From c2e628b33e88a615935c70cc1f58080ceca0deed Mon Sep 17 00:00:00 2001
From: Alexander Popov <iiiypuk@fastmail.fm>
Date: Sat, 29 Jul 2023 23:20:53 +0300
Subject: [PATCH] replace printf as puts

---
 ~/C/libserialport/listen.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/~/C/libserialport/listen.c b/~/C/libserialport/listen.c
index 34090f5..ced4d2c 100644
--- a/~/C/libserialport/listen.c
+++ b/~/C/libserialport/listen.c
@@ -32,7 +32,7 @@ int main(int argc, char **argv) {
   check(sp_set_parity(serial_port, SP_PARITY_NONE));
   check(sp_set_stopbits(serial_port, 1));
   check(sp_set_flowcontrol(serial_port, SP_FLOWCONTROL_NONE));
-  puts("Connected.\n");
+  puts("Connected.");
 
 
   while (true) {
@@ -42,10 +42,10 @@ int main(int argc, char **argv) {
       result = check(sp_blocking_read(serial_port, buffer + pos, 1, timeout));
 
       if (result == -1) {
-        printf("Error reading from serial port\n");
+        puts("Error reading from serial port");
         break;
       } else if (result == 0) {
-        printf("No more data\n");
+        puts("No more data");
         break;
       } else {
         if (buffer[pos] == '\n') {
@@ -66,12 +66,11 @@ int main(int argc, char **argv) {
 
 /* Helper function for error handling. */
 int check(enum sp_return result) {
-  /* For this example we'll just exit on any error by calling abort(). */
   char *error_message;
 
   switch (result) {
   case SP_ERR_ARG:
-    printf("Error: Invalid argument.\n");
+    puts("Error: Invalid argument.");
     abort();
   case SP_ERR_FAIL:
     error_message = sp_last_error_message();
@@ -79,10 +78,10 @@ int check(enum sp_return result) {
     sp_free_error_message(error_message);
     abort();
   case SP_ERR_SUPP:
-    printf("Error: Not supported.\n");
+    puts("Error: Not supported.");
     abort();
   case SP_ERR_MEM:
-    printf("Error: Couldn't allocate memory.\n");
+    puts("Error: Couldn't allocate memory.");
     abort();
   case SP_OK:
   default: