X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Fserver%2Ftelnet_server.c;fp=src%2Fserver%2Ftelnet_server.c;h=97af3d97f1a7c5172998c95b6bf5ada318a105b4;hp=b01046d9adfe18084422dc069ae15defcaa3328f;hb=391782318723915bd259eadf9469251c13c8fa9c;hpb=08ee7bb982b16742f52cfdc6c649d82ffa2eb177

diff --git a/src/server/telnet_server.c b/src/server/telnet_server.c
index b01046d9ad..97af3d97f1 100644
--- a/src/server/telnet_server.c
+++ b/src/server/telnet_server.c
@@ -199,7 +199,7 @@ static void telnet_save_history(struct telnet_connection *t_con)
 		i = t_con->current_history + 1;
 		i %= TELNET_LINE_HISTORY_SIZE;
 
-		while (t_con->history[i] == NULL && num > 0) {
+		while (!t_con->history[i] && num > 0) {
 			i++;
 			i %= TELNET_LINE_HISTORY_SIZE;
 			num--;
@@ -640,7 +640,7 @@ static int telnet_input(struct connection *connection)
 							/* save only non-blank not repeating lines in the history */
 							char *prev_line = t_con->history[(t_con->current_history > 0) ?
 									t_con->current_history - 1 : TELNET_LINE_HISTORY_SIZE-1];
-							if (*t_con->line && (prev_line == NULL ||
+							if (*t_con->line && (!prev_line ||
 									strcmp(t_con->line, prev_line))) {
 								/* if the history slot is already taken, free it */
 								free(t_con->history[t_con->next_history]);