flbng

commit 54a8723197d4b841c1b3e50a56aa0610f45caec3
parent 1e5d7837b49f7d665b25614ef262b7a963107771
Author: Anton Konyahin <me@konyahin.xyz>
Date:   Mon, 11 Mar 2024 20:07:22 +0300

improved error's handling

Diffstat:
M
main.c
 | 
7
++++---
M
test.sh
 | 
2
++

2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/main.c b/main.c
@@ -28,8 +28,6 @@ restoreTerminal() {
     puts("\e[?25h");
     if (tcsetattr(STDOUT_FILENO, TCSAFLUSH, &orig_term) < 0)
         err(1, "can't restore terminal state");
-    // clear screen
-    puts("\x1b[2J");
 }
 
 void
@@ -122,7 +120,7 @@ getInput(struct screen_size s) {
         err(1, "can't read line from stdin");
 
     if (text.lines == 0)
-        err(1, "empty input");
+        errx(1, "empty input");
 
     return text;
 }
@@ -161,5 +159,8 @@ main(void) {
         free(text.data[i]);
     free(text.data);
 
+    // clear screen
+    puts("\x1b[2J");
+
     return 0;
 }
diff --git a/test.sh b/test.sh
@@ -29,7 +29,9 @@ chars | ./flbng
 Some errors check. Should be:
     flbng: too much lines for this terminal, should be less than X
     flbng: too long line for this terminal, should be shorter than X
+    flbng: empty input
 EOF
 
 echo "0\n$(lines)" | ./flbng
 echo "*$(chars)" | ./flbng
+printf "" | ./flbng