gh-167: Make STRIP reject empty remove.

python-processing-unit · python-processing-unit · commit 1e2aa642b7b6 · 2026-05-08T17:36:21.000-04:00
diff --git a/src/builtins.c b/src/builtins.c
@@ -5739,7 +5739,7 @@ static Value builtin_strip(Interpreter* interp, Value* args, int argc, Expr** ar
     size_t haystack_len = strlen(haystack);
 
     if (needle_len == 0) {
-        return value_str(haystack);
+        RUNTIME_ERROR(interp, "STRIP expects non-empty remove substring", line, col);
     }
 
     // Count non-overlapping occurrences of needle

Original file line number	Diff line number	Diff line change
`@@ -5739,7 +5739,7 @@ static Value builtin_strip(Interpreter* interp, Value* args, int argc, Expr** ar`
`5739`	`5739`	`size_t haystack_len = strlen(haystack);`
`5740`	`5740`
`5741`	`5741`	`if (needle_len == 0) {`
`5742`		`- return value_str(haystack);`
	`5742`	`+ RUNTIME_ERROR(interp, "STRIP expects non-empty remove substring", line, col);`
`5743`	`5743`	`}`
`5744`	`5744`
`5745`	`5745`	`// Count non-overlapping occurrences of needle`