    }
 	}