Check if terminal_width is less than offset and return 1 (see #244) (#245)

selfup · web-flow · commit 6220cae6445d · 2025-06-08T21:35:42.000+02:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,7 @@
 # unreleased 
 
+- Fix memory allocation bug when terminal width is less than 10, see #244 (@selfup)
+
 ## Features
 
 ## Bugfixes
diff --git a/src/main.rs b/src/main.rs
@@ -362,7 +362,7 @@ fn run() -> Result<()> {
         } else {
             ((8 / group_size) * (base_digits * group_size + 1)) + 2
         };
-        if (terminal_width - offset) / col_width < 1 {
+        if (terminal_width.saturating_sub(offset)) / col_width < 1 {
             1
         } else {
             (terminal_width - offset) / col_width

Original file line number	Diff line number	Diff line change
`@@ -362,7 +362,7 @@ fn run() -> Result<()> {`
`362`	`362`	`} else {`
`363`	`363`	`((8 / group_size) * (base_digits * group_size + 1)) + 2`
`364`	`364`	`};`
`365`		`- if (terminal_width - offset) / col_width < 1 {`
	`365`	`+ if (terminal_width.saturating_sub(offset)) / col_width < 1 {`
`366`	`366`	`1`
`367`	`367`	`} else {`
`368`	`368`	`(terminal_width - offset) / col_width`