move usage back to main.c

Author: renbaoke

h3c

@@ -60,12 +60,3 @@ void exit_handler(int arg)
 	h3c_clean();
 	exit(0);
 }
-
-void usage(FILE *stream)
-{
-	fprintf(stream, "Usage: h3c [OPTION]...\n");
-	fprintf(stream, "  -i <interface>\tspecify interface, required\n");
-	fprintf(stream, "  -u <username>\t\tspecify username, required\n");
-	fprintf(stream, "  -p <password>\t\tspecify password, optional\n");
-	fprintf(stream, "  -h\t\t\tshow this message\n");
-}

handler.c

@@ -21,6 +21,9 @@
  * 
  */
 
+#ifndef HANDLER_H_
+#define HANDLER_H_
+
 #include <stdio.h>
 
 int success_handler();
@@ -30,4 +33,4 @@ int unkown_eap_handler();
 int got_response_handler();
 void exit_handler(int arg);
 
-void usage(FILE *stream);
+#endif /* HANDER_H_ */

handler.h

@@ -25,7 +25,7 @@
 #include "h3c.h"
 #include "handler.h"
 
-#define MALLOC_SIZE_FOR_PASSWORD 32
+void usage(FILE *stream);
 
 int main(int argc, char **argv)
 {
@@ -89,7 +89,7 @@ int main(int argc, char **argv)
 
 	if (h3c_init(interface) != SUCCESS)
 	{
-		printf("Failed to initialize: %s\n",strerror(errno));
+		fprintf(stderr, "Failed to initialize: %s\n",strerror(errno));
 		exit(-1);
 	}
 
@@ -98,7 +98,7 @@ int main(int argc, char **argv)
 
 	if (h3c_start() != SUCCESS)
 	{
-		printf("Failed to start: %s\n", strerror(errno));
+		fprintf(stderr, "Failed to start: %s\n", strerror(errno));
 		exit(-1);
 	}
 
@@ -108,10 +108,19 @@ int main(int argc, char **argv)
 				unkown_eapol_handler, unkown_eap_handler, \
 				got_response_handler) != SUCCESS)
 		{
-			printf("Failed to response: %s\n", strerror(errno));
+			fprintf(stderr, "Failed to response: %s\n", strerror(errno));
 			exit(-1);
 		}
 	}
 
 	return 0;
 }
+
+void usage(FILE *stream)
+{
+	fprintf(stream, "Usage: h3c [OPTION]...\n");
+	fprintf(stream, "  -i <interface>\tspecify interface, required\n");
+	fprintf(stream, "  -u <username>\t\tspecify username, required\n");
+	fprintf(stream, "  -p <password>\t\tspecify password, optional\n");
+	fprintf(stream, "  -h\t\t\tshow this message\n");
+}