Add readline support in tftp client; some additional minor cleanups.

3 files changed, 26 insertions, 19 deletions

diff --git a/tftp/main.c b/tftp/main.c
index a5fcef8..9b3ad39 100644
--- a/tftp/main.c
+++ b/tftp/main.c
@@ -69,12 +69,12 @@ static const char *rcsid UNUSED =
 #include <string.h>
 #include <unistd.h>
 #include <fcntl.h>
+#ifdef WITH_READLINE
+#include <readline/readline.h>
+#include <readline/history.h>
+#endif
 
 #include "extern.h"
-#include "../config.h"
-#ifdef HAVE_STRINGS_H
-#include <strings.h>
-#endif
 
 #define	TIMEOUT		5		/* secs between rexmt's */
 #define	LBUFLEN		200		/* size of input buffer */
@@ -86,10 +86,14 @@ int	trace;
 int	verbose;
 int	connected;
 char	mode[32];
+#ifdef WITH_READLINE
+char   *line = NULL;
+#else
 char	line[LBUFLEN];
+#endif
 int	margc;
 char	*margv[20];
-const char *prompt = "tftp";
+const char *prompt = "tftp> ";
 sigjmp_buf	toplevel;
 void	intr(int);
 struct	servent *sp;
@@ -205,6 +209,10 @@ main(int argc, char *argv[])
 	if (sigsetjmp(toplevel,1) != 0)
 		(void)putchar('\n');
 
+#ifdef WITH_READLINE
+	using_history();
+#endif
+
 	command();
 
 	return 0;		/* Never reached */
@@ -600,7 +608,14 @@ command(void)
 	struct cmd *c;
 
 	for (;;) {
-		printf("%s> ", prompt);
+#ifdef WITH_READLINE
+	        if ( line )
+		     free(line);
+	        line = readline(prompt);
+		if ( !line )
+		     exit(0);	/* EOF */
+#else
+	        fputs(prompt, stdout);
 		if (fgets(line, LBUFLEN, stdin) == 0) {
 			if (feof(stdin)) {
 				exit(0);
@@ -608,11 +623,16 @@ command(void)
 				continue;
 			}
 		}
+#endif
 		if ((line[0] == 0) || (line[0] == '\n'))
 			continue;
+#ifdef WITH_READLINE
+		add_history(line);
+#endif
 		makeargv();
 		if (margc == 0)
 			continue;
+
 		c = getcmd(margv[0]);
 		if (c == (struct cmd *)-1) {
 			printf("?Ambiguous command\n");
diff --git a/tftp/tftp.c b/tftp/tftp.c
index eb1a8a5..89297d2 100644
--- a/tftp/tftp.c
+++ b/tftp/tftp.c
@@ -65,19 +65,8 @@ static const char *rcsid UNUSED =
 #include <string.h>
 #include <unistd.h>
 
-#include "../config.h"
 #include "extern.h"
 
-#ifdef HAVE_STRINGS_H
-#include <strings.h>
-#endif
-
-#ifndef HAVE_SIGSETJMP
-#define sigsetjmp(x,y)  setjmp(x)
-#define siglongjmp(x,y) longjmp(x,y)
-#define sigjmp_buf jmp_buf
-#endif
-
 extern  struct sockaddr_in peeraddr;	/* filled in by main */
 extern  int     f;			/* the opened socket */
 extern  int     trace;
diff --git a/tftp/tftpsubs.c b/tftp/tftpsubs.c
index 8b739cf..c358ccd 100644
--- a/tftp/tftpsubs.c
+++ b/tftp/tftpsubs.c
@@ -66,8 +66,6 @@ static const char *rcsid UNUSED =
 #include <string.h>
 #include <unistd.h>
 
-#include "../config.h"
-
 #define PKTSIZE MAX_SEGSIZE+4       /* should be moved to tftp.h */
 
 int segsize = SEGSIZE;		/* Default segsize */